modified: ../../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java

modified: ../../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java Threadsteuerung veranendert, so dass möglichst veile Threads gleichzeitig laufen. Müsste noch verbessert werden können.
modified: src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
2019-11-18 14:37:59 +01:00 · 2019-10-24 17:47:51 +02:00 · 2019-10-22 16:44:38 +02:00 · 2019-10-12 11:32:56 +02:00 · 2019-09-19 13:57:49 +02:00 · 2019-09-19 13:00:35 +02:00
129 changed files with 25713 additions and 24017 deletions
--- a/PlugInBau.txt
+++ b/PlugInBau.txt
@@ -0,0 +1,22 @@
+Repositories: Branches: JavaCompilerCore: simplyRes
+                        JavaCompilerPlugin: copy_libs
+JavaCompilerCore > mvn install -Dskip.test=true
+
+[INFO] Installing /Users/pl/workspace_oxygen/JavaCompilerCore/target/JavaTXcompiler-0.2.jar to /Users/pl/.m2/repository/de/dhbwstuttgart/JavaTXcompiler/0.2/JavaTXcompiler-0.2.jar
+[INFO] Installing /Users/pl/workspace_oxygen/JavaCompilerCore/pom.xml to /Users/pl/.m2/repository/de/dhbwstuttgart/JavaTXcompiler/0.2/JavaTXcompiler-0.2.pom
+[INFO] Installing /Users/pl/workspace_oxygen/JavaCompilerCore/target/JavaTXcompiler-0.2-jar-with-dependencies.jar to /Users/pl/.m2/repository/de/dhbwstuttgart/JavaTXcompiler/0.2/JavaTXcompiler-0.2-jar-with-dependencies.jar
+[INFO] ------------------------------------------------------------------------
+[INFO] BUILD SUCCESS
+[INFO] ------------------------------------------------------------------------
+[INFO] Total time:  23.279 s
+[INFO] Finished at: 2019-09-17T09:31:30+02:00
+[INFO] -------------------------------------
+
+JavaCompilerCore > cd target
+
+JavaCompilerCore/target >  cp JavaTXcompiler-0.2.jar ../../Plugin_JCC/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/lib/JavaTXcompiler.jar
+
+Im Eclipse: Plugin_JCC/JavaCompilerPlugin>  mvn install
+
+Plugin_JCC/JavaCompilerPlugin/releng/JavaCompilerPlugin.Update/target >  cp JavaCompilerPlugin.Update-0.1.0-SNAPSHOT.zip ~/webdav/public_html/javatx/javatx_XXXXXX.zip
+
--- a/doc/OldStuff/ClassDiagram.ucd
+++ b/doc/OldStuff/ClassDiagram.ucd
--- a/doc/OldStuff/JavaDoc/package-list
+++ b/doc/OldStuff/JavaDoc/package-list
@@ -1 +1 @@
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+
--- a/doc/OldStuff/JavaDoc/stylesheet.css
+++ b/doc/OldStuff/JavaDoc/stylesheet.css
@@ -1,29 +1,29 @@
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-.NavBarCell2    { font-family: Arial, Helvetica, sans-serif; background-color:#FFFFFF;}
-.NavBarCell3    { font-family: Arial, Helvetica, sans-serif; background-color:#FFFFFF;}
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+/* Javadoc style sheet */
+
+/* Define colors, fonts and other style attributes here to override the defaults */
+
+/* Page background color */
+body { background-color: #FFFFFF }
+
+/* Table colors */
+.TableHeadingColor     { background: #CCCCFF } /* Dark mauve */
+.TableSubHeadingColor  { background: #EEEEFF } /* Light mauve */
+.TableRowColor         { background: #FFFFFF } /* White */
+
+/* Font used in left-hand frame lists */
+.FrameTitleFont   { font-size: 10pts; font-family: Helvetica, Arial, san-serif }
+.FrameHeadingFont { font-size: 10pts; font-family: Helvetica, Arial, san-serif }
+.FrameItemFont    { font-size: 10pts; font-family: Helvetica, Arial, san-serif }
+
+/* Example of smaller, sans-serif font in frames */
+/* .FrameItemFont  { font-size: 10pt; font-family: Helvetica, Arial, sans-serif } */
+
+/* Navigation bar fonts and colors */
+.NavBarCell1    { background-color:#EEEEFF;}/* Light mauve */
+.NavBarCell1Rev { background-color:#00008B;}/* Dark Blue */
+.NavBarFont1    { font-family: Arial, Helvetica, sans-serif; color:#000000;}
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+.NavBarCell3    { font-family: Arial, Helvetica, sans-serif; background-color:#FFFFFF;}
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+++ b/doc/OldStuff/Operator.ucd
@@ -1,220 +1,220 @@
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+      <children xsi:type="editmodel:AssociationEndEditModel" location="201,67" anchorKind="FixedAtEdge"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="2223,234" size="84,29" targetConnections="//@children.12/@sourceConnections.0" id="kirschmshsCompiler801" runTimeClassModel="">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" connectionRouterKind="Manual" source="//@children.14" target="//@children.0/@sourceConnections.0" targetEnd="//@children.14/@sourceConnections.0/@children.1" sourceEnd="//@children.14/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="42,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="940,191" size="545,139" targetConnections="//@children.6/@sourceConnections.0" id="kirschmshsCompiler711" runTimeClassModel="kirschmshsCompiler719;kirschmshsCompiler729;kirschmshsCompiler737;kirschmshsCompiler747;kirschmshsCompiler712">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="522,90">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler712"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler719"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler729"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler747"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler737"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" connectionRouterKind="Manual" source="//@children.15" target="//@children.0/@sourceConnections.0" targetEnd="//@children.15/@sourceConnections.0/@children.1" sourceEnd="//@children.15/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="272,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="1023,50" size="403,67" targetConnections="//@children.0/@sourceConnections.0" id="kirschmshsCompiler635" runTimeClassModel="kirschmshsCompiler636">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="380,18">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler636"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="1791,561" size="403,85" id="kirschmshsCompiler958" runTimeClassModel="kirschmshsCompiler959;kirschmshsCompiler966">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="380,36">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler959"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler966"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" connectionRouterKind="Manual" source="//@children.17" target="//@children.11/@sourceConnections.0" targetEnd="//@children.17/@sourceConnections.0/@children.1" sourceEnd="//@children.17/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="201,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <classDiagramPreferences xsi:type="editmodel:UMLClassDiagramPreference" attributeSorter="Natural" methodSorter="Natural" innerClassSorter="Natural" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true" showInterfaceStereotype="true" showClassStereotype="true" showPackageStereotype="true"/>
+</editmodel:ClassDiagramEditModel>
--- a/doc/OldStuff/Rest.ucd
+++ b/doc/OldStuff/Rest.ucd
--- a/doc/OldStuff/Rest/ClassDiagram.svg
+++ b/doc/OldStuff/Rest/ClassDiagram.svg
--- a/doc/OldStuff/Rest/Operator.svg
+++ b/doc/OldStuff/Rest/Operator.svg
@@ -1,458 +1,458 @@
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+      <text x="1154" y="158" style="fill:black; stroke:none;" xml:space="preserve">LogOp</text>
+      <rect x="981" y="3" width="400" style="fill:rgb(191,191,191); stroke:none;" height="64" />
+      <rect x="980" y="2" width="400" style="fill:rgb(127,127,127); stroke:none;" height="64" />
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+      <rect x="978" y="0" width="399" style="fill:none; stroke:black;" height="63" />
+      <line x1="978" x2="1377" y1="26" style="fill:none; stroke:black;" y2="26" />
+      <line x1="978" x2="1377" y1="36" style="fill:none; stroke:black;" y2="36" />
+      <rect x="988" y="41" width="380" style="stroke:none; font-weight:normal;" height="16" />
+      <image x="988" y="41" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAAiklEQVR42rVRgQ2A
+IAwDwiF+4k7hE/WTnbJP3CdYoyEoqJjoQsiAdrSbjTGap7CTjcMOcy3ofu6xtxIQ
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+QmCC" style="fill:black; stroke:black; font-weight:normal;" height="16" preserveAspectRatio="none" />
+      <text x="1007" y="54" style="fill:black; stroke:none; font-weight:normal;" xml:space="preserve"> codegen(in ClassFile, in CodeAttribute, in Expr, in boolean, in Menge): void</text>
+      <image x="1140" y="5" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAABBElEQVR42q1SYZnD
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+9G/x4Vr/gfAAzgaEraDyPpwAAAAASUVORK5CYII=" style="fill:black; stroke:black;" height="16" preserveAspectRatio="none" />
+      <text x="1159" y="17" style="fill:black; stroke:none;" xml:space="preserve">Operator</text>
+      <rect x="1749" y="514" width="400" style="fill:rgb(191,191,191); stroke:none;" height="82" />
+      <rect x="1748" y="513" width="400" style="fill:rgb(127,127,127); stroke:none;" height="82" />
+      <rect x="1747" y="512" width="400" style="fill:rgb(63,63,63); stroke:none;" height="82" />
+      <rect x="1746" y="511" width="400" style="stroke:none;" height="82" />
+      <rect x="1746" y="511" width="399" style="fill:none; stroke:black;" height="81" />
+      <line x1="1746" x2="2145" y1="537" style="fill:none; stroke:black;" y2="537" />
+      <line x1="1746" x2="2145" y1="547" style="fill:none; stroke:black;" y2="547" />
+      <rect x="1756" y="552" width="380" style="stroke:none; font-weight:normal;" height="16" />
+      <image x="1756" y="552" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAAYUlEQVR42mP8//8/
+AymAiYFEMAg1sGAKOTQ4wNkHGg4Q0ABUneCggOAmOBxYcACnk9BUg0QcFIBCgyeU
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+AABJRU5ErkJggg==" style="fill:black; stroke:black; font-weight:normal;" height="16" preserveAspectRatio="none" />
+      <text x="1775" y="565" style="fill:black; stroke:none; font-weight:normal;" xml:space="preserve"> codegen(in ClassFile, in CodeAttribute, in Expr, in boolean, in Menge): void</text>
+      <rect x="1756" y="570" width="380" style="stroke:none; font-weight:normal;" height="16" />
+      <image x="1756" y="570" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAAYUlEQVR42mP8//8/
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+AABJRU5ErkJggg==" style="fill:black; stroke:black; font-weight:normal;" height="16" preserveAspectRatio="none" />
+      <text x="1775" y="583" style="fill:black; stroke:none; font-weight:normal;" xml:space="preserve"> if_codegen(in ClassFile, in CodeAttribute, in String, in boolean): void</text>
+      <image x="1901" y="516" width="16" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAA7ElEQVR42q2SXXUE
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+RK5CYII=" style="fill:black; stroke:black;" height="16" preserveAspectRatio="none" />
+      <text x="1920" y="528" style="fill:black; stroke:none;" xml:space="preserve">LessEquOp</text>
+      <path d="M588 128 L588 108 L1179 108 L1179 67" style="fill:none; stroke:black;" />
+      <polygon style="stroke:none;" points=" 1179 67 1185 91 1173 91" />
+      <polygon style="fill:none; stroke:black;" points=" 1179 67 1185 91 1173 91" />
+      <path d="M2220 184 L2220 108 L1179 108" style="fill:none; stroke:black;" />
+      <path d="M1167 141 L1167 108 L1179 108" style="fill:none; stroke:black;" />
+      <path d="M3121 179 L3121 108 L1179 108" style="fill:none; stroke:black;" />
+      <path d="M201 503 L201 483 L588 483 L588 195" style="fill:none; stroke:black;" />
+      <polygon style="stroke:none;" points=" 588 195 594 219 582 219" />
+      <polygon style="fill:none; stroke:black;" points=" 588 195 594 219 582 219" />
+      <path d="M640 504 L640 483 L588 483" style="fill:none; stroke:black;" />
+      <path d="M1070 505 L1070 483 L588 483" style="fill:none; stroke:black;" />
+      <path d="M1501 509 L1501 483 L588 483" style="fill:none; stroke:black;" />
+      <path d="M1947 511 L1947 483 L588 483" style="fill:none; stroke:black;" />
+      <path d="M2383 512 L2383 483 L588 483" style="fill:none; stroke:black;" />
+      <path d="M3350 452 L3350 438 L3121 438" style="fill:none; stroke:black;" />
+      <path d="M1358 375 L1358 347 L1167 347" style="fill:none; stroke:black;" />
+      <path d="M961 367 L961 347 L1167 347 L1167 280" style="fill:none; stroke:black;" />
+      <polygon style="stroke:none;" points=" 1167 280 1173 304 1161 304" />
+      <polygon style="fill:none; stroke:black;" points=" 1167 280 1173 304 1161 304" />
+      <path d="M2225 322 L2225 302 L2220 302" style="fill:none; stroke:black;" />
+      <path d="M2871 458 L2871 438 L3121 438 L3121 246" style="fill:none; stroke:black;" />
+      <polygon style="stroke:none;" points=" 3121 246 3127 270 3115 270" />
+      <polygon style="fill:none; stroke:black;" points=" 3121 246 3127 270 3115 270" />
+      <path d="M2658 322 L2658 302 L2220 302" style="fill:none; stroke:black;" />
+      <path d="M1792 322 L1792 302 L2220 302 L2220 213" style="fill:none; stroke:black;" />
+      <polygon style="stroke:none;" points=" 2220 213 2226 237 2214 237" />
+      <polygon style="fill:none; stroke:black;" points=" 2220 213 2226 237 2214 237" />
+    </g>
+  </g>
+</svg>
--- a/doc/OldStuff/Rest/Rest.svg
+++ b/doc/OldStuff/Rest/Rest.svg
--- a/doc/OldStuff/Rest/Statement.svg
+++ b/doc/OldStuff/Rest/Statement.svg
--- a/doc/OldStuff/Statement.ucd
+++ b/doc/OldStuff/Statement.ucd
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.0</version>
+			<version>4.11</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
--- a/src/main/java/de/dhbwstuttgart/bytecode/ArgumentVisitor.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/ArgumentVisitor.java
@@ -61,7 +61,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		assign.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(assign.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(assign.getType()));
 		argListMethCall.remove(0);
 	}

@@ -70,9 +70,9 @@ public class ArgumentVisitor implements StatementVisitor {
 		binary.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0)) {
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(binary.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(binary.getType()));
 		} else {
-			bytecodeGenMethod.doBoxing(bytecodeGenMethod.getResolvedType(binary.getType()));
+			bytecodeGenMethod.doBoxing(bytecodeGenMethod.getResolver().getResolvedType(binary.getType()));
 		}
 		argListMethCall.remove(0);
 	}
@@ -88,7 +88,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		castExpr.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(castExpr.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(castExpr.getType()));
 		argListMethCall.remove(0);
 	}

@@ -103,7 +103,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		fieldVar.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(fieldVar.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(fieldVar.getType()));
 		argListMethCall.remove(0);
 	}

@@ -124,7 +124,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		instanceOf.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(instanceOf.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(instanceOf.getType()));
 		argListMethCall.remove(0);
 	}

@@ -133,7 +133,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		localVar.accept(bytecodeGenMethod);
 		if(!bytecodeGenMethod.isBinaryExp) {
 			if(argListMethCall.get(0))
-				bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(localVar.getType()));
+				bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(localVar.getType()));
 		}
 		argListMethCall.remove(0);
 	}
@@ -149,7 +149,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		methodCall.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(methodCall.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(methodCall.getType()));
 		argListMethCall.remove(0);
 	}

@@ -158,7 +158,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		methodCall.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(methodCall.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(methodCall.getType()));
 		argListMethCall.remove(0);
 	}

@@ -197,7 +197,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		aThis.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(aThis.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(aThis.getType()));
 		argListMethCall.remove(0);
 	}

@@ -242,7 +242,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		unaryExpr.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(unaryExpr.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(unaryExpr.getType()));
 		argListMethCall.remove(0);
 	}

@@ -251,7 +251,7 @@ public class ArgumentVisitor implements StatementVisitor {
 		literal.accept(bytecodeGenMethod);
 		
 		if(argListMethCall.get(0))
-			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(literal.getType()));
+			bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(literal.getType()));
 		argListMethCall.remove(0);
 	}

--- a/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGen.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGen.java
@@ -1,16 +1,12 @@
 package de.dhbwstuttgart.bytecode;

 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.List;
-import java.util.NoSuchElementException;
 import java.util.Optional;

-import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.syntaxtree.statement.*;
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.FieldVisitor;
 import org.objectweb.asm.MethodVisitor;
@@ -18,31 +14,64 @@ import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.Type;

 import de.dhbwstuttgart.bytecode.Exception.BytecodeGeneratorError;
-import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
-import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
-import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
 import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
 import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
 import de.dhbwstuttgart.bytecode.signature.Signature;
 import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
 import de.dhbwstuttgart.bytecode.signature.TypeToString;
-import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResultForClass;
+import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
 import de.dhbwstuttgart.bytecode.utilities.NormalConstructor;
 import de.dhbwstuttgart.bytecode.utilities.NormalMethod;
-import de.dhbwstuttgart.bytecode.utilities.Simplify;
-import de.dhbwstuttgart.bytecode.utilities.SimplifyResult;
+import de.dhbwstuttgart.bytecode.utilities.Resolver;
+import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
-import de.dhbwstuttgart.syntaxtree.*;
+import de.dhbwstuttgart.syntaxtree.ASTVisitor;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.Constructor;
+import de.dhbwstuttgart.syntaxtree.Field;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
+import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.ParameterList;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
+import de.dhbwstuttgart.syntaxtree.statement.Assign;
+import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
+import de.dhbwstuttgart.syntaxtree.statement.BinaryExpr;
+import de.dhbwstuttgart.syntaxtree.statement.Block;
+import de.dhbwstuttgart.syntaxtree.statement.CastExpr;
+import de.dhbwstuttgart.syntaxtree.statement.DoStmt;
+import de.dhbwstuttgart.syntaxtree.statement.EmptyStmt;
+import de.dhbwstuttgart.syntaxtree.statement.ExpressionReceiver;
+import de.dhbwstuttgart.syntaxtree.statement.FieldVar;
+import de.dhbwstuttgart.syntaxtree.statement.ForStmt;
+import de.dhbwstuttgart.syntaxtree.statement.IfStmt;
+import de.dhbwstuttgart.syntaxtree.statement.InstanceOf;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
 import de.dhbwstuttgart.syntaxtree.statement.Literal;
+import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
+import de.dhbwstuttgart.syntaxtree.statement.LocalVarDecl;
+import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
+import de.dhbwstuttgart.syntaxtree.statement.NewArray;
+import de.dhbwstuttgart.syntaxtree.statement.NewClass;
+import de.dhbwstuttgart.syntaxtree.statement.Return;
+import de.dhbwstuttgart.syntaxtree.statement.ReturnVoid;
+import de.dhbwstuttgart.syntaxtree.statement.StaticClassName;
+import de.dhbwstuttgart.syntaxtree.statement.Super;
+import de.dhbwstuttgart.syntaxtree.statement.SuperCall;
+import de.dhbwstuttgart.syntaxtree.statement.This;
+import de.dhbwstuttgart.syntaxtree.statement.UnaryExpr;
+import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
 import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
-import de.dhbwstuttgart.typeinference.result.ResolvedType;
-import de.dhbwstuttgart.typeinference.result.ResultPair;
 import de.dhbwstuttgart.typeinference.result.ResultSet;

 public class BytecodeGen implements ASTVisitor {
@@ -52,9 +81,10 @@ public class BytecodeGen implements ASTVisitor {
 	String type;

 	public static RefTypeOrTPHOrWildcardOrGeneric THISTYPE = null;
-	String className;
+	private String className;
+	private String pkgName;
 	private boolean isInterface;
-	private List<ResultSet> listOfResultSets;
+	private Collection<ResultSet> listOfResultSets;
 	private ResultSet resultSet;
 	private SourceFile sf;
 	private String path;
@@ -65,7 +95,7 @@ public class BytecodeGen implements ASTVisitor {

 	private String superClass;

-	private ArrayList<String> tphsClass;
+	private List<String> tphsClass;

 	// stores parameter, local vars and the next index on the local variable table,
 	// which use for aload_i, astore_i,...
@@ -75,9 +105,6 @@ public class BytecodeGen implements ASTVisitor {

 	private int constructorPos = 0;

-	private final TPHExtractor tphExtractor = new TPHExtractor();
-	private final ArrayList<GenericInsertPair> commonPairs = new ArrayList<>();
-
 	HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
 	byte[] bytecode;
 	HashMap<String, byte[]> classFiles;
@@ -85,34 +112,29 @@ public class BytecodeGen implements ASTVisitor {
 	private final ArrayList<String> methodNameAndParamsT = new ArrayList<>();
 	private final ArrayList<String> fieldNameAndParamsT = new ArrayList<>();

-	private HashMap<String, SimplifyResult> simplifyResults = new HashMap<>();
-	private List<HashMap<String, SimplifyResult>> simplifyResultsList = new ArrayList<>();
-
 	private final ArrayList<String> fieldNameSignature = new ArrayList<>();

-	public List<HashMap<String, SimplifyResult>> getSimplifyResultsList() {
-		return simplifyResultsList;
-	}
+	private List<GenericGenratorResultForSourceFile> simplifyResultsForAllSourceFiles;
+	private GenericsGeneratorResultForClass generatedGenerics;

-	public void setSimplifyResultsList(List<HashMap<String, SimplifyResult>> simplifyResultsList) {
-		this.simplifyResultsList = simplifyResultsList;
-	}
+	private Resolver resolver;

-	public BytecodeGen(HashMap<String, byte[]> classFiles, List<ResultSet> listOfResultSets, SourceFile sf,
+	public BytecodeGen(HashMap<String, byte[]> classFiles, Collection<ResultSet> listOfResultSets, List<GenericGenratorResultForSourceFile> simplifyResultsForAllSourceFiles, SourceFile sf,
 			String path) {
 		this.classFiles = classFiles;
 		this.listOfResultSets = listOfResultSets;
+		this.simplifyResultsForAllSourceFiles = simplifyResultsForAllSourceFiles;
 		this.sf = sf;
 		this.path = path;
+		this.pkgName = sf.getPkgName();
 	}

 	@Override
 	public void visit(SourceFile sourceFile) {
 		for (ClassOrInterface cl : sourceFile.getClasses()) {
 			System.out.println("in Class: " + cl.getClassName().toString());
-			BytecodeGen classGen = new BytecodeGen(classFiles, listOfResultSets, sf, path);
+			BytecodeGen classGen = new BytecodeGen(classFiles, listOfResultSets, simplifyResultsForAllSourceFiles, sf, path);
 			cl.accept(classGen);
-			simplifyResultsList.add(classGen.getSimplifyResults());
 			classGen.writeClass(cl.getClassName().toString());
 		}
 	}
@@ -121,7 +143,7 @@ public class BytecodeGen implements ASTVisitor {
 	 * Associates the bytecode of the class that was build with the classWriter
 	 * {@link #cw} with the class name in the map {@link #classFiles}
 	 * 
-	 * @param name name of the class with which the the bytecode is to be associated
+	 * @param name name of the class with which the bytecode is to be associated
 	 */
 	private void writeClass(String name) {
 		bytecode = cw.toByteArray();
@@ -148,71 +170,32 @@ public class BytecodeGen implements ASTVisitor {
 		fieldInitializations = classOrInterface.getfieldInitializations();

 //		resultSet = listOfResultSets.get(0);
-		boolean isConsWithNoParamsVisited = false;
 		boolean isVisited = false;
-		for (ResultSet rs : listOfResultSets) {
+		List<ResultSet> listOfResultSetsList = new ArrayList<>(listOfResultSets);
+		generatedGenerics = simplifyResultsForAllSourceFiles.stream().map(sr->sr.getSimplifyResultsByName(pkgName, className)).findFirst().get();
+		for (int i = 0; i < listOfResultSetsList.size(); i++) {
+		//for (ResultSet rs : listOfResultSets) {
 			superClass = classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor());
-			resultSet = rs;
-			tphExtractor.setResultSet(resultSet);
+			resultSet = listOfResultSetsList.get(i);
+			resolver = new Resolver(resultSet);
+//			tphExtractor.setResultSet(resultSet);
+			

 			// Nur einmal ausführen!!
 			if (!isVisited) {
-				classOrInterface.accept(tphExtractor);
-
-				getCommonTPHS(tphExtractor);
-
-				tphsClass = new ArrayList<>();
-				for (String t : tphExtractor.allTPHS.keySet()) {
-					if (!tphExtractor.allTPHS.get(t))
-						tphsClass.add(t);
-				}

 				String sig = null;
 				/*
 				 * if class has generics then creates signature Signature looks like:
 				 * <E:Ljava/...>Superclass
 				 */
-				if (classOrInterface.getGenerics().iterator().hasNext() || !commonPairs.isEmpty()
-						|| classOrInterface.getSuperClass().acceptTV(new TypeToSignature()).contains("<")
-						|| !tphsClass.isEmpty()) {
-					HashMap<TPHConstraint, HashSet<String>> constraints = Simplify
-							.simplifyConstraintsClass(tphExtractor, tphsClass);
-					ArrayList<TPHConstraint> consClass = new ArrayList<>();
-					for (TPHConstraint cons : constraints.keySet()) {
-						String right = null;
-						boolean isToAdd = false;
-						for (String tph : tphsClass) {
-							if (cons.getLeft().equals(tph)) {
-
-								consClass.add(cons);
-								try {
-									right = getTPH(cons.getRight());
-									isToAdd = true;
-								} catch (NoSuchElementException e) {
-									continue;
-								}
-
-							}
-						}
-						if (isToAdd) {
-							tphsClass.add(right);
-							removeFromMethod(right);
-							right = null;
-							isToAdd = false;
-						}
-//						if(right != null) {
-//							tphsClass.add(right);
-//							removeFromMethod(right);
-//							right = null;
-//						}
-					}
-
-					SimplifyResult sRes = new SimplifyResult(consClass, tphsClass, new HashMap<>());
-					simplifyResults.put(className, sRes);
-
-					Signature signature = new Signature(classOrInterface, genericsAndBounds, commonPairs, tphsClass,
-							consClass);
-					sig = signature.toString();
+				if (classOrInterface.getGenerics().iterator().hasNext() || classOrInterface.getSuperClass().acceptTV(new TypeToSignature()).contains("<")
+						|| !generatedGenerics.getClassConstraints().isEmpty()) {
+					
+					List<GenericsGeneratorResult> consClass = generatedGenerics.getClassConstraints();
+//					
+					Signature signature = new Signature(classOrInterface, genericsAndBounds, consClass);
+					sig = signature.createSignatureForClassOrInterface();
 					System.out.println("Signature: => " + sig);
 				}

@@ -227,12 +210,7 @@ public class BytecodeGen implements ASTVisitor {
 			}

 			for (Constructor c : classOrInterface.getConstructors()) {
-//				if(!isConsWithNoParamsVisited) {
 				c.accept(this);
-//				}
-
-//				if(!c.getParameterList().iterator().hasNext())
-//					isConsWithNoParamsVisited = true;
 			}

 			for (Method m : classOrInterface.getMethods()) {
@@ -243,69 +221,20 @@ public class BytecodeGen implements ASTVisitor {

 	}

-	private void removeFromMethod(String name) {
-		for (MethodAndTPH m : tphExtractor.ListOfMethodsAndTph) {
-			ArrayList<String> toRemove = new ArrayList<>();
-			for (String tph : m.getTphs()) {
-				if (tph.equals(name)) {
-					toRemove.add(tph);
-				}
-			}
-
-			if (!toRemove.isEmpty()) {
-				m.getTphs().removeAll(toRemove);
-				return;
-			}
-		}
-
-	}
-
-	private String getTPH(String name) {
-		for (String tph : tphExtractor.allTPHS.keySet()) {
-			if (tph.equals(name))
-				return tph;
-		}
-		throw new NoSuchElementException("TPH " + name + " does not exist");
-	}
-
-	private void getCommonTPHS(TPHExtractor tphExtractor) {
-		// Gemeinsame TPHs
-		ArrayList<String> cTPHs = new ArrayList<>();
-		// Alle TPHs der Felder speichern
-		for (String tph : tphExtractor.allTPHS.keySet()) {
-			if (!tphExtractor.allTPHS.get(tph))
-				cTPHs.add(tph);
-		}
-	}
-
 	@Override
 	public void visit(Constructor field) {
-		System.out.println("ResultSet: ");
-		resultSet.results.forEach(a -> {
-			System.out.println(a.getLeft().toString() + " = " + a.getRight().toString());
-		});
-		System.out.println("---------------");
-
 		// stores generics and their bounds of method
 		HashMap<String, String> genericsAndBoundsMethod = new HashMap<>();

 		field.getParameterList().accept(this);

-		String methParamTypes = field.name + "%%";
+		String id = MethodUtility.createID(resolver, field);

-		Iterator<FormalParameter> itr = field.getParameterList().iterator();
-		while (itr.hasNext()) {
-			FormalParameter fp = itr.next();
-			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()) + ";";
-//			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToSignature())+";";
-		}
-
-		if (methodNameAndParamsT.contains(methParamTypes)) {
-			System.out.println("ignore - Method: " + field.name + " , paramsType: " + methParamTypes);
+		if (methodNameAndParamsT.contains(id)) {
 			return;
 		}
-		methodNameAndParamsT.add(methParamTypes);
-		System.out.println("Method: " + field.name + " , paramsType: " + methParamTypes);
+		methodNameAndParamsT.add(id);
+		System.out.println("Constructor: " + field.name + " , paramsType: " + id);

 		String desc = null;
 		boolean hasGen = false;
@@ -320,10 +249,11 @@ public class BytecodeGen implements ASTVisitor {
 		}
 		String sig = null;
 		if (hasGen) {
-			HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(field.name, tphExtractor,
-					tphsClass);
-			Signature signature = new Signature(field, genericsAndBounds, methodParamsAndTypes, resultSet, constraints);
-			sig = signature.toString();
+			List<GenericsGeneratorResult> constraints = generatedGenerics.getClassConstraints();
+			Signature signature = new Signature(genericsAndBounds,
+					methodParamsAndTypes, resultSet, constraints);
+
+			sig = signature.createSignatureForConstructor(field);
 		}
 		if (field.getParameterList().iterator().hasNext())
 			System.out.println(field.getParameterList().iterator().next().getType().acceptTV(new TypeToDescriptor()));
@@ -354,24 +284,19 @@ public class BytecodeGen implements ASTVisitor {
 		// stored in pos 0
 		// else it will be stored in pos 1 and this will be stored in pos 0
 		String retType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
-//		String retType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
-		String methParamTypes = retType + method.name + "%%";
-		method.getParameterList().accept(this);
+		
+		String id = MethodUtility.createID(resolver, method);

-		Iterator<FormalParameter> itr = method.getParameterList().iterator();
-		while (itr.hasNext()) {
-			FormalParameter fp = itr.next();
-			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()) + ";";
-//			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToSignature())+";";
-		}
-
-		if (methodNameAndParamsT.contains(methParamTypes)) {
+		if (methodNameAndParamsT.contains(id)) {
 			return;
 		}
-		methodNameAndParamsT.add(methParamTypes);
-		System.out.println("Method: " + method.name + " , paramsType: " + methParamTypes);
+		methodNameAndParamsT.add(id);
+		System.out.println("Method: " + method.name + " , paramsType: " + id);
 		// stores generics and their bounds of method
 		HashMap<String, String> genericsAndBoundsMethod = new HashMap<>();
+		
+		method.getParameterList().accept(this);
+		
 		String methDesc = null;

 		// Method getModifiers() ?
@@ -410,29 +335,17 @@ public class BytecodeGen implements ASTVisitor {
 		// zwite operand muss weggelassen werden
 		if (hasGen || resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToString())
 				.equals("TPH")) {
-			System.out.println("ALL CONST: " + tphExtractor.allCons.size());
-			tphExtractor.allCons.forEach(c -> System.out.println(c.toString()));
-			System.out.println("----------------");
-			HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(method.name,
-					tphExtractor, tphsClass);
-//			ArrayList<GenericInsertPair> pairs = simplifyPairs(method.name,tphExtractor.allPairs,tphExtractor.allCons);
-			Signature signature = new Signature(method, genericsAndBoundsMethod, genericsAndBounds,
-					methodParamsAndTypes, resultSet, constraints);
-			sig = signature.toString();
-			if (simplifyResults.containsKey(className)) {
-				simplifyResults.get(className).getMethodsConstraints().put(methParamTypes, constraints);
-			} else {
-				SimplifyResult sRes = new SimplifyResult(new ArrayList<>(), new ArrayList<>(), new HashMap<>());
-				sRes.getMethodsConstraints().put(methParamTypes, constraints);
-				simplifyResults.put(className, sRes);
-			}
-
+			
+			List<GenericsGeneratorResult> constraints = generatedGenerics.getMethodConstraintsByID(id);
+			List<GenericsGeneratorResult> classConstraints = generatedGenerics.getClassConstraints();
+			Signature signature = new Signature(genericsAndBoundsMethod, genericsAndBounds,
+					methodParamsAndTypes, resultSet, constraints,classConstraints);
+			sig = signature.createSignatureForMethod(method);
 		}
 		System.out.println(method.getName() + " ==> " + sig);
 		NormalMethod meth = new NormalMethod(method, genericsAndBounds, genericsAndBoundsMethod, hasGen);
 		methDesc = meth.accept(new DescriptorToString(resultSet));

-//		System.out.println(methDesc);
 		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC + acc, method.getName(), methDesc, sig, null);

 		mv.visitCode();
@@ -443,10 +356,6 @@ public class BytecodeGen implements ASTVisitor {
 		mv.visitEnd();
 	}

-	public HashMap<String, SimplifyResult> getSimplifyResults() {
-		return simplifyResults;
-	}
-
 	@Override
 	public void visit(ParameterList formalParameters) {
 		paramsAndLocals = new HashMap<>();
@@ -517,7 +426,7 @@ public class BytecodeGen implements ASTVisitor {
 		}
 		des += ";";
 		System.out.println(des);
-		String sig = resultSet.resolveType(field.getType()).resolvedType.acceptTV(new TypeToSignature());
+		String sig = resultSet.resolveType(field.getType()).resolvedType.acceptTV(new TypeToSignature(generatedGenerics.getClassConstraints()));
 		System.out.println(sig);
 		if (sig.charAt(sig.length() - 1) != (";").charAt(0)) {
 			sig += ";";
--- a/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
@@ -1,9 +1,5 @@
 package de.dhbwstuttgart.bytecode;

-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
 import java.lang.invoke.CallSite;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
@@ -14,11 +10,10 @@ import java.net.URLClassLoader;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
-import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Map;

+import de.dhbwstuttgart.bytecode.utilities.*;
 import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.syntaxtree.statement.*;
 import de.dhbwstuttgart.syntaxtree.statement.BinaryExpr.Operator;
@@ -30,27 +25,15 @@ import org.objectweb.asm.Label;
 import org.objectweb.asm.MethodVisitor;
 import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.Type;
-import org.objectweb.asm.signature.SignatureVisitor;
-import org.objectweb.asm.signature.SignatureWriter;

 import de.dhbwstuttgart.bytecode.Exception.NotInCurrentPackageException;
 import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
 import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
-import de.dhbwstuttgart.bytecode.signature.Signature;
-import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
-import de.dhbwstuttgart.bytecode.utilities.KindOfLambda;
-import de.dhbwstuttgart.bytecode.utilities.Lambda;
-import de.dhbwstuttgart.bytecode.utilities.MethodCallHelper;
-import de.dhbwstuttgart.bytecode.utilities.MethodFromMethodCall;
-import de.dhbwstuttgart.bytecode.utilities.SamMethod;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
-import de.dhbwstuttgart.syntaxtree.AbstractASTWalker;
-import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.FormalParameter;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.SourceFile;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
@@ -58,11 +41,12 @@ import javassist.NotFoundException;

 public class BytecodeGenMethod implements StatementVisitor {

+	private Resolver resolver;
 	private Method m;
 	private MethodVisitor mv;
 	private HashMap<String, Integer> paramsAndLocals = new HashMap<>();
 	private String className;
-	private int lamCounter = -1;
+	private int lamCounter;
 	private ClassWriter cw;
 	private ResultSet resultSet;
 	private boolean isInterface;
@@ -101,6 +85,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		this.className = className;
 		this.superClass = superClass;
 		this.resultSet = resultSet;
+		this.resolver = new Resolver(resultSet);
 		this.m = m;
 		this.mv = mv;
 		this.paramsAndLocals = paramsAndLocals;
@@ -111,6 +96,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		this.classFiles = classFiles;
 		this.sf = sf;
 		this.path = path;
+		this.lamCounter = -1;
 		this.constructorPos = constructorPos;
 		if(block != null)
 			this.blockFieldInit = block;
@@ -126,6 +112,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		this.className = className;
 		this.superClass = superClass;
 		this.resultSet = resultSet;
+		this.resolver = new Resolver(resultSet);
 		this.m = m;
 		this.mv = mv;
 		this.paramsAndLocals = paramsAndLocals;
@@ -136,17 +123,19 @@ public class BytecodeGenMethod implements StatementVisitor {
 		this.classFiles = classFiles;
 		this.sf = sf;
 		this.path = path;
-		
+		this.lamCounter = -1;
 		if (!isInterface)
 			this.m.block.accept(this);

 	}

-	public BytecodeGenMethod(LambdaExpression lambdaExpression, ArrayList<String> usedVars, ResultSet resultSet, MethodVisitor mv,
+	public BytecodeGenMethod(String className, ClassWriter cw, LambdaExpression lambdaExpression, ArrayList<String> usedVars, ResultSet resultSet, MethodVisitor mv,
 			int indexOfFirstParamLam, boolean isInterface, HashMap<String, byte[]> classFiles, String path, int lamCounter, SourceFile sf,HashMap<String, String> genericsAndBoundsMethod,
 			HashMap<String, String> genericsAndBounds) {
-
+		this.className = className;
+		this.cw = cw;
 		this.resultSet = resultSet;
+		this.resolver = new Resolver(resultSet);
 		this.mv = mv;
 		this.isInterface = isInterface;
 		this.classFiles = classFiles;
@@ -172,21 +161,22 @@ public class BytecodeGenMethod implements StatementVisitor {
 		lambdaExpression.methodBody.accept(this);
 	}
 	
+	public Resolver getResolver() {
+		return resolver;
+	}
+	
 	public void isBinary(boolean isBinary) {
 		this.isBinaryExp =isBinary;
 	}
 	
-	public String getResolvedType(RefTypeOrTPHOrWildcardOrGeneric type) {
-		return resultSet.resolveType(type).resolvedType.acceptTV(new TypeToDescriptor());
-	}

 	@Override
 	public void visit(Block block) {
 		for (Statement stmt : block.getStatements()) {
 			stmt.accept(this);
 			if(stmt instanceof MethodCall) {
-				String ret = getResolvedType(((MethodCall) stmt).getType());
-				if(!ret.equals("void"))
+				String ret = resolver.getResolvedType(((MethodCall) stmt).getType());
+				if(!ret.equals(CONSTANTS.VOID))
 					mv.visitInsn(Opcodes.POP);
 			}
 		}
@@ -220,7 +210,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		mv.visitVarInsn(Opcodes.ALOAD, paramsAndLocals.get(localVar.name));
 		
 		if (isBinaryExp) {
-			doUnboxing(getResolvedType(localVar.getType()));
+			doUnboxing(resolver.getResolvedType(localVar.getType()));
 		}
 	}

@@ -248,16 +238,20 @@ public class BytecodeGenMethod implements StatementVisitor {
 		} else {
 			assign.rightSide.accept(this);
 		}
+		
+		statement = new AssignStmt(assign.rightSide);
+		isBinaryExp = statement.isExprBinary();
+		
 		if (isBinaryExp) {
 			BinaryExpr binary = (BinaryExpr) assign.rightSide;
-			String binaryType = getResolvedType(binary.getType());
+			String binaryType = resolver.getResolvedType(binary.getType());
 			doBoxing(binaryType);
 			isBinaryExp = false;
 		}

-		System.out.println("ASSIGN TYPE R: " + getResolvedType(assign.rightSide.getType()));
-		String typeOfRightSide = getResolvedType(assign.rightSide.getType());
-		if(typeOfRightSide.contains("<")) {
+		System.out.println("ASSIGN TYPE R: " + resolver.getResolvedType(assign.rightSide.getType()));
+		String typeOfRightSide = resolver.getResolvedType(assign.rightSide.getType());
+		if(typeOfRightSide.contains(CONSTANTS.ANGLEBRACKET)) {
 			mv.visitTypeInsn(Opcodes.CHECKCAST, typeOfRightSide.substring(0, typeOfRightSide.indexOf('<')));
 		}
 		assign.lefSide.accept(this);
@@ -268,11 +262,11 @@ public class BytecodeGenMethod implements StatementVisitor {
 	@Override
 	public void visit(BinaryExpr binary) {
 		isParentBinary = true;
-		String lexpType = getResolvedType(binary.lexpr.getType());
-		String rexpType = getResolvedType(binary.rexpr.getType());
+		String lexpType = resolver.getResolvedType(binary.lexpr.getType());
+		String rexpType = resolver.getResolvedType(binary.rexpr.getType());

 		String largerType = getLargerType(lexpType, rexpType);
-		String typeOfBinary = getResolvedType(binary.getType());
+		String typeOfBinary = resolver.getResolvedType(binary.getType());
 		
 		if (typeOfBinary.equals(Type.getInternalName(String.class))) {
 			mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(StringBuilder.class));
@@ -290,6 +284,11 @@ public class BytecodeGenMethod implements StatementVisitor {
 			needDUP = true;
 		
 		binary.lexpr.accept(this);
+		
+		if(lexpType.equals(Type.getInternalName(String.class))) {
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(StringBuilder.class), "append",
+					"(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
+		}

 		if (!lexpType.equals(rexpType) && !lexpType.equals(largerType))
 			doCast(lexpType, largerType);
@@ -298,7 +297,10 @@ public class BytecodeGenMethod implements StatementVisitor {
 			needDUP = true;
 		
 		binary.rexpr.accept(this);
-		
+		if(rexpType.equals(Type.getInternalName(String.class))) {
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(StringBuilder.class), "append",
+					"(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
+		}
 		isParentBinary = false;
 		
 		if (!lexpType.equals(rexpType) && !rexpType.equals(largerType))
@@ -362,11 +364,11 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void doCast(String sourceType, String dest) {
 		switch (dest) {
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.I2L);
 			break;

-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			if (sourceType.equals(Type.getInternalName(Long.class))) {
 				mv.visitInsn(Opcodes.L2D);
 			} else if (sourceType.equals(Type.getInternalName(Float.class))) {
@@ -376,15 +378,15 @@ public class BytecodeGenMethod implements StatementVisitor {
 			}
 			break;

-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			if (sourceType.equals(Type.getInternalName(Long.class))) {
 				mv.visitInsn(Opcodes.L2F);
 			} else {
 				mv.visitInsn(Opcodes.I2F);
 			}
 			break;
-		// braucht man eigentlic nicht, muss getestet werden
-		case "java/lang/String":
+		// braucht man eigentlich nicht, muss getestet werden
+		case CONSTANTS.REFTYPE_STRING:
 			if (sourceType.equals(Type.getInternalName(Double.class))) {
 				mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(String.class), "valueOf",
 						"(D)Ljava/lang/String;", false);
@@ -407,15 +409,15 @@ public class BytecodeGenMethod implements StatementVisitor {
 	private void doVisitRelOpInsn(Operator op, String typeOfBinary, Label branchLabel, Label endLabel) {
 		System.out.println("TypeOfBinary: " + typeOfBinary);
 		switch (typeOfBinary) {
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.LCMP);
 			doVisitIfInRelOp(op, branchLabel, endLabel);
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			mv.visitInsn(Opcodes.DCMPG);
 			doVisitIfInRelOp(op, branchLabel, endLabel);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			mv.visitInsn(Opcodes.FCMPG);
 			doVisitIfInRelOp(op, branchLabel, endLabel);
 			break;
@@ -479,13 +481,13 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void doVisitModOpInsn(String typeOfBinary) {
 		switch (typeOfBinary) {
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.LREM);
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			mv.visitInsn(Opcodes.DREM);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			mv.visitInsn(Opcodes.FREM);
 			break;
 		default:
@@ -496,13 +498,13 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void doVisitDivOpInsn(String typeOfBinary) {
 		switch (typeOfBinary) {
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.LDIV);
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			mv.visitInsn(Opcodes.DDIV);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			mv.visitInsn(Opcodes.FDIV);
 			break;
 		default:
@@ -513,13 +515,13 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void doVisitMulOpInsn(String typeOfBinary) {
 		switch (typeOfBinary) {
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.LMUL);
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			mv.visitInsn(Opcodes.DMUL);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			mv.visitInsn(Opcodes.FMUL);
 			break;
 		default:
@@ -530,13 +532,13 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void doVisitSubOpInsn(String typeOfBinary) {
 		switch (typeOfBinary) {
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.LSUB);
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			mv.visitInsn(Opcodes.DSUB);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			mv.visitInsn(Opcodes.FSUB);
 			break;
 		default:
@@ -548,24 +550,28 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void doVisitAddOpInsn(String typeOfBinary) {
 		switch (typeOfBinary) {
-		case "java/lang/Byte":
+		case CONSTANTS.REFTYPE_BYTE:
 			mv.visitInsn(Opcodes.IADD);
 			break;
-		case "java/lang/Short":
+		case CONSTANTS.REFTYPE_SHORT:
 			mv.visitInsn(Opcodes.IADD);
 			break;
-		case "java/lang/Integer":
+		case CONSTANTS.REFTYPE_INTEGER:
 			mv.visitInsn(Opcodes.IADD);
 			break;
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.LADD);
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			mv.visitInsn(Opcodes.DADD);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			mv.visitInsn(Opcodes.FADD);
 			break;
+		case CONSTANTS.REFTYPE_STRING:
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", CONSTANTS.TO_STRING, "()Ljava/lang/String;",
+					false);
+			break;
 		default:
 			break;
 		}
@@ -574,17 +580,10 @@ public class BytecodeGenMethod implements StatementVisitor {
 	@Override
 	public void visit(LambdaExpression lambdaExpression) {
 		this.lamCounter++;
-		
-		String typeErasure = "(";
-		Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
-		while (itr.hasNext()) {
-			itr.next();
-			typeErasure += "L" + Type.getInternalName(Object.class) + ";";
-		}

-		typeErasure += ")L" + Type.getInternalName(Object.class) + ";";
-		
-		generateBCForFunN(lambdaExpression, typeErasure);
+		String typeErasure = createDescriptorWithTypeErasure(lambdaExpression);
+
+		ByteCodeForFunNGenerator.generateBCForFunN(lambdaExpression, typeErasure,path);
 		
 		
 		Lambda lam = new Lambda(lambdaExpression);
@@ -597,7 +596,7 @@ public class BytecodeGenMethod implements StatementVisitor {

 		Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory",
 				mt.toMethodDescriptorString(), false);
-		String methodName = "lambda$new$" + this.lamCounter;
+		String desugaredMethodName = CONSTANTS.DESUGAREDMETHODNAME + this.lamCounter;

 		// Für die Parameter-Typen und Return-Typ braucht man die Bounds (für die
 		// Typlöschung)
@@ -608,37 +607,22 @@ public class BytecodeGenMethod implements StatementVisitor {
 		// real Type
 		Type arg3 = Type.getMethodType(lamDesc);
 		
-		int staticOrSpecial = 0;
-		int staticOrInstance = 0;
-		int indexOfFirstParamLam = 0;
+		int staticOrSpecial, staticOrInstance = 0, indexOfFirstParamLam = 0;
+
 		this.kindOfLambda = new KindOfLambda(lambdaExpression);

 		if (kindOfLambda.isInstanceCapturingLambda()) {
-//			if(!kindOfLambda.getArgumentList().contains(BytecodeGen.THISTYPE))
-//				kindOfLambda.getArgumentList().add(0, BytecodeGen.THISTYPE);
 			mv.visitVarInsn(Opcodes.ALOAD, 0);
-			for(String v : kindOfLambda.getUsedVars()) {
-				mv.visitVarInsn(Opcodes.ALOAD, paramsAndLocals.get(v));
-			}
+			loadUsedVarsInLambda();
 			staticOrSpecial = Opcodes.H_INVOKESPECIAL;
 			indexOfFirstParamLam = 1;
 		} else {
 			staticOrSpecial = Opcodes.H_INVOKESTATIC;
 			staticOrInstance = Opcodes.ACC_STATIC;
 		}
-		String newDesc = "(";
-		int pos = 0;
-		if(kindOfLambda.isHasThis()) {
-			pos = 1;
-		}
-		
-		for(int i=pos;i<kindOfLambda.getArgumentList().size();i++) {
-			String t = "L" + getResolvedType(kindOfLambda.getArgumentList().get(i)) + ";";
-			newDesc += t;
-		}
-		newDesc += lamDesc.substring(1);
+		String newDesc = addUsedVarsToDesugaredMethodDescriptor(lamDesc);
 		// first check if capturing lambda then invokestatic or invokespecial
-		Handle arg2 = new Handle(staticOrSpecial, this.className, methodName, newDesc, false);
+		Handle arg2 = new Handle(staticOrSpecial, this.className, desugaredMethodName, newDesc, false);
 		// Descriptor of functional interface methode
 		SamMethod samMethod = new SamMethod(kindOfLambda.getArgumentList(), lambdaExpression.getType());
 		// Desc: (this/nothing)TargetType
@@ -646,11 +630,11 @@ public class BytecodeGenMethod implements StatementVisitor {
 		mv.visitInvokeDynamicInsn("apply", fiMethodDesc, bootstrap, arg1, arg2, arg3);
 		if(constructorPos<2) {
 			MethodVisitor mvLambdaBody = cw.visitMethod(Opcodes.ACC_PRIVATE + staticOrInstance + Opcodes.ACC_SYNTHETIC,
-					methodName, newDesc, null, null);
+					desugaredMethodName, newDesc, null, null);
 			
 			ArrayList<String> usedVars = kindOfLambda.getUsedVars();
 			
-			new BytecodeGenMethod(lambdaExpression, usedVars,this.resultSet, mvLambdaBody, indexOfFirstParamLam, isInterface,
+			new BytecodeGenMethod(className, cw,lambdaExpression, usedVars,this.resultSet, mvLambdaBody, indexOfFirstParamLam, isInterface,
 					classFiles,this.path, lamCounter, sf, genericsAndBoundsMethod,
 					genericsAndBounds);
 	
@@ -662,49 +646,41 @@ public class BytecodeGenMethod implements StatementVisitor {
 //		generateBCForFunN(lambdaExpression, typeErasure);
 	}

-	private void generateBCForFunN(LambdaExpression lambdaExpression, String methDesc) {
-		ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
+	private String addUsedVarsToDesugaredMethodDescriptor(String lamDesc) {
+		String newDesc = "(";
+		int pos = 0;
+		if(kindOfLambda.isThisUsed()) {
+			pos = 1;
+		}

-		SignatureWriter methSig = new SignatureWriter();
+		for(int i=pos;i<kindOfLambda.getArgumentList().size();i++) {
+			String t = "L" + resolver.getResolvedType(kindOfLambda.getArgumentList().get(i)) + ";";
+			newDesc += t;
+		}
+		newDesc += lamDesc.substring(1);
+		return newDesc;
+	}

-		int numberOfParams = 0;
-		SignatureVisitor paramVisitor = methSig.visitParameterType();
+	private void loadUsedVarsInLambda() {
+		for(String v : kindOfLambda.getUsedVars()) {
+			mv.visitVarInsn(Opcodes.ALOAD, paramsAndLocals.get(v));
+		}
+	}
+
+	private String createDescriptorWithTypeErasure(LambdaExpression lambdaExpression) {
+		String typeErasure = "(";
 		Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
 		while (itr.hasNext()) {
-			numberOfParams++;
-			// getBounds
-			paramVisitor.visitTypeVariable("T" + numberOfParams);
 			itr.next();
-		}
-		methSig.visitReturnType().visitTypeVariable("R");
-		// ")"+lam.getReturn.getBounds
-		Signature sig = new Signature(numberOfParams);
-		String name = "Fun" + numberOfParams + "$$";
-		classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
-				Type.getInternalName(Object.class), null);
-		MethodVisitor mvApply = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT, "apply", methDesc,
-				methSig.toString(), null);
-		mvApply.visitEnd();
-		writeClassFile(classWriter.toByteArray(), name);
-	}
-
-	public void writeClassFile(byte[] bytecode, String name) {
-		FileOutputStream output;
-		try {
-			System.out.println("generating " + name + ".class file...");
-			output = new FileOutputStream(
-					new File(path + name + ".class"));
-			output.write(bytecode);
-			output.close();
-			System.out.println(name + ".class file generated");
-		} catch (FileNotFoundException e) {
-			e.printStackTrace();
-		} catch (IOException e) {
-			e.printStackTrace();
+			typeErasure += "L" + Type.getInternalName(Object.class) + ";";
 		}

+		typeErasure += ")L" + Type.getInternalName(Object.class) + ";";
+		return typeErasure;
 	}

+
+
 	@Override
 	public void visit(CastExpr castExpr) {

@@ -730,11 +706,11 @@ public class BytecodeGenMethod implements StatementVisitor {
 		fieldVar.receiver.accept(this);
 		// test (if)
 		if (!fieldVar.receiver.getClass().equals(StaticClassName.class)) {
-			mv.visitFieldInsn(Opcodes.GETFIELD, getResolvedType(fieldVar.receiver.getType()), fieldName, fieldDesc);
+			mv.visitFieldInsn(Opcodes.GETFIELD, resolver.getResolvedType(fieldVar.receiver.getType()), fieldName, fieldDesc);
 		}
 		
 		if (isBinaryExp) {
-			doUnboxing(getResolvedType(fieldVar.getType()));
+			doUnboxing(resolver.getResolvedType(fieldVar.getType()));
 		}
 		// mv.visitFieldInsn(Opcodes.GETSTATIC,
 		// fieldVar.receiver.getType().toString().replace(".", "/"),
@@ -753,7 +729,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		isBinaryExp = statement.isExprBinary();
 		ifStmt.expr.accept(this);
 		if(!(ifStmt.expr instanceof BinaryExpr)) {
-			doUnboxing(getResolvedType(ifStmt.expr.getType()));
+			doUnboxing(resolver.getResolvedType(ifStmt.expr.getType()));
 			Label branchLabel = new Label();
 			Label endLabel = new Label();
 			mv.visitJumpInsn(Opcodes.IFEQ, branchLabel);
@@ -771,7 +747,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 	public void visit(MethodCall methodCall) {
 		boolean parentBinary = isParentBinary;
 		System.out.println("In MethodCall = " + methodCall.name);
-		String receiverName = getResolvedType(methodCall.receiver.getType());
+		String receiverName = resolver.getResolvedType(methodCall.receiver.getType());
 		System.out.println("Methods of " + receiverName + " ");
 		java.lang.reflect.Method methodRefl = null;
 		String clazz = receiverName.replace("/", ".");
@@ -780,8 +756,6 @@ public class BytecodeGenMethod implements StatementVisitor {
 		
 		MethodCallHelper helper = new MethodCallHelper(methodCall, sf, resultSet, path);
 		
-		boolean toCreate = false;
-
 		ClassLoader cLoader = ClassLoader.getSystemClassLoader();
 		// This will be used if the class is not standard class (not in API)
 		ClassLoader cLoader2;
@@ -789,9 +763,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		String methCallType = resultSet.resolveType(methodCall.getType()).resolvedType.acceptTV(new TypeToDescriptor());
 		String[] typesOfParams = getTypes(methodCall.arglist.getArguments());
 		try {
-			if (receiverName.contains("<")) {
-				clazz = clazz.substring(0, receiverName.indexOf("<"));
-			}
+			clazz = getRawClassName(receiverName, clazz);

 			java.lang.reflect.Method[] methods = cLoader.loadClass(clazz).getMethods();
 			System.out.println("Methods of " + receiverName + " ");
@@ -805,19 +777,12 @@ public class BytecodeGenMethod implements StatementVisitor {
 							
 							try {
 								String superClazz = superClass.replace("/", ".");
-								if(superClass.contains("<")) {
-									superClazz = superClazz.substring(0, superClass.indexOf("<"));
-								}
+								superClazz = getRawClassName(superClass, superClazz);
 								java.lang.reflect.Method[] methods = cLoader.loadClass(superClazz).getMethods();
 								System.out.println("Methods of " + superClass + " ");
-								
-								for(java.lang.reflect.Method m : methods) {
-									if(methodCall.name.equals(m.getName())) {
-										methodRefl = m;
-										break;
-									}
-								}
-								
+
+								methodRefl = getMethod(methodCall.name, methodCall.arglist.getArguments().size(), methods);
+
 								break;
 							} catch (Exception e3) {
 								receiverName = superClass;
@@ -832,7 +797,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 			}
 			
 			if(methodRefl == null) {
-				toCreate = !receiverName.equals(className) && helper.isInCurrPkg(clazz);
+				boolean toCreate = !receiverName.equals(className) && helper.isInCurrPkg(clazz);
 				if(toCreate) {
 					try {
 						mDesc = helper.getDesc(clazz);
@@ -840,8 +805,10 @@ public class BytecodeGenMethod implements StatementVisitor {
 						e.printStackTrace();
 					}
 				} else if(!helper.isInCurrPkg(clazz)){
-					if(clazz.contains("$$")) {
-						mDesc = helper.generateBCForFunN();
+					if(clazz.contains(CONSTANTS.$$)) {
+						mDesc = helper.getDescriptorOfApplyMethod(methCallType);
+						helper.generateBCForFunN(mDesc);
+//						mDesc = helper.generateBCForFunN(methCallType,typesOfParams);
 					}else {
 						try {
 							cLoader2 = new URLClassLoader(new URL[] {new URL("file://"+path)});
@@ -873,18 +840,10 @@ public class BytecodeGenMethod implements StatementVisitor {
 		} else if(methodRefl != null) {
 			System.out.println(methodCall.name + " -> Refl != null");
 			receiverRefl = methodRefl.getAnnotatedReceiverType().getType().toString();
-			for(Parameter p:methodRefl.getParameters()) {
-				System.out.println(p.getName() + " und is Primitive = " + p.getType().isPrimitive());
-				argListMethCall.add(p.getType().isPrimitive());
-			}
+			getBoolListOfType(methodRefl, argListMethCall);
 			System.out.println("Receiver = " + methodRefl.getAnnotatedReceiverType().getType().toString());
 			mDesc = getMethodDesc(methodRefl);
-			for (Expression al : methodCall.arglist.getArguments()) {
-				statement = new ArgumentExpr(al);
-				ArgumentVisitor argV = new ArgumentVisitor(argListMethCall,this); 
-				al.accept(argV);
-				statement = null;
-			}
+			visitArgumentListOfMethodCallFromStandardAPI(methodCall, argListMethCall);
 		} else {
 			methodCall.arglist.accept(this);
 		}
@@ -893,54 +852,69 @@ public class BytecodeGenMethod implements StatementVisitor {
 		
 		
 //		methodCall.arglist.accept(this);
+		visitInvokeInsn(methodCall, receiverName, methodRefl, clazz, mDesc, receiverRefl);
+
+
+		if(methodRefl != null && !methodRefl.getReturnType().isPrimitive()) {
+			if(methodRefl.getReturnType().equals(Object.class)) {
+				helper.createCheckCast(methodCall,mv);
+			}
+			/*if(isBinaryExp) {
+				doUnboxing(resolver.getResolvedType(methodCall.getType()));
+			}*/
+			if(parentBinary || isBinaryExp) {
+				doUnboxing(resolver.getResolvedType(methodCall.getType()));
+			}
+		} else if(receiverName.contains(CONSTANTS.$$) && !methCallType.equals(Type.getInternalName(Object.class))) {
+			helper.createCheckCast(methodCall,mv);
+		}
+		System.out.println("ISParent Binary = "+isParentBinary +" -> " + parentBinary);
+		if(methodRefl == null && (parentBinary || !isReturnStmt)) {
+			if(isBinaryExp)
+				doUnboxing(resolver.getResolvedType(methodCall.getType()));
+		}
 		
+	}
+
+	private void getBoolListOfType(java.lang.reflect.Method methodRefl, List<Boolean> argListMethCall) {
+		for(Parameter p:methodRefl.getParameters()) {
+			System.out.println(p.getName() + " und is Primitive = " + p.getType().isPrimitive());
+			argListMethCall.add(p.getType().isPrimitive());
+		}
+	}
+
+	private void visitArgumentListOfMethodCallFromStandardAPI(MethodCall methodCall, List<Boolean> argListMethCall) {
+		for (Expression al : methodCall.arglist.getArguments()) {
+			statement = new ArgumentExpr(al);
+			ArgumentVisitor argV = new ArgumentVisitor(argListMethCall,this);
+			al.accept(argV);
+			statement = null;
+		}
+	}
+
+	private void visitInvokeInsn(MethodCall methodCall, String receiverName, java.lang.reflect.Method methodRefl, String clazz, String mDesc, String receiverRefl) {
 		// is methodCall.receiver functional Interface)?
-		if (varsFunInterface.contains(methodCall.receiver.getType()) || (methodRefl!= null && receiverRefl.contains("interface"))) {
+		if (varsFunInterface.contains(methodCall.receiver.getType()) || (methodRefl!= null && receiverRefl.contains("interface")) ||
+				receiverName.contains(CONSTANTS.$$)) {
 			mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, clazz.replace(".", "/"), methodCall.name,
 					mDesc, true);
 		} else {
 			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, clazz.replace(".", "/"), methodCall.name,
 					mDesc, isInterface);
 		}
-
-		if(methodRefl != null && !methodRefl.getReturnType().isPrimitive()) {
-			if(methodRefl.getReturnType().equals(Object.class)) {
-				String checkCast = getResolvedType(methodCall.getType());
-				if(!checkCast.contains("TPH ")) {
-					int pos = checkCast.length();
-					if(checkCast.contains("<"))
-						pos = checkCast.indexOf("<");
-					mv.visitTypeInsn(Opcodes.CHECKCAST,checkCast.substring(0,pos));
-				}
-			}
-			if(isBinaryExp)
-				doUnboxing(getResolvedType(methodCall.getType()));
-		}
-		System.out.println("ISParent Binary = "+isParentBinary +" -> " + parentBinary);
-		if(methodRefl == null && (parentBinary || !isReturnStmt)) {
-			if(isBinaryExp)
-				doUnboxing(getResolvedType(methodCall.getType()));
-		}
-		
-	}
-	
-	private String getDescForMethInCurrPkg(String name) {
-		// TODO Auto-generated method stub
-		return null;
 	}

-	private boolean isInCurrPkg(String superClass) {
-		for(ClassOrInterface cl : sf.KlassenVektor) {
-			if(superClass.equals(cl.getClassName().toString()))
-				return true;
+	private String getRawClassName(String receiverName, String clazz) {
+		if (receiverName.contains(CONSTANTS.ANGLEBRACKET)) {
+			clazz = clazz.substring(0, receiverName.indexOf(CONSTANTS.ANGLEBRACKET));
 		}
-		return false;
+		return clazz;
 	}

 	private String[] getTypes(List<Expression> arguments) {
 		String[] types = new String[arguments.size()];
 		for(int i = 0; i<arguments.size(); ++i) {
-			String t = getResolvedType(arguments.get(i).getType());
+			String t = resolver.getResolvedType(arguments.get(i).getType());
 			types[i] = t;
 		}
 		return types;
@@ -1043,15 +1017,24 @@ public class BytecodeGenMethod implements StatementVisitor {
 		mv.visitInsn(Opcodes.DUP);
 		// creates Descriptor
 		methodCall.arglist.accept(this);
-		String d = "(";
-		for (Expression e : methodCall.arglist.getArguments()) {
-			d = d + "L" + getResolvedType(e.getType()) + ";";
-		}
-		d += ")V";
+		String d = createDescriptorForInitMethod(methodCall);

 		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, methodCall.name.replace(".", "/"), "<init>", d, isInterface);
 	}

+	private String createDescriptorForInitMethod(NewClass methodCall) {
+		String d = "(";
+		for (Expression e : methodCall.arglist.getArguments()) {
+			String type = resolver.getResolvedType(e.getType());
+			if(type.contains("TPH ")){
+				type = Type.getInternalName(Object.class);
+			}
+			d = d + "L" + type + ";";
+		}
+		d += ")V";
+		return d;
+	}
+
 	@Override
 	public void visit(NewArray newArray) {
 		// TODO Auto-generated method stub
@@ -1068,7 +1051,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		unaryExpr.expr.accept(this);
 		Operation op = unaryExpr.operation;

-		String typeOfUnary = getResolvedType(unaryExpr.getType());
+		String typeOfUnary = resolver.getResolvedType(unaryExpr.getType());

 		boolean isIncOrDec = false;

@@ -1112,13 +1095,13 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void doVisitNegIns(String typeOfUnary) {
 		switch (typeOfUnary) {
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			mv.visitInsn(Opcodes.LNEG);
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			mv.visitInsn(Opcodes.DNEG);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			mv.visitInsn(Opcodes.FNEG);
 			break;
 		default:
@@ -1162,7 +1145,7 @@ public class BytecodeGenMethod implements StatementVisitor {

 		if (isBinary) {
 			BinaryExpr binary = (BinaryExpr) aReturn.retexpr;
-			doBoxing(getResolvedType(binary.getType()));
+			doBoxing(resolver.getResolvedType(binary.getType()));
 //			isBinaryExp = false;
 		}
 		
@@ -1218,7 +1201,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 	@Override
 	public void visit(Literal literal) {
 		Object value = literal.value;
-		String typeOfLiteral = getResolvedType(literal.getType());
+		String typeOfLiteral = resolver.getResolvedType(literal.getType());
 		System.out.println("typeOfLiteral :=> "+ typeOfLiteral);
 		// Der Wert des Literals wird auf den Stack geladen und
 		// geboxt, wenn es nötig ist.
@@ -1228,31 +1211,31 @@ public class BytecodeGenMethod implements StatementVisitor {
 	// Unboxing: RefType -> prim
 	public void doUnboxing(String type) {
 		switch (type) {
-		case "java/lang/String":
-			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(StringBuilder.class), "append",
-					"(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
-
-			break;
+//		case "java/lang/String":
+//			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(StringBuilder.class), "append",
+//					"(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
+//
+//			break;
 		case "java/lang/Boolean":
 			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Boolean", "booleanValue", "()Z", false);
 			break;
-		case "java/lang/Byte":
-			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Byte", "byteValue", "()B", false);
+		case CONSTANTS.REFTYPE_BYTE:
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, CONSTANTS.REFTYPE_BYTE, "byteValue", "()B", false);
 			break;
-		case "java/lang/Short":
-			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Short", "shortValue", "()S", false);
+		case CONSTANTS.REFTYPE_SHORT:
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, CONSTANTS.REFTYPE_SHORT, "shortValue", "()S", false);
 			break;
 		case "java/lang/Integer":
 			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Integer", "intValue", "()I", false);
 			break;
-		case "java/lang/Long":
-			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Long", "longValue", "()J", false);
+		case CONSTANTS.REFTYPE_LONG:
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, CONSTANTS.REFTYPE_LONG, "longValue", "()J", false);
 			break;
-		case "java/lang/Float":
-			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Float", "floatValue", "()F", false);
+		case CONSTANTS.REFTYPE_FLOAT:
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, CONSTANTS.REFTYPE_FLOAT, "floatValue", "()F", false);
 			break;
-		case "java/lang/Double":
-			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Double", "doubleValue", "()D", false);
+		case CONSTANTS.REFTYPE_DOUBLE:
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, CONSTANTS.REFTYPE_DOUBLE, "doubleValue", "()D", false);
 			break;
 		case "java/lang/Character":
 			break;
@@ -1265,19 +1248,19 @@ public class BytecodeGenMethod implements StatementVisitor {

 	private void loadValue(String type, Object value, boolean isOperator) {
 		switch (type) {
-		case "java/lang/String":
+		case CONSTANTS.REFTYPE_STRING:
 			mv.visitLdcInsn(String.valueOf(value));
 			break;
 		case "java/lang/Boolean":
 			visitBooleanLiteral((Boolean) value);
 			break;
-		case "java/lang/Byte":
+		case CONSTANTS.REFTYPE_BYTE:
 			if(value instanceof Double)
 				visitByteLiteral(((Double) value).byteValue(), false);
 			if(value instanceof Integer)
 				visitByteLiteral(((Integer) value).byteValue(), false);
 			break;
-		case "java/lang/Short":
+		case CONSTANTS.REFTYPE_SHORT:
 			if(value instanceof Double)
 				visitShortLiteral(((Double) value).shortValue(), false);
 			if(value instanceof Integer)
@@ -1291,19 +1274,19 @@ public class BytecodeGenMethod implements StatementVisitor {
 			if(value instanceof Integer)
 				visitIntegerLiteral(((Integer) value).intValue(), false);
 			break;
-		case "java/lang/Long":
+		case CONSTANTS.REFTYPE_LONG:
 			if(value instanceof Double)
 				visitLongLiteral(((Double) value).longValue(), true);
 			if(value instanceof Integer)
 				visitLongLiteral(((Integer) value).longValue(), true);
 			break;
-		case "java/lang/Float":
+		case CONSTANTS.REFTYPE_FLOAT:
 			if(value instanceof Double)
 				visitFloatLiteral(((Double) value).floatValue());
 			if(value instanceof Integer)
 				visitFloatLiteral(((Integer) value).floatValue());
 			break;
-		case "java/lang/Double":
+		case CONSTANTS.REFTYPE_DOUBLE:
 			if(value instanceof Double)
 				visitDoubleLiteral((Double) value);
 			if(value instanceof Integer)
@@ -1319,7 +1302,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 			break;
 		}
 		// Boxing
-		if (!type.equals("java/lang/String") && !type.equals("java/lang/Boolean")) {
+		if (!type.equals(CONSTANTS.REFTYPE_STRING) && !type.equals("java/lang/Boolean")) {
 			if (!this.isBinaryExp && !isOperator)
 				doBoxing(type);
 		}
@@ -1329,30 +1312,30 @@ public class BytecodeGenMethod implements StatementVisitor {
 	// Boxing: prim -> RefType
 	public void doBoxing(String type) {
 		switch (type) {
-		case "java/lang/String":
-			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;",
-					false);
-			break;
+//		case "java/lang/String":
+//			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;",
+//					false);
+//			break;
 		case "java/lang/Boolean":
 			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;", false);
 			break;
-		case "java/lang/Byte":
-			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;", false);
+		case CONSTANTS.REFTYPE_BYTE:
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, CONSTANTS.REFTYPE_BYTE, "valueOf", "(B)Ljava/lang/Byte;", false);
 			break;
-		case "java/lang/Short":
-			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;", false);
+		case CONSTANTS.REFTYPE_SHORT:
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, CONSTANTS.REFTYPE_SHORT, "valueOf", "(S)Ljava/lang/Short;", false);
 			break;
 		case "java/lang/Integer":
 			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;", false);
 			break;
-		case "java/lang/Long":
-			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false);
+		case CONSTANTS.REFTYPE_LONG:
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, CONSTANTS.REFTYPE_LONG, "valueOf", "(J)Ljava/lang/Long;", false);
 			break;
-		case "java/lang/Float":
-			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;", false);
+		case CONSTANTS.REFTYPE_FLOAT:
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, CONSTANTS.REFTYPE_FLOAT, "valueOf", "(F)Ljava/lang/Float;", false);
 			break;
-		case "java/lang/Double":
-			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;", false);
+		case CONSTANTS.REFTYPE_DOUBLE:
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, CONSTANTS.REFTYPE_DOUBLE, "valueOf", "(D)Ljava/lang/Double;", false);
 			break;
 		case "java/lang/Character":
 			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;",
@@ -1449,7 +1432,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 			//TODO: teste, ob man das für unary braucht
 			if (isBinaryExp) {
 				BinaryExpr binary = (BinaryExpr) al;
-				String binaryType = getResolvedType(binary.getType());
+				String binaryType = resolver.getResolvedType(binary.getType());
 				doBoxing(binaryType);
 			}
 			statement = null;
@@ -1475,8 +1458,8 @@ public class BytecodeGenMethod implements StatementVisitor {
 		fDesc +=";";

 		
-		System.out.println("Receiver = " + getResolvedType(assignLeftSide.field.receiver.getType()));
-		mv.visitFieldInsn(Opcodes.PUTFIELD, getResolvedType(assignLeftSide.field.receiver.getType()),
+		System.out.println("Receiver = " + resolver.getResolvedType(assignLeftSide.field.receiver.getType()));
+		mv.visitFieldInsn(Opcodes.PUTFIELD, resolver.getResolvedType(assignLeftSide.field.receiver.getType()),
 				assignLeftSide.field.fieldVarName, fDesc);
 	}

--- a/src/main/java/de/dhbwstuttgart/bytecode/TPHExtractor.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/TPHExtractor.java
@@ -15,7 +15,10 @@ import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
 import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
+import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
+import de.dhbwstuttgart.bytecode.utilities.Resolver;
 import de.dhbwstuttgart.syntaxtree.AbstractASTWalker;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.Constructor;
 import de.dhbwstuttgart.syntaxtree.Field;
 import de.dhbwstuttgart.syntaxtree.FormalParameter;
@@ -38,16 +41,18 @@ import de.dhbwstuttgart.typeinference.result.ResultSet;
 public class TPHExtractor extends AbstractASTWalker {
 	// Alle TPHs der Felder werden iKopf der Klasse definiert
 	// alle TPHs der Klasse: (TPH, is in Method?)
-	final HashMap<String, Boolean> allTPHS = new HashMap<>();
+	public final HashMap<String, Boolean> allTPHS = new HashMap<>();
+	public final List<String> tphsClass = new ArrayList<>();
 	MethodAndTPH methodAndTph;

 	Boolean inMethod = false;
-	boolean inLocalOrParam = false;
+	boolean inLocalOrParamOrReturn = false;

 	public final ArrayList<MethodAndTPH> ListOfMethodsAndTph = new ArrayList<>();
 	final ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> allPairs = new ArrayList<>();
 	public final ArrayList<TPHConstraint> allCons = new ArrayList<>();
 	private ResultSet resultSet;
+	private Resolver resolver;

 	public TPHExtractor() {

@@ -55,16 +60,30 @@ public class TPHExtractor extends AbstractASTWalker {

 	public void setResultSet(ResultSet resultSet) {
 		this.resultSet = resultSet;
+		this.resolver = new Resolver(resultSet);
 	}

+	public Resolver getResolver() {
+		return resolver;
+	}
+	
+//	@Override
+//	public void visit(ClassOrInterface classOrInterface) {
+//		inMethod = false;
+//		classOrInterface.getfieldInitializations().ifPresent(c->c.block.accept(this));
+//		super.visit(classOrInterface);
+//		inMethod = true;
+//	}
 	@Override
 	public void visit(TypePlaceholder tph) {
 		if (resultSet.resolveType(tph).resolvedType instanceof TypePlaceholder) {
 			TypePlaceholder resolvedTPH = (TypePlaceholder) resultSet.resolveType(tph).resolvedType;
 			if (inMethod) {
 				methodAndTph.getTphs().add(resolvedTPH.getName());
-				if (inLocalOrParam)
+				if (inLocalOrParamOrReturn)
 					methodAndTph.getLocalTphs().add(resolvedTPH.getName());
+			}else {
+				tphsClass.add(resolvedTPH.getName());
 			}

 			allTPHS.put(resolvedTPH.getName(), inMethod);
@@ -98,7 +117,7 @@ public class TPHExtractor extends AbstractASTWalker {
 					if (inMethod)
 						methodAndTph.getPairs().add(ag);
 					allPairs.add(ag);
-					TPHConstraint con = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName(), Relation.EXTENDS);
+					TPHConstraint con = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName());
 					if(!containsConstraint(allCons,con))
 						allCons.add(con);
 //				}
@@ -111,7 +130,7 @@ public class TPHExtractor extends AbstractASTWalker {

 	private static boolean containsConstraint(ArrayList<TPHConstraint> allCons, TPHConstraint c) {
 		for(TPHConstraint con:allCons) {
-			if(c.getLeft().equals(con.getLeft()) && c.getRight().equals(c.getRight())) {
+			if(c.getLeft().equals(con.getLeft()) && c.getRight().equals(con.getRight())) {
 				return true;
 			}
 		}
@@ -134,9 +153,11 @@ public class TPHExtractor extends AbstractASTWalker {
 	public void visit(GenericRefType genericRefType) {
 		String name = genericRefType.getParsedName();
 		if (inMethod) {
-			methodAndTph.getLocalTphs().add(name);
-			if (inLocalOrParam)
+			methodAndTph.getTphs().add(name);
+			if (inLocalOrParamOrReturn)
 				methodAndTph.getLocalTphs().add(name);
+		}else {
+			tphsClass.add(name);
 		}
 		allTPHS.put(name, inMethod);
 	}
@@ -153,8 +174,17 @@ public class TPHExtractor extends AbstractASTWalker {
 	@Override
 	public void visit(Method method) {
 		inMethod = true;
-		methodAndTph = new MethodAndTPH(method.name);
-		super.visit(method);
+		String id = MethodUtility.createID(resolver,method);
+		methodAndTph = new MethodAndTPH(id);
+
+		inLocalOrParamOrReturn = true;
+		method.getReturnType().accept(this);
+        method.getParameterList().accept(this);
+        inLocalOrParamOrReturn = false;
+        
+        if(method.block != null)
+            method.block.accept(this);
+		
 		inMethod = false;
 		ListOfMethodsAndTph.add(methodAndTph);
 	}
@@ -162,29 +192,32 @@ public class TPHExtractor extends AbstractASTWalker {
 	@Override
 	public void visit(Constructor cons) {
 		inMethod = false;
-		super.visit(cons);
+		//super.visit(cons);
+		cons.getParameterList().accept(this);
+		if(cons.block != null)
+			cons.block.accept(this);
 		inMethod = true;
 	}

 	@Override
 	public void visit(LocalVarDecl localVarDecl) {
-		inLocalOrParam = true;
+//		inLocalOrParamOrReturn = inMethod;
 		super.visit(localVarDecl);
-		inLocalOrParam = false;
+//		inLocalOrParamOrReturn = false;
 	}

 	@Override
 	public void visit(LocalVar localVar) {
-		inLocalOrParam = true;
+//		inLocalOrParamOrReturn = inMethod;
 		super.visit(localVar);
-		inLocalOrParam = false;
+//		inLocalOrParamOrReturn = false;
 	}

 	@Override
 	public void visit(ParameterList formalParameters) {
-		inLocalOrParam = true;
+		inLocalOrParamOrReturn = inMethod;
 		super.visit(formalParameters);
-		inLocalOrParam = false;
+		inLocalOrParamOrReturn = false;
 	}

 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/constraint/EqualConstraint.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/constraint/EqualConstraint.java
@@ -2,8 +2,8 @@ package de.dhbwstuttgart.bytecode.constraint;

 public class EqualConstraint extends TPHConstraint {

-	public EqualConstraint(String left, String right, Relation rel) {
-		super(left, right, rel);
+	public EqualConstraint(String left, String right) {
+		super(left, right, Relation.EQUAL);
 	}

 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/constraint/ExtendsConstraint.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/constraint/ExtendsConstraint.java
@@ -2,8 +2,8 @@ package de.dhbwstuttgart.bytecode.constraint;

 public class ExtendsConstraint extends TPHConstraint {

-	public ExtendsConstraint(String left, String right, Relation rel) {
-		super(left, right, rel);
+	public ExtendsConstraint(String left, String right) {
+		super(left, right, Relation.EXTENDS);
 	}

 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/constraint/TPHConstraint.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/constraint/TPHConstraint.java
@@ -44,6 +44,10 @@ public class TPHConstraint {
 		return left.equals(tph)||right.equals(tph);
 	}
 	
+	public boolean equalConstraint(TPHConstraint constraint) {
+		return rel == constraint.getRel() && left.equals(constraint.getLeft()) && right.equals(constraint.getRight());
+	}
+	
 	@Override
 	public String toString() {
 		if(rel == Relation.EXTENDS) {
--- a/src/main/java/de/dhbwstuttgart/bytecode/descriptor/DescriptorToString.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/descriptor/DescriptorToString.java
@@ -3,29 +3,27 @@ package de.dhbwstuttgart.bytecode.descriptor;
 import java.util.HashMap;
 import java.util.Iterator;

+import de.dhbwstuttgart.bytecode.utilities.*;
+import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
 import org.objectweb.asm.Type;

-import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
-import de.dhbwstuttgart.bytecode.utilities.Lambda;
-import de.dhbwstuttgart.bytecode.utilities.MethodFromMethodCall;
-import de.dhbwstuttgart.bytecode.utilities.NormalConstructor;
-import de.dhbwstuttgart.bytecode.utilities.NormalMethod;
-import de.dhbwstuttgart.bytecode.utilities.SamMethod;
 import de.dhbwstuttgart.syntaxtree.FormalParameter;
 import de.dhbwstuttgart.syntaxtree.statement.Expression;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.typeinference.result.ResultSet;

-public class DescriptorToString implements DescriptorVisitor{
+public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
 	ResultSet resultSet;
-	
+
+	public DescriptorToString() {
+	}
+
 	public DescriptorToString(ResultSet resultSet) {
 		this.resultSet = resultSet;
 	}
 	
 	private String addReturnType(String desc, RefTypeOrTPHOrWildcardOrGeneric returnType, ResultSet resultSet) {
-		if(resultSet.resolveType(returnType).resolvedType.toString().equals("void")){
+		if(resultSet.resolveType(returnType).resolvedType.toString().equals(CONSTANTS.VOID)){
 			desc = desc + ")V";
 		}else {
 			desc = desc + ")" + "L"+resultSet.resolveType(returnType).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
@@ -53,7 +51,7 @@ public class DescriptorToString implements DescriptorVisitor{
 				}else {
 //					desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
 					String resType = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
-					if(resType.contains("TPH ")/*resType.subSequence(0, 4).equals("TPH ")*/) {
+					if(resType.contains(CONSTANTS.TPH)/*resType.subSequence(0, 4).equals("TPH ")*/) {
 						// Bound ist immer Object
 						desc += "L"+Type.getInternalName(Object.class)+ ";";
 					} else {
@@ -71,15 +69,15 @@ public class DescriptorToString implements DescriptorVisitor{
 				}
 			}
 			//TODO: generate a class java%% ... %%
-			else if(resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()).contains("<")){
-				desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.toString().replace(".", "$$").replace("<", "$$$").replace(">", "$$$")+ ";";
+			else if(resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()).contains(CONSTANTS.ANGLEBRACKET)){
+				desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.toString().replace(".", "$$").replace(CONSTANTS.ANGLEBRACKET, "$$$").replace(">", "$$$")+ ";";
 			}
 			else {
 				desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
 			}
 		}
 		
-		if(resultSet.resolveType(method.getReturnType()).resolvedType.toString().equals("void")) {
+		if(resultSet.resolveType(method.getReturnType()).resolvedType.toString().equals(CONSTANTS.VOID)) {
 			desc += ")V";
 		}else {
 			if(method.hasGen()) {
@@ -90,7 +88,7 @@ public class DescriptorToString implements DescriptorVisitor{
 					desc += ")L"+method.getGenericsAndBounds().get(ret)+ ";";
 				}else {
 					String resType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
-					if(resType.contains("TPH ")/*resType.subSequence(0, 4).equals("TPH ")*/) {
+					if(resType.contains(CONSTANTS.TPH)/*resType.subSequence(0, 4).equals("TPH ")*/) {
 //						desc += ")" + "L"+method.getGenericsAndBoundsMethod().get(resType.substring(4)+"$")+ ";";
 						desc += ")" + "L"+Type.getInternalName(Object.class)+ ";";
 					} else {
@@ -139,7 +137,7 @@ public class DescriptorToString implements DescriptorVisitor{
 				}else {
 //					desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
 					String resType = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
-					if(resType.subSequence(0, 4).equals("TPH ")) {
+					if(resType.subSequence(0, 4).equals(CONSTANTS.TPH)) {
 						// Bound ist immer Object
 						desc += "L"+Type.getInternalName(Object.class)+ ";";
 					} else {
@@ -162,7 +160,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		while(itr.hasNext()) {
 			FormalParameter fp = itr.next();
 			String d = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
-			if(d.contains("TPH ") ||d.contains("<")) {
+			if(d.contains(CONSTANTS.TPH) ||d.contains(CONSTANTS.ANGLEBRACKET)) {
 				desc += "L"+Type.getInternalName(Object.class)+ ";";
 			}else {
 				desc = desc + "L"+ d + ";";
@@ -171,7 +169,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		
 		String retType = resultSet.resolveType(lambdaExpression.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
 		
-		if(retType.contains("TPH ")|| retType.contains("<")){
+		if(retType.contains(CONSTANTS.TPH)|| retType.contains(CONSTANTS.ANGLEBRACKET)){
 			desc += ")L"+Type.getInternalName(Object.class)+ ";";
 		}else {
 			desc = desc + ")"+"L"+retType+";";
@@ -187,7 +185,7 @@ public class DescriptorToString implements DescriptorVisitor{
 			RefTypeOrTPHOrWildcardOrGeneric rt = itr.next();
 			String d = resultSet.resolveType(rt).resolvedType.acceptTV(new TypeToDescriptor());
 			
-			if(d.contains("TPH ") ||d.contains("<")) {
+			if(d.contains(CONSTANTS.TPH) ||d.contains(CONSTANTS.ANGLEBRACKET)) {
 				desc += "L"+Type.getInternalName(Object.class)+ ";";
 			}else {
 				desc += "L"+ d + ";";
@@ -196,7 +194,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		}
 		String retType = resultSet.resolveType(samMethod.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
 		
-		if(retType.contains("TPH ")|| retType.contains("<")){
+		if(retType.contains(CONSTANTS.TPH)|| retType.contains(CONSTANTS.ANGLEBRACKET)){
 			desc += ")L"+Type.getInternalName(Object.class)+ ";";
 		}else {
 			desc = desc + ")"+"L"+retType+";";
@@ -210,7 +208,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		for(Expression e : methodFromMethodCall.getArgList().getArguments()) {
 			String d = resultSet.resolveType(e.getType()).resolvedType.acceptTV(new TypeToDescriptor());
 			
-			if(d.contains("TPH ") ||d.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")) {
+			if(d.contains(CONSTANTS.TPH) ||d.contains(CONSTANTS.ANGLEBRACKET) || methodFromMethodCall.getReceiverName().contains("$$")) {
 				desc += "L"+Type.getInternalName(Object.class)+ ";";
 			}else {
 				if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(d)) {
@@ -225,9 +223,9 @@ public class DescriptorToString implements DescriptorVisitor{
 		}
 		String retType = resultSet.resolveType(methodFromMethodCall.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
 		System.out.println("DescriptorToString retType = " + retType);
-		if(retType.equals("void")) {
+		if(retType.equals(CONSTANTS.VOID)) {
 			desc += ")V";
-		}else if(retType.contains("TPH ")|| retType.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")){
+		}else if(retType.contains(CONSTANTS.TPH)|| retType.contains(CONSTANTS.ANGLEBRACKET) || methodFromMethodCall.getReceiverName().contains("$$")){
 			desc += ")L"+Type.getInternalName(Object.class)+ ";";
 		}else {
 			if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(retType)) {
@@ -241,5 +239,21 @@ public class DescriptorToString implements DescriptorVisitor{
 //		desc = addReturnType(desc, methodFromMethodCall.getReturnType(), resultSet);
 		return desc;
 	}
-	
+
+	@Override
+	public String createDescForFunN(ArgumentList argumentList, String returnType) {
+		Iterator<Expression> itr1 = argumentList.getArguments().iterator();
+		String methDesc = "(";
+		while(itr1.hasNext()) {
+			methDesc += "L" + Type.getInternalName(Object.class) + ";";
+			itr1.next();
+		}
+		if (returnType.equals(CONSTANTS.VOID)){
+			methDesc += ")V";
+		} else {
+			methDesc += ")L" + Type.getInternalName(Object.class) + ";";
+		}
+		return methDesc;
+	}
+
 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/descriptor/DescriptorVisitor.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/descriptor/DescriptorVisitor.java
@@ -5,11 +5,13 @@ import de.dhbwstuttgart.bytecode.utilities.MethodFromMethodCall;
 import de.dhbwstuttgart.bytecode.utilities.NormalConstructor;
 import de.dhbwstuttgart.bytecode.utilities.NormalMethod;
 import de.dhbwstuttgart.bytecode.utilities.SamMethod;
+import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;

 public interface DescriptorVisitor {
-	public String visit(NormalMethod method);
-	public String visit(NormalConstructor constructor);
-	public String visit(Lambda lambdaExpression);
-	public String visit(SamMethod samMethod);
-	public String visit(MethodFromMethodCall methodFromMethodCall);
+	String visit(NormalMethod method);
+	String visit(NormalConstructor constructor);
+	String visit(Lambda lambdaExpression);
+	String visit(SamMethod samMethod);
+	String visit(MethodFromMethodCall methodFromMethodCall);
+	String createDescForFunN(ArgumentList argumentList, String returnType);
 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/ConstraintsSimplierResult.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/ConstraintsSimplierResult.java
@@ -0,0 +1,53 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGenerator;
+
+import java.util.List;
+
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.NameReplacementResult;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
+
+/**
+ * This class represents the result of the constraints simplifier.
+ * 
+ * @author fayez
+ *
+ */
+public class ConstraintsSimplierResult {
+	private List<GenericsGeneratorResult> genericsGenResults;
+	private List<NameReplacementResult> nameReplacementResults;
+	/**
+	 * @param genericsGenResults
+	 */
+	public ConstraintsSimplierResult(List<GenericsGeneratorResult> genericsGenResults, 
+			List<NameReplacementResult> nameReplacementResults) {
+		this.genericsGenResults = genericsGenResults;
+		this.setNameReplacementResults(nameReplacementResults);
+	}
+	/**
+	 * @return the genericsGenResults
+	 */
+	public List<GenericsGeneratorResult> getGenericsGenResults() {
+		return genericsGenResults;
+	}
+	/**
+	 * @param genericsGenResults the genericsGenResults to set
+	 */
+	public void setGenericsGenResults(List<GenericsGeneratorResult> genericsGenResults) {
+		this.genericsGenResults = genericsGenResults;
+	}
+	/**
+	 * @return the nameReplacementResults
+	 */
+	public List<NameReplacementResult> getNameReplacementResults() {
+		return nameReplacementResults;
+	}
+	/**
+	 * @param nameReplacementResults the nameReplacementResults to set
+	 */
+	public void setNameReplacementResults(List<NameReplacementResult> nameReplacementResults) {
+		this.nameReplacementResults = nameReplacementResults;
+	}
+	
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/ConstraintsSimplifier.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/ConstraintsSimplifier.java
@@ -0,0 +1,137 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGenerator;
+
+import java.util.*;
+
+import de.dhbwstuttgart.bytecode.TPHExtractor;
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.*;
+
+/**
+ * @author fayez
+ *
+ */
+public class ConstraintsSimplifier {
+	public static ConstraintsSimplierResult simplifyConstraints(final TPHExtractor tphExtractor, final List<GenericsGeneratorResult> genericsGeneratorResults, final List<String> tphsClass) {
+		
+		List<TPHConstraint> allCons = tphExtractor.allCons;
+		List<TPHConstraint> equalCons = new ArrayList<>();
+
+		/* Step 1 */
+		List<ConstraintsWithSameLeftSide> foundCons = GenericsGeneratorUtility.findConstraintsWithLeftSameLeftSide(allCons);
+		if(!foundCons.isEmpty()) {
+			List<TPHConstraint> equalCons2 = new ArrayList<>();
+			GenericsGeneratorUtility.simplifyConstraintsWithSameLeftSide(foundCons,tphExtractor,tphsClass,equalCons2);
+			equalCons.addAll(equalCons2);
+		}
+		
+//		if(!simpleCycles.isEmpty()) {
+//			handleSimpleCycles(allCons, simpleCycles,tphExtractor);
+//			equalCons.addAll(GenericsGeneratorUtility.getEqualConstraints(allCons));
+//		}
+//		
+		List<Cycle> cycles = findCycles(allCons);
+		
+		if(!cycles.isEmpty()) {
+			handleCycle(genericsGeneratorResults, allCons, cycles,tphExtractor);
+		}
+		/* The right hand side of equal constraint is the new name in name replacement result */
+		List<NameReplacementResult> nameReplacementResults = GenericsGeneratorUtility.createNameReplacementResultsFromEqualConstraints(equalCons);
+		getEqualsFromNameReplacementResults(genericsGeneratorResults,nameReplacementResults);
+		ConstraintsSimplierResult result = new ConstraintsSimplierResult(genericsGeneratorResults, nameReplacementResults);
+		return result;
+	}
+
+	private static void getEqualsFromNameReplacementResults(List<GenericsGeneratorResult> genericsGeneratorResults,
+			List<NameReplacementResult> nameReplacementResults) {
+		genericsGeneratorResults.forEach(g->{
+			String tph = g.getConstraint().getLeft();
+			if (!nameReplacementResults.isEmpty()) {
+				collectAllEquals(nameReplacementResults, g, tph);
+			}
+
+			if (!nameReplacementResults.isEmpty()) {
+				collectAllEquals(nameReplacementResults, g);
+			}
+		});
+		
+	}
+
+	private static void collectAllEquals(List<NameReplacementResult> nameReplacementResults, GenericsGeneratorResult g) {
+		Set<String> equalsTPHs = g.getEqualsTPHs();
+		Set<String> tphsToAdd = getAllEqualTphs(equalsTPHs, nameReplacementResults);
+		while (!tphsToAdd.isEmpty()){
+			equalsTPHs.addAll(tphsToAdd);
+			tphsToAdd = getAllEqualTphs(equalsTPHs, nameReplacementResults);
+		}
+	}
+
+	private static Set<String> getAllEqualTphs(Set<String> equalsTPHs, List<NameReplacementResult> nameReplacementResults) {
+		Set<String> tphsToAdd = new HashSet<>();
+		equalsTPHs.forEach(e->{
+			collectAllEquals(nameReplacementResults, tphsToAdd,e);
+		});
+		return tphsToAdd;
+	}
+
+	public static void collectAllEquals(List<NameReplacementResult> nameReplacementResults, Set<String> tphsToAdd,
+										String tph) {
+		List<NameReplacementResult> toRemoveList = new ArrayList<>();
+		Optional<NameReplacementResult> nameReplacementResult = nameReplacementResults.stream().filter(n->n.getName().equals(tph)).findFirst();
+		nameReplacementResult.ifPresent(toRemove->{
+			tphsToAdd.addAll(toRemove.getOldNames());
+			toRemoveList.add(toRemove);
+		});
+		if(!toRemoveList.isEmpty()){
+			nameReplacementResults.remove(toRemoveList.get(0));
+			toRemoveList.clear();
+		}
+	}
+
+	/**
+	 * @param nameReplacementResults
+	 * @param g
+	 * @param tph
+	 */
+	public static void collectAllEquals(List<NameReplacementResult> nameReplacementResults, GenericsGeneratorResult g,
+			String tph) {
+		List<NameReplacementResult> toRemoveList = new ArrayList<>();
+		Optional<NameReplacementResult> nameReplacementResult = nameReplacementResults.stream().filter(n->n.getName().equals(tph)).findFirst();
+		nameReplacementResult.ifPresent(toRemove->{
+			g.getEqualsTPHs().addAll(toRemove.getOldNames());
+			toRemoveList.add(toRemove);
+		});
+		if(!toRemoveList.isEmpty()){
+			nameReplacementResults.remove(toRemoveList.get(0));
+			toRemoveList.clear();
+		}
+	}
+
+	/**
+	 * @param genericsGeneratorResults
+	 * @param allCons
+	 * @param cycles
+	 * @param tphExtractor 
+	 */
+	public static void handleCycle(List<GenericsGeneratorResult> genericsGeneratorResults,
+								   List<TPHConstraint> allCons, List<Cycle> cycles, TPHExtractor tphExtractor) {
+		GenericsGeneratorUtility.modifyRelationForConstraintsInCycle(cycles);
+		List<NameReplacementResult> nameReplacementResults = GenericsGeneratorUtility.substituteTPHSFormCycle(allCons, cycles,tphExtractor);
+		GenericsGeneratorUtility.createResults(genericsGeneratorResults,nameReplacementResults);
+		GenericsGeneratorUtility.removeEqualConstraints(allCons);
+	}
+
+	/**
+	 * @param allCons
+	 * @return
+	 */
+	public static List<Cycle> findCycles(List<TPHConstraint> allCons) {
+		/* find all cycles */
+		CyclesFinder cyclesFinder = new CyclesFinder(allCons);
+		List<Cycle> cycles = cyclesFinder.findCycles();
+		return cycles;
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/CyclesFinder.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/CyclesFinder.java
@@ -0,0 +1,106 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGenerator;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Optional;
+
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.Cycle;
+
+/**
+ * @author fayez
+ *
+ */
+public class CyclesFinder {
+	private final List<TPHConstraint> allCons;
+
+	public CyclesFinder(List<TPHConstraint> allCons) {
+		this.allCons = allCons;
+	}
+
+	public List<Cycle> findCycles() {
+		List<TPHConstraint> vistedConstraints = new ArrayList<>(allCons.size());
+		List<Cycle> cycles = new ArrayList<>();
+		for (TPHConstraint constraint : allCons) {
+			if(constraint.getRel()==Relation.EQUAL)
+				continue;
+			if (!vistedConstraints.contains(constraint)) {
+				vistedConstraints.add(constraint);
+				checkConstraint(constraint, vistedConstraints, cycles);
+			}
+		}
+		return cycles;
+	}
+
+	private void checkConstraint(TPHConstraint constraint, List<TPHConstraint> vistedConstraints,
+			List<Cycle> cycles) {
+		List<String> tphsInRelation = new LinkedList<>();
+		List<TPHConstraint> maybeCycle = new ArrayList<>();
+		maybeCycle.add(constraint);
+		tphsInRelation.add(constraint.getLeft());
+		tphsInRelation.add(constraint.getRight());
+		Optional<TPHConstraint> nextConstraint = getConstraintInRelation(tphsInRelation, maybeCycle);
+		while (nextConstraint.isPresent()) {
+			if(containsInLongCycle(nextConstraint.get(), cycles)) {
+				break;
+			}
+			if (isCycle(tphsInRelation)) {
+				addAllToVisitedConstraints(vistedConstraints, maybeCycle);
+				Cycle cycle = new Cycle(maybeCycle);
+				cycles.add(cycle);
+				return;
+			}
+			nextConstraint = getConstraintInRelation(tphsInRelation, maybeCycle);
+		}
+
+//		addAllToVisitedConstraints(vistedConstraints, maybeCycle);
+	}
+
+	private boolean containsInLongCycle(TPHConstraint c, List<Cycle> cycles) {
+		for(Cycle cycle : cycles) {
+			if(cycle.containConstraint(c))
+				return true;
+		}
+		return false;
+	}
+
+	private void addAllToVisitedConstraints(List<TPHConstraint> vistedConstraints, List<TPHConstraint> maybeCycle) {
+		for (TPHConstraint con : maybeCycle) {
+			if (!vistedConstraints.contains(con))
+				vistedConstraints.add(con);
+		}
+	}
+
+	private Optional<TPHConstraint> getConstraintInRelation(List<String> tphsInRelation,
+			List<TPHConstraint> maybeCycle) {
+		TPHConstraint constraint = getConstraintByLeftSide(tphsInRelation.get(tphsInRelation.size()-1),maybeCycle);
+		Optional<TPHConstraint> nextConstraint = Optional.ofNullable(constraint);
+		if(nextConstraint.isPresent()) {
+			maybeCycle.add(constraint);
+			tphsInRelation.add(constraint.getRight());
+		}
+		return nextConstraint;
+	}
+
+	private TPHConstraint getConstraintByLeftSide(String left, List<TPHConstraint> maybeCycle) {
+		for(TPHConstraint constraint : allCons) {
+			if(constraint.getRel()==Relation.EQUAL)
+				continue;
+			if(maybeCycle.contains(constraint))
+				continue;
+			if(constraint.getLeft().equals(left))
+				return constraint;
+		}
+		return null;
+	}
+
+	private boolean isCycle(List<String> tphsInRelation) {
+		return tphsInRelation.get(0).equals(tphsInRelation.get(tphsInRelation.size() - 1));
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/GeneratedGenericsFinder.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/GeneratedGenericsFinder.java
@@ -0,0 +1,674 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGenerator;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Optional;
+
+import de.dhbwstuttgart.bytecode.TPHExtractor;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResultForClass;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.MethodAndConstraints;
+import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
+import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
+import de.dhbwstuttgart.bytecode.utilities.Resolver;
+import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
+import de.dhbwstuttgart.syntaxtree.ASTVisitor;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.Constructor;
+import de.dhbwstuttgart.syntaxtree.Field;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
+import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.ParameterList;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
+import de.dhbwstuttgart.syntaxtree.statement.Assign;
+import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
+import de.dhbwstuttgart.syntaxtree.statement.BinaryExpr;
+import de.dhbwstuttgart.syntaxtree.statement.Block;
+import de.dhbwstuttgart.syntaxtree.statement.CastExpr;
+import de.dhbwstuttgart.syntaxtree.statement.DoStmt;
+import de.dhbwstuttgart.syntaxtree.statement.EmptyStmt;
+import de.dhbwstuttgart.syntaxtree.statement.ExpressionReceiver;
+import de.dhbwstuttgart.syntaxtree.statement.FieldVar;
+import de.dhbwstuttgart.syntaxtree.statement.ForStmt;
+import de.dhbwstuttgart.syntaxtree.statement.IfStmt;
+import de.dhbwstuttgart.syntaxtree.statement.InstanceOf;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import de.dhbwstuttgart.syntaxtree.statement.Literal;
+import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
+import de.dhbwstuttgart.syntaxtree.statement.LocalVarDecl;
+import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
+import de.dhbwstuttgart.syntaxtree.statement.NewArray;
+import de.dhbwstuttgart.syntaxtree.statement.NewClass;
+import de.dhbwstuttgart.syntaxtree.statement.Return;
+import de.dhbwstuttgart.syntaxtree.statement.ReturnVoid;
+import de.dhbwstuttgart.syntaxtree.statement.StaticClassName;
+import de.dhbwstuttgart.syntaxtree.statement.Super;
+import de.dhbwstuttgart.syntaxtree.statement.SuperCall;
+import de.dhbwstuttgart.syntaxtree.statement.This;
+import de.dhbwstuttgart.syntaxtree.statement.UnaryExpr;
+import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
+import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+
+/**
+ * @author fayez
+ *
+ */
+public class GeneratedGenericsFinder implements ASTVisitor {
+	private final TPHExtractor tphExtractor = new TPHExtractor();
+	private Collection<ResultSet> listOfResultSets;
+	private SourceFile sf;
+	private List<String> tphsClass;
+	private GenericGenratorResultForSourceFile generatedGenericsForSF;
+	private ResultSet resultSet;
+	private final List<String> methodNameAndParamsT = new ArrayList<>();
+	
+	private String pkgName;
+	private String className;
+	private Resolver resolver;
+
+	/**
+	 * @param sf
+	 * @param listOfResultSets
+	 */
+	public GeneratedGenericsFinder(SourceFile sf, Collection<ResultSet> listOfResultSets) {
+		this.sf = sf;
+		this.listOfResultSets = listOfResultSets;
+	}
+
+	public GenericGenratorResultForSourceFile findGeneratedGenerics() {
+		sf.accept(this);
+		return generatedGenericsForSF;
+	}
+	
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * SourceFile)
+	 */
+	@Override
+	public void visit(SourceFile sourceFile) {
+		pkgName = sf.getPkgName();
+		generatedGenericsForSF = new GenericGenratorResultForSourceFile(pkgName);
+		for (ClassOrInterface cl : sourceFile.getClasses()) {
+			cl.accept(this);
+		}
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * ClassOrInterface)
+	 */
+	@Override
+	public void visit(ClassOrInterface classOrInterface) {
+		className = classOrInterface.getClassName().toString();
+		List<ResultSet> listOfResultSetsList = new ArrayList<>(listOfResultSets);
+		
+		boolean isVisited = false;
+		
+		ConstraintsSimplierResult simplifiedConstraints = null;
+		GenericsGeneratorResultForClass ggResult = null;
+		
+		for (int i = 0; i < listOfResultSetsList.size(); i++) {
+			resultSet = listOfResultSetsList.get(i);
+			tphExtractor.setResultSet(resultSet);
+			resolver = new Resolver(resultSet);
+			classOrInterface.accept(tphExtractor);
+			tphsClass = tphExtractor.tphsClass;
+			simplifiedConstraints = GenericsGenerator.simplifyConstraints(tphExtractor, tphsClass);
+			if(!isVisited) {
+				ggResult = GenericsGenerator.generateConstraints(className, tphExtractor, tphsClass,simplifiedConstraints);
+				isVisited = true;
+			}
+
+			for(Method m : classOrInterface.getMethods()) {
+				addMethodConstraints(simplifiedConstraints, ggResult, m);
+				
+			}
+			
+			if(ggResult != null)
+				generatedGenericsForSF.addGenericGeneratorResultClass(ggResult);
+			
+			
+		}
+
+	}
+
+	/**
+	 * @param simplifiedConstraints
+	 * @param ggResult
+	 * @param m
+	 */
+	public void addMethodConstraints(ConstraintsSimplierResult simplifiedConstraints,
+			GenericsGeneratorResultForClass ggResult, Method m) {
+		String id = MethodUtility.createID(resolver, m);
+		boolean isInGGResult = (ggResult != null) && ggResult.contains(id);
+		if(methodNameAndParamsT.contains(id) || isInGGResult)
+			return;
+		methodNameAndParamsT.add(id);
+		Optional<MethodAndTPH> methodAndTPH = GenericsGeneratorUtility.getMethodAndTphs(tphExtractor.ListOfMethodsAndTph,id);
+		methodAndTPH.ifPresent(mt->{
+			MethodAndConstraints methodConstraints = GenericsGenerator.generateConstraintsForMethod(tphExtractor.allCons, mt , simplifiedConstraints, tphsClass);
+			ggResult.getMethodsAndTheirConstraints().getMethodsAndConstraints().add(methodConstraints);
+		});
+	}
+	
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * Method)
+	 */
+	@Override
+	public void visit(Method method) {
+		
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * ParameterList)
+	 */
+	@Override
+	public void visit(ParameterList formalParameters) {
+		
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * Constructor)
+	 */
+	@Override
+	public void visit(Constructor field) {
+		
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.ArgumentList)
+	 */
+	@Override
+	public void visit(ArgumentList argumentList) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.LambdaExpression)
+	 */
+	@Override
+	public void visit(LambdaExpression lambdaExpression) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.Assign)
+	 */
+	@Override
+	public void visit(Assign assign) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.BinaryExpr)
+	 */
+	@Override
+	public void visit(BinaryExpr binary) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.Block)
+	 */
+	@Override
+	public void visit(Block block) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.CastExpr)
+	 */
+	@Override
+	public void visit(CastExpr castExpr) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.EmptyStmt)
+	 */
+	@Override
+	public void visit(EmptyStmt emptyStmt) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.FieldVar)
+	 */
+	@Override
+	public void visit(FieldVar fieldVar) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.ForStmt)
+	 */
+	@Override
+	public void visit(ForStmt forStmt) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.IfStmt)
+	 */
+	@Override
+	public void visit(IfStmt ifStmt) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.InstanceOf)
+	 */
+	@Override
+	public void visit(InstanceOf instanceOf) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.LocalVar)
+	 */
+	@Override
+	public void visit(LocalVar localVar) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.LocalVarDecl)
+	 */
+	@Override
+	public void visit(LocalVarDecl localVarDecl) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.MethodCall)
+	 */
+	@Override
+	public void visit(MethodCall methodCall) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.NewClass)
+	 */
+	@Override
+	public void visit(NewClass methodCall) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.NewArray)
+	 */
+	@Override
+	public void visit(NewArray newArray) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.Return)
+	 */
+	@Override
+	public void visit(Return aReturn) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.ReturnVoid)
+	 */
+	@Override
+	public void visit(ReturnVoid aReturn) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.StaticClassName)
+	 */
+	@Override
+	public void visit(StaticClassName staticClassName) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.Super)
+	 */
+	@Override
+	public void visit(Super aSuper) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.This)
+	 */
+	@Override
+	public void visit(This aThis) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.WhileStmt)
+	 */
+	@Override
+	public void visit(WhileStmt whileStmt) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.DoStmt)
+	 */
+	@Override
+	public void visit(DoStmt whileStmt) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.AssignToField)
+	 */
+	@Override
+	public void visit(AssignToField assignLeftSide) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.parser.
+	 * SyntaxTreeGenerator.AssignToLocal)
+	 */
+	@Override
+	public void visit(AssignToLocal assignLeftSide) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.SuperCall)
+	 */
+	@Override
+	public void visit(SuperCall superCall) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.ExpressionReceiver)
+	 */
+	@Override
+	public void visit(ExpressionReceiver expressionReceiver) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.UnaryExpr)
+	 */
+	@Override
+	public void visit(UnaryExpr unaryExpr) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
+	 * syntaxtree.statement.Literal)
+	 */
+	@Override
+	public void visit(Literal literal) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * GenericTypeVar)
+	 */
+	@Override
+	public void visit(GenericTypeVar genericTypeVar) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * FormalParameter)
+	 */
+	@Override
+	public void visit(FormalParameter formalParameter) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * GenericDeclarationList)
+	 */
+	@Override
+	public void visit(GenericDeclarationList genericTypeVars) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
+	 * Field)
+	 */
+	@Override
+	public void visit(Field field) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
+	 * .RefType)
+	 */
+	@Override
+	public void visit(RefType refType) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
+	 * .SuperWildcardType)
+	 */
+	@Override
+	public void visit(SuperWildcardType superWildcardType) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
+	 * .TypePlaceholder)
+	 */
+	@Override
+	public void visit(TypePlaceholder typePlaceholder) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
+	 * .ExtendsWildcardType)
+	 */
+	@Override
+	public void visit(ExtendsWildcardType extendsWildcardType) {
+		// TODO Auto-generated method stub
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
+	 * .GenericRefType)
+	 */
+	@Override
+	public void visit(GenericRefType genericRefType) {
+		// TODO Auto-generated method stub
+
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/GenericsGenerator.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/GenericsGenerator.java
@@ -0,0 +1,255 @@
+/**
+ *
+ */
+package de.dhbwstuttgart.bytecode.genericsGenerator;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.*;
+import org.objectweb.asm.Type;
+
+import de.dhbwstuttgart.bytecode.TPHExtractor;
+import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
+
+/**
+ * @author fayez
+ *
+ */
+public class GenericsGenerator {
+    /*TODO: When generating generics for a class if we have the following:
+       tphClass < tphMeth1 < tphMeth2
+       then we have to convert tphMeth1, tphMeth2  to tph class and generate the following
+       class constraints: tphClass < tphMeth1, tphMeth1 < tphMeth2, tphMeth2 < Object
+     */
+
+    public static GenericsGeneratorResultForClass generateConstraints(final String className, final TPHExtractor tphExtractor,
+                                                                      final List<String> tphsClass, final ConstraintsSimplierResult simplifiedConstraints) {
+
+        List<GenericsGeneratorResult> classConstraints = generateConstraintsForClass(tphExtractor,
+                simplifiedConstraints, tphsClass);
+//		GenericGeneratorResultsForAllMethods methodsAndConstraints = generateConstraintsForAllMethods(tphExtractor,
+//				simplifiedConstraints, tphsClass);
+        GenericGeneratorResultsForAllMethods methodsAndConstraints = new GenericGeneratorResultsForAllMethods(new ArrayList<>());
+
+        return new GenericsGeneratorResultForClass(className, classConstraints, methodsAndConstraints);
+    }
+
+
+    /**
+     * @param tphExtractor
+     * @param tphsClass
+     * @return
+     */
+    public static ConstraintsSimplierResult simplifyConstraints(final TPHExtractor tphExtractor,
+                                                                final List<String> tphsClass) {
+        final List<GenericsGeneratorResult> genericsGeneratorResults = new ArrayList<>();
+
+        ConstraintsSimplierResult simplifiedConstraints = ConstraintsSimplifier.simplifyConstraints(tphExtractor,
+                genericsGeneratorResults, tphsClass);
+        return simplifiedConstraints;
+    }
+
+
+    private static List<GenericsGeneratorResult> generateConstraintsForClass(final TPHExtractor tphExtractor,
+                                                                             final ConstraintsSimplierResult simplifiedConstraints, final List<String> tphsClass) {
+        final List<GenericsGeneratorResult> constraints = new ArrayList<>();
+
+        if (tphsClass.isEmpty())
+            return constraints;
+
+        final List<TPHConstraint> allCons = tphExtractor.allCons;
+
+        final Set<String> visitedTPHs = new HashSet<>();
+
+        final List<String> methodTPHs = tphExtractor.ListOfMethodsAndTph.stream().map(m -> m.getLocalTphs())
+                .flatMap(l -> l.stream()).collect(Collectors.toList());
+
+        createConstraintsForClassTphs(simplifiedConstraints, tphsClass, constraints, allCons, visitedTPHs, methodTPHs);
+
+        GenericsGeneratorUtility.addTPHsToClassTPHs(constraints, tphsClass);
+        GenericsGeneratorUtility.removeClassTPHsFromMethodTPHs(tphsClass, tphExtractor);
+
+        generateGGConstraintsForTPH(tphsClass, constraints, simplifiedConstraints);
+
+        return constraints;
+    }
+
+    private static void createConstraintsForClassTphs(ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass, List<GenericsGeneratorResult> constraints, List<TPHConstraint> allCons, Set<String> visitedTPHs, List<String> methodTPHs) {
+        List<String> classAndMethodTphs = new ArrayList<>(tphsClass);
+        classAndMethodTphs.addAll(methodTPHs);
+
+        for (String tph : tphsClass) {
+
+            if (visitedTPHs.contains(tph))
+                continue;
+
+            final LinkedList<String> tphsInRel = GenericsGeneratorUtility
+                    .createLinkedListForTPHsInRelationClass(allCons, tphsClass, methodTPHs, visitedTPHs, tph);
+
+            generateConstraintsForClassFromList(tphsInRel,simplifiedConstraints,classAndMethodTphs,constraints);
+        }
+    }
+
+    private static void generateConstraintsForClassFromList(LinkedList<String> tphsInRel, ConstraintsSimplierResult simplifiedConstraints, List<String> classAndMethodTphs, List<GenericsGeneratorResult> constraints) {
+
+        if(tphsInRel.isEmpty())
+            return;
+
+        List<GenericsGeneratorResult> resultConstraints = new ArrayList<>();
+        String subType = tphsInRel.getFirst();
+        String superType = GenericsGeneratorUtility.getNextClassTph(classAndMethodTphs, tphsInRel);
+
+        int idxOfSuper = tphsInRel.indexOf(superType);
+        int size = tphsInRel.size();
+        while (size > 2 && idxOfSuper < size-1){
+            GenericsGeneratorResult genericsGeneratorResult = getGenericsGeneratorResultForClass(simplifiedConstraints, subType, superType);
+            constraints.add(genericsGeneratorResult);
+
+            tphsInRel = new LinkedList<>(tphsInRel.subList(idxOfSuper, size));
+            subType = tphsInRel.getFirst();
+            superType = GenericsGeneratorUtility.getNextClassTph(classAndMethodTphs, tphsInRel);
+
+            idxOfSuper = tphsInRel.indexOf(superType);
+            size = tphsInRel.size();
+        }
+        GenericsGeneratorResult genericsGeneratorResult = getGenericsGeneratorResultForClass(simplifiedConstraints, subType, superType);
+        constraints.add(genericsGeneratorResult);
+    }
+
+    private static GenericsGeneratorResult getGenericsGeneratorResultForClass(ConstraintsSimplierResult simplifiedConstraints, String subType, String superType) {
+        TPHConstraint constraint = new ExtendsConstraint(subType, superType);
+
+        Set<String> equalSet = GenericsGeneratorUtility
+                .createEqualSet(simplifiedConstraints.getNameReplacementResults(), subType);
+
+        return new GenericsGeneratorResult(constraint, equalSet);
+    }
+    /* TODO Remove this methoda*/
+    private static GenericsGeneratorResult generateGGResultForClass(LinkedList<String> tphsInRel,
+                                                                    ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass) {
+        String subType = tphsInRel.getFirst();
+
+        String superType = GenericsGeneratorUtility.getNextClassTph(tphsClass, tphsInRel);
+
+        TPHConstraint constraint = new ExtendsConstraint(subType, superType);
+
+        Set<String> equalSet = GenericsGeneratorUtility
+                .createEqualSet(simplifiedConstraints.getNameReplacementResults(), subType);
+
+        return new GenericsGeneratorResult(constraint, equalSet);
+    }
+
+    private static GenericGeneratorResultsForAllMethods generateConstraintsForAllMethods(
+            final TPHExtractor tphExtractor, ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass) {
+
+        final List<MethodAndConstraints> methodsAndConstraints = new ArrayList<>();
+        final GenericGeneratorResultsForAllMethods results = new GenericGeneratorResultsForAllMethods(
+                methodsAndConstraints);
+        tphExtractor.ListOfMethodsAndTph.forEach(m -> {
+            MethodAndConstraints methAndCons = generateConstraintsForMethod(tphExtractor.allCons, m,
+                    simplifiedConstraints, tphsClass);
+            methodsAndConstraints.add(methAndCons);
+        });
+
+        return results;
+    }
+
+    public static MethodAndConstraints generateConstraintsForMethod(final List<TPHConstraint> allCons,
+                                                                    final MethodAndTPH m, final ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass) {
+        final List<String> localTphs = m.getLocalTphs();
+
+        List<GenericsGeneratorResult> constraints = new ArrayList<>();
+        MethodAndConstraints result = new MethodAndConstraints(m.getId(), constraints);
+
+        if (localTphs.isEmpty())
+            return result;
+
+        if (localTphs.size() == 1 && tphsClass.isEmpty()) {
+            generateGGConstraintsForTPH(localTphs, constraints, simplifiedConstraints);
+            return result;
+        }
+
+        final Set<String> visitedTPHs = new HashSet<>();
+
+        for (String tph : localTphs) {
+
+            if (visitedTPHs.contains(tph))
+                continue;
+
+            final LinkedList<String> tphsInRel = GenericsGeneratorUtility.createLinkedListForTPHsInRelation(allCons,
+                    localTphs, tphsClass, visitedTPHs, tph);
+            if (!tphsInRel.isEmpty()) {
+                GenericsGeneratorUtility.removeNotLocalTphs(tphsInRel, localTphs, tphsClass);
+                if (!GenericsGeneratorUtility.isInResult(tphsInRel.getFirst(), constraints)) {
+                    GenericsGeneratorResult constraint = generateGGResult(tphsInRel, simplifiedConstraints);
+                    constraints.add(constraint);
+                }
+            }
+        }
+
+        generateGGConstraintsForTPH(localTphs, constraints, simplifiedConstraints);
+        return result;
+    }
+
+    private static void generateGGConstraintsForTPH(List<String> localTphs,
+                                                    final List<GenericsGeneratorResult> constraints, final ConstraintsSimplierResult simplifiedConstraints) {
+
+        localTphs.forEach(tph -> {
+            boolean isInSimplifiedConstraints = GenericsGeneratorUtility.isTPHInGenericGeneratorResult(simplifiedConstraints.getGenericsGenResults(), tph);
+            if (isInSimplifiedConstraints) {
+                GenericsGeneratorResult ggResult = GenericsGeneratorUtility.getGenericGeneratorResult(simplifiedConstraints.getGenericsGenResults(), tph).get();
+//				GenericsGeneratorUtility.removeGenericGeneratorResult(simplifiedConstraints.getGenericsGenResults(),ggResult);
+                constraints.add(ggResult);
+            } else {
+                boolean isInConstraints = GenericsGeneratorUtility.isTPHInGenericGeneratorResult(constraints, tph);
+
+                if (!isInConstraints) {
+                    GenericsGeneratorResult ggResult = generateGGResult(tph, simplifiedConstraints.getNameReplacementResults());
+                    constraints.add(ggResult);
+                }
+            }
+        });
+
+    }
+
+    private static GenericsGeneratorResult generateGGResult(String tph,
+                                                            List<NameReplacementResult> nameReplacementResults) {
+        String superType = Type.getInternalName(Object.class);
+        TPHConstraint constraint = new ExtendsConstraint(tph, superType);
+        Set<String> equalSet = GenericsGeneratorUtility.createEqualSet(nameReplacementResults, tph);
+
+        return new GenericsGeneratorResult(constraint, equalSet);
+    }
+
+    private static GenericsGeneratorResult generateGGResult(final LinkedList<String> tphsInRel,
+                                                            final ConstraintsSimplierResult simplifiedConstraints) {
+
+        String subType = tphsInRel.getFirst();
+
+        if (tphsInRel.size() == 1) {
+            Optional<GenericsGeneratorResult> constraintFromSimplifiedCon = simplifiedConstraints
+                    .getGenericsGenResults().stream().filter(g -> g.getConstraint().getLeft().equals(subType))
+                    .findFirst();
+            if (constraintFromSimplifiedCon.isPresent())
+                return constraintFromSimplifiedCon.get();
+        }
+
+        String superType = tphsInRel.size() > 1 ? tphsInRel.getLast() : Type.getInternalName(Object.class);
+
+        TPHConstraint constraint = new ExtendsConstraint(subType, superType);
+
+        Set<String> equalSet = GenericsGeneratorUtility
+                .createEqualSet(simplifiedConstraints.getNameReplacementResults(), subType);
+
+        return new GenericsGeneratorResult(constraint, equalSet);
+    }
+
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/GenericsGeneratorUtility.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGenerator/GenericsGeneratorUtility.java
@@ -0,0 +1,571 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGenerator;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.*;
+import org.objectweb.asm.Type;
+
+import de.dhbwstuttgart.bytecode.TPHExtractor;
+import de.dhbwstuttgart.bytecode.constraint.EqualConstraint;
+import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
+import de.dhbwstuttgart.bytecode.utilities.ConstraintsFinder;
+import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
+import de.dhbwstuttgart.bytecode.utilities.NameReplacer;
+
+/**
+ * @author fayez
+ *
+ */
+public class GenericsGeneratorUtility {
+	/**
+	 * Returns a list of type placeholders names of a specified method
+	 * 
+	 * @param methodID The id of the method ReturnTypeMethodName(ParameterTypes)
+	 * @param listOfMethodsAndTph List of all methods 
+	 * @return a list of type placehoders names
+	 */
+	public static List<String> getMethodTPHS(String methodID, ArrayList<MethodAndTPH> listOfMethodsAndTph) {
+		return listOfMethodsAndTph.stream().filter(mt->mt.getId().equals(methodID)).findAny().get().getTphs();
+	}
+	
+	/**
+	 * Returns a reverse constraint of a specified constraint which is given by its left and right 
+	 * side
+	 * 
+	 * @param allCons List of all constraints
+	 * @param left The left side of the given constraint
+	 * @param right The right side of the given constraint
+	 * @return An Optional object which contains the reverse constraint if it is exist
+	 */
+	public static Optional<TPHConstraint> getReverseConstraint(List<TPHConstraint> allCons, String left, String right) {
+		return allCons.stream().filter(c->{
+			return c.getRight().equals(left) && c.getLeft().equals(right);
+		}).findAny();
+	}
+	
+	/**
+	 * Substitutes the old name by the new name in all constraints
+	 *  
+	 * @param allCons List of all constraints
+	 * @param oldName The name to be replaced
+	 * @param newName The new name
+	 */
+	public static void substituteTPH(List<TPHConstraint> allCons, String oldName, String newName) {
+		allCons.stream()
+		.filter(c->c.getRel()==Relation.EXTENDS)
+		.forEach(c->{
+			if(c.getLeft().equals(oldName))
+				c.setLeft(newName);
+			if(c.getRight().equals(oldName))
+				c.setRight(newName);
+		});
+		
+	}
+
+	public static List<ConstraintsWithSameLeftSide> findConstraintsWithLeftSameLeftSide(List<TPHConstraint> allCons) {
+		// finder looks for constraints that have the same left hand side
+		// and put them in a list
+		ConstraintsFinder finder = new ConstraintsFinder(allCons);
+		List<ConstraintsWithSameLeftSide> foundCons = finder.findConstraints();
+		return foundCons;
+	}
+
+	public static void simplifyConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide,
+			List<TPHConstraint> allCons, List<String> methodTPHS) {
+		List<TPHConstraint> eqCons = new ArrayList<>();
+
+		for (ConstraintsWithSameLeftSide list : consWithSameLeftSide) {
+			NameReplacementResult replRes = modifyNames(allCons, methodTPHS, list);
+			createEqualConstraintsForNames(replRes.getName(), replRes.getOldNames(),eqCons);
+			
+			for (TPHConstraint c : allCons) {
+				if (c.getRel() == Relation.EQUAL && replRes.getName().equals(c.getRight())) {
+					eqCons.add(c);
+				}
+			}
+			updateEqualCons(replRes, eqCons);
+
+			TPHConstraint c = list.getConstraints().get(0);
+			allCons.removeAll(list.getConstraints());
+			allCons.add(c);
+		}
+		
+	}
+	
+	public static void simplifyConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide,
+																		  TPHExtractor tphExtractor, List<String> tphsClass, List<TPHConstraint> equalCons) {
+		List<TPHConstraint> allCons = tphExtractor.allCons;
+		
+		for (ConstraintsWithSameLeftSide list : consWithSameLeftSide) {
+			if(!stillWithSameLeftSide(list))
+				continue;
+			NameReplacementResult replRes = modifyNames(allCons, list, tphExtractor.ListOfMethodsAndTph,tphsClass);
+			createEqualConstraintsForNames(replRes.getName(), replRes.getOldNames(),equalCons);
+			
+			for (TPHConstraint c : allCons) {
+				if (c.getRel() == Relation.EQUAL && replRes.getName().equals(c.getRight())) {
+					equalCons.add(c);
+				}
+			}
+			updateEqualCons(replRes, equalCons);
+
+			TPHConstraint c = list.getConstraints().get(0);
+			allCons.removeAll(list.getConstraints());
+			removeConstraintsWithSameLeftAndRightSide(allCons);
+			allCons.add(c);
+			removeDuplicate(allCons);
+		}
+		consWithSameLeftSide.clear();
+		consWithSameLeftSide = findConstraintsWithLeftSameLeftSide(allCons);
+		if(!consWithSameLeftSide.isEmpty())
+			simplifyConstraintsWithSameLeftSide(consWithSameLeftSide,tphExtractor,tphsClass,equalCons);
+		
+	}
+
+	private static void removeDuplicate(List<TPHConstraint> allCons) {
+		List<TPHConstraint> visited = new ArrayList<>();
+		List<Integer> toRemove = new ArrayList<>();
+		checkForDuplicate(allCons, visited, toRemove);
+		removeConstraintsByIndex(allCons, toRemove);
+	}
+
+	private static void removeConstraintsByIndex(List<TPHConstraint> allCons, List<Integer> toRemove) {
+		for(int index : toRemove)
+			allCons.remove(index);
+	}
+
+	private static void checkForDuplicate(List<TPHConstraint> allCons, List<TPHConstraint> visited, List<Integer> toRemove) {
+		for(int i = 0;i<allCons.size();++i){
+			markConstraintIfDuplicate(allCons, visited, toRemove, i);
+		}
+	}
+
+	private static void markConstraintIfDuplicate(List<TPHConstraint> allCons, List<TPHConstraint> visited, List<Integer> toRemove, int i) {
+		TPHConstraint constraint = allCons.get(i);
+		if(containsInList(visited,constraint.getLeft(),constraint.getRight())){
+			toRemove.add(i);
+		} else {
+			visited.add(constraint);
+		}
+	}
+
+	private static boolean containsInList(List<TPHConstraint> allConstraints, String left, String right) {
+		for(TPHConstraint constraint : allConstraints)
+			if(constraint.getLeft().equals(left) && constraint.getRight().equals(right))
+				return true;
+		return false;
+	}
+
+	private static void addNewConstraintsWithSameLeftSide(ConstraintsWithSameLeftSide constraintsWithSameLeftSide, List<TPHConstraint> allCons) {
+		allCons.forEach(c->{
+			if (constraintsWithSameLeftSide.getConstraints().get(0).getLeft().equals(c.getLeft())){
+				if(!constraintsWithSameLeftSide.getConstraints().contains(c))
+					constraintsWithSameLeftSide.getConstraints().add(c);
+			}
+		});
+	}
+
+	private static void checkForNewConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide, List<TPHConstraint> allCons) {
+		allCons.forEach(c->{
+			Optional<ConstraintsWithSameLeftSide> constraintsWithSameLeftSide = getConstraintsWithSameLeftSide(consWithSameLeftSide, c.getLeft());
+			constraintsWithSameLeftSide.ifPresent(cls->{
+				if(!cls.getConstraints().contains(c))
+					cls.getConstraints().add(c);
+			});
+		});
+	}
+
+	private static Optional<ConstraintsWithSameLeftSide> getConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide, String left) {
+		return consWithSameLeftSide.stream().filter(csl->isContainedInConsWithLeftSide(csl,left)).findAny();
+	}
+
+	private static boolean isContainedInConsWithLeftSide(ConstraintsWithSameLeftSide csl, String left) {
+		return csl.getConstraints().get(0).getLeft().equals(left);
+	}
+
+	private static boolean stillWithSameLeftSide(ConstraintsWithSameLeftSide constraints) {
+		removeUnvalidConstraints(constraints);
+		return constraints.getConstraints().size()>1;
+	}
+
+	private static void removeUnvalidConstraints(ConstraintsWithSameLeftSide constraints) {
+		List<TPHConstraint> toRemove = new ArrayList<>();
+		constraints.getConstraints().forEach(c->{
+			if(c.getLeft().equals(c.getRight()))
+				toRemove.add(c);
+		});
+		if(!toRemove.isEmpty())
+			constraints.getConstraints().removeAll(toRemove);
+	}
+
+	private static void removeConstraintsWithSameLeftAndRightSide(List<TPHConstraint> allCons) {
+		List<TPHConstraint> toRemove = new ArrayList<>();
+		allCons.forEach(c->{
+			if(c.getLeft().equals(c.getRight()))
+				toRemove.add(c);
+		});
+		allCons.removeAll(toRemove);
+	}
+
+	private static void createEqualConstraintsForNames(String name, List<String> equalNames, List<TPHConstraint> eqCons) {
+		// create an equal constraint for each value in repres
+		for (String eName : equalNames) {
+			EqualConstraint ec = new EqualConstraint(eName, name);
+			eqCons.add(ec);
+		}
+	}
+
+	/**
+	 * @param allCons
+	 * @param methodTPHS
+	 * @param list
+	 * @return
+	 */
+	public static NameReplacementResult modifyNames(List<TPHConstraint> allCons, List<String> methodTPHS,
+			ConstraintsWithSameLeftSide list) {
+		// generate a new name and replace the right hand side for each constraint
+		// in list with the new name
+		NameReplacer replacer = new NameReplacer(list.getConstraints(), allCons, methodTPHS);
+		// new name -> [all old names]
+		NameReplacementResult replRes = replacer.replaceNames();
+		return replRes;
+	}
+	
+	public static NameReplacementResult modifyNames(List<TPHConstraint> allCons, ConstraintsWithSameLeftSide list, List<MethodAndTPH> methodAndTPHs, List<String> tphsClass) {
+		// generate a new name and replace the right hand side for each constraint
+		// in list with the new name
+		NameReplacer replacer = new NameReplacer(list.getConstraints(), allCons, methodAndTPHs, tphsClass);
+		// new name -> [all old names]
+		NameReplacementResult replRes = replacer.replaceNames();
+		return replRes;
+	}
+	
+	public static void updateEqualCons(NameReplacementResult nameReplacementResult, List<TPHConstraint> eqCons) {
+		List<String> oldNames = nameReplacementResult.getOldNames();
+		String newName = nameReplacementResult.getName();
+		for (TPHConstraint c : eqCons) {
+//			if(oldNames.contains(c.getLeft()))
+//				c.setLeft(newName);
+			if (oldNames.contains(c.getRight()))
+				c.setRight(newName);
+		}
+
+	}
+
+	public static void modifyRelationForConstraintsInCycle(List<Cycle> cycles) {
+		cycles.stream().map(lc->lc.getConstraints()).flatMap(e->e.stream()).forEach(c->c.setRel(Relation.EQUAL));
+	}
+
+	public static List<NameReplacementResult> substituteTPHSFormCycle(List<TPHConstraint> allCons, List<Cycle> cycles, TPHExtractor tphExtractor) {
+		List<NameReplacementResult> results = new ArrayList<>();
+		cycles.forEach(lc->{
+			Set<String> names = getNamesFromCycle(lc);
+			String newName = names.stream().findFirst().get();
+			
+			List<String> equalNames = new ArrayList<>(names);
+			
+			Stream<ArrayList<String>> tphsOfMethods = tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getTphs());
+			Stream<ArrayList<String>> localTphsOfMethods = tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getLocalTphs());
+			
+			replaceOldNames(newName, equalNames, tphsOfMethods);
+			replaceOldNames(newName, equalNames, localTphsOfMethods);
+			
+			NameReplacementResult res = new NameReplacementResult(newName, equalNames);
+			results.add(res);
+			substituteAll(allCons,names,newName);
+		});
+		return results;
+	}
+	
+	/**
+	 * @param newName
+	 * @param names
+	 * @param tphsOfMethods
+	 */
+	public static void replaceOldNames(final String newName, final List<String> names, Stream<ArrayList<String>> tphsOfMethods) {
+		tphsOfMethods.forEach(tphsMethod->{
+			if(tphsMethod.removeAll(names))
+				tphsMethod.add(newName);
+		});
+	}
+	
+	public static void substituteAll(List<TPHConstraint> allCons, Set<String> names, String newName) {
+		allCons.stream()
+		.filter(c-> c.getRel()==Relation.EXTENDS)
+		.forEach(c->{
+			if(names.contains(c.getLeft())) {
+				c.setLeft(newName);
+			} else if(names.contains(c.getRight())) {
+				c.setRight(newName);
+			}
+		});
+	}
+
+	public static Set<String> getNamesFromCycle(Cycle lc) {
+		Set<String> names = new HashSet<>();
+		lc.getConstraints().forEach(c->names.add(c.getLeft()));
+		return names;
+	}
+
+	public static void createResults(List<GenericsGeneratorResult> genericsGeneratorResults,
+			List<NameReplacementResult> nameReplacementResults) {
+		nameReplacementResults.forEach(n->{
+			Set<String> equals = new HashSet<>(n.getOldNames());
+			TPHConstraint cons = new ExtendsConstraint(n.getName(), Type.getInternalName(Object.class));
+			GenericsGeneratorResult ggRes = new GenericsGeneratorResult(cons, equals);
+			genericsGeneratorResults.add(ggRes);
+		});
+	}
+
+	public static void removeEqualConstraints(List<TPHConstraint> allCons) {
+		List<TPHConstraint> equalConstraints = getEqualConstraints(allCons);
+		allCons.removeAll(equalConstraints);
+	}
+
+	public static List<TPHConstraint> getEqualConstraints(List<TPHConstraint> allCons) {
+		return allCons.stream().filter(c->c.getRel()==Relation.EQUAL).collect(Collectors.toList());
+	}
+
+	public static List<NameReplacementResult> createNameReplacementResultsFromEqualConstraints(
+			List<TPHConstraint> equalCons) {
+		List<NameReplacementResult> nameReplacementResults = new ArrayList<>();
+		equalCons.forEach(c->{
+			if(isInNameReplacementResults(nameReplacementResults,c.getRight())) {
+				getNameReplacementByName(nameReplacementResults,c.getRight()).getOldNames().add(c.getLeft());
+			} else {
+				List<String> oldNames = new ArrayList<>();
+				oldNames.add(c.getLeft());
+				NameReplacementResult nrRes = new NameReplacementResult(c.getRight(), oldNames);
+				nameReplacementResults.add(nrRes);
+			}
+		});
+		return nameReplacementResults;
+	}
+	
+	private static NameReplacementResult getNameReplacementByName(List<NameReplacementResult> nameReplacementResults,
+			String name) {
+		return nameReplacementResults.stream().filter(n->n.getName().equals(name)).findFirst().get();
+	}
+
+	public static boolean isInNameReplacementResults(List<NameReplacementResult> nameReplacementResults,String name){
+		if(nameReplacementResults.isEmpty())
+			return false;
+		return nameReplacementResults.stream().map(r->r.getName()).filter(n->name.equals(n)).findFirst().isPresent();
+	}
+
+	public static Optional<TPHConstraint> getConstraintByLeftSide(List<TPHConstraint> allCons, String tph) {
+		return allCons.stream().filter(c->c.getLeft().equals(tph)).findFirst();
+	}
+
+	public static Optional<TPHConstraint> getConstraintByRightSide(List<TPHConstraint> allCons, String tph) {
+		return allCons.stream().filter(c->c.getRight().equals(tph)).findFirst();
+	}
+
+	public static boolean isTPHInGenericGeneratorResult(final List<GenericsGeneratorResult> constraints, final String tph) {
+		return constraints.stream().filter(g->g.getConstraint().getLeft().equals(tph)).findFirst().isPresent();
+	}
+
+	/**
+	 * @param allCons
+	 * @param tphsMethod
+	 * @param tphsClass 
+	 * @param visitedTPHs
+	 * @param tph
+	 * @return
+	 */
+	public static LinkedList<String> createLinkedListForTPHsInRelation(final List<TPHConstraint> allCons,
+			List<String> tphsMethod, List<String> tphsClass, final Set<String> visitedTPHs, String tph) {
+		
+		final LinkedList<String> tphsInRel = new LinkedList<>();
+		List<String> tphsList = new ArrayList<>(tphsMethod);
+		tphsList.addAll(tphsClass);
+		
+		boolean isNextSuperTypeFound = findNextSuperTyp(allCons,tphsList ,visitedTPHs, tph, tphsInRel);
+		if(!isNextSuperTypeFound)
+			findNextSubType(allCons, tphsList,visitedTPHs, tph, tphsInRel);
+		return tphsInRel;
+	}
+
+	public static boolean findNextSubType(List<TPHConstraint> allCons, List<String> tphsList, Set<String> visitedTPHs, String tph,
+			LinkedList<String> tphsInRel) {
+		Optional<TPHConstraint> con = getConstraintByRightSide(allCons, tph);
+		while (con.isPresent()) {
+			String left = con.get().getLeft();
+			String right = con.get().getRight();
+			
+			addTPHsToListFromLeft(tphsInRel, left, right);
+			markAsVisited(visitedTPHs, left);
+			
+			if(tphsList.contains(left))
+				return true;
+	
+			con = getConstraintByRightSide(allCons, left);
+		}
+		return false;
+	}
+
+	public static void addTPHsToListFromLeft(LinkedList<String> tphsInRel, String left, String right) {
+		if (tphsInRel.isEmpty())
+			tphsInRel.add(right);
+	
+		tphsInRel.addFirst(left);
+	}
+
+	/**
+	 * @param allCons
+	 * @param tphsList 
+	 * @param visitedTPHs
+	 * @param tph
+	 * @param tphsInRel
+	 * @return
+	 */
+	public static boolean findNextSuperTyp(final List<TPHConstraint> allCons, List<String> tphsList, final Set<String> visitedTPHs, String tph,
+			final LinkedList<String> tphsInRel) {
+		Optional<TPHConstraint> con = getConstraintByLeftSide(allCons, tph);
+		
+		markAsVisited(visitedTPHs, tph);
+		
+		while (con.isPresent()) {
+			String left = con.get().getLeft();
+			String right = con.get().getRight();
+			addTPHsToList(tphsInRel, left, right);
+	
+			if(tphsList.contains(right))
+				return true;
+			
+			markAsVisited(visitedTPHs, right);
+	
+			con = getConstraintByLeftSide(allCons, right);
+		}
+		return false;
+	}
+
+	public static void markAsVisited(Set<String> visitedTPHs, String left) {
+		visitedTPHs.add(left);
+	}
+
+	/**
+	 * @param visitedTPHs
+	 * @param right
+	 * @param left
+	 */
+	public static void markAsVisited(final Set<String> visitedTPHs, String left, String right) {
+		visitedTPHs.add(left);
+		visitedTPHs.add(right);
+	}
+
+	/**
+	 * @param tphsInRel
+	 * @param right
+	 * @param left
+	 */
+	public static void addTPHsToList(final LinkedList<String> tphsInRel, String left, String right) {
+		if (tphsInRel.isEmpty())
+			tphsInRel.add(left);
+		tphsInRel.add(right);
+	}
+
+	public static void removeNotLocalTphs(final LinkedList<String> tphsInRel, final List<String> localTphs,
+			List<String> tphsClass) {
+	
+		while (!localTphs.contains(tphsInRel.peek())) {
+			tphsInRel.removeFirst();
+		}
+	
+		String last = tphsInRel.peekLast();
+		while (!localTphs.contains(last) && !tphsClass.contains(last)) {
+			tphsInRel.removeLast();
+			last = tphsInRel.peekLast();
+		}
+	}
+
+	/**
+	 * @param nameReplacementResults
+	 * @param subType
+	 * @return
+	 */
+	public static Set<String> createEqualSet(final List<NameReplacementResult> nameReplacementResults, String subType) {
+		Optional<NameReplacementResult> equals = nameReplacementResults.stream()
+				.filter(n -> n.getName().equals(subType)).findFirst();
+	
+		Set<String> equalSet = equals.isPresent() ? new HashSet<>(equals.get().getOldNames()) : new HashSet<>();
+		return equalSet;
+	}
+
+	public static String getNextClassTph(List<String> tphsClass, LinkedList<String> tphsInRel) {
+		
+		for(int i = 1;i<tphsInRel.size();++i) {
+			String next = tphsInRel.get(i);
+			if(tphsClass.contains(next))
+				return next;
+		}
+		
+		return tphsInRel.getLast();
+	}
+
+	public static void addTPHsToClassTPHs(final List<GenericsGeneratorResult> constraints, final List<String> tphsClass) {
+		
+		List<String> lefts = constraints.stream().map(r->r.getConstraint()).map(c->c.getLeft()).collect(Collectors.toList());
+		List<String> rights = constraints.stream().map(r->r.getConstraint()).map(c->c.getRight()).collect(Collectors.toList());
+		List<String> leftsAndRights = new ArrayList<>(lefts);
+		leftsAndRights.addAll(rights);
+		List<String> shouldBeClassTphs = leftsAndRights.stream().distinct().collect(Collectors.toList());
+		
+		for(String tph : shouldBeClassTphs) {
+			if(!tphsClass.contains(tph))
+				tphsClass.add(tph);
+		}
+	}
+
+	public static void removeClassTPHsFromMethodTPHs(List<String> tphsClass, TPHExtractor tphExtractor) {
+		
+		tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getTphs()).forEach(tphs->{
+			tphs.removeAll(tphsClass);
+		});
+	
+		tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getLocalTphs()).forEach(tphs->{
+			tphs.removeAll(tphsClass);
+		});
+		
+	}
+
+	public static LinkedList<String> createLinkedListForTPHsInRelationClass(List<TPHConstraint> allCons,
+			List<String> tphsClass, List<String> methodTPHs, Set<String> visitedTPHs, String tph) {
+		final LinkedList<String> tphsInRel = new LinkedList<>();
+
+		boolean isNextSuperTypeFound = findNextSuperTyp(allCons,tphsClass ,visitedTPHs, tph, tphsInRel);
+		if(!tphsInRel.isEmpty() && !isNextSuperTypeFound && !methodTPHs.contains(tphsInRel.getLast()))
+			findNextSubType(allCons, tphsClass,visitedTPHs, tph, tphsInRel);
+		return tphsInRel;
+	}
+
+	public static boolean isInResult(String first, List<GenericsGeneratorResult> constraints) {
+		return constraints.stream().map(r->r.getConstraint()).filter(c->c.getLeft().equals(first)).findFirst().isPresent();
+	}
+
+	public static Optional<GenericsGeneratorResult> getGenericGeneratorResult(List<GenericsGeneratorResult> list,
+			String tph) {
+		return list.stream().filter(g->g.getConstraint().getLeft().equals(tph)).findFirst();
+	}
+
+	public static void removeGenericGeneratorResult(List<GenericsGeneratorResult> genericsGenResults,
+			GenericsGeneratorResult ggResult) {
+		genericsGenResults.remove(ggResult);
+	}
+
+	public static Optional<MethodAndTPH> getMethodAndTphs(ArrayList<MethodAndTPH> listOfMethodsAndTph, String id) {
+		return listOfMethodsAndTph.stream().filter(m->m.getId().equals(id)).findFirst();
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/ConstraintsWithSameLeftSide.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/ConstraintsWithSameLeftSide.java
@@ -0,0 +1,35 @@
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.List;
+
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+
+public class ConstraintsWithSameLeftSide {
+	private List<TPHConstraint> constraints;
+
+	/**
+	 * @param constraints
+	 */
+	public ConstraintsWithSameLeftSide(List<TPHConstraint> constraints) {
+		this.constraints = constraints;
+	}
+
+	/**
+	 * @return the constraints
+	 */
+	public List<TPHConstraint> getConstraints() {
+		return constraints;
+	}
+
+	/**
+	 * @param constraints the constraints to set
+	 */
+	public void setConstraints(List<TPHConstraint> constraints) {
+		this.constraints = constraints;
+	}
+
+	@Override
+	public String toString() {
+		return "[" + constraints.toString() + "]";
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/Cycle.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/Cycle.java
@@ -0,0 +1,46 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.List;
+
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+
+/**
+ * @author fayez
+ *
+ */
+public class Cycle {
+	private final List<TPHConstraint> constraints;
+
+	/**
+	 * @param constraints
+	 */
+	public Cycle(List<TPHConstraint> constraints) {
+		this.constraints = constraints;
+	}
+
+	/**
+	 * @return the constraints
+	 */
+	public List<TPHConstraint> getConstraints() {
+		return constraints;
+	}
+
+	public boolean containConstraint(TPHConstraint constraint) {
+		for(TPHConstraint c : constraints) {
+			if(c.equalConstraint(constraint))
+				return true;
+		}
+		return false;
+	}
+	
+	@Override
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+		constraints.forEach(c->sb.append(c.getLeft()+" -> "));
+		sb.append(constraints.get(constraints.size()-1).getRight());
+		return sb.toString();
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericGeneratorResultsForAllMethods.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericGeneratorResultsForAllMethods.java
@@ -0,0 +1,33 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author fayez
+ *
+ */
+public class GenericGeneratorResultsForAllMethods {
+	private final List<MethodAndConstraints> methodsAndConstraints;
+	
+	public GenericGeneratorResultsForAllMethods() {
+		this(Collections.emptyList());
+	}
+	/**
+	 * @param methodsAndConstraints
+	 */
+	public GenericGeneratorResultsForAllMethods(List<MethodAndConstraints> methodsAndConstraints) {
+		this.methodsAndConstraints = methodsAndConstraints;
+	}
+	
+	/**
+	 * @return the methodsAndConstraints
+	 */
+	public List<MethodAndConstraints> getMethodsAndConstraints() {
+		return methodsAndConstraints;
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericGenratorResultForSourceFile.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericGenratorResultForSourceFile.java
@@ -0,0 +1,51 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+/**
+ * The simplify results of a source file (package)
+ * 
+ * @author fayez
+ *
+ */
+public class GenericGenratorResultForSourceFile {
+	private String pkgName;
+	private final List<GenericsGeneratorResultForClass> genericGeneratorResultForAllClasses = new ArrayList<>();
+
+	/**
+	 * @param pkgName
+	 */
+	public GenericGenratorResultForSourceFile(String pkgName) {
+		this.pkgName = pkgName;
+	}
+
+	public List<GenericsGeneratorResultForClass> getGenericGeneratorResultForAllClasses() {
+		return genericGeneratorResultForAllClasses;
+	}
+
+	/**
+	 * Appends the simplify results of a class to simplifyResForSF
+	 * 
+	 * @param sResClass simplify results of a class to added
+	 */
+	public void addGenericGeneratorResultClass(GenericsGeneratorResultForClass sResClass) {
+		genericGeneratorResultForAllClasses.add(sResClass);
+	}
+
+	public GenericsGeneratorResultForClass getSimplifyResultsByName(String pkgName, String name) {
+
+		if (this.pkgName.equals(pkgName)) {
+			return genericGeneratorResultForAllClasses.stream()
+					.filter(sr -> sr.getClassName().equals(name))
+					.findAny()
+					.orElseThrow(() -> new NoSuchElementException(
+							"Simplify results for the class " + pkgName + "." + name + " are not found"));
+		}
+		throw new NoSuchElementException("Simplify results for the class " + pkgName + "." + name + " are not found");
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericsGeneratorResult.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericsGeneratorResult.java
@@ -0,0 +1,55 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.Set;
+
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+
+/**
+ * @author fayez
+ *
+ */
+public class GenericsGeneratorResult {
+	private TPHConstraint constraint;
+	/** 
+	 * contains the names of all type placeholders which are equals to the left side of
+	 * the constraint {@link #constraint}.
+	 */
+	private Set<String> equalsTPHs;
+	/**
+	 * @param constraint
+	 * @param equalsTPHs
+	 */
+	public GenericsGeneratorResult(TPHConstraint constraint, Set<String> equalsTPHs) {
+		this.constraint = constraint;
+		this.equalsTPHs = equalsTPHs;
+	}
+	
+	/**
+	 * @return the constraint
+	 */
+	public TPHConstraint getConstraint() {
+		return constraint;
+	}
+	/**
+	 * @param constraint the constraint to set
+	 */
+	public void setConstraint(TPHConstraint constraint) {
+		this.constraint = constraint;
+	}
+	/**
+	 * @return the equalsTPHs
+	 */
+	public Set<String> getEqualsTPHs() {
+		return equalsTPHs;
+	}
+	/**
+	 * @param equalsTPHs the equalsTPHs to set
+	 */
+	public void setEqualsTPHs(Set<String> equalsTPHs) {
+		this.equalsTPHs = equalsTPHs;
+	}
+	
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericsGeneratorResultForClass.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/GenericsGeneratorResultForClass.java
@@ -0,0 +1,67 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author fayez
+ *
+ */
+public class GenericsGeneratorResultForClass {
+	private final String className;
+	private final List<GenericsGeneratorResult> classConstraints;
+	private final GenericGeneratorResultsForAllMethods methodsAndTheirConstraints;
+
+	public GenericsGeneratorResultForClass(String className) {
+		this(className, Collections.emptyList(), new GenericGeneratorResultsForAllMethods());
+	}
+	/**
+	 * @param className
+	 * @param classConstraints
+	 * @param methodsAndTheirConstraints
+	 */
+	public GenericsGeneratorResultForClass(String className, List<GenericsGeneratorResult> classConstraints,
+			GenericGeneratorResultsForAllMethods methodsAndTheirConstraints) {
+		this.className = className;
+		this.classConstraints = classConstraints;
+		this.methodsAndTheirConstraints = methodsAndTheirConstraints;
+	}
+
+	/**
+	 * @return the className
+	 */
+	public String getClassName() {
+		return className;
+	}
+
+	/**
+	 * @return the classConstraints
+	 */
+	public List<GenericsGeneratorResult> getClassConstraints() {
+		return classConstraints;
+	}
+
+	/**
+	 * @return the methodsAndTheirConstraints
+	 */
+	public GenericGeneratorResultsForAllMethods getMethodsAndTheirConstraints() {
+		return methodsAndTheirConstraints;
+	}
+
+	public boolean contains(String id) {
+		return methodsAndTheirConstraints.getMethodsAndConstraints().stream().map(mc -> mc.getMethodID())
+				.anyMatch(i -> i.equals(id));
+	}
+
+	
+	
+	
+	public List<GenericsGeneratorResult> getMethodConstraintsByID(String id) {
+		return methodsAndTheirConstraints.getMethodsAndConstraints().stream().filter(mc -> mc.getMethodID().equals(id))
+				.findFirst().get().getConstraints();
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/MethodAndConstraints.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/MethodAndConstraints.java
@@ -0,0 +1,36 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.List;
+
+/**
+ * @author fayez
+ *
+ */
+public class MethodAndConstraints {
+	private final String methodID;
+	private final List<GenericsGeneratorResult> constraints;
+	/**
+	 * @param methodID
+	 * @param constraints
+	 */
+	public MethodAndConstraints(String methodID, List<GenericsGeneratorResult> constraints) {
+		this.methodID = methodID;
+		this.constraints = constraints;
+	}
+	/**
+	 * @return the methodID
+	 */
+	public String getMethodID() {
+		return methodID;
+	}
+	/**
+	 * @return the constraints
+	 */
+	public List<GenericsGeneratorResult> getConstraints() {
+		return constraints;
+	}
+	
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/NameReplacementResult.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/genericsGeneratorTypes/NameReplacementResult.java
@@ -0,0 +1,49 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
+
+import java.util.List;
+
+/**
+ * @author fayez
+ *
+ */
+public class NameReplacementResult {
+	private String name;
+	private List<String> oldNames;
+	/**
+	 * @param name
+	 * @param oldNames
+	 */
+	public NameReplacementResult(String name, List<String> oldNames) {
+		this.name = name;
+		this.oldNames = oldNames;
+	}
+	/**
+	 * @return the name
+	 */
+	public String getName() {
+		return name;
+	}
+	/**
+	 * @param name the name to set
+	 */
+	public void setName(String name) {
+		this.name = name;
+	}
+	/**
+	 * @return the oldNames
+	 */
+	public List<String> getOldNames() {
+		return oldNames;
+	}
+	/**
+	 * @param oldNames the oldNames to set
+	 */
+	public void setOldNames(List<String> oldNames) {
+		this.oldNames = oldNames;
+	};
+	
+	
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/signature/Signature.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/signature/Signature.java
@@ -1,488 +1,379 @@
 package de.dhbwstuttgart.bytecode.signature;

-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
+import java.util.*;

 import org.objectweb.asm.Type;
 import org.objectweb.asm.signature.SignatureVisitor;
 import org.objectweb.asm.signature.SignatureWriter;

-import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
-import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
 import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
-import de.dhbwstuttgart.bytecode.utilities.Simplify;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.Constructor;
 import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.Method;
-import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
 import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.syntaxtree.type.WildcardType;
-import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
-import de.dhbwstuttgart.typeinference.result.ResolvedType;
 import de.dhbwstuttgart.typeinference.result.ResultSet;

 public class Signature {
+	private static final char SUPER_CHAR = '-';
+	private static final char EXTENDS_CHAR = '+';
+	private static final String SPECIAL_CHAR_FOR_FUN = "$$";
+	private static final String SPECIAL_CHAR = "$";
 	private ClassOrInterface classOrInterface;
 	private HashMap<String, String> genericsAndBounds;
 	private HashMap<String, String> genericsAndBoundsMethod;
-	private SignatureWriter sw;
+	private final SignatureWriter sw = new SignatureWriter();;
 	private Constructor constructor;
 	private Method method;
-	private HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes;
+	private HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes;
 	private ResultSet resultSet;
-	private ArrayList<GenericInsertPair> commonPairs;
-	private HashMap<TPHConstraint,HashSet<String>> methodConstraints;
-	private ArrayList<String> tphsClass;
-	private ArrayList<TPHConstraint> consClass;
-	
-	public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds,
-			ArrayList<GenericInsertPair> commonPairs, ArrayList<String> tphsClass, ArrayList<TPHConstraint> consClass) {
-		this.classOrInterface = classOrInterface;
-		this.genericsAndBounds = genericsAndBounds;
-		this.commonPairs = commonPairs;
-		this.tphsClass = tphsClass;
-		this.consClass = consClass;
-		sw = new SignatureWriter();
-		createSignatureForClassOrInterface();
-	}
+	private Map<TPHConstraint, Set<String>> methodConstraints;
+	private List<GenericsGeneratorResult> consClass;
+	private List<GenericsGeneratorResult> constraints;

-	public Signature(Constructor constructor, HashMap<String, String> genericsAndBounds, 
-			HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes,ResultSet resultSet,
-			HashMap<TPHConstraint,HashSet<String>> methodConstraints) {
-		this.constructor = constructor;
+//	public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds,
+//			List<TPHConstraint> consClass) {
+//		this.classOrInterface = classOrInterface;
+//		this.genericsAndBounds = genericsAndBounds;
+//		this.consClass = consClass;
+//		sw = new SignatureWriter();
+//		createSignatureForClassOrInterface();
+//	}
+
+	public Signature(HashMap<String, String> genericsAndBounds,
+			HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes, ResultSet resultSet,
+					 List<GenericsGeneratorResult> constraints) {
+		//this.constructor = constructor;
 		this.genericsAndBounds = genericsAndBounds;
 		this.methodParamsAndTypes = methodParamsAndTypes;
 		this.resultSet = resultSet;
-		this.methodConstraints = methodConstraints;
-		sw = new SignatureWriter();
-		createSignatureForConsOrMethod(this.constructor,true);
+		this.constraints = constraints;
 	}

-	public Signature(Method method, HashMap<String, String> genericsAndBoundsMethod,HashMap<String, String> genericsAndBounds,
-			HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes, ResultSet resultSet, 
-			HashMap<TPHConstraint,HashSet<String>> methodConstraints) {
-		this.method = method;
+	public Signature(int numberOfParams) {
+		createSignatureForFunN(numberOfParams);
+	}
+
+	public Signature(int numberOfParams, String to, String[] paramTypes) {
+		createSignatureForFunN(numberOfParams, to, paramTypes);
+	}
+
+	public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds,
+			List<GenericsGeneratorResult> consClass) {
+		this.classOrInterface = classOrInterface;
+		this.genericsAndBounds = genericsAndBounds;
+		this.consClass = consClass;
+	}
+
+	public Signature(HashMap<String, String> genericsAndBoundsMethod,
+			HashMap<String, String> genericsAndBounds,
+			HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes, ResultSet resultSet,
+			List<GenericsGeneratorResult> constraints,List<GenericsGeneratorResult> consClass) {
 		this.genericsAndBoundsMethod = genericsAndBoundsMethod;
 		this.genericsAndBounds = genericsAndBounds;
 		this.methodParamsAndTypes = methodParamsAndTypes;
 		this.resultSet = resultSet;
-		this.methodConstraints = methodConstraints;
-		sw = new SignatureWriter();
-		createSignatureForConsOrMethod(this.method,false);
+		this.constraints = constraints;
+		this.consClass = consClass;
 	}
-	
-	public Signature(int numberOfParams) {
-		sw = new SignatureWriter();
-		createSignatureForFunN(numberOfParams);
+
+	public String createSignatureForConstructor(Constructor constructor) {
+		visitParams();
+		sw.visitReturnType().visitBaseType('V');
+		return sw.toString();
+	}
+
+	public String createSignatureForMethod(Method method) {
+		defineGenerics(method);
+
+		String ret = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
+
+		visitParams();
+		visitReturnType(method, ret);
+		return sw.toString();
+	}
+
+	/**
+	 * @param method
+	 * @param ret
+	 */
+	private void visitReturnType(Method method, String ret) {
+		if (ret.equals("V")) {
+			sw.visitReturnType().visitBaseType('V');
+		} else {
+			RefTypeOrTPHOrWildcardOrGeneric returnType = method.getReturnType();
+			SignatureVisitor sv = sw.visitReturnType();
+			doVisitParamsOrReturn(returnType, sv);
+		}
+	}
+
+	/**
+	 * 
+	 */
+	private void visitParams() {
+		for (String paramName : methodParamsAndTypes.keySet()) {
+			RefTypeOrTPHOrWildcardOrGeneric t = methodParamsAndTypes.get(paramName);
+			SignatureVisitor sv = sw.visitParameterType();
+			doVisitParamsOrReturn(t, sv);
+		}
+	}
+
+	/**
+	 *
+	 * @param method
+	 */
+	private void defineGenerics(Method method) {
+		method.getGenerics().forEach(g -> {
+			visitTypeVarsAndTheirBounds(g, genericsAndBoundsMethod);
+		});
+		defineGenericsFromConstraints(constraints,genericsAndBoundsMethod);
+	}
+
+	private void createSignatureForFunN(int numberOfParams, String to, String[] paramTypes) {
+		defineTypeVariablesForParametersOfFunN(numberOfParams);
+
+		sw.visitFormalTypeParameter("R");
+		visitClassBound(to);
+		// TODO: prüfe ob Return-Type = void,
+		sw.visitSuperclass().visitClassType(Type.getInternalName(Object.class));
+		sw.visitEnd();
+
 	}

 	private void createSignatureForFunN(int numberOfParams) {
-		
-//		sw.visitClassBound().visitEnd();
-		for(int i = 0;i<numberOfParams;i++) {
-			int j = i+1;
-			sw.visitFormalTypeParameter("T"+ j);
-			// getBounds von Params
-			sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
-			sw.visitClassBound().visitEnd();
-		}
+
+		defineTypeVariablesForParametersOfFunN(numberOfParams);

 		sw.visitFormalTypeParameter("R");
 		// getBounds vom Return-Type
 		sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
 		sw.visitClassBound().visitEnd();
 		// TODO: prüfe ob Return-Type = void,
-		sw.visitSuperclass().visitClassType(Type.getInternalName(Object.class));;
+		sw.visitSuperclass().visitClassType(Type.getInternalName(Object.class));
 		sw.visitEnd();
 	}

-	/**
-	 * Creates signature for a method or constructor with @see {@link SignatureWriter}
-	 * Signature looks like: 
-	 * <typevaliables (K:Ljava/lang/Object "Bounds")>(params L.. OR T.. Or basistape)ReturnType
-	 * 
-	 * @param method method or constructor
-	 * @param isConstructor true if constructor
-	 */
-	private void createSignatureForConsOrMethod(Method method, boolean isConstructor) {
-		Iterator<? extends GenericTypeVar> itr = method.getGenerics().iterator();
-		// visits all formal type parameter and visits their bounds <T:...;B:...;...>
-		while(itr.hasNext()) {
-			System.out.println("HAS GENERICS!!");
-			GenericTypeVar g = itr.next();
-			getBoundsOfTypeVar(g,genericsAndBoundsMethod);
+	private void defineTypeVariablesForParametersOfFunN(int numberOfParams) {
+		for (int i = 0; i < numberOfParams; i++) {
+			int j = i + 1;
+			sw.visitFormalTypeParameter("T" + j);
+			// getBounds von Params
+			sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
+			sw.visitClassBound().visitEnd();
 		}
-		
-		// Wenn die RückgabeType eine TPH ist, wird als generic behandelt
-		// z.B: Type = TPH K => wird eine Formal Type Parameter K$ erzeugt und Bound = Object
-		if(!isConstructor) {
-			String ret = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
-			ArrayList<TPHConstraint> allConsBeforeSimplify = new ArrayList<>();
-			
-			HashMap<TPHConstraint,HashSet<String>> allConstraints = new HashMap<>();
-			
-			if(ret.contains("<")) {
-				allConsBeforeSimplify = getAllConstraints((RefType) resultSet.resolveType(method.getReturnType()).resolvedType);
-			}
-			 
-			for(String paramName : methodParamsAndTypes.keySet()) {
-				RefTypeOrTPHOrWildcardOrGeneric t = methodParamsAndTypes.get(paramName);
-				String pT = t.acceptTV(new TypeToSignature()); 
-				
-				if(pT.contains("<"))
-					allConsBeforeSimplify = getAllConstraints((RefType) t);
-			}
-			boolean doSimplify = false;
-			if(!allConsBeforeSimplify.isEmpty()) {
-				addConstraintsToMap(allConstraints,allConsBeforeSimplify);
-				doSimplify = true;
-			}
-			createTypeVars(allConstraints, doSimplify);
-			
-			if(!ret.equals("V")) {
-				if(ret.contains("$") && !ret.contains("$$") && !ret.contains("<")) {
-					if(genericsAndBounds.containsKey(ret)) {
-						genericsAndBoundsMethod.put(ret.substring(1), genericsAndBounds.get(ret.substring(1)));
-					}
-				}
-				
-			}
-		}
-		
-		// visit each method-parameter to create the signature 
-		for(String paramName : methodParamsAndTypes.keySet()) {
-			RefTypeOrTPHOrWildcardOrGeneric t = methodParamsAndTypes.get(paramName);
-			// parameter type deswegen ist true
-			doVisitParamsOrReturn(t,true);
-		}
-		if(isConstructor || 
-				resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature()).equals("V")) {
-			sw.visitReturnType().visitBaseType('V');
-		}else {
-			RefTypeOrTPHOrWildcardOrGeneric returnType = method.getReturnType();
-			// return type deswegen ist false
-			doVisitParamsOrReturn(returnType, false);
-		}
-//		sw.visitEnd();
-	}
-	
-	private void addConstraintsToMap(HashMap<TPHConstraint, HashSet<String>> allConstraints,
-			ArrayList<TPHConstraint> allConsBeforeSimplify) {
-		for(TPHConstraint tphCons : allConsBeforeSimplify) {
-			allConstraints.put(tphCons, null);
-		}
-	}
-
-	private String getEqualTPH(HashMap<TPHConstraint, HashSet<String>> methodConstraints, String tph) {
-		for(TPHConstraint cons : methodConstraints.keySet()) {
-			if(methodConstraints.get(cons) != null) {
-				if(methodConstraints.get(cons).contains(tph)) {
-					return cons.getLeft();
-				}
-			}
-		}
-		return tph;
-	}
-
-	private void createTypeVars(HashMap<TPHConstraint, HashSet<String>> allConstraints, boolean doSimplify) {
-		allConstraints.putAll(methodConstraints);
-		
-		HashMap<TPHConstraint, HashSet<String>> simplifiedConstraints;
-		if(doSimplify) {
-			simplifiedConstraints = Simplify.simplifyContraints(allConstraints);
-		}else {
-			simplifiedConstraints = allConstraints;
-		}
-		
-		for(TPHConstraint cons : simplifiedConstraints.keySet()) {
-			// need subst.
-			String sub = cons.getLeft()+"$";
-			if(!genericsAndBoundsMethod.containsKey(sub) && !genericsAndBounds.containsKey(sub)) {
-				sw.visitFormalTypeParameter(sub);
-				String bound = cons.getRight();
-				if(bound.equals(Type.getInternalName(Object.class))) {
-					sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
-					sw.visitClassBound().visitEnd();
-					genericsAndBoundsMethod.put(sub, bound);
-				} else {
-					String boundName = bound+"$";
-					sw.visitClassBound().visitTypeVariable(boundName);
-					genericsAndBoundsMethod.put(sub, boundName);
-				}
-			}
-			
-		}
-	}
-	
-	private ArrayList<TPHConstraint> getAllConstraints(RefType ref) {
-		final ArrayList<TPHConstraint> res = new ArrayList<>();
-		for(RefTypeOrTPHOrWildcardOrGeneric p : ref.getParaList()) {
-			ResolvedType resType;
-			if(p instanceof WildcardType) {
-				resType = resultSet.resolveType(((WildcardType) p).getInnerType());
-			}else {
-				resType = resultSet.resolveType(p);
-			}
-			
-			RefTypeOrTPHOrWildcardOrGeneric resolved = resType.resolvedType;
-			if(resolved instanceof TypePlaceholder) {
-				//resType.getAdditionalGenerics().forEach(ag ->{
-				resultSet.genIns.forEach(ag ->{
-					TPHConstraint constr = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName(), Relation.EXTENDS);
-					if(!contains(res,constr)) {
-						res.add(constr);
-					}
-				});
-			}
-			if(resolved instanceof WildcardType) {
-				WildcardType resWC = (WildcardType) resolved;
-				ResolvedType resType2 = resultSet.resolveType(resWC.getInnerType());
-				if(resType2.resolvedType instanceof TypePlaceholder) {
-					//resType2.getAdditionalGenerics().forEach(ag ->{
-					resultSet.genIns.forEach(ag ->{
-						TPHConstraint constr = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName(), Relation.EXTENDS);
-						if(!contains(res,constr)) {
-							res.add(constr);
-						}
-				});
-				}
-			}
-				
-		}
-		System.out.println("RES GIP === " + res.size());
-		return res;
-	}
-	private boolean contains(ArrayList<TPHConstraint> constraints, TPHConstraint constr) {
-		for(int i=0; i<constraints.size();++i) {
-			TPHConstraint p = constraints.get(i);
-			if(constr.getLeft().equals(p.getLeft()) && constr.getRight().equals(p.getRight()))
-				return true;
-		}
-		return false;
 	}

 	/**
 	 * Visits parameter type or return type with {@link SignatureVisitor} to create
 	 * the method signature
-	 * @param t type of parameter or return type
-	 * @param isParameterType true if t is type of parameter
+	 * 
+	 * @param t  type of parameter or return type
+	 * @param sv true if t is type of parameter
 	 */
-	private void doVisitParamsOrReturn(RefTypeOrTPHOrWildcardOrGeneric t, boolean isParameterType) {
+	private void doVisitParamsOrReturn(RefTypeOrTPHOrWildcardOrGeneric t, SignatureVisitor sv) {
 		String type = t.acceptTV(new TypeToString());
-		SignatureVisitor sv;
-		if(isParameterType) {
-			 sv = sw.visitParameterType();
-		}
-		else {
-			sv = sw.visitReturnType();
-		}
+
 		switch (type) {
 		case "RT":
-			String sig = t.acceptTV(new TypeToSignature());
+			String sig = t.acceptTV(new TypeToSignature(constraints));
 			sv.visitClassType(sig.substring(1, sig.length()));
 			break;
 		case "GRT":
 			GenericRefType g = (GenericRefType) t;
-//			sv.visitTypeVariable(g.acceptTV(new TypeToSignature()).substring(1));
-			sv.visitTypeVariable(g.acceptTV(new TypeToSignature()));
+			sv.visitTypeVariable(g.acceptTV(new TypeToSignature(constraints)));
 			break;
 		case "TPH":
 			RefTypeOrTPHOrWildcardOrGeneric r = resultSet.resolveType(t).resolvedType;
-			// der Fall wenn die Type eine Interface ist, muss betrachtet werden
+			// der Fall wenn der Typ eine Interface ist, muss betrachtet werden
 			// Deswegen muss in ResutSet noch enthalten werden, ob die Type eine
 			// Interface oder eine Klasse ist.
-			
-			// das braucht man nicht es reicht: sv.visitTypeVariable(r.acceptTV(new TypeToSignature())
-			// 
-			String sig2 = r.acceptTV(new TypeToSignature());
-			if(r instanceof GenericRefType) {
+
+			// das braucht man nicht es reicht: sv.visitTypeVariable(r.acceptTV(new
+			// TypeToSignature())
+			//
+			String sig2 = r.acceptTV(new TypeToSignature(constraints));
+			if (r instanceof GenericRefType) {
 				sv.visitTypeVariable(sig2);
-			}else if(!(r instanceof TypePlaceholder)) {
-				if(sig2.contains("$$")) {
-					System.out.println(" Signature FUN$$: "+r);
-					sv.visitInterface().visitClassType(sig2.substring(1, sig2.length()));
+			} else if (!(r instanceof TypePlaceholder)) {
+				if (sig2.contains(SPECIAL_CHAR_FOR_FUN)) {
+					sv.visitInterface().visitClassType(sig2.substring(1));
 				} else {
 					// Kann zwischen GenericRefType und RefType nicht unterscheiden
 					// Deswegen wird immer geprüft, ob der Name in Generic Maps liegt
-					String n = sig2.substring(1, sig2.length()-1);
+					String n = sig2.substring(1, sig2.length() - 1);
 //					if(genericsAndBoundsMethod.containsKey(n) || genericsAndBounds.containsKey(n)) {
 //						sv.visitTypeVariable(n);
 //					} else {
-						sv.visitClassType(n);
-						sv.visitEnd();
+					sv.visitClassType(n);
+					sv.visitEnd();
 //					}
 //					sv.visitClassType(n);
 				}
-				
+
 			} else {
-				String eqTPH = getEqualTPH(methodConstraints, sig2.substring(1, sig2.length()-1))+"$";
-				System.out.println(r.getClass()+" Signature TPH: "+r.acceptTV(new TypeToSignature()));
-				sv.visitTypeVariable(eqTPH);
+				String realName = sig2.substring(1, sig2.length() - 1);
+				String toVisit = realName+SPECIAL_CHAR;
+				if(!genericsAndBounds.containsKey(toVisit)) {
+					Optional<GenericsGeneratorResult> equalTPH = getEqualTPHFromClassConstraints(consClass, realName);
+					if(equalTPH.isPresent()){
+						toVisit = equalTPH.get().getConstraint().getLeft() + SPECIAL_CHAR;
+					} else {
+						toVisit = getEqualTPH(constraints, realName) + SPECIAL_CHAR;
+					}
+				}
+				sv.visitTypeVariable(toVisit);
 			}
-			
+
 			break;
-			
+
 		case "SWC":
-			System.out.println("SWC---Signature");
 			SuperWildcardType swc = (SuperWildcardType) t;
-			String sigInner = swc.getInnerType().acceptTV(new TypeToSignature());
-			if(swc.getInnerType() instanceof TypePlaceholder) {
-				sv.visitTypeArgument('-').visitTypeVariable(sigInner.substring(1, sigInner.length()));
-			} else if(swc.getInnerType() instanceof RefType) {
-				if(sigInner.contains("$$")) {
-					sv.visitTypeArgument('-').visitInterface().visitClassType(sigInner.substring(1,sigInner.length()));
-				}else {
-					sv.visitTypeArgument('-').visitClassType(sigInner.substring(1,sigInner.length()));
-				}
-			}else {
-				sv.visitTypeArgument('-').visitTypeVariable(sigInner.substring(1));
-			}
-			
+			String sigInner = swc.getInnerType().acceptTV(new TypeToSignature(constraints));
+			int length = sigInner.length();
+			visitWildCard(sv, sigInner, length, swc.getInnerType(), SUPER_CHAR);
+
 			break;
-			
+
 		case "EWC":
-			System.out.println("EWC---Signature");
 			ExtendsWildcardType ewc = (ExtendsWildcardType) t;
-			String esigInner = ewc.getInnerType().acceptTV(new TypeToSignature());
-			System.out.println(esigInner);
-			if(ewc.getInnerType() instanceof TypePlaceholder) {
-				sv.visitTypeArgument('+').visitTypeVariable(esigInner.substring(1, esigInner.length()));
-			} else if(ewc.getInnerType() instanceof RefType) {
-				if(esigInner.contains("$$")) {
-					sv.visitTypeArgument('+').visitInterface().visitClassType(esigInner.substring(1,esigInner.length()));
-				}else {
-//					sv.visitClassType(esigInner.substring(1,esigInner.length()));
-					sv.visitTypeArgument('+').visitClassType(esigInner.substring(1,esigInner.length()));
-				}
-			}else {
-				sv.visitTypeArgument('+').visitTypeVariable(esigInner.substring(1));
-			}
-			
+			String esigInner = ewc.getInnerType().acceptTV(new TypeToSignature(constraints));
+			int lengthEWCSig = esigInner.length();
+			visitWildCard(sv, esigInner, lengthEWCSig, ewc.getInnerType(), EXTENDS_CHAR);
+
 			break;
 		default:
-			if(!isParameterType)
-				sv.visitBaseType('V');
+//			if (!sv)
+//				sv.visitBaseType('V');
 			break;
 		}
 	}
+
+	private void visitWildCard(SignatureVisitor sv, String sigInner, int length, RefTypeOrTPHOrWildcardOrGeneric innerType, char superOrExtendsChar) {
+		if (innerType instanceof TypePlaceholder) {
+			sv.visitTypeArgument(superOrExtendsChar).visitTypeVariable(sigInner.substring(1, length));
+		} else if (innerType instanceof RefType) {
+			checkInnerSignatureOfWildCard(sv, sigInner, length, superOrExtendsChar);
+		} else {
+			sv.visitTypeArgument(superOrExtendsChar).visitTypeVariable(sigInner.substring(1));
+		}
+	}
+
+	private void checkInnerSignatureOfWildCard(SignatureVisitor sv, String sigInner, int length, char superOrExtendsChar) {
+		if (sigInner.contains(SPECIAL_CHAR_FOR_FUN)) {
+			sv.visitTypeArgument(superOrExtendsChar).visitInterface().visitClassType(sigInner.substring(1, length));
+		} else {
+			sv.visitTypeArgument(superOrExtendsChar).visitClassType(sigInner.substring(1, length));
+		}
+	}
+
+	private Optional<GenericsGeneratorResult> getEqualTPHFromClassConstraints(List<GenericsGeneratorResult> consClass, String tph) {
+		return consClass.stream()
+				.filter(c -> c.getConstraint().getLeft().equals(tph) || c.getEqualsTPHs().contains(tph))
+				.findFirst();
+	}
+
+	private String getEqualTPH(List<GenericsGeneratorResult> constraints2, String tph) {
+		return constraints2.stream()
+				.filter(c -> c.getConstraint().getLeft().equals(tph) || c.getEqualsTPHs().contains(tph))
+				.findFirst().get().getConstraint().getLeft();
+	}
+
 	/**
 	 * Creates signature for class or interface with {@link SignatureWriter}
-	 * Signature looks like: 
-	 * <typevaliables (K:Ljava/lang/Object "Bounds")>superclass
+	 * Signature looks like: <typevaliables (K:Ljava/lang/Object
+	 * "Bounds")>superclass
 	 */
-	private void createSignatureForClassOrInterface() {
+	public String createSignatureForClassOrInterface() {
+		defineTypeVariablesForClassOrInterface();
+
+		defineGenericsFromConstraints(consClass,genericsAndBounds);
+
+		String sClass = classOrInterface.getSuperClass().acceptTV(new TypeToSignature());
+		sw.visitSuperclass().visitClassType(sClass.substring(1, sClass.length() - 1));
+		sw.visitEnd();
+		return sw.toString();
+	}
+
+	private void defineTypeVariablesForClassOrInterface() {
 		Iterator<GenericTypeVar> itr = classOrInterface.getGenerics().iterator();

-		while(itr.hasNext()) {
+		while (itr.hasNext()) {
 			GenericTypeVar g = itr.next();
-			getBoundsOfTypeVar(g,genericsAndBounds);
+			visitTypeVarsAndTheirBounds(g, genericsAndBounds);
 		}
-		
-		if(!consClass.isEmpty()) {
-			ArrayList<String> types = new ArrayList<>();
-			ArrayList<String> superTypes = new ArrayList<>();
-			
-			for(TPHConstraint cons : consClass) {
-				types.add(cons.getLeft());
-				superTypes.add(cons.getRight());
-			}
-			
-			for(TPHConstraint cons : consClass) {
-				String t = cons.getLeft()+"$";
-				String bound = cons.getRight()+"$";
-				sw.visitFormalTypeParameter(t);
-				sw.visitClassBound().visitTypeVariable(bound);
-				genericsAndBounds.put(t, bound);
-			}
-			
-			for(TPHConstraint cons : consClass) {
-				if(!types.contains(cons.getRight()) && !genericsAndBounds.keySet().contains(cons.getRight()+"$")) {
-					String t = cons.getRight()+"$";
-					String bound = Type.getInternalName(Object.class);
-					sw.visitFormalTypeParameter(t);
-					sw.visitClassBound().visitClassType(bound);
-					genericsAndBounds.put(t, bound);
-					sw.visitClassBound().visitEnd();
-				}
-			}
-			
-		}
-		/*if(!commonPairs.isEmpty()) {
-			ArrayList<TypePlaceholder> types = new ArrayList<>();
-			ArrayList<TypePlaceholder> superTypes = new ArrayList<>();
-			
-			for(GenericInsertPair p : commonPairs) {
-				types.add(p.TA1);
-				superTypes.add(p.TA2);
-			}
-			
-			for(GenericInsertPair p : commonPairs) {
-				String t = p.TA1.getName()+"$";
-				String bound = p.TA2.getName()+"$";
-				sw.visitFormalTypeParameter(t);
-				sw.visitClassBound().visitTypeVariable(bound);
-				genericsAndBounds.put(t, bound);
-			}
-			
-			for(GenericInsertPair p : commonPairs) {
-				if(!types.contains(p.TA2)) {
-					String t = p.TA2.getName()+"$";
-					String bound = Type.getInternalName(Object.class);
-					sw.visitFormalTypeParameter(t);
-					sw.visitClassBound().visitClassType(bound);
-					genericsAndBounds.put(t, bound);
-					sw.visitClassBound().visitEnd();
-				}
-			}
-		}
-		for(TypePlaceholder t : tphsClass) {
-			String n = t.getName()+"$";
-			String bound = Type.getInternalName(Object.class);
-			sw.visitFormalTypeParameter(n);
-			sw.visitClassBound().visitClassType(bound);
-			genericsAndBounds.put(n, bound);
-			sw.visitClassBound().visitEnd();
-		}*/
-		String sClass = classOrInterface.getSuperClass().acceptTV(new TypeToSignature());
-		sw.visitSuperclass().visitClassType(sClass.substring(1, sClass.length()-1));
-		sw.visitEnd();
 	}
+
+	/**
+	 * @param genericsAndBounds2 
+	 * 
+	 */
+	private void defineGenericsFromConstraints(List<GenericsGeneratorResult> constraints, HashMap<String,String> genericsAndBounds2) {
+		constraints.forEach(c -> {
+			String typeVariable = c.getConstraint().getLeft() + SPECIAL_CHAR;
+			sw.visitFormalTypeParameter(typeVariable);
+
+			String bound = c.getConstraint().getRight();
+			bound = checkBound(bound);
+			genericsAndBounds2.put(typeVariable, bound);
+		});
+	}
+
+	/**
+	 * @param bound
+	 * @return
+	 */
+	private String checkBound(String bound) {
+		if (bound.equals(Type.getInternalName(Object.class))) {
+			visitClassBound(bound);
+		} else {
+			bound += SPECIAL_CHAR;
+			sw.visitClassBound().visitTypeVariable(bound);
+		}
+		return bound;
+	}
+
+	/**
+	 * @param bound
+	 */
+	private void visitClassBound(String bound) {
+		sw.visitClassBound().visitClassType(bound);
+		sw.visitClassBound().visitEnd();
+	}
+
 	/**
 	 * Get bounds of type variable
-	 * @param g type variable
-	 * @param genAndBounds 
+	 * 
+	 * @param g            type variable
+	 * @param genAndBounds
 	 */
-	private void getBoundsOfTypeVar(GenericTypeVar g, HashMap<String, String> genAndBounds) {
+	private void visitTypeVarsAndTheirBounds(GenericTypeVar g, HashMap<String, String> genAndBounds) {
 		sw.visitFormalTypeParameter(g.getName());
-		
-		Iterator<? extends RefTypeOrTPHOrWildcardOrGeneric> bItr = g.getBounds().iterator(); 
-		while(bItr.hasNext()) {
-			RefTypeOrTPHOrWildcardOrGeneric b =bItr.next();
+
+		Iterator<? extends RefTypeOrTPHOrWildcardOrGeneric> bItr = g.getBounds().iterator();
+		while (bItr.hasNext()) {
+			RefTypeOrTPHOrWildcardOrGeneric b = bItr.next();
 			String boundDesc = b.acceptTV(new TypeToDescriptor());
-//			System.out.println("GetBounds: " + boundDesc);
 			// Ensure that <...> extends java.lang.Object OR ...
-			if(b instanceof GenericRefType) {
+			if (b instanceof GenericRefType) {
 				sw.visitClassBound().visitTypeVariable(boundDesc);
 			} else {
-				sw.visitClassBound().visitClassType(boundDesc);
-				sw.visitClassBound().visitEnd();
+				visitClassBound(boundDesc);
 			}
 			genAndBounds.put(g.getName(), boundDesc);
 		}
-//		sw.visitClassBound().visitEnd();
 	}
-	
+
+	@Override
 	public String toString() {
+		if(sw == null)
+			return super.toString();
 		return sw.toString();
 	}
-	
 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/signature/TypeToSignature.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/signature/TypeToSignature.java
@@ -1,8 +1,11 @@
 package de.dhbwstuttgart.bytecode.signature;

+import java.util.ArrayList;
 import java.util.Iterator;
+import java.util.List;
+import java.util.Optional;

-import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
 import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
@@ -12,6 +15,15 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.type.TypeVisitor;

 public class TypeToSignature implements TypeVisitor<String> {
+	private List<GenericsGeneratorResult> constraints;
+
+	public TypeToSignature() {
+		this.constraints = new ArrayList<>();
+	}
+
+	public TypeToSignature(List<GenericsGeneratorResult> constraints) {
+		this.constraints = constraints;
+	}

 	@Override
 	public String visit(RefType refType) {
@@ -33,7 +45,7 @@ public class TypeToSignature implements TypeVisitor<String> {
 //                } else {
 //                		params += "L"+param.toString().replace(".", "/");
 //                }
-                params += param.acceptTV(new TypeToSignature());
+                params += param.acceptTV(new TypeToSignature(constraints));

                if(param instanceof TypePlaceholder)
                	params += ";";
@@ -48,7 +60,7 @@ public class TypeToSignature implements TypeVisitor<String> {
 	@Override
 	public String visit(SuperWildcardType superWildcardType) {
 //		throw new NotImplementedException();
-		String sig = "-" + superWildcardType.getInnerType().acceptTV(new TypeToSignature());
+		String sig = "-" + superWildcardType.getInnerType().acceptTV(new TypeToSignature(constraints));
 		if(superWildcardType.getInnerType() instanceof TypePlaceholder)
 			sig += ";";
 		return sig;
@@ -57,13 +69,21 @@ public class TypeToSignature implements TypeVisitor<String> {
 	@Override
 	public String visit(TypePlaceholder typePlaceholder) {
 //		return typePlaceholder.toString().replace(".", "/");
-		return "T" + typePlaceholder.getName() + "$";
+		String name = typePlaceholder.getName();
+
+		if(!constraints.isEmpty()){
+			Optional<GenericsGeneratorResult> equalName = getEqualTPHFromClassConstraints(constraints, name);
+			if(equalName.isPresent())
+				name = equalName.get().getConstraint().getLeft();
+		}
+
+		return "T" + name + "$";
 	}

 	@Override
 	public String visit(ExtendsWildcardType extendsWildcardType) {
 //		throw new NotImplementedException();
-		String sig = "+" + extendsWildcardType.getInnerType().acceptTV(new TypeToSignature());
+		String sig = "+" + extendsWildcardType.getInnerType().acceptTV(new TypeToSignature(constraints));
 		if(extendsWildcardType.getInnerType() instanceof TypePlaceholder)
 			sig += ";";
 		return sig;
@@ -73,5 +93,10 @@ public class TypeToSignature implements TypeVisitor<String> {
 	public String visit(GenericRefType genericRefType) {
 		return genericRefType.getParsedName().replace(".", "/");
 	}
-	
+
+	private Optional<GenericsGeneratorResult> getEqualTPHFromClassConstraints(List<GenericsGeneratorResult> listOfConstraints, String tph) {
+		return listOfConstraints.stream()
+				.filter(c -> c.getConstraint().getLeft().equals(tph) || c.getEqualsTPHs().contains(tph))
+				.findFirst();
+	}
 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/ByteCodeForFunNGenerator.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/ByteCodeForFunNGenerator.java
@@ -0,0 +1,94 @@
+package de.dhbwstuttgart.bytecode.utilities;
+
+import de.dhbwstuttgart.bytecode.signature.Signature;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
+import de.dhbwstuttgart.syntaxtree.statement.Expression;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.Type;
+import org.objectweb.asm.signature.SignatureVisitor;
+import org.objectweb.asm.signature.SignatureWriter;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.Iterator;
+
+public class ByteCodeForFunNGenerator {
+
+    public static void generateBCForFunN(LambdaExpression lambdaExpression, String methDesc, String path) {
+        ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
+
+        SignatureWriter methSig = new SignatureWriter();
+
+        int numberOfParams = 0;
+        SignatureVisitor paramVisitor = methSig.visitParameterType();
+        Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
+        while (itr.hasNext()) {
+            numberOfParams++;
+            // getBounds
+            paramVisitor.visitTypeVariable(CONSTANTS.T + numberOfParams);
+            itr.next();
+        }
+        methSig.visitReturnType().visitTypeVariable(CONSTANTS.R);
+        // ")"+lam.getReturn.getBounds
+        Signature sig = new Signature(numberOfParams);
+        String name = CONSTANTS.FUN + numberOfParams + CONSTANTS.$$;
+        classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
+                Type.getInternalName(Object.class), null);
+        MethodVisitor mvApply = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT, "apply", methDesc,
+                methSig.toString(), null);
+        mvApply.visitEnd();
+        writeClassFile(classWriter.toByteArray(), name, path);
+    }
+
+    public static void generateBCForFunN(ArgumentList argumentList, String methDesc, String path) {
+        ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
+
+        SignatureWriter methSig = new SignatureWriter();
+
+        int numberOfParams = 0;
+        SignatureVisitor paramVisitor = methSig.visitParameterType();
+        Iterator<Expression> itr1 = argumentList.getArguments().iterator();
+
+        while(itr1.hasNext()) {
+            numberOfParams++;
+            // getBounds
+            paramVisitor.visitTypeVariable(CONSTANTS.T + numberOfParams);
+            itr1.next();
+        }
+
+        methSig.visitReturnType().visitTypeVariable(CONSTANTS.R);
+        // ")"+lam.getReturn.getBounds
+        Signature sig = new Signature(numberOfParams);
+        String name = CONSTANTS.FUN + numberOfParams + CONSTANTS.$$;
+        classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
+                Type.getInternalName(Object.class), null);
+        MethodVisitor mvApply = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT, "apply", methDesc,
+                methSig.toString(), null);
+        mvApply.visitEnd();
+        writeClassFile(classWriter.toByteArray(), name, path);
+    }
+
+
+    public static void writeClassFile(byte[] bytecode, String name, String path) {
+        FileOutputStream output;
+        try {
+            System.out.println("generating " + name + ".class file...");
+            output = new FileOutputStream(
+                    new File(path + name + CONSTANTS.EXTENSIONCLASS));
+            output.write(bytecode);
+            output.close();
+            System.out.println(name + ".class file generated");
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+    }
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/CONSTANTS.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/CONSTANTS.java
@@ -0,0 +1,22 @@
+package de.dhbwstuttgart.bytecode.utilities;
+
+public interface CONSTANTS {
+
+    String VOID = "void";
+    String TPH = "TPH ";
+    String ANGLEBRACKET = "<";
+    String FUN = "Fun";
+    String EXTENSIONCLASS = ".class";
+    String $$ = "$$";
+    String T = "T";
+    String R = "R";
+    String DESUGAREDMETHODNAME = "lambda$new$";
+    String REFTYPE_BYTE = "java/lang/Byte";
+    String REFTYPE_SHORT = "java/lang/Short";
+    String REFTYPE_INTEGER = "java/lang/Integer";
+    String REFTYPE_LONG = "java/lang/Long";
+    String REFTYPE_DOUBLE = "java/lang/Double";
+    String REFTYPE_FLOAT = "java/lang/Float";
+    String REFTYPE_STRING = "java/lang/String";
+    String TO_STRING = "toString";
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/ConstraintsFinder.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/ConstraintsFinder.java
@@ -5,25 +5,27 @@ import java.util.List;

 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.ConstraintsWithSameLeftSide;

 public class ConstraintsFinder {
 	private List<TPHConstraint> allConstaints;

 	public ConstraintsFinder(List<TPHConstraint> allConstaints) {
-		super();
 		this.allConstaints = allConstaints;
 	}

-	public List<List<TPHConstraint>> findConstraints() {
-		List<List<TPHConstraint>> result = new ArrayList<>();
+	public List<ConstraintsWithSameLeftSide> findConstraints() {
+		List<ConstraintsWithSameLeftSide> result = new ArrayList<>();
 		
 		List<TPHConstraint> visitedCons = new ArrayList<>();
 		for(TPHConstraint c : allConstaints) {
 			if(c.getRel() == Relation.EXTENDS) {
 				// get constraints with the same left side
 				List<TPHConstraint> cons = getConstraints(c,visitedCons);
-				if(cons.size()>1)
-					result.add(cons);
+				if(cons.size()>1) {
+					ConstraintsWithSameLeftSide consWithSameLeftSide = new ConstraintsWithSameLeftSide(cons);
+					result.add(consWithSameLeftSide);
+				}
 			}
 		}
 		
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/KindOfLambda.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/KindOfLambda.java
@@ -1,6 +1,5 @@
 package de.dhbwstuttgart.bytecode.utilities;

-import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.syntaxtree.statement.*;

 import java.util.ArrayList;
@@ -19,7 +18,8 @@ public class KindOfLambda implements StatementVisitor{
 	private boolean isInstanceCapturingLambda = false;
 	private List<RefTypeOrTPHOrWildcardOrGeneric> argumentList = new ArrayList<>();
 	private ArrayList<String> usedVars = new ArrayList<>();
-	private boolean hasThis = false;
+	private ArrayList<String> varsFromInnerLambdas = new ArrayList<>();
+	private boolean thisUsed = false;
 	private ArrayList<String> definedLocals = new ArrayList<>();
 	
 	public KindOfLambda(LambdaExpression lambdaExpression) {
@@ -40,19 +40,20 @@ public class KindOfLambda implements StatementVisitor{
 		return argumentList;
 	}
 	
-	public boolean isHasThis() {
-		return hasThis;
+	public boolean isThisUsed() {
+		return thisUsed;
 	}
 	
 	@Override
 	public void visit(ArgumentList argumentList) {
-		// TODO Auto-generated method stub
+		argumentList.getArguments().forEach(a->a.accept(this));
 		
 	}

 	@Override
 	public void visit(LambdaExpression lambdaExpression) {
-		
+		lambdaExpression.params.getFormalparalist().forEach(p->varsFromInnerLambdas.add(p.getName()));
+		lambdaExpression.methodBody.accept(this);
 	}

 	@Override
@@ -111,9 +112,11 @@ public class KindOfLambda implements StatementVisitor{

 	@Override
 	public void visit(LocalVar localVar) {
-		if(!contain(params, localVar.name) && !definedLocals.contains(localVar.name)) {
+		boolean addVar = !contain(params, localVar.name) && !definedLocals.contains(localVar.name) &&
+				!varsFromInnerLambdas.contains(localVar.name) && !usedVars.contains(localVar.name);
+		if(addVar) {
 			argumentList.add(localVar.getType());
-			if(hasThis) {
+			if(thisUsed) {
 				usedVars.add(1, localVar.name);
 			} else {
 				usedVars.add(0, localVar.name);
@@ -141,12 +144,13 @@ public class KindOfLambda implements StatementVisitor{
 	@Override
 	public void visit(MethodCall methodCall) {
 		methodCall.receiver.accept(this);
+		methodCall.arglist.accept(this);
 	}

 	@Override
 	public void visit(NewClass methodCall) {
-		// TODO Auto-generated method stub
-		
+		methodCall.receiver.accept(this);
+		methodCall.arglist.accept(this);
 	}

 	@Override
@@ -190,8 +194,8 @@ public class KindOfLambda implements StatementVisitor{

 	@Override
 	public void visit(This aThis) {
-		if(!hasThis) {
-			hasThis = true;
+		if(!thisUsed) {
+			thisUsed = true;
 			this.argumentList.add(0,aThis.getType());
 		}
 		if(!isInstanceCapturingLambda) {
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodAndTPH.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodAndTPH.java
@@ -9,7 +9,7 @@ import de.dhbwstuttgart.typeinference.result.ResultPair;

 public class MethodAndTPH {
 	
-	private String name;
+	private String id;
 	private final ArrayList<String> tphs = new ArrayList<>();
 	//private final ArrayList<GenericInsertPair> pairs = new ArrayList<>();
 	private final ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> pairs = new ArrayList<>();
@@ -17,7 +17,7 @@ public class MethodAndTPH {
 	private final ArrayList<String> localTphs = new ArrayList<>();

 	public MethodAndTPH(String name) {
-		this.name = name;
+		this.id = name;
 	}

 	public ArrayList<String> getTphs() {
@@ -31,8 +31,8 @@ public class MethodAndTPH {
 		return pairs;
 	}
 	
-	public String getName() {
-		return name;
+	public String getId() {
+		return id;
 	}

 	public ArrayList<String> getLocalTphs() {
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodCallHelper.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodCallHelper.java
@@ -3,44 +3,20 @@
 */
 package de.dhbwstuttgart.bytecode.utilities;

-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-
-import org.objectweb.asm.ClassWriter;
-import org.objectweb.asm.MethodVisitor;
-import org.objectweb.asm.Opcodes;
-import org.objectweb.asm.Type;
-import org.objectweb.asm.signature.SignatureVisitor;
-import org.objectweb.asm.signature.SignatureWriter;
-
 import de.dhbwstuttgart.bytecode.Exception.NotInCurrentPackageException;
 import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
 import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
-import de.dhbwstuttgart.bytecode.signature.Signature;
 import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
-import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
-import de.dhbwstuttgart.syntaxtree.FormalParameter;
-import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
-import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
-import de.dhbwstuttgart.syntaxtree.Method;
-import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.statement.Expression;
-import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
 import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
-import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
 import javassist.NotFoundException;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+import java.util.*;

 /**
 * @author fayez
@@ -98,23 +74,62 @@ public class MethodCallHelper {
 	public String getDesc(String className) throws NotInCurrentPackageException, NotFoundException {
 		String name = methCall.name;
 		ClassOrInterface clazz = getClassFromCurrPkg(className);
-
+		String retType = getResolvedType(methCall.getType());
+		ArrayList<String> params = getTypes(methCall.arglist.getArguments());
+		
 		Map<String, String> genAndBoundsClass = getGenericsAndBounds(clazz.getGenerics());
 		modifyGenAndBounds(genAndBoundsClass);
 		for (Method m : clazz.getMethods()) {
-			if (name.equals(m.getName())) {
-				Map<String, String> genAndBoundsMethod = getGenericsAndBoundsMethod(m.getGenerics());
-				modifyGenAndBounds(genAndBoundsMethod);
-				boolean hasGen = hasGen(m, genAndBoundsClass);
-				NormalMethod nm = new NormalMethod(m, (HashMap<String, String>) genAndBoundsClass,
-						(HashMap<String, String>) genAndBoundsMethod, hasGen);
-				return nm.accept(new DescriptorToString(resultSet));
+			if (name.equals(m.getName()) && retType.equals(getResolvedType(m.getReturnType()))) {
+				ArrayList<String> paramsOfM = getTypes(m.getParameterList());
+				if(areEquals(params,paramsOfM)) {
+					Map<String, String> genAndBoundsMethod = getGenericsAndBoundsMethod(m.getGenerics());
+					modifyGenAndBounds(genAndBoundsMethod);
+					boolean hasGen = hasGen(m, genAndBoundsClass);
+					NormalMethod nm = new NormalMethod(m, (HashMap<String, String>) genAndBoundsClass,
+							(HashMap<String, String>) genAndBoundsMethod, hasGen);
+					return nm.accept(new DescriptorToString(resultSet));
+				}
 			}
 		}

 		throw new NotFoundException("Method " + name + " is not found");
 	}

+	private boolean areEquals(ArrayList<String> params, ArrayList<String> paramsOfM) {
+		if(params.size() != paramsOfM.size())
+			return false;
+		
+		for(String t : params) {
+			for(String t2 : paramsOfM) {
+				if(!t.equals(t2))
+					return false;
+			}
+		}
+		return true;
+	}
+
+	private ArrayList<String> getTypes(ParameterList parameterList) {
+		Iterator<FormalParameter> itr = parameterList.iterator();
+		ArrayList<String> typeList = new ArrayList<>();
+		while (itr.hasNext()) {
+			FormalParameter fp = itr.next();
+			String t = getResolvedType(fp.getType());
+			typeList.add(t);
+		}
+		
+		return typeList;
+	}
+
+	private ArrayList<String> getTypes(List<Expression> arguments) {
+		ArrayList<String> types = new ArrayList<>();
+		for(int i = 0; i<arguments.size(); ++i) {
+			String t = getResolvedType(arguments.get(i).getType());
+			types.add(t);
+		}
+		return types;
+	}
+
 	private boolean hasGen(Method m, Map<String, String> genericsAndBounds) {
 		String retType = resultSet.resolveType(m.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
 		/*Prüfe, ob die Rückgabe-Type der Methode eine Type-Variable ist*/
@@ -204,52 +219,25 @@ public class MethodCallHelper {
 		}
 	}

-	public String generateBCForFunN() {
-		ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
-
-		SignatureWriter methSig = new SignatureWriter();
-
-		int numberOfParams = 0;
-		SignatureVisitor paramVisitor = methSig.visitParameterType();
-		Iterator<Expression> itr1 = methCall.arglist.getArguments().iterator();
-		String methDesc = "(";
-		while(itr1.hasNext()) {
-			numberOfParams++;
-			// getBounds
-			paramVisitor.visitTypeVariable("T" + numberOfParams);
-			methDesc += "L" + Type.getInternalName(Object.class) + ";";
-			itr1.next();
-		}
-		methDesc += ")L" + Type.getInternalName(Object.class) + ";";
-		
-		methSig.visitReturnType().visitTypeVariable("R");
-		// ")"+lam.getReturn.getBounds
-		Signature sig = new Signature(numberOfParams);
-		String name = "Fun" + numberOfParams + "$$";
-		classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
-				Type.getInternalName(Object.class), null);
-		MethodVisitor mvApply = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT, "apply", methDesc,
-				methSig.toString(), null);
-		mvApply.visitEnd();
-		writeClassFile(classWriter.toByteArray(), name);
-		return methDesc;
+	public void generateBCForFunN(String methodDescriptor) {
+		ByteCodeForFunNGenerator.generateBCForFunN(methCall.arglist,methodDescriptor,path);
 	}

-	private void writeClassFile(byte[] bytecode, String name) {
-		FileOutputStream output;
-		try {
-			System.out.println("generating " + name + ".class file...");
-			output = new FileOutputStream(
-					new File(path + name + ".class"));
-			output.write(bytecode);
-			output.close();
-			System.out.println(name + ".class file generated");
-		} catch (FileNotFoundException e) {
-			e.printStackTrace();
-		} catch (IOException e) {
-			e.printStackTrace();
+	public String getDescriptorOfApplyMethod(String methodCallType) {
+		return new DescriptorToString().createDescForFunN(methCall.arglist, methodCallType);
+	}
+	
+	/**
+	 * @param methodCall
+	 */
+	public void createCheckCast(MethodCall methodCall, MethodVisitor mv) {
+		String checkCast = getResolvedType(methodCall.getType());
+		if(!checkCast.contains("TPH ")) {
+			int pos = checkCast.length();
+			if(checkCast.contains("<"))
+				pos = checkCast.indexOf("<");
+			mv.visitTypeInsn(Opcodes.CHECKCAST,checkCast.substring(0,pos));
 		}
-
 	}

 }
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodUtility.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodUtility.java
@@ -0,0 +1,34 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.utilities;
+
+import java.util.Iterator;
+
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.Method;
+
+/**
+ * @author fayez
+ *
+ */
+public class MethodUtility {
+	/**
+	 * Creates an ID for a method
+	 * 
+	 * @param resolver type Resolver
+	 * @param method   for which the ID will be generated
+	 * @return ID for the given method. 
+	 * 	ID = ReturntypeMethodname(Parametertypes)
+	 */
+	public static String createID(Resolver resolver, Method method) {
+		String id = resolver.getResolvedType(method.getReturnType()) + method.name + "(";
+		Iterator<FormalParameter> itr = method.getParameterList().iterator();
+		while (itr.hasNext()) {
+			FormalParameter fp = itr.next();
+			id += resolver.getResolvedType(fp.getType());
+		}
+		id += ")";
+		return id;
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/NameReplacer.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/NameReplacer.java
@@ -4,13 +4,18 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Stream;

 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.NameReplacementResult;
 import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;

 public class NameReplacer {
+	//TODO rename
 	private List<TPHConstraint> constraints;
 	private List<TPHConstraint> allConstraints;
+	private List<MethodAndTPH> methodAndTPHs;
+	// TODO rename into tphClass
 	private List<String> tphs;
 	private List<String> localTphs;
 	
@@ -22,7 +27,98 @@ public class NameReplacer {
 		this.localTphs = localTphs;
 	}
 	
-	public Map<String, List<String>> replaceNames() {
+	public NameReplacer(List<TPHConstraint> constraints, List<TPHConstraint> allConstraints,List<String> tphs) {
+		super();
+		this.constraints = constraints;
+		this.allConstraints = allConstraints;
+		this.tphs = tphs;
+	}
+	
+	public NameReplacer(List<TPHConstraint> constraints, List<TPHConstraint> allConstraints) {
+		this.constraints = constraints;
+		this.allConstraints = allConstraints;
+	}
+
+	public NameReplacer(List<TPHConstraint> constraints, List<TPHConstraint> allConstraints, List<MethodAndTPH> methodAndTPHs,
+			List<String> tphsClass) {
+		this.constraints = constraints;
+		this.allConstraints = allConstraints;
+		this.methodAndTPHs = methodAndTPHs;
+		this.tphs = tphsClass;
+	}
+
+	public NameReplacementResult replaceNames() {
+		String newName = NameGenerator.makeNewName();
+		List<String> names = new ArrayList<>();
+		substituteRightSidesWithNewName(newName, names);
+		
+		substituteNamesInAllConstraints(newName, names);
+		Stream<ArrayList<String>> tphsOfMethods = methodAndTPHs.stream().map(m->m.getTphs());
+		Stream<ArrayList<String>> localTphsOfMethods = methodAndTPHs.stream().map(m->m.getLocalTphs());
+		
+		replaceOldNames(newName, names, tphsOfMethods);
+		replaceOldNames(newName, names, localTphsOfMethods);
+		
+		if(tphs.removeAll(names))
+			tphs.add(newName);
+		
+		NameReplacementResult res = new NameReplacementResult(newName, names);
+		
+		return res;
+	}
+
+	/**
+	 * @param newName
+	 * @param names
+	 * @param tphsOfMethods
+	 */
+	public void replaceOldNames(final String newName, final List<String> names, Stream<ArrayList<String>> tphsOfMethods) {
+		tphsOfMethods.forEach(tphsMethod->{
+			if(tphsMethod.removeAll(names))
+				tphsMethod.add(newName);
+		});
+	}
+	
+	public NameReplacementResult replaceNamesLocal() {
+		String newName = NameGenerator.makeNewName();
+		List<String> names = new ArrayList<>();
+		substituteRightSidesWithNewName(newName, names);
+		
+		substituteNamesInAllConstraints(newName, names);
+		
+		tphs.removeAll(names);
+		tphs.add(newName);
+		
+		NameReplacementResult res = new NameReplacementResult(newName, names);
+		
+		return res;
+	}
+
+	/**
+	 * @param newName
+	 * @param names
+	 */
+	public void substituteNamesInAllConstraints(String newName, List<String> names) {
+		for(TPHConstraint cons : allConstraints) {
+			if(names.contains(cons.getLeft()))
+				cons.setLeft(newName);
+			if(names.contains(cons.getRight()))
+				cons.setRight(newName);
+		}
+	}
+
+	/**
+	 * @param newName
+	 * @param names
+	 */
+	public void substituteRightSidesWithNewName(String newName, List<String> names) {
+		for(TPHConstraint cons : constraints) {
+			names.add(cons.getRight());
+			cons.setRight(newName);
+		}
+	}
+	
+	public Map<String, List<String>> replaceNamesWithLocals() {
 		String newName = NameGenerator.makeNewName();
 		ArrayList<String> names = new ArrayList<>();
 		for(TPHConstraint cons : constraints) {
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/Resolver.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/Resolver.java
@@ -0,0 +1,28 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.utilities;
+
+import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+
+/**
+ * @author fayez
+ *
+ */
+public class Resolver {
+	
+	private ResultSet resultSet;
+
+	/**
+	 * @param resultSet
+	 */
+	public Resolver(ResultSet resultSet) {
+		this.resultSet = resultSet;
+	}
+	
+	public String getResolvedType(RefTypeOrTPHOrWildcardOrGeneric type) {
+		return resultSet.resolveType(type).resolvedType.acceptTV(new TypeToDescriptor());
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/Simplify.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/Simplify.java
--- a/src/main/java/de/dhbwstuttgart/bytecode/utilities/SimplifyResult.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/utilities/SimplifyResult.java
@@ -1,42 +0,0 @@
-/**
- * 
- */
-package de.dhbwstuttgart.bytecode.utilities;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-
-import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-
-/**
- * @author fayez
- *
- */
-public class SimplifyResult {
-	private final ArrayList<TPHConstraint> classConstraints;
-	private final ArrayList<String> tphsClass;
-	private final HashMap<String, HashMap<TPHConstraint, HashSet<String>>> methodsConstraints;
-	
-	public SimplifyResult(ArrayList<TPHConstraint> classConstraints, ArrayList<String> tphsClass,
-			HashMap<String, HashMap<TPHConstraint, HashSet<String>>> methodsConstraints) {
-		super();
-		this.classConstraints = classConstraints;
-		this.tphsClass = tphsClass;
-		this.methodsConstraints = methodsConstraints;
-	}
-
-	public ArrayList<TPHConstraint> getClassConstraints() {
-		return classConstraints;
-	}
-
-	public HashMap<String, HashMap<TPHConstraint, HashSet<String>>> getMethodsConstraints() {
-		return methodsConstraints;
-	}
-
-	public ArrayList<String> getTphsClass() {
-		return tphsClass;
-	}
-	
-}
--- a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
+++ b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
--- a/src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java
+++ b/src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java
@@ -35,7 +35,7 @@ public class SyntaxTreeGenerator{
  Set<JavaClassName> imports = new HashSet();
  private Map<String, RefTypeOrTPHOrWildcardOrGeneric> fields = new HashMap<>(); //PL 2018-11-01 fields eingefuegt, damit die fields immer die gleiche TPH bekommen

-  List<Statement> fieldInitializations = new ArrayList<>();
+  List<Statement> fieldInitializations = new ArrayList<>(); //PL 2019-10-23: Muss für jede Klasse neu initilisiert werden

  public SyntaxTreeGenerator(JavaClassRegistry reg, GenericsRegistry globalGenerics){
    //Die Generics müssen während des Bauens des AST erstellt werden,
@@ -159,6 +159,7 @@ public class SyntaxTreeGenerator{

  private ClassOrInterface convertClass(Java8Parser.ClassDeclarationContext ctx)  {
    ClassOrInterface newClass;
+    fieldInitializations = new ArrayList<>(); //PL 2019-10-22: muss für jede Klasse neu initilisiert werden
    if(ctx.normalClassDeclaration() != null){
      newClass = convertNormal(ctx.normalClassDeclaration());
    }
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/GenericDeclarationList.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/GenericDeclarationList.java
@@ -2,6 +2,10 @@ package de.dhbwstuttgart.syntaxtree;

 import org.antlr.v4.runtime.Token;

+import com.google.common.collect.Lists;
+
+import de.dhbwstuttgart.parser.NullToken;
+
 import java.util.*;


@@ -15,11 +19,21 @@ public class GenericDeclarationList extends SyntaxTreeNode implements Iterable<G

 	private Token offsetOfLastElement;
 	private List<GenericTypeVar> gtvs = new ArrayList<>();
-	
-	public GenericDeclarationList(List<GenericTypeVar> values, Token endOffset) {
+
+	@SuppressWarnings("unchecked")
+	public GenericDeclarationList(Iterable<? extends GenericTypeVar> values, Token endOffset) {
+		super(endOffset);
+		gtvs = isListOfGenericTypeVar(values) ? (List<GenericTypeVar>)values : Lists.newArrayList(values);
+		this.offsetOfLastElement = endOffset;
+	}
+
+	public GenericDeclarationList(ArrayList<GenericTypeVar> values, Token endOffset) {
 		super(endOffset);
 		gtvs = values;
-		this.offsetOfLastElement = endOffset;
+		this.offsetOfLastElement = endOffset;	}
+
+	private boolean isListOfGenericTypeVar(Iterable<? extends GenericTypeVar> values) {
+		return values instanceof List && ((List<?>)values).size() > 0 && ((List<?>)values).get(0) instanceof GenericTypeVar;
 	}

 	@Override
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/statement/NewArray.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/statement/NewArray.java
@@ -1,24 +1,24 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-import java.util.List;
-
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-
-
-public class NewArray extends Expression
-{
-    public NewArray(int offset,int variableLength)
-    {
-        super(null,null);
-    }
-    private RefTypeOrTPHOrWildcardOrGeneric type;
-    public List<Expression> expr;
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}
+package de.dhbwstuttgart.syntaxtree.statement;
+import java.util.List;
+
+import de.dhbwstuttgart.syntaxtree.StatementVisitor;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+
+
+public class NewArray extends Expression
+{
+    public NewArray(int offset,int variableLength)
+    {
+        super(null,null);
+    }
+    private RefTypeOrTPHOrWildcardOrGeneric type;
+    public List<Expression> expr;
+
+    @Override
+    public void accept(StatementVisitor visitor) {
+        visitor.visit(this);
+    }
+}
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/statement/This.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/statement/This.java
@@ -19,4 +19,8 @@ public class This extends Expression
    public void accept(StatementVisitor visitor) {
        visitor.visit(this);
    }
+    
+    public String toString() {
+    	return "this: "+ this.getType();
+    }
 }
--- a/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsert.java
+++ b/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsert.java
@@ -4,16 +4,20 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;

+import de.dhbwstuttgart.typeinference.result.ResultPair;
+
 public class TypeInsert {
    /**
     * point wird hauptsächlich zur Anzeige einer Annotation im Eclipse-plugin benutzt.
     */
    public final TypeInsertPoint point;
    Set<TypeInsertPoint> inserts;
+    ResultPair<?, ?> resultPair;

-    public TypeInsert(TypeInsertPoint point, Set<TypeInsertPoint> additionalPoints){
+    public TypeInsert(TypeInsertPoint point, Set<TypeInsertPoint> additionalPoints, ResultPair<?, ?> resultPair){
        this.point = point;
        inserts = additionalPoints;
+        this.resultPair = resultPair;
    }

    public String insert(String intoSource){
@@ -31,6 +35,10 @@ public class TypeInsert {
        return point.getInsertString();
    }
    
+    public ResultPair<?, ?> getResultPair() {
+    	return this.resultPair;
+    }
+    
    /* PL 2018-06-18
     * Zwei TypeInsert's sind gleich, wenn ihre point's und ihre inserts' gleich sind 
     * eingefuegt damit man TypeReplaceMarker vergleichen kann
--- a/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java
+++ b/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java
@@ -1,9 +1,18 @@
 package de.dhbwstuttgart.typedeployment;

+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResultForClass;
+import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
+import de.dhbwstuttgart.bytecode.utilities.Resolver;
+import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.type.*;
 import de.dhbwstuttgart.typeinference.result.*;
+
 import org.antlr.v4.runtime.Token;
+import org.objectweb.asm.Type;

 import java.util.*;

@@ -29,62 +38,90 @@ public class TypeInsertFactory {

    public static TypeInsert createInsertPoints(RefTypeOrTPHOrWildcardOrGeneric type, Token offset, ClassOrInterface cl, Method m,
                                                ResultSet resultSet) {
-        ResolvedType resolvedType = resultSet.resolveType(type);
-        TypeInsertPoint insertPoint = new TypeInsertPoint(offset,
-                    new TypeToInsertString(resolvedType.resolvedType).insert);
-        return new TypeInsert(insertPoint, new HashSet<>());
+        
+		try {
+			ResolvedType resolvedType = resultSet.resolveType(type);
+			TypeInsertPoint insertPoint = new TypeInsertPoint(offset,
+					new TypeToInsertString(resolvedType.resolvedType).insert); 
+			List<GenericGenratorResultForSourceFile> simplifyResults = JavaTXCompiler.INSTANCE.getGeneratedGenericResultsForAllSourceFiles();
+			for (GenericGenratorResultForSourceFile simplifyResultsEntries : simplifyResults) {
+				GenericsGeneratorResultForClass genericResultsForClass = simplifyResultsEntries.getSimplifyResultsByName("", cl.getClassName().toString());
+				return new TypeInsert(insertPoint, createGenericInsert(genericResultsForClass, cl, m, resultSet), resolvedType.getResultPair());
+			}
+			
+			return new TypeInsert(insertPoint, new HashSet<>(), resolvedType.getResultPair());
+		} catch (ClassNotFoundException e) {
+			e.printStackTrace();
+		    return null;
+		}
    }

-    private static TypeInsertPoint createGenericInsert(Set<GenericInsertPair> toInsert, ClassOrInterface cl, Method m){
-        //Momentan wird Methode ignoriert. Parameter werden immer als Klassenparameter angefügt:
-        //Offset zum Einstzen bestimmen:
-        Token offset;
-        String insert = "";
-        String end;
-        if(cl.getGenerics().iterator().hasNext()){
-            //offset = cl.getGenerics().iterator().next().getOffset();
-            offset = cl.getGenerics().getOffset();
-            end=",";
-        }else{
-            offset = cl.getGenerics().getOffset();
-            insert += "<";
-            end = ">";
+    private static synchronized Set<TypeInsertPoint> createGenericInsert(GenericsGeneratorResultForClass genericResult, ClassOrInterface cl, Method m, ResultSet resultSet){
+        Set<TypeInsertPoint> result = createGenericClassInserts(genericResult, cl);
+        
+        for (Method method : cl.getMethods()) {        	
+        	Resolver resolver = new Resolver(resultSet);
+        	List<GenericsGeneratorResult> methodConstraints = genericResult.getMethodConstraintsByID(MethodUtility.createID(resolver, method));
+        	createMethodConstraints(method, methodConstraints);
        }
-
-        //Alle einzusetzenden Generics und deren Bounds bestimmen:
-        HashMap<TypePlaceholder, HashSet<TypePlaceholder>> genericsAndBounds = new HashMap<>();
-        for(GenericInsertPair p : toInsert){
-            if(!genericsAndBounds.containsKey(p.TA1)){
-                genericsAndBounds.put((TypePlaceholder) p.TA1, new HashSet<>());
-            }
-            if(p.TA2 != null){
-                genericsAndBounds.get(p.TA1).add((TypePlaceholder) p.TA2);
-                if(!genericsAndBounds.containsKey(p.TA2)){
-                    genericsAndBounds.put((TypePlaceholder) p.TA2, new HashSet<>());
-                }
-            }
-        }
-
-        //String zum Einsetzen (Generics mit bounds) generieren:
-        Iterator<TypePlaceholder> it = genericsAndBounds.keySet().iterator();
-        if(! it.hasNext())return new TypeInsertPoint(offset, "");
-        while(it.hasNext()){
-            TypePlaceholder tph = it.next();
-            insert += tph.getName();
-            Set<TypePlaceholder> bounds = genericsAndBounds.get(tph);
-            if(bounds.size() > 0){
-                insert += " extends ";
-                Iterator<TypePlaceholder> boundIt = bounds.iterator();
-                while(boundIt.hasNext()){
-                    TypePlaceholder bound = boundIt.next();
-                    insert += bound.getName();
-                    if(boundIt.hasNext())insert += " & ";
-                }
-            }
-            if(it.hasNext())insert+=",";
-        }
-        return new TypeInsertPoint(offset, insert + end);
+        
+        return result;
    }
+    
+    private static Set<TypeInsertPoint> createMethodConstraints(Method method, List<GenericsGeneratorResult> constraints) {
+    	Set<TypeInsertPoint> result = new HashSet<>();
+    	Token offset = new GenericDeclarationList(method.getGenerics(), new NullToken()).getOffset();
+
+		if (constraints.size() == 0) {
+			result.add(new TypeInsertPoint(offset, ""));
+			return result;
+		} 
+		
+		String insert = " <";
+
+        for (GenericsGeneratorResult genericInsertConstraint : constraints) {
+        	if (genericInsertConstraint.getConstraint().getRight().equals(Type.getInternalName(Object.class))) {
+        		insert += genericInsertConstraint.getConstraint().getLeft();
+        	} else {        		
+        		insert += genericInsertConstraint.getConstraint().getLeft() + " extends " + genericInsertConstraint.getConstraint().getRight() + ", ";
+        	}
+        }
+        
+        insert = insert.substring(0, insert.length() -2);
+        insert += ">";
+
+        result.add(new TypeInsertPoint(offset, insert));
+    	return result;
+    }
+
+	private static Set<TypeInsertPoint> createGenericClassInserts(GenericsGeneratorResultForClass genericResult, ClassOrInterface cl) {
+		Set<TypeInsertPoint> result = new HashSet<>();
+		Token offset = cl.getGenerics().getOffset();
+    	
+        List<GenericsGeneratorResult> classConstraints = genericResult.getClassConstraints();
+        
+		if (classConstraints.size() == 0) {
+			result.add(new TypeInsertPoint(offset, ""));
+			return result;
+		} 
+		
+		String insert = " <";
+
+        for (GenericsGeneratorResult genericInsertConstraint : classConstraints) {
+        	if (genericInsertConstraint.getConstraint().getRight().equals(Type.getInternalName(Object.class))) {
+        		insert += genericInsertConstraint.getConstraint().getLeft();
+        	} else {        		
+        		insert += genericInsertConstraint.getConstraint().getLeft() + " extends " + genericInsertConstraint.getConstraint().getRight() + ", ";
+        	}
+        }
+
+        insert = insert.substring(0, insert.length() -2);
+        insert += ">";
+
+        result.add(new TypeInsertPoint(offset, insert));
+        
+        return result;
+	}
 }

 class TypeToInsertString implements ResultSetVisitor{
--- a/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPoint.java
+++ b/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPoint.java
@@ -4,12 +4,14 @@ import org.antlr.v4.runtime.Token;

 import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;

+import java.time.OffsetDateTime;
 import java.util.List;
 import java.util.stream.Collectors;

 public class TypeInsertPoint {
    public Token point;
    private String insertString;
+    private int extraOffset = 0;

    public TypeInsertPoint(Token point, String toInsert){
        this.point = point;
@@ -21,19 +23,19 @@ public class TypeInsertPoint {
                //token.point.getLine() != point.getLine() && token.point.getCharPositionInLine() <= point.getCharPositionInLine()))
                token.point.getStartIndex() <= point.getStartIndex()))
                .mapToInt((typeInsertPoint -> typeInsertPoint.insertString.length())).sum();
-        return new StringBuilder(intoSource).insert(point.getStartIndex()+offset, insertString).toString();
+        return new StringBuilder(intoSource).insert(point.getStartIndex()+offset+extraOffset, insertString).toString();
    }

    public String getInsertString() {
        return insertString;
    }
-    
-    public Token getToken() {
-    	return this.point;
+       
+    public void addExtraOffset(int toAdd) {
+    	this.extraOffset += toAdd;
    }
    
-    public void setToken(Token point) {
-    	this.point = point;
+    public int getPositionInCode() {
+    	return point.getStartIndex() + extraOffset; 
    }
    
    /* PL 2018-06-19
--- a/src/main/java/de/dhbwstuttgart/typeinference/result/ResolvedType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/result/ResolvedType.java
@@ -7,6 +7,8 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import java.util.Set;

 public class ResolvedType{
+	private ResultPair<?, ?> resultPair; 
+	
    public final RefTypeOrTPHOrWildcardOrGeneric resolvedType;
    //public final Set<GenericInsertPair> additionalGenerics;

@@ -14,4 +16,12 @@ public class ResolvedType{
        this.resolvedType = resolvedType;
        //this.additionalGenerics = additionalGenerics;
    }
+
+	public void setResultPair(ResultPair<?, ?> resultPair) {
+		this.resultPair = resultPair;
+	}
+	
+	public ResultPair<?, ?> getResultPair() {
+		return resultPair;
+	}
 }
--- a/src/main/java/de/dhbwstuttgart/typeinference/result/ResultPair.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/result/ResultPair.java
@@ -27,4 +27,36 @@ public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric,B ext
    public String toString() {
    	return "(" + left.toString() + ", " + right.toString() + ")";
    }
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((left == null) ? 0 : left.getOffset().hashCode());
+		result = prime * result + ((right == null) ? 0 : right.getOffset().hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		ResultPair<?,?> other = (ResultPair<?,?>) obj;
+		if (left == null) {
+			if (other.left != null)
+				return false;
+		} else if (!left.getOffset().equals(other.left.getOffset()))
+			return false;
+		if (right == null) {
+			if (other.right != null)
+				return false;
+		} else if (!right.getOffset().equals(other.right.getOffset()))
+			return false;
+		return true;
+	}
+   
 }
--- a/src/main/java/de/dhbwstuttgart/typeinference/result/ResultSet.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/result/ResultSet.java
@@ -1,43 +1,68 @@
 package de.dhbwstuttgart.typeinference.result;

-import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
-import de.dhbwstuttgart.syntaxtree.type.*;
-
 import java.util.HashSet;
 import java.util.Set;
-import java.util.stream.Collectors;

+import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+
+@SuppressWarnings("rawtypes")
 public class ResultSet {
+
    public final Set<ResultPair> results;
    public Set<ResultPair<TypePlaceholder, TypePlaceholder>> genIns;
-    public ResultSet(Set<ResultPair> results){
-        this.results = results;
-        this.genIns =  results.stream().filter(a -> a instanceof PairTPHsmallerTPH)
-				              //.map(b -> new GenericInsertPair( (TypePlaceholder)(b.getLeft()), (TypePlaceholder)(b.getRight())))
-				              .collect(Collectors.toCollection(HashSet::new));
+
+    public ResultSet(Set<ResultPair> set){
+        this.results = set;
+        this.genIns = new HashSet<>();
+        results.forEach(x -> { if (x instanceof PairTPHsmallerTPH) { this.genIns.add(x);}} );
+    }
+    
+    public boolean contains(ResultPair toCheck) {
+    	return this.results.contains(toCheck);
+    }
+    
+    public void remove(ResultPair toCheck) {
+    	results.remove(toCheck);
    }

    public ResolvedType resolveType(RefTypeOrTPHOrWildcardOrGeneric type) {
        if(type instanceof TypePlaceholder)
            return new Resolver(this).resolve((TypePlaceholder)type);
        if(type instanceof GenericRefType)return new ResolvedType(type, new HashSet<>());
-        if(type instanceof RefType){
+        if(type instanceof RefType) {
            RelatedTypeWalker related = new RelatedTypeWalker(null, this);
            type.accept(related);
            return new ResolvedType(type, related.relatedTPHs);
-        }else{
+        } else {
            throw new NotImplementedException();
            //return new ResolvedType(type,new HashSet<>());
        }
    }

-    //TODO Beim Einsetzen eines Generics, müssen die new und Methodenaufrufe verändert werden
-    
    public String toString() {
    	return results.toString();
    }

+	@Override
+	public boolean equals(Object o) {
+		if (o instanceof ResultSet) {
+			ResultSet other = (ResultSet)o;
+			return this.results.equals(other.results);
+		} else {
+			return false;
+		}
+	}
+
+	@Override
+	public int hashCode() {
+		return results.hashCode();
+	}
 }

 class Resolver implements ResultSetVisitor {
@@ -45,6 +70,7 @@ class Resolver implements ResultSetVisitor {
    private TypePlaceholder toResolve;
    private RefTypeOrTPHOrWildcardOrGeneric resolved;
    private final Set<GenericInsertPair> additionalTPHs = new HashSet<>();
+    private ResultPair<?,?> currentPair;

    public Resolver(ResultSet resultPairs){
        this.result = resultPairs;
@@ -54,23 +80,28 @@ class Resolver implements ResultSetVisitor {
        toResolve = tph;
        resolved = null;
        System.out.println(tph.toString());
-        for(ResultPair resultPair : result.results){
+        for(ResultPair<?,?> resultPair : result.results) {
            if(resultPair instanceof PairTPHEqualTPH && ((PairTPHEqualTPH) resultPair).getLeft().equals(toResolve)){
+            	currentPair = resultPair;
                return resolve(((PairTPHEqualTPH) resultPair).getRight());
            }
        }
-        for(ResultPair resultPair : result.results){
+        for(ResultPair<?,?> resultPair : result.results){
+        	currentPair = resultPair;
            resultPair.accept(this);
        }
        if(resolved==null){//TPH kommt nicht im Result vor:
            resolved = tph;
        }

-        return new ResolvedType(resolved, additionalTPHs);//resolved;
+        ResolvedType result = new ResolvedType(resolved, additionalTPHs);//resolved;
+        result.setResultPair(currentPair);
+        return result;
    }

    @Override
    public void visit(PairTPHsmallerTPH p) {
+    	currentPair = p;
        if(p.left.equals(toResolve)){
            additionalTPHs.add(new GenericInsertPair(p.left, p.right));
            additionalTPHs.addAll(new RelatedTypeWalker(p.right, result).relatedTPHs);
@@ -81,6 +112,7 @@ class Resolver implements ResultSetVisitor {

    @Override
    public void visit(PairTPHequalRefTypeOrWildcardType p) {
+    	currentPair = p;
        if(p.left.equals(toResolve)){
            resolved = p.right;
            RelatedTypeWalker related = new RelatedTypeWalker(null, result);
@@ -126,6 +158,7 @@ class Resolver implements ResultSetVisitor {
 /**
 * Sucht aus dem Result Set den Sub/supertyp für einen TPH
 */
+@SuppressWarnings("rawtypes")
 class TPHResolver implements ResultSetVisitor {

    private final TypePlaceholder tph;
@@ -194,6 +227,7 @@ class TPHResolver implements ResultSetVisitor {
    }
 }

+@SuppressWarnings("rawtypes")
 class RelatedTypeWalker implements ResultSetVisitor {

    final Set<GenericInsertPair> relatedTPHs = new HashSet<>();
--- a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
@@ -229,7 +229,7 @@ public class TYPEStmt implements StatementVisitor{
                binary.operation.equals(BinaryExpr.Operator.MUL)||
                binary.operation.equals(BinaryExpr.Operator.MOD)||
                binary.operation.equals(BinaryExpr.Operator.ADD)||
-                binary.operation.equals(BinaryExpr.Operator.SUB)){
+                binary.operation.equals(BinaryExpr.Operator.SUB)) {
            Set<Constraint<Pair>> numericAdditionOrStringConcatenation = new HashSet<>();

 // TODO PL 2018-11-06
@@ -312,6 +312,9 @@ public class TYPEStmt implements StatementVisitor{
            		numericAdditionOrStringConcatenation.add(stringConcat);
            	}
            }
+            if(numericAdditionOrStringConcatenation.size()<1){
+                throw new TypeinferenceException("Kein Typ für " + binary.operation.toString() + "  vorhanden", binary.getOffset());
+            }
            constraintsSet.addOderConstraint(numericAdditionOrStringConcatenation);
        }else if(binary.operation.equals(BinaryExpr.Operator.LESSEQUAL) ||
                binary.operation.equals(BinaryExpr.Operator.BIGGEREQUAL) ||
@@ -355,6 +358,7 @@ public class TYPEStmt implements StatementVisitor{
            //***ACHTUNG: Moeglicherweise oder und und-Contraint falsch
    */
            //Testeise eingefuegt PL 2018-05-24
+        	//Hier sollte evtl. noch importe angefragt werden PL 2019-05-07
            constraintsSet.addUndConstraint(new Pair(binary.lexpr.getType(), number, PairOperator.SMALLERNEQDOT));
            constraintsSet.addUndConstraint(new Pair(binary.rexpr.getType(), number, PairOperator.SMALLERNEQDOT));
            //Rückgabetyp ist Boolean
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/GuavaSetOperations.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/GuavaSetOperations.java
@@ -1,23 +1,23 @@
-package de.dhbwstuttgart.typeinference.unify;
-
-import java.util.List;
-import java.util.Set;
-
-import com.google.common.collect.Sets;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.ISetOperations;
-
-/**
- * Implements set operations using google guava.
- * @author DH10STF
- *
- */
-public class GuavaSetOperations implements ISetOperations {
-
-	@Override
-	public <B> Set<List<B>> cartesianProduct(List<? extends Set<? extends B>> sets) {
-		// Wraps the call to google guava
-		return Sets.cartesianProduct(sets);
-	}
-
-}
+package de.dhbwstuttgart.typeinference.unify;
+
+import java.util.List;
+import java.util.Set;
+
+import com.google.common.collect.Sets;
+
+import de.dhbwstuttgart.typeinference.unify.interfaces.ISetOperations;
+
+/**
+ * Implements set operations using google guava.
+ * @author DH10STF
+ *
+ */
+public class GuavaSetOperations implements ISetOperations {
+
+	@Override
+	public <B> Set<List<B>> cartesianProduct(List<? extends Set<? extends B>> sets) {
+		// Wraps the call to google guava
+		return Sets.cartesianProduct(sets);
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/MartelliMontanariUnify.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/MartelliMontanariUnify.java
@@ -1,108 +1,108 @@
-package de.dhbwstuttgart.typeinference.unify;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
-import de.dhbwstuttgart.typeinference.unify.model.Unifier;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-
-/**
- * Implementation of the Martelli-Montanari unification algorithm.
- * @author Florian Steurer
- */
-public class MartelliMontanariUnify implements IUnify {
-
-	@Override
-	public Optional<Unifier> unify(Set<UnifyType> terms) {
-		// Sets with less than 2 terms are trivially unified
-		if(terms.size() < 2)
-			return Optional.of(Unifier.identity());
-		
-		// For the the set of terms {t1,...,tn},
-		// build a list of equations {(t1 = t2), (t2 = t3), (t3 = t4), ....}
-		ArrayList<UnifyPair> termsList = new ArrayList<UnifyPair>();
-		Iterator<UnifyType> iter = terms.iterator();
-		UnifyType prev = iter.next();
+package de.dhbwstuttgart.typeinference.unify;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
+import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
+import de.dhbwstuttgart.typeinference.unify.model.Unifier;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
+
+/**
+ * Implementation of the Martelli-Montanari unification algorithm.
+ * @author Florian Steurer
+ */
+public class MartelliMontanariUnify implements IUnify {
+
+	@Override
+	public Optional<Unifier> unify(Set<UnifyType> terms) {
+		// Sets with less than 2 terms are trivially unified
+		if(terms.size() < 2)
+			return Optional.of(Unifier.identity());
+		
+		// For the the set of terms {t1,...,tn},
+		// build a list of equations {(t1 = t2), (t2 = t3), (t3 = t4), ....}
+		ArrayList<UnifyPair> termsList = new ArrayList<UnifyPair>();
+		Iterator<UnifyType> iter = terms.iterator();
+		UnifyType prev = iter.next();
 		while(iter.hasNext()) {
-			UnifyType next = iter.next();
+			UnifyType next = iter.next();
 			termsList.add(new UnifyPair(prev, next, PairOperator.EQUALSDOT));
-			prev = next;
-		}
-		
-		// Start with the identity unifier. Substitutions will be added later.
-		Unifier mgu = Unifier.identity();
-		
-		// Apply rules while possible
-		int idx = 0;
-		while(idx < termsList.size()) {
-			UnifyPair pair = termsList.get(idx);
-			UnifyType rhsType = pair.getRhsType();
-			UnifyType lhsType = pair.getLhsType();
-			TypeParams rhsTypeParams = rhsType.getTypeParams();
-			TypeParams lhsTypeParams = lhsType.getTypeParams();
-			
-			// REDUCE - Rule
-			if(!(rhsType instanceof PlaceholderType) && !(lhsType instanceof PlaceholderType)) {
-				Set<UnifyPair> result = new HashSet<>();
-				
-				// f<...> = g<...> with f != g are not unifiable
-				if(!rhsType.getName().equals(lhsType.getName()))
-					return Optional.empty(); // conflict
-				// f<t1,...,tn> = f<s1,...,sm> are not unifiable
-				if(rhsTypeParams.size() != lhsTypeParams.size())
-					return Optional.empty(); // conflict
-				// f = g is not unifiable (cannot be f = f because erase rule would have been applied)
-				//if(rhsTypeParams.size() == 0)
-					//return Optional.empty();
-					
-				// Unpack the arguments
-				for(int i = 0; i < rhsTypeParams.size(); i++)
-					result.add(new UnifyPair(rhsTypeParams.get(i), lhsTypeParams.get(i), PairOperator.EQUALSDOT));
-				
-				termsList.remove(idx);
-				termsList.addAll(result);
-				continue;
-			}
-			
-			// DELETE - Rule
-			if(pair.getRhsType().equals(pair.getLhsType())) {
-				termsList.remove(idx);
-				continue; 
-			}
-
-			// SWAP - Rule
-			if(!(lhsType instanceof PlaceholderType) && (rhsType instanceof PlaceholderType)) {
-				termsList.remove(idx);
-				termsList.add(new UnifyPair(rhsType, lhsType, PairOperator.EQUALSDOT));
-				continue;
-			}
-			
-			// OCCURS-CHECK
-			if(pair.getLhsType() instanceof PlaceholderType
-					&& pair.getRhsType().getTypeParams().occurs((PlaceholderType) pair.getLhsType())) 
-				return Optional.empty();
-			
-			// SUBST - Rule
-			if(lhsType instanceof PlaceholderType) {
-				mgu.add((PlaceholderType) lhsType, rhsType);
-				//PL 2018-04-01 nach checken, ob es richtig ist, dass keine Substitutionen uebergeben werden muessen. 
-				termsList = termsList.stream().map(x -> mgu.apply(x)).collect(Collectors.toCollection(ArrayList::new));
-				idx = idx+1 == termsList.size() ? 0 : idx+1;
-				continue;
-			}
-			
-			idx++;
-		}
-		
-		return Optional.of(mgu);
-	}
-}
+			prev = next;
+		}
+		
+		// Start with the identity unifier. Substitutions will be added later.
+		Unifier mgu = Unifier.identity();
+		
+		// Apply rules while possible
+		int idx = 0;
+		while(idx < termsList.size()) {
+			UnifyPair pair = termsList.get(idx);
+			UnifyType rhsType = pair.getRhsType();
+			UnifyType lhsType = pair.getLhsType();
+			TypeParams rhsTypeParams = rhsType.getTypeParams();
+			TypeParams lhsTypeParams = lhsType.getTypeParams();
+			
+			// REDUCE - Rule
+			if(!(rhsType instanceof PlaceholderType) && !(lhsType instanceof PlaceholderType)) {
+				Set<UnifyPair> result = new HashSet<>();
+				
+				// f<...> = g<...> with f != g are not unifiable
+				if(!rhsType.getName().equals(lhsType.getName()))
+					return Optional.empty(); // conflict
+				// f<t1,...,tn> = f<s1,...,sm> are not unifiable
+				if(rhsTypeParams.size() != lhsTypeParams.size())
+					return Optional.empty(); // conflict
+				// f = g is not unifiable (cannot be f = f because erase rule would have been applied)
+				//if(rhsTypeParams.size() == 0)
+					//return Optional.empty();
+					
+				// Unpack the arguments
+				for(int i = 0; i < rhsTypeParams.size(); i++)
+					result.add(new UnifyPair(rhsTypeParams.get(i), lhsTypeParams.get(i), PairOperator.EQUALSDOT));
+				
+				termsList.remove(idx);
+				termsList.addAll(result);
+				continue;
+			}
+			
+			// DELETE - Rule
+			if(pair.getRhsType().equals(pair.getLhsType())) {
+				termsList.remove(idx);
+				continue; 
+			}
+
+			// SWAP - Rule
+			if(!(lhsType instanceof PlaceholderType) && (rhsType instanceof PlaceholderType)) {
+				termsList.remove(idx);
+				termsList.add(new UnifyPair(rhsType, lhsType, PairOperator.EQUALSDOT));
+				continue;
+			}
+			
+			// OCCURS-CHECK
+			if(pair.getLhsType() instanceof PlaceholderType
+					&& pair.getRhsType().getTypeParams().occurs((PlaceholderType) pair.getLhsType())) 
+				return Optional.empty();
+			
+			// SUBST - Rule
+			if(lhsType instanceof PlaceholderType) {
+				mgu.add((PlaceholderType) lhsType, rhsType);
+				//PL 2018-04-01 nach checken, ob es richtig ist, dass keine Substitutionen uebergeben werden muessen. 
+				termsList = termsList.stream().map(x -> mgu.apply(x)).collect(Collectors.toCollection(ArrayList::new));
+				idx = idx+1 == termsList.size() ? 0 : idx+1;
+				continue;
+			}
+			
+			idx++;
+		}
+		
+		return Optional.of(mgu);
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/Match.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/Match.java
@@ -1,91 +1,91 @@
-package de.dhbwstuttgart.typeinference.unify;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IMatch;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
-import de.dhbwstuttgart.typeinference.unify.model.Unifier;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-
-/**
- * Implementation of match derived from unification algorithm.
- * @author Martin Pluemicke
- */
-public class Match implements IMatch {
-
-	@Override
-	//A<X> =. A<Integer> ==> True
-	//A<Integer> =. A<X> ==> False
-	public Optional<Unifier> match(ArrayList<UnifyPair> termsList) {
-		
-		// Start with the identity unifier. Substitutions will be added later.
-		Unifier mgu = Unifier.identity();
-		
-		// Apply rules while possible
-		int idx = 0;
-		while(idx < termsList.size()) {
-			UnifyPair pair = termsList.get(idx);
-			UnifyType rhsType = pair.getRhsType();
-			UnifyType lhsType = pair.getLhsType();
-			TypeParams rhsTypeParams = rhsType.getTypeParams();
-			TypeParams lhsTypeParams = lhsType.getTypeParams();
-			
-			// REDUCE - Rule
-			if(!(rhsType instanceof PlaceholderType) && !(lhsType instanceof PlaceholderType)) {
-				Set<UnifyPair> result = new HashSet<>();
-				
-				// f<...> = g<...> with f != g are not unifiable
-				if(!rhsType.getName().equals(lhsType.getName()))
-					return Optional.empty(); // conflict
-				// f<t1,...,tn> = f<s1,...,sm> are not unifiable
-				if(rhsTypeParams.size() != lhsTypeParams.size())
-					return Optional.empty(); // conflict
-				// f = g is not unifiable (cannot be f = f because erase rule would have been applied)
-				//if(rhsTypeParams.size() == 0)
-					//return Optional.empty();
-					
-				// Unpack the arguments
-				for(int i = 0; i < rhsTypeParams.size(); i++)
-					result.add(new UnifyPair(lhsTypeParams.get(i), rhsTypeParams.get(i), PairOperator.EQUALSDOT));
-				
-				termsList.remove(idx);
-				termsList.addAll(result);
-				continue;
-			}
-			
-			// DELETE - Rule
-			if(pair.getRhsType().equals(pair.getLhsType())) {
-				termsList.remove(idx);
-				continue; 
-			}
-
-			// SWAP - Rule
-			if(!(lhsType instanceof PlaceholderType) && (rhsType instanceof PlaceholderType)) {
-				return Optional.empty(); // conflict
-			}
-			
-			// OCCURS-CHECK
-			//deleted
-			
-			// SUBST - Rule
-			if(lhsType instanceof PlaceholderType) {
-				mgu.add((PlaceholderType) lhsType, rhsType);
-				termsList = termsList.stream().map(mgu::applyleft).collect(Collectors.toCollection(ArrayList::new));
-				idx = idx+1 == termsList.size() ? 0 : idx+1;
-				continue;
-			}
-			
-			idx++;
-		}
-		
-		return Optional.of(mgu);
-	}
-}
+package de.dhbwstuttgart.typeinference.unify;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import de.dhbwstuttgart.typeinference.unify.interfaces.IMatch;
+import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
+import de.dhbwstuttgart.typeinference.unify.model.Unifier;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
+
+/**
+ * Implementation of match derived from unification algorithm.
+ * @author Martin Pluemicke
+ */
+public class Match implements IMatch {
+
+	@Override
+	//A<X> =. A<Integer> ==> True
+	//A<Integer> =. A<X> ==> False
+	public Optional<Unifier> match(ArrayList<UnifyPair> termsList) {
+		
+		// Start with the identity unifier. Substitutions will be added later.
+		Unifier mgu = Unifier.identity();
+		
+		// Apply rules while possible
+		int idx = 0;
+		while(idx < termsList.size()) {
+			UnifyPair pair = termsList.get(idx);
+			UnifyType rhsType = pair.getRhsType();
+			UnifyType lhsType = pair.getLhsType();
+			TypeParams rhsTypeParams = rhsType.getTypeParams();
+			TypeParams lhsTypeParams = lhsType.getTypeParams();
+			
+			// REDUCE - Rule
+			if(!(rhsType instanceof PlaceholderType) && !(lhsType instanceof PlaceholderType)) {
+				Set<UnifyPair> result = new HashSet<>();
+				
+				// f<...> = g<...> with f != g are not unifiable
+				if(!rhsType.getName().equals(lhsType.getName()))
+					return Optional.empty(); // conflict
+				// f<t1,...,tn> = f<s1,...,sm> are not unifiable
+				if(rhsTypeParams.size() != lhsTypeParams.size())
+					return Optional.empty(); // conflict
+				// f = g is not unifiable (cannot be f = f because erase rule would have been applied)
+				//if(rhsTypeParams.size() == 0)
+					//return Optional.empty();
+					
+				// Unpack the arguments
+				for(int i = 0; i < rhsTypeParams.size(); i++)
+					result.add(new UnifyPair(lhsTypeParams.get(i), rhsTypeParams.get(i), PairOperator.EQUALSDOT));
+				
+				termsList.remove(idx);
+				termsList.addAll(result);
+				continue;
+			}
+			
+			// DELETE - Rule
+			if(pair.getRhsType().equals(pair.getLhsType())) {
+				termsList.remove(idx);
+				continue; 
+			}
+
+			// SWAP - Rule
+			if(!(lhsType instanceof PlaceholderType) && (rhsType instanceof PlaceholderType)) {
+				return Optional.empty(); // conflict
+			}
+			
+			// OCCURS-CHECK
+			//deleted
+			
+			// SUBST - Rule
+			if(lhsType instanceof PlaceholderType) {
+				mgu.add((PlaceholderType) lhsType, rhsType);
+				termsList = termsList.stream().map(mgu::applyleft).collect(Collectors.toCollection(ArrayList::new));
+				idx = idx+1 == termsList.size() ? 0 : idx+1;
+				continue;
+			}
+			
+			idx++;
+		}
+		
+		return Optional.of(mgu);
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/RuleSet.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/RuleSet.java
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify.java
@@ -1,119 +1,121 @@
-package de.dhbwstuttgart.typeinference.unify;
-
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.Writer;
-import java.util.List;
-import java.util.Set;
-import java.util.concurrent.ForkJoinPool;
-
-import de.dhbwstuttgart.typeinference.constraints.Constraint;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-import de.dhbwstuttgart.typeinference.constraints.Pair;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-
-public class TypeUnify {
-	
-	/**
-	 * unify parallel ohne result modell
-	 * @param undConstrains
-	 * @param oderConstraints
-	 * @param fc
-	 * @param logFile
-	 * @param log
-	 * @param cons
-	 * @return
-	 */
-	public Set<Set<UnifyPair>> unify(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret);
-		ForkJoinPool pool = new ForkJoinPool();
-		pool.invoke(unifyTask);
-		Set<Set<UnifyPair>> res =  unifyTask.join();
-		try {
-			logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements + "\n");
-			logFile.flush();
-		}
-		catch (IOException e) {
-			System.err.println("no log-File");
-		}
-		return res;
-	}
-	
-	/**
-	 * unify asynchron mit Rückgabe UnifyResultModel ohne dass alle results gesammelt sind
-	 * @param undConstrains
-	 * @param oderConstraints
-	 * @param fc
-	 * @param logFile
-	 * @param log
-	 * @param cons
-	 * @param ret
-	 * @return
-	 */
-	public UnifyResultModel unifyAsync(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret);
-		ForkJoinPool pool = new ForkJoinPool();
-		pool.invoke(unifyTask);
-		return ret;
-	}
-	
-	/**
-	 * unify parallel mit Rückgabe UnifyResultModel nachdem alle results gesammelt sind
-	 * @param undConstrains
-	 * @param oderConstraints
-	 * @param fc
-	 * @param logFile
-	 * @param log
-	 * @param cons
-	 * @param ret
-	 * @return
-	 */
-	public UnifyResultModel unifyParallel(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret);
-		ForkJoinPool pool = new ForkJoinPool();
-		pool.invoke(unifyTask);
-		Set<Set<UnifyPair>> res =  unifyTask.join();
-		try {
-			logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements +"\n");
-			logFile.flush();
-		}
-		catch (IOException e) {
-			System.err.println("no log-File");
-		}
-		return ret;
-	}
-	
-	/*
-	public Set<Set<UnifyPair>> unifySequential(Set<UnifyPair> eq, IFiniteClosure fc, FileWriter logFile, Boolean log) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(eq, fc, false, logFile, log);
-		Set<Set<UnifyPair>> res = unifyTask.compute();
-		return res;
-	}
-	*/
-	
-	/**
-	 * unify sequentiell mit oderconstraints
-	 * @param undConstrains
-	 * @param oderConstraints
-	 * @param fc
-	 * @param logFile
-	 * @param log
-	 * @param cons
-	 * @return
-	 */
-	public Set<Set<UnifyPair>> unifyOderConstraints(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, false, logFile, log, 0, ret);
-		Set<Set<UnifyPair>> res = unifyTask.compute();
-		try {
-			logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements +"\n");
-			logFile.flush();
-		}
-		catch (IOException e) {
-			System.err.println("no log-File");
-		}
-		return res;
-	}
-
-}
+package de.dhbwstuttgart.typeinference.unify;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ForkJoinPool;
+
+import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+
+public class TypeUnify {
+	
+	/**
+	 * unify parallel ohne result modell
+	 * @param undConstrains
+	 * @param oderConstraints
+	 * @param fc
+	 * @param logFile
+	 * @param log
+	 * @param cons
+	 * @return
+	 */
+	public Set<Set<UnifyPair>> unify(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks);
+		ForkJoinPool pool = new ForkJoinPool();
+		pool.invoke(unifyTask);
+		Set<Set<UnifyPair>> res =  unifyTask.join();
+		try {
+			logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements + "\n");
+			logFile.flush();
+		}
+		catch (IOException e) {
+			System.err.println("no log-File");
+		}
+		return res;
+	}
+	
+	/**
+	 * unify asynchron mit Rückgabe UnifyResultModel ohne dass alle results gesammelt sind
+	 * @param undConstrains
+	 * @param oderConstraints
+	 * @param fc
+	 * @param logFile
+	 * @param log
+	 * @param cons
+	 * @param ret
+	 * @return
+	 */
+	public UnifyResultModel unifyAsync(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks);
+		ForkJoinPool pool = new ForkJoinPool();
+		pool.invoke(unifyTask);
+		return ret;
+	}
+	
+	/**
+	 * unify parallel mit Rückgabe UnifyResultModel nachdem alle results gesammelt sind
+	 * @param undConstrains
+	 * @param oderConstraints
+	 * @param fc
+	 * @param logFile
+	 * @param log
+	 * @param cons
+	 * @param ret
+	 * @return
+	 */
+	public UnifyResultModel unifyParallel(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks);
+		ForkJoinPool pool = new ForkJoinPool();
+		pool.invoke(unifyTask);
+		Set<Set<UnifyPair>> res =  unifyTask.join();
+		try {
+			logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements +"\n");
+			logFile.flush();
+		}
+		catch (IOException e) {
+			System.err.println("no log-File");
+		}
+		return ret;
+	}
+	
+	/*
+	public Set<Set<UnifyPair>> unifySequential(Set<UnifyPair> eq, IFiniteClosure fc, FileWriter logFile, Boolean log) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(eq, fc, false, logFile, log);
+		Set<Set<UnifyPair>> res = unifyTask.compute();
+		return res;
+	}
+	*/
+	
+	/**
+	 * unify sequentiell mit oderconstraints
+	 * @param undConstrains
+	 * @param oderConstraints
+	 * @param fc
+	 * @param logFile
+	 * @param log
+	 * @param cons
+	 * @return
+	 */
+	public Set<Set<UnifyPair>> unifyOderConstraints(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, false, logFile, log, 0, ret, usedTasks);
+		Set<Set<UnifyPair>> res = unifyTask.compute();
+		try {
+			logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements +"\n");
+			logFile.flush();
+		}
+		catch (IOException e) {
+			System.err.println("no log-File");
+		}
+		return res;
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java
@@ -3,6 +3,7 @@ package de.dhbwstuttgart.typeinference.unify;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.Writer;
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -17,8 +18,8 @@ public class TypeUnify2Task extends TypeUnifyTask {
       
       Set<Set<UnifyPair>> setToFlatten;

-       public TypeUnify2Task(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Set<UnifyPair>>> oderConstraints, Set<UnifyPair> nextSetElement, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm) {
-               super(eq, oderConstraints, fc, parallel, logFile, log, rekTiefe, urm);
+       public TypeUnify2Task(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Set<UnifyPair>>> oderConstraints, Set<UnifyPair> nextSetElement, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks) {
+               super(eq, oderConstraints, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
               this.setToFlatten = setToFlatten;
               this.nextSetElement = nextSetElement;
       }
@@ -38,9 +39,17 @@ public class TypeUnify2Task extends TypeUnifyTask {
                       return new HashSet<>(); }
               else
               */ 
-               noOfThread--;
-               return res;
-       }
+               //writeLog("xxx");
+               //noOfThread--;
+               synchronized (usedTasks) {
+            	   if (this.myIsCancelled()) {
+   						return new HashSet<>();
+   					}
+   					else {
+   						return res;
+   					}
+   				}
+       	}
       
       public void closeLogFile() {

--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyTaskModel.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyTaskModel.java
@@ -0,0 +1,18 @@
+package de.dhbwstuttgart.typeinference.unify;
+
+import java.util.ArrayList;
+
+public class UnifyTaskModel {
+
+	ArrayList<TypeUnifyTask> usedTasks = new ArrayList<>();
+	
+	public synchronized void add(TypeUnifyTask t) {
+		usedTasks.add(t);
+	}
+    
+    public synchronized void cancel() {
+    	for(TypeUnifyTask t : usedTasks) {
+    		t.myCancel(true);
+    	}
+    }
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java
@@ -1,68 +1,68 @@
-package de.dhbwstuttgart.typeinference.unify.interfaces;
-
-import java.util.Optional;
-import java.util.Set;
-
-import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typeinference.unify.model.FunNType;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
-import de.dhbwstuttgart.typeinference.unify.model.SuperType;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-
-/**
- * 
- * @author Florian Steurer
- */
-public interface IFiniteClosure {
-	
-	public void setLogTrue();
-	/**
-	 * Returns all types of the finite closure that are subtypes of the argument.
-	 * @return The set of subtypes of the argument.
-	 */
-	public Set<UnifyType> smaller(UnifyType type, Set<UnifyType> fBounded);
-	
-	/**
-	 * Returns all types of the finite closure that are supertypes of the argument.
-	 * @return The set of supertypes of the argument.
-	 */
-	public Set<UnifyType> greater(UnifyType type, Set<UnifyType> fBounded);
-
-	/**
-	 * Wo passt Type rein?
-	 * @param type
-	 * @return
-	 */
-	public Set<UnifyType> grArg(UnifyType type, Set<UnifyType> fBounded);
-	
-	/**
-	 * Was passt in Type rein?
-	 * @param type
-	 * @return
-	 */
-	public Set<UnifyType> smArg(UnifyType type, Set<UnifyType> fBounded);
-	
-	public Set<UnifyType> grArg(ReferenceType type, Set<UnifyType> fBounded);
-	public Set<UnifyType> smArg(ReferenceType type, Set<UnifyType> fBounded);
-	
-	public Set<UnifyType> grArg(ExtendsType type, Set<UnifyType> fBounded);
-	public Set<UnifyType> smArg(ExtendsType type, Set<UnifyType> fBounded);
-	
-	public Set<UnifyType> grArg(SuperType type, Set<UnifyType> fBounded);
-	public Set<UnifyType> smArg(SuperType type, Set<UnifyType> fBounded);
+package de.dhbwstuttgart.typeinference.unify.interfaces;

-	public Set<UnifyType> grArg(PlaceholderType type, Set<UnifyType> fBounded);
-	public Set<UnifyType> smArg(PlaceholderType type, Set<UnifyType> fBounded);
+import java.util.Optional;
+import java.util.Set;
+
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+import de.dhbwstuttgart.typeinference.unify.model.FunNType;
+import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
+
+/**
+ * 
+ * @author Florian Steurer
+ */
+public interface IFiniteClosure {
+	
+	public void setLogTrue();
+	/**
+	 * Returns all types of the finite closure that are subtypes of the argument.
+	 * @return The set of subtypes of the argument.
+	 */
+	public Set<UnifyType> smaller(UnifyType type, Set<UnifyType> fBounded);
+	
+	/**
+	 * Returns all types of the finite closure that are supertypes of the argument.
+	 * @return The set of supertypes of the argument.
+	 */
+	public Set<UnifyType> greater(UnifyType type, Set<UnifyType> fBounded);
+
+	/**
+	 * Wo passt Type rein?
+	 * @param type
+	 * @return
+	 */
+	public Set<UnifyType> grArg(UnifyType type, Set<UnifyType> fBounded);
+	
+	/**
+	 * Was passt in Type rein?
+	 * @param type
+	 * @return
+	 */
+	public Set<UnifyType> smArg(UnifyType type, Set<UnifyType> fBounded);
+	
+	public Set<UnifyType> grArg(ReferenceType type, Set<UnifyType> fBounded);
+	public Set<UnifyType> smArg(ReferenceType type, Set<UnifyType> fBounded);
+	
+	public Set<UnifyType> grArg(ExtendsType type, Set<UnifyType> fBounded);
+	public Set<UnifyType> smArg(ExtendsType type, Set<UnifyType> fBounded);
+	
+	public Set<UnifyType> grArg(SuperType type, Set<UnifyType> fBounded);
+	public Set<UnifyType> smArg(SuperType type, Set<UnifyType> fBounded);
+
+	public Set<UnifyType> grArg(PlaceholderType type, Set<UnifyType> fBounded);
+	public Set<UnifyType> smArg(PlaceholderType type, Set<UnifyType> fBounded);
+
+	public Set<UnifyType> grArg(FunNType type, Set<UnifyType> fBounded);
+	public Set<UnifyType> smArg(FunNType type, Set<UnifyType> fBounded);
+	
+	public Optional<UnifyType> getLeftHandedType(String typeName);
+	public Set<UnifyType> getAncestors(UnifyType t);
+	public Set<UnifyType> getChildren(UnifyType t);
+	public Set<UnifyType> getAllTypesByName(String typeName);

-	public Set<UnifyType> grArg(FunNType type, Set<UnifyType> fBounded);
-	public Set<UnifyType> smArg(FunNType type, Set<UnifyType> fBounded);
-	
-	public Optional<UnifyType> getLeftHandedType(String typeName);
-	public Set<UnifyType> getAncestors(UnifyType t);
-	public Set<UnifyType> getChildren(UnifyType t);
-	public Set<UnifyType> getAllTypesByName(String typeName);
-
 	public int compare(UnifyType rhsType, UnifyType rhsType2, PairOperator pairop);
-}
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IMatch.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IMatch.java
@@ -1,29 +1,29 @@
-package de.dhbwstuttgart.typeinference.unify.interfaces;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-import de.dhbwstuttgart.typeinference.unify.model.Unifier;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-
-/**
- * Match
- * @author Martin Pluemicke
- * abgeleitet aus IUnify.java
- */
-public interface IMatch {
-	
-	/**
-	 * Finds the most general matcher sigma of the set {t1 =. t1',...,tn =. tn'} so that
-	 * sigma(t1) = t1' , ... sigma(tn) = tn'. 
-	 * @param terms The set of terms to be matched
-	 * @return An optional of the most general matcher if it exists or an empty optional if there is no matcher.
-	 */
-	public Optional<Unifier> match(ArrayList<UnifyPair> termsList);
-	
-
-}
+package de.dhbwstuttgart.typeinference.unify.interfaces;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
+import de.dhbwstuttgart.typeinference.unify.model.Unifier;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+
+/**
+ * Match
+ * @author Martin Pluemicke
+ * abgeleitet aus IUnify.java
+ */
+public interface IMatch {
+	
+	/**
+	 * Finds the most general matcher sigma of the set {t1 =. t1',...,tn =. tn'} so that
+	 * sigma(t1) = t1' , ... sigma(tn) = tn'. 
+	 * @param terms The set of terms to be matched
+	 * @return An optional of the most general matcher if it exists or an empty optional if there is no matcher.
+	 */
+	public Optional<Unifier> match(ArrayList<UnifyPair> termsList);
+	
+
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
@@ -1,102 +1,102 @@
-package de.dhbwstuttgart.typeinference.unify.interfaces;
-
-import java.util.List;
-import java.util.Optional;
-import java.util.Set;
-
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-
-/**
- * Contains the inference rules that are applied to the set Eq.
- * @author Florian Steurer
- */
-public interface IRuleSet {
-	
-	public Optional<UnifyPair> reduceUp(UnifyPair pair);
-	public Optional<UnifyPair> reduceLow(UnifyPair pair);
-	public Optional<UnifyPair> reduceUpLow(UnifyPair pair);
-	public Optional<Set<UnifyPair>> reduceExt(UnifyPair pair, IFiniteClosure fc);
-	public Optional<Set<UnifyPair>> reduceSup(UnifyPair pair, IFiniteClosure fc);
-	public Optional<Set<UnifyPair>> reduceEq(UnifyPair pair);
-	public Optional<Set<UnifyPair>> reduce1(UnifyPair pair, IFiniteClosure fc);
-	public Optional<Set<UnifyPair>> reduce2(UnifyPair pair);
-	
-	/*
-	 * Missing Reduce-Rules for Wildcards
-	 */
-	public Optional<UnifyPair> reduceWildcardLow(UnifyPair pair);
-	public Optional<UnifyPair> reduceWildcardLowRight(UnifyPair pair);
-	public Optional<UnifyPair> reduceWildcardUp(UnifyPair pair);
-	public Optional<UnifyPair> reduceWildcardUpRight(UnifyPair pair);
-	
-	/*
-	 * vgl. JAVA_BSP/Wildcard6.java
-	public Optional<UnifyPair> reduceWildcardLowUp(UnifyPair pair);
-	public Optional<UnifyPair> reduceWildcardUpLow(UnifyPair pair);
-	public Optional<UnifyPair> reduceWildcardLeft(UnifyPair pair);
-	 */
-	
-	/*
-	 * Additional Rules which replace cases of the cartesian product
-	 */
-	
-	/**
-	 * Rule that replaces the fourth case of the cartesian product where (a <.? Theta)
-	 */
-	public Optional<UnifyPair> reduceTph(UnifyPair pair);
-	
-	/**
-	 * Rule that replaces the sixth case of the cartesian product where (? ext Theta <.? a)
-	 */
-	public Optional<Set<UnifyPair>> reduceTphExt(UnifyPair pair);
-	
-	/**
-	 * Rule that replaces the fourth case of the cartesian product where (? sup Theta <.? a)
-	 */
-	public Optional<Set<UnifyPair>> reduceTphSup(UnifyPair pair);
-	
-	/*
-	 * FunN Rules
-	 */
-	public Optional<Set<UnifyPair>> reduceFunN(UnifyPair pair);
-	public Optional<Set<UnifyPair>> greaterFunN(UnifyPair pair);
-	public Optional<Set<UnifyPair>> smallerFunN(UnifyPair pair);
-	
-	/**
-	 * Checks whether the erase1-Rule applies to the pair.
-	 * @return True if the pair is erasable, false otherwise.
-	 */
-	public boolean erase1(UnifyPair pair, IFiniteClosure fc);
-	
-	/**
-	 * Checks whether the erase2-Rule applies to the pair.
-	 * @return True if the pair is erasable, false otherwise.
-	 */
-	public boolean erase2(UnifyPair pair, IFiniteClosure fc);
-	
-	/**
-	 * Checks whether the erase3-Rule applies to the pair.
-	 * @return True if the pair is erasable, false otherwise.
-	 */
-	public boolean erase3(UnifyPair pair);
-	
-	public Optional<UnifyPair> swap(UnifyPair pair);
-	
-	public Optional<UnifyPair> adapt(UnifyPair pair, IFiniteClosure fc);
-	public Optional<UnifyPair> adaptExt(UnifyPair pair, IFiniteClosure fc);
-	public Optional<UnifyPair> adaptSup(UnifyPair pair, IFiniteClosure fc);
-	
-	/**
-	 * Applies the subst-Rule to a set of pairs (usually Eq').
-	 * @param pairs The set of pairs where the subst rule should apply.
-	 * @return An optional of the modified set, if there were any substitutions. An empty optional if there were no substitutions.
-	 */
-	public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs, List<Set<Set<UnifyPair>>> oderConstraints);
-	
-	/**
-	 * Applies the subst-Rule to a set of pairs (usually Eq').
-	 * @param pairs The set of pairs where the subst rule should apply.
-	 * @return An optional of the modified set, if there were any substitutions. An empty optional if there were no substitutions.
-	 */
-	public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs);
-}
+package de.dhbwstuttgart.typeinference.unify.interfaces;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+
+import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+
+/**
+ * Contains the inference rules that are applied to the set Eq.
+ * @author Florian Steurer
+ */
+public interface IRuleSet {
+	
+	public Optional<UnifyPair> reduceUp(UnifyPair pair);
+	public Optional<UnifyPair> reduceLow(UnifyPair pair);
+	public Optional<UnifyPair> reduceUpLow(UnifyPair pair);
+	public Optional<Set<UnifyPair>> reduceExt(UnifyPair pair, IFiniteClosure fc);
+	public Optional<Set<UnifyPair>> reduceSup(UnifyPair pair, IFiniteClosure fc);
+	public Optional<Set<UnifyPair>> reduceEq(UnifyPair pair);
+	public Optional<Set<UnifyPair>> reduce1(UnifyPair pair, IFiniteClosure fc);
+	public Optional<Set<UnifyPair>> reduce2(UnifyPair pair);
+	
+	/*
+	 * Missing Reduce-Rules for Wildcards
+	 */
+	public Optional<UnifyPair> reduceWildcardLow(UnifyPair pair);
+	public Optional<UnifyPair> reduceWildcardLowRight(UnifyPair pair);
+	public Optional<UnifyPair> reduceWildcardUp(UnifyPair pair);
+	public Optional<UnifyPair> reduceWildcardUpRight(UnifyPair pair);
+	
+	/*
+	 * vgl. JAVA_BSP/Wildcard6.java
+	public Optional<UnifyPair> reduceWildcardLowUp(UnifyPair pair);
+	public Optional<UnifyPair> reduceWildcardUpLow(UnifyPair pair);
+	public Optional<UnifyPair> reduceWildcardLeft(UnifyPair pair);
+	 */
+	
+	/*
+	 * Additional Rules which replace cases of the cartesian product
+	 */
+	
+	/**
+	 * Rule that replaces the fourth case of the cartesian product where (a <.? Theta)
+	 */
+	public Optional<UnifyPair> reduceTph(UnifyPair pair);
+	
+	/**
+	 * Rule that replaces the sixth case of the cartesian product where (? ext Theta <.? a)
+	 */
+	public Optional<Set<UnifyPair>> reduceTphExt(UnifyPair pair);
+	
+	/**
+	 * Rule that replaces the fourth case of the cartesian product where (? sup Theta <.? a)
+	 */
+	public Optional<Set<UnifyPair>> reduceTphSup(UnifyPair pair);
+	
+	/*
+	 * FunN Rules
+	 */
+	public Optional<Set<UnifyPair>> reduceFunN(UnifyPair pair);
+	public Optional<Set<UnifyPair>> greaterFunN(UnifyPair pair);
+	public Optional<Set<UnifyPair>> smallerFunN(UnifyPair pair);
+	
+	/**
+	 * Checks whether the erase1-Rule applies to the pair.
+	 * @return True if the pair is erasable, false otherwise.
+	 */
+	public boolean erase1(UnifyPair pair, IFiniteClosure fc);
+	
+	/**
+	 * Checks whether the erase2-Rule applies to the pair.
+	 * @return True if the pair is erasable, false otherwise.
+	 */
+	public boolean erase2(UnifyPair pair, IFiniteClosure fc);
+	
+	/**
+	 * Checks whether the erase3-Rule applies to the pair.
+	 * @return True if the pair is erasable, false otherwise.
+	 */
+	public boolean erase3(UnifyPair pair);
+	
+	public Optional<UnifyPair> swap(UnifyPair pair);
+	
+	public Optional<UnifyPair> adapt(UnifyPair pair, IFiniteClosure fc);
+	public Optional<UnifyPair> adaptExt(UnifyPair pair, IFiniteClosure fc);
+	public Optional<UnifyPair> adaptSup(UnifyPair pair, IFiniteClosure fc);
+	
+	/**
+	 * Applies the subst-Rule to a set of pairs (usually Eq').
+	 * @param pairs The set of pairs where the subst rule should apply.
+	 * @return An optional of the modified set, if there were any substitutions. An empty optional if there were no substitutions.
+	 */
+	public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs, List<Set<Set<UnifyPair>>> oderConstraints);
+	
+	/**
+	 * Applies the subst-Rule to a set of pairs (usually Eq').
+	 * @param pairs The set of pairs where the subst rule should apply.
+	 * @return An optional of the modified set, if there were any substitutions. An empty optional if there were no substitutions.
+	 */
+	public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs);
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/ISetOperations.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/ISetOperations.java
@@ -1,16 +1,16 @@
-package de.dhbwstuttgart.typeinference.unify.interfaces;
-
-import java.util.List;
-import java.util.Set;
-
-/**
- * Contains operations on sets.
- * @author Florian Steurer
- */
-public interface ISetOperations {
-	/**
-	 * Calculates the cartesian product of the sets.
-	 * @return The cartesian product
-	 */
-	<B> Set<List<B>> cartesianProduct(List<? extends Set<? extends B>> sets);
-}
+package de.dhbwstuttgart.typeinference.unify.interfaces;
+
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Contains operations on sets.
+ * @author Florian Steurer
+ */
+public interface ISetOperations {
+	/**
+	 * Calculates the cartesian product of the sets.
+	 * @return The cartesian product
+	 */
+	<B> Set<List<B>> cartesianProduct(List<? extends Set<? extends B>> sets);
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IUnify.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IUnify.java
@@ -1,35 +1,35 @@
-package de.dhbwstuttgart.typeinference.unify.interfaces;
-
-import java.util.Arrays;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-import de.dhbwstuttgart.typeinference.unify.model.Unifier;
-
-/**
- * Standard unification algorithm (e.g. Robinson, Paterson-Wegman, Martelli-Montanari)
- * @author Florian Steurer
- */
-public interface IUnify {
-	
-	/**
-	 * Finds the most general unifier sigma of the set {t1 =. t1',...,tn =. tn'} so that
-	 * sigma(t1) = sigma(t1') , ... sigma(tn) = sigma(tn'). 
-	 * @param terms The set of terms to be unified
-	 * @return An optional of the most general unifier if it exists or an empty optional if there is no unifier.
-	 */
-	public Optional<Unifier> unify(Set<UnifyType> terms);
-	
-	/**
-	 * Finds the most general unifier sigma of the set {t1 =. t1',...,tn =. tn'} so that
-	 * sigma(t1) = sigma(t1') , ... sigma(tn) = sigma(tn'). 
-	 * @param terms The set of terms to be unified
-	 * @return An optional of the most general unifier if it exists or an empty optional if there is no unifier.
-	 */
-	default public Optional<Unifier> unify(UnifyType... terms) {
-		return unify(Arrays.stream(terms).collect(Collectors.toSet()));
-	}
-
-}
+package de.dhbwstuttgart.typeinference.unify.interfaces;
+
+import java.util.Arrays;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
+import de.dhbwstuttgart.typeinference.unify.model.Unifier;
+
+/**
+ * Standard unification algorithm (e.g. Robinson, Paterson-Wegman, Martelli-Montanari)
+ * @author Florian Steurer
+ */
+public interface IUnify {
+	
+	/**
+	 * Finds the most general unifier sigma of the set {t1 =. t1',...,tn =. tn'} so that
+	 * sigma(t1) = sigma(t1') , ... sigma(tn) = sigma(tn'). 
+	 * @param terms The set of terms to be unified
+	 * @return An optional of the most general unifier if it exists or an empty optional if there is no unifier.
+	 */
+	public Optional<Unifier> unify(Set<UnifyType> terms);
+	
+	/**
+	 * Finds the most general unifier sigma of the set {t1 =. t1',...,tn =. tn'} so that
+	 * sigma(t1) = sigma(t1') , ... sigma(tn) = sigma(tn'). 
+	 * @param terms The set of terms to be unified
+	 * @return An optional of the most general unifier if it exists or an empty optional if there is no unifier.
+	 */
+	default public Optional<Unifier> unify(UnifyType... terms) {
+		return unify(Arrays.stream(terms).collect(Collectors.toSet()));
+	}
+
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/ExtendsType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/ExtendsType.java
@@ -1,96 +1,96 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Set;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
-
-/**
- * An extends wildcard type "? extends T". 
- */
-public final class ExtendsType extends WildcardType {
-	
-	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
-		return visitor.visit(this, ht);
-	}
-	
-	/**
-	 * Creates a new extends wildcard type.
-	 * @param extendedType The extended type e.g. Integer in "? extends Integer"
-	 */
-	public ExtendsType(UnifyType extendedType) {
-		super("? extends " + extendedType.getName(), extendedType);
-		if (extendedType instanceof ExtendsType) {
-			System.out.print("");
-		}
-	}
-
-	/**
-	 * The extended type e.g. Integer in "? extends Integer"
-	 */
-	public UnifyType getExtendedType() {
-		return wildcardedType;
-	}
-	
-	/**
-	 * Sets the type parameters of the wildcarded type and returns a new extendstype that extends that type.
-	 */
-	@Override
-	public UnifyType setTypeParams(TypeParams newTp) {
-		UnifyType newType = wildcardedType.setTypeParams(newTp);
-		if(newType == wildcardedType)
-			return this; // Reduced the amount of objects created
-		return new ExtendsType(wildcardedType.setTypeParams(newTp));
-	}
-
-	@Override
-	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.smArg(this, fBounded);
-	}
-
-	@Override
-	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.grArg(this, fBounded);
-	}
-
-	@Override
-	UnifyType apply(Unifier unif) {
-		UnifyType newType = wildcardedType.apply(unif);
-		if(newType.hashCode() == wildcardedType.hashCode() && newType.equals(wildcardedType))
-			return this; // Reduced the amount of objects created
-		return new ExtendsType(newType);
-	}
-	
-	@Override
-	public int hashCode() {
-		/*
-		 * It is important that the prime that is added is different to the prime added in hashCode() of SuperType.
-		 * Otherwise ? extends T and ? super T have the same hashCode() for every Type T.
-		 */
-		return wildcardedType.hashCode() + 229; 
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof ExtendsType))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-	
-		ExtendsType other = (ExtendsType) obj;
-		
-	
-		return other.getWildcardedType().equals(wildcardedType);
-	}
-	
-	@Override
-	public String toString() {
-		return "? extends " + wildcardedType;
-	}
-
-	
-}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Set;
+
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
+
+/**
+ * An extends wildcard type "? extends T". 
+ */
+public final class ExtendsType extends WildcardType {
+	
+	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
+		return visitor.visit(this, ht);
+	}
+	
+	/**
+	 * Creates a new extends wildcard type.
+	 * @param extendedType The extended type e.g. Integer in "? extends Integer"
+	 */
+	public ExtendsType(UnifyType extendedType) {
+		super("? extends " + extendedType.getName(), extendedType);
+		if (extendedType instanceof ExtendsType) {
+			System.out.print("");
+		}
+	}
+
+	/**
+	 * The extended type e.g. Integer in "? extends Integer"
+	 */
+	public UnifyType getExtendedType() {
+		return wildcardedType;
+	}
+	
+	/**
+	 * Sets the type parameters of the wildcarded type and returns a new extendstype that extends that type.
+	 */
+	@Override
+	public UnifyType setTypeParams(TypeParams newTp) {
+		UnifyType newType = wildcardedType.setTypeParams(newTp);
+		if(newType == wildcardedType)
+			return this; // Reduced the amount of objects created
+		return new ExtendsType(wildcardedType.setTypeParams(newTp));
+	}
+
+	@Override
+	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.smArg(this, fBounded);
+	}
+
+	@Override
+	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.grArg(this, fBounded);
+	}
+
+	@Override
+	UnifyType apply(Unifier unif) {
+		UnifyType newType = wildcardedType.apply(unif);
+		if(newType.hashCode() == wildcardedType.hashCode() && newType.equals(wildcardedType))
+			return this; // Reduced the amount of objects created
+		return new ExtendsType(newType);
+	}
+	
+	@Override
+	public int hashCode() {
+		/*
+		 * It is important that the prime that is added is different to the prime added in hashCode() of SuperType.
+		 * Otherwise ? extends T and ? super T have the same hashCode() for every Type T.
+		 */
+		return wildcardedType.hashCode() + 229; 
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof ExtendsType))
+			return false;
+		
+		if(obj.hashCode() != this.hashCode())
+			return false;
+	
+		ExtendsType other = (ExtendsType) obj;
+		
+	
+		return other.getWildcardedType().equals(wildcardedType);
+	}
+	
+	@Override
+	public String toString() {
+		return "? extends " + wildcardedType;
+	}
+
+	
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/FunNType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/FunNType.java
@@ -1,103 +1,103 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Set;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
-
-/**
- * A real function type in java.
- * @author Florian Steurer
- */
-public class FunNType extends UnifyType {
-
-	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
-		return visitor.visit(this, ht);
-	}
-	
-	/**
-	 * Creates a FunN-Type with the specified TypeParameters.
-	 */
-	protected FunNType(TypeParams p) {
-		super("Fun"+(p.size()-1)+"$$", p);
-	}
-
-	/**
-	 * Creates a new FunNType.
-	 * @param tp The parameters of the type.
-	 * @return A FunNType.
-	 * @throws IllegalArgumentException is thrown when there are to few type parameters or there are wildcard-types.
-	 */
-	public static FunNType getFunNType(TypeParams tp) throws IllegalArgumentException {
-		if(tp.size() == 0)
-			throw new IllegalArgumentException("FunNTypes need at least one type parameter");
-		for(UnifyType t : tp)
-			if(t instanceof WildcardType)
-				throw new IllegalArgumentException("Invalid TypeParams for a FunNType: " + tp);
-		return new FunNType(tp);
-	}
-	
-	/**
-	 * Returns the degree of the function type, e.g. 2 for FunN<Integer, Integer, Integer>.
-	 */
-	public int getN() {
-		return typeParams.size()-1;
-	}
-	
-	@Override
-	public UnifyType setTypeParams(TypeParams newTp) {
-		if(newTp.hashCode() == typeParams.hashCode() && newTp.equals(typeParams))
-			return this;
-		return getFunNType(newTp);
-	}
-	
-	@Override
-	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.smArg(this, fBounded);
-	}
-
-	@Override
-	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.grArg(this, fBounded);
-	}
-	
-	@Override
-	UnifyType apply(Unifier unif) {
-		// TODO this bypasses the validation of the type parameters.
-		// Wildcard types can be unified into FunNTypes.
-		TypeParams newParams = typeParams.apply(unif);
-		if(newParams.hashCode() == typeParams.hashCode() && newParams.equals(typeParams))
-			return this;
-		
-		return new FunNType(newParams);
-	}
-
-	@Override
-	public Boolean wrongWildcard() {
-		return (new ArrayList<UnifyType>(Arrays.asList(getTypeParams()
-				.get())).stream().filter(x -> (x instanceof WildcardType)).findFirst().isPresent());
-	}
-	
-	@Override
-	public int hashCode() {
-		return 181 + typeParams.hashCode();
-	}
-	
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof FunNType))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-		
-		FunNType other = (FunNType) obj;
-
-		return other.getTypeParams().equals(typeParams);
-	}
-	
-}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Set;
+
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
+
+/**
+ * A real function type in java.
+ * @author Florian Steurer
+ */
+public class FunNType extends UnifyType {
+
+	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
+		return visitor.visit(this, ht);
+	}
+	
+	/**
+	 * Creates a FunN-Type with the specified TypeParameters.
+	 */
+	protected FunNType(TypeParams p) {
+		super("Fun"+(p.size()-1)+"$$", p);
+	}
+
+	/**
+	 * Creates a new FunNType.
+	 * @param tp The parameters of the type.
+	 * @return A FunNType.
+	 * @throws IllegalArgumentException is thrown when there are to few type parameters or there are wildcard-types.
+	 */
+	public static FunNType getFunNType(TypeParams tp) throws IllegalArgumentException {
+		if(tp.size() == 0)
+			throw new IllegalArgumentException("FunNTypes need at least one type parameter");
+		for(UnifyType t : tp)
+			if(t instanceof WildcardType)
+				throw new IllegalArgumentException("Invalid TypeParams for a FunNType: " + tp);
+		return new FunNType(tp);
+	}
+	
+	/**
+	 * Returns the degree of the function type, e.g. 2 for FunN<Integer, Integer, Integer>.
+	 */
+	public int getN() {
+		return typeParams.size()-1;
+	}
+	
+	@Override
+	public UnifyType setTypeParams(TypeParams newTp) {
+		if(newTp.hashCode() == typeParams.hashCode() && newTp.equals(typeParams))
+			return this;
+		return getFunNType(newTp);
+	}
+	
+	@Override
+	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.smArg(this, fBounded);
+	}
+
+	@Override
+	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.grArg(this, fBounded);
+	}
+	
+	@Override
+	UnifyType apply(Unifier unif) {
+		// TODO this bypasses the validation of the type parameters.
+		// Wildcard types can be unified into FunNTypes.
+		TypeParams newParams = typeParams.apply(unif);
+		if(newParams.hashCode() == typeParams.hashCode() && newParams.equals(typeParams))
+			return this;
+		
+		return new FunNType(newParams);
+	}
+
+	@Override
+	public Boolean wrongWildcard() {
+		return (new ArrayList<UnifyType>(Arrays.asList(getTypeParams()
+				.get())).stream().filter(x -> (x instanceof WildcardType)).findFirst().isPresent());
+	}
+	
+	@Override
+	public int hashCode() {
+		return 181 + typeParams.hashCode();
+	}
+	
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof FunNType))
+			return false;
+		
+		if(obj.hashCode() != this.hashCode())
+			return false;
+		
+		FunNType other = (FunNType) obj;
+
+		return other.getTypeParams().equals(typeParams);
+	}
+	
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/Node.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/Node.java
@@ -1,100 +1,100 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.HashSet;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-/**
- * A node of a directed graph.
- * @author Florian Steurer
- *
- * @param <T> The type of the content of the node.
- */
-class Node<T> {
-	
-	/**
-	 * The content of the node.
-	 */
-	private T content;
-	
-	/**
-	 * The set of predecessors
-	 */
-	private HashSet<Node<T>> predecessors = new HashSet<>();
-	
-	/**
-	 * The set of descendants
-	 */
-	private HashSet<Node<T>> descendants = new HashSet<>();
-	
-	/**
-	 * Creates a node containing the specified content.
-	 */
-	public Node(T content) {
-		this.content = content;
-	}
-	
-	/**
-	 * Adds a directed edge from this node to the descendant (this -> descendant)
-	 */
-	public void addDescendant(Node<T> descendant) {
-		if(descendants.contains(descendant))
-			return;
-		
-		descendants.add(descendant);
-		descendant.addPredecessor(this);
-	}
-	
-	/**
-	 * Adds a directed edge from the predecessor to this node (predecessor -> this)
-	 */
-	public void addPredecessor(Node<T> predecessor) {
-		if(predecessors.contains(predecessor))
-			return;
-		
-		predecessors.add(predecessor);
-		predecessor.addDescendant(this);
-	}
-	
-	/**
-	 * The content of this node.
-	 */
-	public T getContent() {
-		return content;
-	}
-	
-	/**
-	 * Returns all predecessors (nodes that have a directed edge to this node)
-	 */
-	public Set<Node<T>> getPredecessors() {
-		return predecessors;
-	}
-	
-	/**
-	 * Returns all descendants. All nodes M, where there is a edge from this node to the node M.
-	 * @return
-	 */
-	public Set<Node<T>> getDescendants() {
-		return descendants;
-	}
-	
-	/**
-	 * Retrieves the content of all descendants.
-	 */
-	public Set<T> getContentOfDescendants() {
-		return descendants.stream().map(x -> x.getContent()).collect(Collectors.toSet());
-	}
-	
-	/**
-	 * Retrieves the content of all predecessors.
-	 */
-	public Set<T> getContentOfPredecessors() {
-		return predecessors.stream().map(x -> x.getContent()).collect(Collectors.toSet());
-	}
-	
-	@Override
-	public String toString() {
-		return "Elem: Node(" + content.toString() + ")\nPrec: " + getContentOfPredecessors().toString() 
-				+ "\nDesc: " + getContentOfDescendants().toString() + "\n\n";
-	}
-}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * A node of a directed graph.
+ * @author Florian Steurer
+ *
+ * @param <T> The type of the content of the node.
+ */
+class Node<T> {
+	
+	/**
+	 * The content of the node.
+	 */
+	private T content;
+	
+	/**
+	 * The set of predecessors
+	 */
+	private HashSet<Node<T>> predecessors = new HashSet<>();
+	
+	/**
+	 * The set of descendants
+	 */
+	private HashSet<Node<T>> descendants = new HashSet<>();
+	
+	/**
+	 * Creates a node containing the specified content.
+	 */
+	public Node(T content) {
+		this.content = content;
+	}
+	
+	/**
+	 * Adds a directed edge from this node to the descendant (this -> descendant)
+	 */
+	public void addDescendant(Node<T> descendant) {
+		if(descendants.contains(descendant))
+			return;
+		
+		descendants.add(descendant);
+		descendant.addPredecessor(this);
+	}
+	
+	/**
+	 * Adds a directed edge from the predecessor to this node (predecessor -> this)
+	 */
+	public void addPredecessor(Node<T> predecessor) {
+		if(predecessors.contains(predecessor))
+			return;
+		
+		predecessors.add(predecessor);
+		predecessor.addDescendant(this);
+	}
+	
+	/**
+	 * The content of this node.
+	 */
+	public T getContent() {
+		return content;
+	}
+	
+	/**
+	 * Returns all predecessors (nodes that have a directed edge to this node)
+	 */
+	public Set<Node<T>> getPredecessors() {
+		return predecessors;
+	}
+	
+	/**
+	 * Returns all descendants. All nodes M, where there is a edge from this node to the node M.
+	 * @return
+	 */
+	public Set<Node<T>> getDescendants() {
+		return descendants;
+	}
+	
+	/**
+	 * Retrieves the content of all descendants.
+	 */
+	public Set<T> getContentOfDescendants() {
+		return descendants.stream().map(x -> x.getContent()).collect(Collectors.toSet());
+	}
+	
+	/**
+	 * Retrieves the content of all predecessors.
+	 */
+	public Set<T> getContentOfPredecessors() {
+		return predecessors.stream().map(x -> x.getContent()).collect(Collectors.toSet());
+	}
+	
+	@Override
+	public String toString() {
+		return "Elem: Node(" + content.toString() + ")\nPrec: " + getContentOfPredecessors().toString() 
+				+ "\nDesc: " + getContentOfDescendants().toString() + "\n\n";
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
@@ -1,195 +1,195 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.io.File;
-import java.io.FileWriter;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Random;
-import java.util.Set;
-
-import de.dhbwstuttgart.typeinference.unify.distributeVariance;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
-
-/**
- * An unbounded placeholder type.
- * @author Florian Steurer
- */
-public final class PlaceholderType extends UnifyType{
-	
-	/**
-	 * Static list containing the names of all existing placeholders.
-	 * Used for generating fresh placeholders.
-	 */
-	public static final ArrayList<String> EXISTING_PLACEHOLDERS = new ArrayList<String>();
-	
-	/**
-	 * Prefix of auto-generated placeholder names.
-	 */
-	protected static String nextName = "gen_";
-	
-	/**
-	 * Random number generator used to generate fresh placeholder name.
-	 */
-	protected static Random rnd = new Random(43558747548978L);
-	
-	/**
-	 * True if this object was auto-generated, false if this object was user-generated.
-	 */
-	private final boolean IsGenerated;
-	
-	
-	/**
-	 * isWildcardable gibt an, ob ein Wildcardtyp dem PlaceholderType zugeordnet werden darf 
-	 */
-	private boolean wildcardable = true;  
-	
-	/**
-	 * is innerType gibt an, ob der Type des PlaceholderType innerhalb eines Typkonstruktorsverwendet wird
-	 */
-	private boolean innerType = false;  
-	
-	/**
-     * variance shows the variance of the pair
-     * -1: contravariant
-     * 1 covariant
-     * 0 invariant
-     * PL 2018-03-21
-     */
-    private int variance = 0;
-	
-	/**
-	 * Creates a new placeholder type with the specified name.
-	 */
-	public PlaceholderType(String name) {
-		super(name, new TypeParams());
-		EXISTING_PLACEHOLDERS.add(name); // Add to list of existing placeholder names
-		IsGenerated = false; // This type is user generated
-	}
-	
-	/**
-	 * Creates a new placeholdertype 
-	 * @param isGenerated true if this placeholder is auto-generated, false if it is user-generated.
-	 */
-	protected PlaceholderType(String name, boolean isGenerated) {
-		super(name, new TypeParams());
-		EXISTING_PLACEHOLDERS.add(name); // Add to list of existing placeholder names
-		IsGenerated = isGenerated;
-	}
-	
-	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
-		return visitor.visit(this, ht);
-	}
-	
-	/**
-	 * Creates a fresh placeholder type with a name that does so far not exist.
-	 * A user could later instantiate a type using the same name that is equivalent to this type.
-	 * @return A fresh placeholder type.
-	 */
-	public synchronized static PlaceholderType freshPlaceholder() {
-		String name = nextName + (char) (rnd.nextInt(22) + 97); // Returns random char between 'a' and 'z'
-		// Add random chars while the name is in use.
-		while(EXISTING_PLACEHOLDERS.contains(name)) {
-			name += (char) (rnd.nextInt(22) + 97); // Returns random char between 'a' and 'z'
-		}
-		return new PlaceholderType(name, true);
-	}
-	
-	
-	/**
-	 * True if this placeholder is auto-generated, false if it is user-generated.
-	 */
-	public boolean isGenerated() {
-		return IsGenerated;
-	}
-
-	public void setVariance(int v) {
-		variance = v;
-	}
-	
-	public int getVariance() {
-		return variance;
-	}
-	
-	public void reversVariance() {
-		if (variance == 1) {
-			setVariance(-1);
-		} else {
-	    if (variance == -1) {
-			setVariance(1);
-		}}
-	}
-	
-	public Boolean isWildcardable() {
-		return wildcardable;
-	}
-	public void disableWildcardtable() {
-		wildcardable = false;
-	}
-	
-	public void enableWildcardtable() {
-		wildcardable = true;
-	}
-	
-	public void setWildcardtable(Boolean wildcardable) {
-		this.wildcardable = wildcardable;
-	}
-	
-	public Boolean isInnerType() {
-		return innerType;
-	}
-	
-	public void setInnerType(Boolean innerType) {
-		this.innerType = innerType;
-	}
-	
-	@Override
-	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.smArg(this, fBounded);
-	}
-
-	@Override
-	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.grArg(this, fBounded);
-	}
-	
-	@Override
-	public UnifyType setTypeParams(TypeParams newTp) {
-		return this; // Placeholders never have params.
-	}
-	
-	@Override
-	public int hashCode() {
-		return typeName.hashCode();
-	}
-	
-	@Override
-	UnifyType apply(Unifier unif) {
-		if(unif.hasSubstitute(this)) {
-			UnifyType ret = unif.getSubstitute(this);
-			//PL 2018-05-17 Auskommentierung muesste korrekt sein,
-			//bereits in JavaTXComplier Variancen gesetzt werden.
-			//ret.accept(new distributeVariance(), this.getVariance());
-			return ret;
-		}
-		return this;
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof PlaceholderType))
-			return false;
-		
-		return ((PlaceholderType) obj).getName().equals(typeName);
-	}
-	
-
-	@Override
-	public Collection<PlaceholderType> getInvolvedPlaceholderTypes() {
-		ArrayList<PlaceholderType> ret = new ArrayList<>();
-		ret.add(this);
-		return ret;
-	}
-}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Random;
+import java.util.Set;
+
+import de.dhbwstuttgart.typeinference.unify.distributeVariance;
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
+
+/**
+ * An unbounded placeholder type.
+ * @author Florian Steurer
+ */
+public final class PlaceholderType extends UnifyType{
+	
+	/**
+	 * Static list containing the names of all existing placeholders.
+	 * Used for generating fresh placeholders.
+	 */
+	public static final ArrayList<String> EXISTING_PLACEHOLDERS = new ArrayList<String>();
+	
+	/**
+	 * Prefix of auto-generated placeholder names.
+	 */
+	protected static String nextName = "gen_";
+	
+	/**
+	 * Random number generator used to generate fresh placeholder name.
+	 */
+	protected static Random rnd = new Random(43558747548978L);
+	
+	/**
+	 * True if this object was auto-generated, false if this object was user-generated.
+	 */
+	private final boolean IsGenerated;
+	
+	
+	/**
+	 * isWildcardable gibt an, ob ein Wildcardtyp dem PlaceholderType zugeordnet werden darf 
+	 */
+	private boolean wildcardable = true;  
+	
+	/**
+	 * is innerType gibt an, ob der Type des PlaceholderType innerhalb eines Typkonstruktorsverwendet wird
+	 */
+	private boolean innerType = false;  
+	
+	/**
+     * variance shows the variance of the pair
+     * -1: contravariant
+     * 1 covariant
+     * 0 invariant
+     * PL 2018-03-21
+     */
+    private int variance = 0;
+	
+	/**
+	 * Creates a new placeholder type with the specified name.
+	 */
+	public PlaceholderType(String name) {
+		super(name, new TypeParams());
+		EXISTING_PLACEHOLDERS.add(name); // Add to list of existing placeholder names
+		IsGenerated = false; // This type is user generated
+	}
+	
+	/**
+	 * Creates a new placeholdertype 
+	 * @param isGenerated true if this placeholder is auto-generated, false if it is user-generated.
+	 */
+	protected PlaceholderType(String name, boolean isGenerated) {
+		super(name, new TypeParams());
+		EXISTING_PLACEHOLDERS.add(name); // Add to list of existing placeholder names
+		IsGenerated = isGenerated;
+	}
+	
+	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
+		return visitor.visit(this, ht);
+	}
+	
+	/**
+	 * Creates a fresh placeholder type with a name that does so far not exist.
+	 * A user could later instantiate a type using the same name that is equivalent to this type.
+	 * @return A fresh placeholder type.
+	 */
+	public synchronized static PlaceholderType freshPlaceholder() {
+		String name = nextName + (char) (rnd.nextInt(22) + 97); // Returns random char between 'a' and 'z'
+		// Add random chars while the name is in use.
+		while(EXISTING_PLACEHOLDERS.contains(name)) {
+			name += (char) (rnd.nextInt(22) + 97); // Returns random char between 'a' and 'z'
+		}
+		return new PlaceholderType(name, true);
+	}
+	
+	
+	/**
+	 * True if this placeholder is auto-generated, false if it is user-generated.
+	 */
+	public boolean isGenerated() {
+		return IsGenerated;
+	}
+
+	public void setVariance(int v) {
+		variance = v;
+	}
+	
+	public int getVariance() {
+		return variance;
+	}
+	
+	public void reversVariance() {
+		if (variance == 1) {
+			setVariance(-1);
+		} else {
+	    if (variance == -1) {
+			setVariance(1);
+		}}
+	}
+	
+	public Boolean isWildcardable() {
+		return wildcardable;
+	}
+	public void disableWildcardtable() {
+		wildcardable = false;
+	}
+	
+	public void enableWildcardtable() {
+		wildcardable = true;
+	}
+	
+	public void setWildcardtable(Boolean wildcardable) {
+		this.wildcardable = wildcardable;
+	}
+	
+	public Boolean isInnerType() {
+		return innerType;
+	}
+	
+	public void setInnerType(Boolean innerType) {
+		this.innerType = innerType;
+	}
+	
+	@Override
+	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.smArg(this, fBounded);
+	}
+
+	@Override
+	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.grArg(this, fBounded);
+	}
+	
+	@Override
+	public UnifyType setTypeParams(TypeParams newTp) {
+		return this; // Placeholders never have params.
+	}
+	
+	@Override
+	public int hashCode() {
+		return typeName.hashCode();
+	}
+	
+	@Override
+	UnifyType apply(Unifier unif) {
+		if(unif.hasSubstitute(this)) {
+			UnifyType ret = unif.getSubstitute(this);
+			//PL 2018-05-17 Auskommentierung muesste korrekt sein,
+			//bereits in JavaTXComplier Variancen gesetzt werden.
+			//ret.accept(new distributeVariance(), this.getVariance());
+			return ret;
+		}
+		return this;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof PlaceholderType))
+			return false;
+		
+		return ((PlaceholderType) obj).getName().equals(typeName);
+	}
+	
+
+	@Override
+	public Collection<PlaceholderType> getInvolvedPlaceholderTypes() {
+		ArrayList<PlaceholderType> ret = new ArrayList<>();
+		ret.add(this);
+		return ret;
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/ReferenceType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/ReferenceType.java
@@ -1,100 +1,100 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.HashMap;
-import java.util.Set;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
-
-/**
- * A reference type e.q. Integer or List<T>.
- * @author Florian Steurer
- *
- */
-public class ReferenceType extends UnifyType {
-	
-	/**
-	 * The buffered hashCode
-	 */
-	private final int hashCode;
-	
-	/**
-	 * gibt an, ob der ReferenceType eine generische Typvariable ist
-	 */
-	private final boolean genericTypeVar;
-	
-
-	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
-		return visitor.visit(this, ht);
-	}
-	
-	public ReferenceType(String name, Boolean genericTypeVar) {
-		super(name, new TypeParams());
-		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
-		this.genericTypeVar = genericTypeVar;
-	}
-	
-	public ReferenceType(String name, UnifyType... params) {
-		super(name, new TypeParams(params));
-		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
-		genericTypeVar = false;
-	}
-	
-	public ReferenceType(String name, TypeParams params) {
-		super(name, params);
-		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
-		genericTypeVar = false;
-	}
-
-	public boolean isGenTypeVar () { 
-		return genericTypeVar;
-	}
-	
-	@Override
-	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.smArg(this, fBounded);
-	}
-
-	@Override
-	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.grArg(this, fBounded);
-	}
-
-	@Override
-	UnifyType apply(Unifier unif) {
-		TypeParams newParams = typeParams.apply(unif);
-		
-		if(newParams.hashCode() == typeParams.hashCode() && newParams.equals(typeParams))
-			return this;
-		
-		return new ReferenceType(typeName, newParams);
-	}
-	
-	@Override
-	public UnifyType setTypeParams(TypeParams newTp) {
-		if(newTp.hashCode() == typeParams.hashCode() && newTp.equals(typeParams))
-			return this; // reduced the amount of objects created
-		return new ReferenceType(typeName, newTp);
-	}
-	
-	@Override
-	public int hashCode() {
-		return hashCode;
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof ReferenceType))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-		
-		ReferenceType other = (ReferenceType) obj;
-		
-		if(!other.getName().equals(typeName))
-			return false;
-
-		return other.getTypeParams().equals(typeParams);
-	}
-}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.HashMap;
+import java.util.Set;
+
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
+
+/**
+ * A reference type e.q. Integer or List<T>.
+ * @author Florian Steurer
+ *
+ */
+public class ReferenceType extends UnifyType {
+	
+	/**
+	 * The buffered hashCode
+	 */
+	private final int hashCode;
+	
+	/**
+	 * gibt an, ob der ReferenceType eine generische Typvariable ist
+	 */
+	private final boolean genericTypeVar;
+	
+
+	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
+		return visitor.visit(this, ht);
+	}
+	
+	public ReferenceType(String name, Boolean genericTypeVar) {
+		super(name, new TypeParams());
+		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
+		this.genericTypeVar = genericTypeVar;
+	}
+	
+	public ReferenceType(String name, UnifyType... params) {
+		super(name, new TypeParams(params));
+		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
+		genericTypeVar = false;
+	}
+	
+	public ReferenceType(String name, TypeParams params) {
+		super(name, params);
+		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
+		genericTypeVar = false;
+	}
+
+	public boolean isGenTypeVar () { 
+		return genericTypeVar;
+	}
+	
+	@Override
+	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.smArg(this, fBounded);
+	}
+
+	@Override
+	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.grArg(this, fBounded);
+	}
+
+	@Override
+	UnifyType apply(Unifier unif) {
+		TypeParams newParams = typeParams.apply(unif);
+		
+		if(newParams.hashCode() == typeParams.hashCode() && newParams.equals(typeParams))
+			return this;
+		
+		return new ReferenceType(typeName, newParams);
+	}
+	
+	@Override
+	public UnifyType setTypeParams(TypeParams newTp) {
+		if(newTp.hashCode() == typeParams.hashCode() && newTp.equals(typeParams))
+			return this; // reduced the amount of objects created
+		return new ReferenceType(typeName, newTp);
+	}
+	
+	@Override
+	public int hashCode() {
+		return hashCode;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof ReferenceType))
+			return false;
+		
+		if(obj.hashCode() != this.hashCode())
+			return false;
+		
+		ReferenceType other = (ReferenceType) obj;
+		
+		if(!other.getName().equals(typeName))
+			return false;
+
+		return other.getTypeParams().equals(typeParams);
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/SuperType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/SuperType.java
@@ -1,88 +1,88 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.HashMap;
-import java.util.Set;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
-
-/**
- * A super wildcard type e.g. ? super Integer.
- * @author Florian Steurer
- */
-public final class SuperType extends WildcardType {
-	
-	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
-		return visitor.visit(this, ht);
-	}
-	
-	/**
-	 * Creates a new instance "? extends superedType"
-	 * @param superedType The type that is supered e.g. Integer in "? super Integer"
-	 */
-	public SuperType(UnifyType superedType) {
-		super("? super " + superedType.getName(), superedType);
-	}
-	
-	/**
-	 * The type that is supered e.g. Integer in "? super Integer"
-	 */
-	public UnifyType getSuperedType() {
-		return wildcardedType;
-	}
-	
-	@Override
-	public String toString() {
-		return "? super " + wildcardedType;
-	}
-	
-	/**
-	 * Sets the type parameters of the wildcarded type and returns a new supertype that supers that type.
-	 */
-	@Override
-	public UnifyType setTypeParams(TypeParams newTp) {
-		UnifyType newType = wildcardedType.setTypeParams(newTp);
-		if(newType == wildcardedType)
-			return this; // Reduced the amount of objects created
-		return new SuperType(wildcardedType.setTypeParams(newTp));
-	}
-	
-	@Override
-	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.smArg(this, fBounded);
-	}
-
-	@Override
-	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
-		return fc.grArg(this, fBounded);
-	}
-	
-	@Override
-	UnifyType apply(Unifier unif) {
-		UnifyType newType = wildcardedType.apply(unif);
-		if(newType.hashCode() == wildcardedType.hashCode() && newType.equals(wildcardedType))
-			return this; // Reduced the amount of objects created
-		return new SuperType(newType);
-	}
-	
-	@Override
-	public int hashCode() {
-		/*
-		 * It is important that the prime that is added is different to the prime added in hashCode() of ExtendsType.
-		 * Otherwise ? extends T and ? super T have the same hashCode() for every Type T.
-		 */
-		return wildcardedType.hashCode() + 3917;
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof SuperType))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-		
-		SuperType other = (SuperType) obj;
-		return other.getSuperedType().equals(wildcardedType);
-	}
-}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.HashMap;
+import java.util.Set;
+
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
+
+/**
+ * A super wildcard type e.g. ? super Integer.
+ * @author Florian Steurer
+ */
+public final class SuperType extends WildcardType {
+	
+	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
+		return visitor.visit(this, ht);
+	}
+	
+	/**
+	 * Creates a new instance "? extends superedType"
+	 * @param superedType The type that is supered e.g. Integer in "? super Integer"
+	 */
+	public SuperType(UnifyType superedType) {
+		super("? super " + superedType.getName(), superedType);
+	}
+	
+	/**
+	 * The type that is supered e.g. Integer in "? super Integer"
+	 */
+	public UnifyType getSuperedType() {
+		return wildcardedType;
+	}
+	
+	@Override
+	public String toString() {
+		return "? super " + wildcardedType;
+	}
+	
+	/**
+	 * Sets the type parameters of the wildcarded type and returns a new supertype that supers that type.
+	 */
+	@Override
+	public UnifyType setTypeParams(TypeParams newTp) {
+		UnifyType newType = wildcardedType.setTypeParams(newTp);
+		if(newType == wildcardedType)
+			return this; // Reduced the amount of objects created
+		return new SuperType(wildcardedType.setTypeParams(newTp));
+	}
+	
+	@Override
+	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.smArg(this, fBounded);
+	}
+
+	@Override
+	Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
+		return fc.grArg(this, fBounded);
+	}
+	
+	@Override
+	UnifyType apply(Unifier unif) {
+		UnifyType newType = wildcardedType.apply(unif);
+		if(newType.hashCode() == wildcardedType.hashCode() && newType.equals(wildcardedType))
+			return this; // Reduced the amount of objects created
+		return new SuperType(newType);
+	}
+	
+	@Override
+	public int hashCode() {
+		/*
+		 * It is important that the prime that is added is different to the prime added in hashCode() of ExtendsType.
+		 * Otherwise ? extends T and ? super T have the same hashCode() for every Type T.
+		 */
+		return wildcardedType.hashCode() + 3917;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof SuperType))
+			return false;
+		
+		if(obj.hashCode() != this.hashCode())
+			return false;
+		
+		SuperType other = (SuperType) obj;
+		return other.getSuperedType().equals(wildcardedType);
+	}
+}
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/TypeParams.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/TypeParams.java
@@ -1,191 +1,191 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.*;
-
-
-/**
- * The generic or non-generic parameters of a type e.g. <T> for List<T>
- * @author Florian Steurer
- */
-public final class TypeParams implements Iterable<UnifyType>{
-	/**
-	 * The array which backs the type parameters.
-	 */
-	private final UnifyType[] typeParams;
-
-	/**
-	 * Hashcode calculation is expensive and must be cached.
-	 */
-	private final int hashCode;
-	
-	/**
-	 * Creates a new set of type parameters.
-	 * @param types The type parameters.
-	 */
-	public TypeParams(List<UnifyType> types){
-		typeParams = new UnifyType[types.size()];
-		for(int i=0;i<types.size();i++){
-			typeParams[i] = types.get(i);
-			if(types.get(i)==null)throw new NullPointerException();
-		}
-		
-		// Hashcode calculation is expensive and must be cached.
-		hashCode = Arrays.deepHashCode(typeParams);
-	}
-	
-	/**
-	 * Creates a new set of type parameters.
-	 * @param types The type parameters.
-	 */
-	public TypeParams(UnifyType... types) {
-		typeParams = types;
-	
-		// Hashcode calculation is expensive and must be cached.
-		hashCode = Arrays.deepHashCode(typeParams);
-	}
-	
-	/**
-	 * True if every parameter in this object is a placeholder type, false otherwise.
-	 */
-	public boolean arePlaceholders() {
-		return Arrays.stream(typeParams).allMatch(x -> x instanceof PlaceholderType);
-	}
-	
-	/**
-	 * Returns the number of the type parameters in this object.
-	 * @return number of type parameters, always positive (including 0).
-	 */
-	public int size() {
-		return typeParams.length;
-	}
-	
-	/**
-	 * Returns true if this object has size() of zero, false otherwise.
-	 */
-	public boolean empty() {
-		return typeParams.length == 0;
-	}
-	
-	/**
-	 * Applies a unifier to every parameter in this object.
-	 * @param unif The applied unifier.
-	 * @return A new type parameter object, where the unifier was applied to every parameter.
-	 */
-	public TypeParams apply(Unifier unif) {
-		UnifyType[] newParams = new UnifyType[typeParams.length];
-		
-		// If true, a type was modified and a new typeparams object has to be created.
-		// Otherwise it is enough to return this object, since it is immutable
-		// This reduced the needed TypeParams-Instances for the lambda14-Test from
-		// 130.000 to 30.000 without a decrease in speed.
-		boolean isNew = false; 
-		
-		for(int i = 0; i < typeParams.length; i++) {
-			UnifyType newType = typeParams[i].apply(unif);
-			newParams[i] = newType;
-			if(!isNew && (newType.hashCode() != typeParams[i].hashCode() || !newType.equals(typeParams[i])))
-				isNew = true;
-		}
-		
-		if(!isNew)
-			return this;
-		return new TypeParams(newParams);
-	}
-	
-	/**
-	 * True if the PlaceholderType t is a parameter of this object, or if any parameter
-	 * contains t (arbitrary depth of recursion), false otherwise.
-	 */
-	public boolean occurs(PlaceholderType t) {
-		for(UnifyType p : typeParams)
-			if(p instanceof PlaceholderType) {//PL 2018-01-31 dangeling else Problem { ... } eingefuegt.
-				if(p.equals(t))
-					return true;
-			}
-			else {
-				if(p.getTypeParams().occurs(t))
-					return true; }
-		return false;
-	}
-	
-	/**
-	 * Returns the i-th parameter of this object.
-	 */
-	public UnifyType get(int i) {
-		return typeParams[i];
-	}
-	
-	/**
-	 * Returns the parameters of this object.
-	 * PL 2018-03-17
-	 */
-	public UnifyType[] get() {
-		return typeParams;
-	}
-	
-	/**
-	 * Sets the the type t as the i-th parameter and returns a new object
-	 * that equals this object, except for the i-th type.
-	 */
-	public TypeParams set(UnifyType t, int idx) {
-		// Reduce the creation of new objects for less memory 
-		// Reduced the needed instances of TypeParams in the lambda14-Test from
-		// 150.000 to 130.000
-		if(t.hashCode() == typeParams[idx].hashCode() && t.equals(typeParams[idx]))
-			return this;
-		UnifyType[] newparams = Arrays.copyOf(typeParams, typeParams.length);
-		newparams[idx] = t; 
-		return new TypeParams(newparams);
-	}
-
-	@Override
-	public Iterator<UnifyType> iterator() {
-		return Arrays.stream(typeParams).iterator();
-	}
-	
-	@Override
-	public int hashCode() {
-		return hashCode;
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof TypeParams))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-		
-		TypeParams other = (TypeParams) obj;
-		
-		if(other.size() != this.size())
-			return false;
-
-		for(int i = 0; i < this.size(); i++){
-			//if(this.get(i) == null)
-				//System.out.print("s");
-		}
-		for(int i = 0; i < this.size(); i++)
-			if(!(this.get(i).equals(other.get(i))))
-				return false;
-		
-		return true;
-	}
-	
-	@Override
-	public String toString() {
-		String res = "";
-		for(UnifyType t : typeParams)
-			res += t + ",";
-		return "<" + res.substring(0, res.length()-1) + ">";
-	}
-
-	public Collection<? extends PlaceholderType> getInvolvedPlaceholderTypes() {
-		ArrayList<PlaceholderType> ret = new ArrayList<>();
-		for(UnifyType t : typeParams){
-			ret.addAll(t.getInvolvedPlaceholderTypes());
-		}
-		return ret;
-	}
-}
-
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.*;
+
+
+/**
+ * The generic or non-generic parameters of a type e.g. <T> for List<T>
+ * @author Florian Steurer
+ */
+public final class TypeParams implements Iterable<UnifyType>{
+	/**
+	 * The array which backs the type parameters.
+	 */
+	private final UnifyType[] typeParams;
+
+	/**
+	 * Hashcode calculation is expensive and must be cached.
+	 */
+	private final int hashCode;
+	
+	/**
+	 * Creates a new set of type parameters.
+	 * @param types The type parameters.
+	 */
+	public TypeParams(List<UnifyType> types){
+		typeParams = new UnifyType[types.size()];
+		for(int i=0;i<types.size();i++){
+			typeParams[i] = types.get(i);
+			if(types.get(i)==null)throw new NullPointerException();
+		}
+		
+		// Hashcode calculation is expensive and must be cached.
+		hashCode = Arrays.deepHashCode(typeParams);
+	}
+	
+	/**
+	 * Creates a new set of type parameters.
+	 * @param types The type parameters.
+	 */
+	public TypeParams(UnifyType... types) {
+		typeParams = types;
+	
+		// Hashcode calculation is expensive and must be cached.
+		hashCode = Arrays.deepHashCode(typeParams);
+	}
+	
+	/**
+	 * True if every parameter in this object is a placeholder type, false otherwise.
+	 */
+	public boolean arePlaceholders() {
+		return Arrays.stream(typeParams).allMatch(x -> x instanceof PlaceholderType);
+	}
+	
+	/**
+	 * Returns the number of the type parameters in this object.
+	 * @return number of type parameters, always positive (including 0).
+	 */
+	public int size() {
+		return typeParams.length;
+	}
+	
+	/**
+	 * Returns true if this object has size() of zero, false otherwise.
+	 */
+	public boolean empty() {
+		return typeParams.length == 0;
+	}
+	
+	/**
+	 * Applies a unifier to every parameter in this object.
+	 * @param unif The applied unifier.
+	 * @return A new type parameter object, where the unifier was applied to every parameter.
+	 */
+	public TypeParams apply(Unifier unif) {
+		UnifyType[] newParams = new UnifyType[typeParams.length];
+		
+		// If true, a type was modified and a new typeparams object has to be created.
+		// Otherwise it is enough to return this object, since it is immutable
+		// This reduced the needed TypeParams-Instances for the lambda14-Test from
+		// 130.000 to 30.000 without a decrease in speed.
+		boolean isNew = false; 
+		
+		for(int i = 0; i < typeParams.length; i++) {
+			UnifyType newType = typeParams[i].apply(unif);
+			newParams[i] = newType;
+			if(!isNew && (newType.hashCode() != typeParams[i].hashCode() || !newType.equals(typeParams[i])))
+				isNew = true;
+		}
+		
+		if(!isNew)
+			return this;
+		return new TypeParams(newParams);
+	}
+	
+	/**
+	 * True if the PlaceholderType t is a parameter of this object, or if any parameter
+	 * contains t (arbitrary depth of recursion), false otherwise.
+	 */
+	public boolean occurs(PlaceholderType t) {
+		for(UnifyType p : typeParams)
+			if(p instanceof PlaceholderType) {//PL 2018-01-31 dangeling else Problem { ... } eingefuegt.
+				if(p.equals(t))
+					return true;
+			}
+			else {
+				if(p.getTypeParams().occurs(t))
+					return true; }
+		return false;
+	}
+	
+	/**
+	 * Returns the i-th parameter of this object.
+	 */
+	public UnifyType get(int i) {
+		return typeParams[i];
+	}
+	
+	/**
+	 * Returns the parameters of this object.
+	 * PL 2018-03-17
+	 */
+	public UnifyType[] get() {
+		return typeParams;
+	}
+	
+	/**
+	 * Sets the the type t as the i-th parameter and returns a new object
+	 * that equals this object, except for the i-th type.
+	 */
+	public TypeParams set(UnifyType t, int idx) {
+		// Reduce the creation of new objects for less memory 
+		// Reduced the needed instances of TypeParams in the lambda14-Test from
+		// 150.000 to 130.000
+		if(t.hashCode() == typeParams[idx].hashCode() && t.equals(typeParams[idx]))
+			return this;
+		UnifyType[] newparams = Arrays.copyOf(typeParams, typeParams.length);
+		newparams[idx] = t; 
+		return new TypeParams(newparams);
+	}
+
+	@Override
+	public Iterator<UnifyType> iterator() {
+		return Arrays.stream(typeParams).iterator();
+	}
+	
+	@Override
+	public int hashCode() {
+		return hashCode;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof TypeParams))
+			return false;
+		
+		if(obj.hashCode() != this.hashCode())
+			return false;
+		
+		TypeParams other = (TypeParams) obj;
+		
+		if(other.size() != this.size())
+			return false;
+
+		for(int i = 0; i < this.size(); i++){
+			//if(this.get(i) == null)
+				//System.out.print("s");
+		}
+		for(int i = 0; i < this.size(); i++)
+			if(!(this.get(i).equals(other.get(i))))
+				return false;
+		
+		return true;
+	}
+	
+	@Override
+	public String toString() {
+		String res = "";
+		for(UnifyType t : typeParams)
+			res += t + ",";
+		return "<" + res.substring(0, res.length()-1) + ">";
+	}
+
+	public Collection<? extends PlaceholderType> getInvolvedPlaceholderTypes() {
+		ArrayList<PlaceholderType> ret = new ArrayList<>();
+		for(UnifyType t : typeParams){
+			ret.addAll(t.getInvolvedPlaceholderTypes());
+		}
+		return ret;
+	}
+}
+
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/Unifier.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/Unifier.java
@@ -1,189 +1,189 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.function.Function;
-
-/**
- * A set of substitutions (s -> t) that is an applicable function to types and pairs.
- * @author Florian Steurer
- */
-public class Unifier implements Function<UnifyType, UnifyType>, Iterable<Entry<PlaceholderType, UnifyType>> {
-	
-	/**
-	 * The set of substitutions that unify a type-term
-	 */
-	private HashMap<PlaceholderType, UnifyType> substitutions = new HashMap<>();
+package de.dhbwstuttgart.typeinference.unify.model;

-	/**
-	 * Creates a new instance with a single substitution (source -> target).
-	 * @param The type that is replaced
-	 * @param The type that replaces
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.function.Function;
+
+/**
+ * A set of substitutions (s -> t) that is an applicable function to types and pairs.
+ * @author Florian Steurer
+ */
+public class Unifier implements Function<UnifyType, UnifyType>, Iterable<Entry<PlaceholderType, UnifyType>> {
+	
+	/**
+	 * The set of substitutions that unify a type-term
+	 */
+	private HashMap<PlaceholderType, UnifyType> substitutions = new HashMap<>();
+
+	/**
+	 * Creates a new instance with a single substitution (source -> target).
+	 * @param The type that is replaced
+	 * @param The type that replaces
 	 */
 	public Unifier(PlaceholderType source, UnifyType target) {
-		substitutions.put(source, target);
-	}
-	
-	/**
-	 * Identity function as an "unifier".
-	 */
-	protected Unifier() {
-
-	}
-	
-	/**
-	 * Creates an unifier that is the identity function (thus has no substitutions).
+		substitutions.put(source, target);
+	}
+	
+	/**
+	 * Identity function as an "unifier".
+	 */
+	protected Unifier() {
+
+	}
+	
+	/**
+	 * Creates an unifier that is the identity function (thus has no substitutions).
+	 */
+	public static Unifier identity() {
+		return new Unifier();
+	}
+	
+	/**
+	 * Adds a substitution to the unifier from (source -> target)
+	 * @param The type that is replaced
+	 * @param The type that replaces
 	 */
-	public static Unifier identity() {
-		return new Unifier();
-	}
-	
-	/**
-	 * Adds a substitution to the unifier from (source -> target)
-	 * @param The type that is replaced
-	 * @param The type that replaces
-	 */
 	public void add(PlaceholderType source, UnifyType target) {
-		Unifier tempU = new Unifier(source, target);
-		// Every new substitution must be applied to previously added substitutions
-		// otherwise the unifier needs to be applied multiple times to unify two terms
-		for(PlaceholderType pt : substitutions.keySet())
-			substitutions.put(pt, substitutions.get(pt).apply(tempU));
-		substitutions.put(source, target);
-	}
-
-	@Override
-	public UnifyType apply(UnifyType t) {
-		return t.apply(this);
-	}
-	
-	/**
-	 * Applies the unifier to the two terms of the pair.
-	 * @return A new pair where the left and right-hand side are applied
-	 */
-	public UnifyPair apply(UnifyPair p) {
-		UnifyType newLhs = this.apply(p.getLhsType());
-		UnifyType newRhs = this.apply(p.getRhsType());
-		return new UnifyPair(newLhs, newRhs, p.getPairOp());
-	}
-	
-	/**
-	 * Applies the unifier to the two terms of the pair.
-	 * works only for single subsitution
-	 * @return A new pair where the left and right-hand side are applied
-	 */
-	public UnifyPair apply(UnifyPair thisAsPair, UnifyPair p) {
-		UnifyType newLhs = this.apply(p.getLhsType());
-		UnifyType newRhs = this.apply(p.getRhsType());
-		//Varianceweitergabe wird nicht benoetigt.
-		//PlaceholderType lhsph = (PlaceholderType)thisAsPair.getLhsType();
-		//if (lhsph.getVariance() != 0) {
-		//	if (p.getLhsType().equals(lhsph)) {
-		//		if (p.getRhsType() instanceof PlaceholderType) {
-		//			((PlaceholderType)p.getRhsType()).setVariance(lhsph.getVariance());
-		//		}
-		//	}
-		//	if (p.getRhsType().equals(lhsph)) {
-		//		if (p.getLhsType() instanceof PlaceholderType) {
-		//			((PlaceholderType)p.getLhsType()).setVariance(lhsph.getVariance());
-		//		}
-		//	}
-		//}
-		if (!(p.getLhsType().equals(newLhs)) || !(p.getRhsType().equals(newRhs))) {//Die Anwendung von this hat was veraendert PL 2018-04-01
-			Set<UnifyPair> suniUnifyPair = new HashSet<>();
-			suniUnifyPair.addAll(thisAsPair.getAllSubstitutions());
-			suniUnifyPair.add(thisAsPair);
-			if (p.getLhsType() instanceof PlaceholderType //&& newLhs instanceof PlaceholderType entfernt PL 2018-04-13
-					&& p.getPairOp() == PairOperator.EQUALSDOT) {
-				suniUnifyPair.add(p); //p koennte auch subsitution sein
-			}
-			return new UnifyPair(newLhs, newRhs, p.getPairOp(), suniUnifyPair, p);
-		}
-		return new UnifyPair(newLhs, newRhs, p.getPairOp(), p.getSubstitution(), p.getBasePair(), p.getfBounded());
-	}
-	
-	/**
-	 * Applies the unifier to the left terms of the pair.
-	 * @return A new pair where the left and right-hand side are applied
-	 */
-	public UnifyPair applyleft(UnifyPair p) {
-		return new UnifyPair(this.apply(p.getLhsType()), p.getRhsType(), p.getPairOp());
-	}
-	
-	/**
-	 * True if the typevariable t will be substituted if the unifier is applied.
-	 * false otherwise.
-	 */
-	public boolean hasSubstitute(PlaceholderType t) {
-		return substitutions.containsKey(t);
-	}
-	
-	/**
-	 * Returns the type that will replace the typevariable t if the unifier is applied.
-	 */
-	public UnifyType getSubstitute(PlaceholderType t) {
-		return substitutions.get(t);
-	}
-
-	/**
-	 * The number of substitutions in the unifier. If zero, this is the identity function.
-	 */
-	public int size() {
-		return substitutions.size();
-	}
-	
-	/**
-	 * Garantuees that if there is a substitutions (a -> b) in this unifier,
-	 * a is not an element of the targetParams. Substitutions that do not
-	 * satisfy this condition, are swapped.
-	 */
-	public void swapPlaceholderSubstitutions(Iterable<UnifyType> targetParams) {
-		for(UnifyType tph : targetParams) {
-			if(!(tph instanceof PlaceholderType))
-				continue;
-			// Swap a substitutions (a -> b) if a is an element of the target params.
-			if(substitutions.containsKey(tph)) {		
-				if((substitutions.get(tph) instanceof PlaceholderType)) {
-					PlaceholderType newLhs = (PlaceholderType) substitutions.get(tph);
-					substitutions.remove(tph);
-					substitutions.put(newLhs, tph);
-				}
-			}
-		}
-	}
-	
-	public void swapPlaceholderSubstitutionsReverse(Iterable<UnifyType> sourceParams) {
-		for(UnifyType tph : sourceParams) {
-			if(!(tph instanceof PlaceholderType))
-				continue;
-			if(substitutions.containsValue(tph)) {
-				UnifyType key = substitutions.values().stream().filter(x -> x.equals(tph)).findAny().get();
-				if(key instanceof PlaceholderType) {
-					PlaceholderType newLhs = (PlaceholderType) tph;
-					substitutions.remove(key);
-					substitutions.put(newLhs, key);
-				}
-			}
-		}
-	}
-
-	@Override
-	public String toString() {
-		String result = "{ ";
-		for(Entry<PlaceholderType, UnifyType> entry : substitutions.entrySet())
-			result += "(" + entry.getKey() + " -> " + entry.getValue() + "), ";
-		if(!substitutions.isEmpty())
-			result = result.substring(0, result.length()-2);
-		result += " }";
-		return result;
-	}
-
-	@Override
-	public Iterator<Entry<PlaceholderType, UnifyType>> iterator() {
-		return substitutions.entrySet().iterator();
-	}
-}
-
+		Unifier tempU = new Unifier(source, target);
+		// Every new substitution must be applied to previously added substitutions
+		// otherwise the unifier needs to be applied multiple times to unify two terms
+		for(PlaceholderType pt : substitutions.keySet())
+			substitutions.put(pt, substitutions.get(pt).apply(tempU));
+		substitutions.put(source, target);
+	}
+
+	@Override
+	public UnifyType apply(UnifyType t) {
+		return t.apply(this);
+	}
+	
+	/**
+	 * Applies the unifier to the two terms of the pair.
+	 * @return A new pair where the left and right-hand side are applied
+	 */
+	public UnifyPair apply(UnifyPair p) {
+		UnifyType newLhs = this.apply(p.getLhsType());
+		UnifyType newRhs = this.apply(p.getRhsType());
+		return new UnifyPair(newLhs, newRhs, p.getPairOp());
+	}
+	
+	/**
+	 * Applies the unifier to the two terms of the pair.
+	 * works only for single subsitution
+	 * @return A new pair where the left and right-hand side are applied
+	 */
+	public UnifyPair apply(UnifyPair thisAsPair, UnifyPair p) {
+		UnifyType newLhs = this.apply(p.getLhsType());
+		UnifyType newRhs = this.apply(p.getRhsType());
+		//Varianceweitergabe wird nicht benoetigt.
+		//PlaceholderType lhsph = (PlaceholderType)thisAsPair.getLhsType();
+		//if (lhsph.getVariance() != 0) {
+		//	if (p.getLhsType().equals(lhsph)) {
+		//		if (p.getRhsType() instanceof PlaceholderType) {
+		//			((PlaceholderType)p.getRhsType()).setVariance(lhsph.getVariance());
+		//		}
+		//	}
+		//	if (p.getRhsType().equals(lhsph)) {
+		//		if (p.getLhsType() instanceof PlaceholderType) {
+		//			((PlaceholderType)p.getLhsType()).setVariance(lhsph.getVariance());
+		//		}
+		//	}
+		//}
+		if (!(p.getLhsType().equals(newLhs)) || !(p.getRhsType().equals(newRhs))) {//Die Anwendung von this hat was veraendert PL 2018-04-01
+			Set<UnifyPair> suniUnifyPair = new HashSet<>();
+			suniUnifyPair.addAll(thisAsPair.getAllSubstitutions());
+			suniUnifyPair.add(thisAsPair);
+			if (p.getLhsType() instanceof PlaceholderType //&& newLhs instanceof PlaceholderType entfernt PL 2018-04-13
+					&& p.getPairOp() == PairOperator.EQUALSDOT) {
+				suniUnifyPair.add(p); //p koennte auch subsitution sein
+			}
+			return new UnifyPair(newLhs, newRhs, p.getPairOp(), suniUnifyPair, p);
+		}
+		return new UnifyPair(newLhs, newRhs, p.getPairOp(), p.getSubstitution(), p.getBasePair(), p.getfBounded());
+	}
+	
+	/**
+	 * Applies the unifier to the left terms of the pair.
+	 * @return A new pair where the left and right-hand side are applied
+	 */
+	public UnifyPair applyleft(UnifyPair p) {
+		return new UnifyPair(this.apply(p.getLhsType()), p.getRhsType(), p.getPairOp());
+	}
+	
+	/**
+	 * True if the typevariable t will be substituted if the unifier is applied.
+	 * false otherwise.
+	 */
+	public boolean hasSubstitute(PlaceholderType t) {
+		return substitutions.containsKey(t);
+	}
+	
+	/**
+	 * Returns the type that will replace the typevariable t if the unifier is applied.
+	 */
+	public UnifyType getSubstitute(PlaceholderType t) {
+		return substitutions.get(t);
+	}
+
+	/**
+	 * The number of substitutions in the unifier. If zero, this is the identity function.
+	 */
+	public int size() {
+		return substitutions.size();
+	}
+	
+	/**
+	 * Garantuees that if there is a substitutions (a -> b) in this unifier,
+	 * a is not an element of the targetParams. Substitutions that do not
+	 * satisfy this condition, are swapped.
+	 */
+	public void swapPlaceholderSubstitutions(Iterable<UnifyType> targetParams) {
+		for(UnifyType tph : targetParams) {
+			if(!(tph instanceof PlaceholderType))
+				continue;
+			// Swap a substitutions (a -> b) if a is an element of the target params.
+			if(substitutions.containsKey(tph)) {		
+				if((substitutions.get(tph) instanceof PlaceholderType)) {
+					PlaceholderType newLhs = (PlaceholderType) substitutions.get(tph);
+					substitutions.remove(tph);
+					substitutions.put(newLhs, tph);
+				}
+			}
+		}
+	}
+	
+	public void swapPlaceholderSubstitutionsReverse(Iterable<UnifyType> sourceParams) {
+		for(UnifyType tph : sourceParams) {
+			if(!(tph instanceof PlaceholderType))
+				continue;
+			if(substitutions.containsValue(tph)) {
+				UnifyType key = substitutions.values().stream().filter(x -> x.equals(tph)).findAny().get();
+				if(key instanceof PlaceholderType) {
+					PlaceholderType newLhs = (PlaceholderType) tph;
+					substitutions.remove(key);
+					substitutions.put(newLhs, key);
+				}
+			}
+		}
+	}
+
+	@Override
+	public String toString() {
+		String result = "{ ";
+		for(Entry<PlaceholderType, UnifyType> entry : substitutions.entrySet())
+			result += "(" + entry.getKey() + " -> " + entry.getValue() + "), ";
+		if(!substitutions.isEmpty())
+			result = result.substring(0, result.length()-2);
+		result += " }";
+		return result;
+	}
+
+	@Override
+	public Iterator<Entry<PlaceholderType, UnifyType>> iterator() {
+		return substitutions.entrySet().iterator();
+	}
+}
+
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
@@ -1,256 +1,256 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Optional;
-import java.util.Set;
-
-
-/**
- * A pair which contains two types and an operator, e.q. (Integer <. a).
- * @author Florian Steurer
- */
-public class UnifyPair {
-	
-	/**
-	 * The type on the left hand side of the pair.
-	 */
-	private final UnifyType lhs;
-	
-	/**
-	 * The type on the right hand side of the pair.
-	 */
-	private final UnifyType rhs;
-	
-	/**
-	 * The operator that determines the relation between the left and right hand side type.
-	 */
-	private PairOperator pairOp;
-	
-	/** wieder loesecn wird nicht mehr benoetigt PL 2018-03-31
-     * variance shows the variance of the pair
-     * -1: contravariant
-     * 1 covariant
-     * 0 invariant
-     * PL 2018-03-21
-     */
-    private byte variance = 0;
-    
-    private boolean undefinedPair = false;
-    
-    /**
-     * Unifier/substitute that generated this pair
-     * PL 2018-03-15
-     */
-    private Set<UnifyPair> substitution;
-    
-    /**
-     * Base on which the the unifier is applied
-     * PL 2018-03-15
-     */
-    private UnifyPair basePair;
-    
-    /**
-     * For pairs a <. Theta generated in the rule reduceTphSup
-     * to store the f-Bouned Elements to avoid endless recursion 
-     * PL 2018-03-15
-     */
-    private Set<UnifyType> fBounded = new HashSet<>();
-	
-	private final int hashCode;
-	
-	/**
-	 * Creates a new instance of the pair.
-	 * @param lhs The type on the left hand side of the pair.
-	 * @param rhs The type on the right hand side of the pair.
-	 * @param op The operator that determines the relation between the left and right hand side type.
-	 */
-	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op) {
-		this.lhs = lhs;
-		this.rhs = rhs;
-		pairOp = op;
-		substitution = new HashSet<>();
-		
-		// Caching hashcode
-		hashCode = 17 + 31 * lhs.hashCode() + 31 * rhs.hashCode() + 31 * pairOp.hashCode();
-	}	
-	
-	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op, Set<UnifyPair> uni, UnifyPair base) {
-		this.lhs = lhs;
-		this.rhs = rhs;
-		pairOp = op;
-		substitution = uni;
-		basePair = base;
-		this.variance = variance;
-		
-		
-		// Caching hashcode
-		hashCode = 17 + 31 * lhs.hashCode() + 31 * rhs.hashCode() + 31 * pairOp.hashCode();
-	}	
-	
-	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op, Set<UnifyPair> uni, UnifyPair base, Set<UnifyType> fBounded) {
-		this(lhs, rhs, op, uni, base);
-		
-		this.fBounded = fBounded;
-	}
-		
-	/**
-	 * Returns the type on the left hand side of the pair.
-	 */
-	public UnifyType getLhsType() {
-		return lhs;
-	}
-	
-	/**
-	 * Returns the type on the right hand side of the pair.
-	 */
-	public UnifyType getRhsType() {
-		return rhs;
-	}
-	
-	/**
-	 * Returns the operator that determines the relation between the left and right hand side type.
-	 */
-	public PairOperator getPairOp() {
-		return pairOp;
-	}
-	
-	public void setPairOp(PairOperator po) {
-		pairOp = po;
-	}
-	
-	public void addSubstitutions(Set<UnifyPair> sup) {
-		substitution.addAll(sup);
-	}
-	
-	public byte getVariance() {
-		return variance;
-	}
-	
-	public void setVariance(byte v) {
-		variance = v;
-	}
-	
-	public void setUndefinedPair() {
-		undefinedPair = true;
-	}
-	public Set<UnifyPair> getSubstitution() {
-		return substitution;
-	}
-	
-	public UnifyPair getBasePair() {
-		return basePair;
-	}
-	public boolean isUndefinedPair() {
-		return undefinedPair;
-	}
-	
-	public Set<UnifyPair> getAllSubstitutions () {
-		Set<UnifyPair> ret = new HashSet<>();
-		ret.addAll(getSubstitution());
-		if (basePair != null) {
-			ret.addAll(basePair.getAllSubstitutions());
-		}
-		return ret;
-	}
-	
-	public Set<UnifyPair> getAllBases () {
-		Set<UnifyPair> ret = new HashSet<>();
-		if (basePair != null) {
-			ret.add(getBasePair());
-			ret.addAll(basePair.getAllBases());
-		}
-		return ret;
-	}
-	
-	public UnifyPair getGroundBasePair () {
-		if (basePair == null) {
-			return this;
-		}
-		if (basePair.getBasePair() == null) {
-			return basePair;
-		}
-		else {
-			return basePair.getGroundBasePair();
-		}
-	}
-	
-	/**
-	 * wenn in einem  Paar bestehend aus 2 Typvariablen eine nicht wildcardtable ist,
-	 * so beide auf nicht wildcardtable setzen
-	 */
-	public void disableCondWildcards() {
-		if (lhs instanceof PlaceholderType && rhs instanceof PlaceholderType
-			&& (!((PlaceholderType)lhs).isWildcardable() || !((PlaceholderType)rhs).isWildcardable()))
-		{
-			((PlaceholderType)lhs).disableWildcardtable();
-			((PlaceholderType)rhs).disableWildcardtable();
-		}
-			
-	}
-	
-	public Boolean wrongWildcard() {
-		return lhs.wrongWildcard() || rhs.wrongWildcard();
-	}
-	
-	public Set<UnifyType> getfBounded() {
-		return this.fBounded;
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof UnifyPair))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-
-		UnifyPair other = (UnifyPair) obj;
-		
-		if (isUndefinedPair()) {
-			if (other.getBasePair() != basePair || (other.getBasePair() == null && basePair == null)) { 
-				return false;
-			}
-			if (!other.getBasePair().equals(basePair) ||
-				!other.getAllSubstitutions().equals(getAllSubstitutions())) {
-				return false;
-			}
-		}
-		
-		return other.getPairOp() == pairOp 
-				&& other.getLhsType().equals(lhs) 
-				&& other.getRhsType().equals(rhs);
-	}
-
-	@Override
-	public int hashCode() {
-		return hashCode;
-	}
-	
-	@Override
-	public String toString() {
-		String ret = "";
-		if (lhs instanceof PlaceholderType) {
-			ret = new Integer(((PlaceholderType)lhs).getVariance()).toString() + " " + ((PlaceholderType)lhs).isInnerType() 
-					+ " " + ((PlaceholderType)lhs).isWildcardable();
-		}
-		if (rhs instanceof PlaceholderType) {
-			ret = ret + ", " + new Integer(((PlaceholderType)rhs).getVariance()).toString() + " " + ((PlaceholderType)rhs).isInnerType()
-					+ " " + ((PlaceholderType)rhs).isWildcardable();
-		}
-		return "(" + lhs + " " + pairOp + " " + rhs + ", " + ret + ")"; //+ ", [" + getfBounded().toString()+ "])";
-	}
-
-	/*
-	public List<? extends PlaceholderType> getInvolvedPlaceholderTypes() {
-		ArrayList<PlaceholderType> ret = new ArrayList<>();
-		ret.addAll(lhs.getInvolvedPlaceholderTypes());
-		ret.addAll(rhs.getInvolvedPlaceholderTypes());
-		return ret;
-	}
-	*/
-}
-
-
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+
+
+/**
+ * A pair which contains two types and an operator, e.q. (Integer <. a).
+ * @author Florian Steurer
+ */
+public class UnifyPair {
+	
+	/**
+	 * The type on the left hand side of the pair.
+	 */
+	private final UnifyType lhs;
+	
+	/**
+	 * The type on the right hand side of the pair.
+	 */
+	private final UnifyType rhs;
+	
+	/**
+	 * The operator that determines the relation between the left and right hand side type.
+	 */
+	private PairOperator pairOp;
+	
+	/** wieder loesecn wird nicht mehr benoetigt PL 2018-03-31
+     * variance shows the variance of the pair
+     * -1: contravariant
+     * 1 covariant
+     * 0 invariant
+     * PL 2018-03-21
+     */
+    private byte variance = 0;
+    
+    private boolean undefinedPair = false;
+    
+    /**
+     * Unifier/substitute that generated this pair
+     * PL 2018-03-15
+     */
+    private Set<UnifyPair> substitution;
+    
+    /**
+     * Base on which the the unifier is applied
+     * PL 2018-03-15
+     */
+    private UnifyPair basePair;
+    
+    /**
+     * For pairs a <. Theta generated in the rule reduceTphSup
+     * to store the f-Bouned Elements to avoid endless recursion 
+     * PL 2018-03-15
+     */
+    private Set<UnifyType> fBounded = new HashSet<>();
+	
+	private final int hashCode;
+	
+	/**
+	 * Creates a new instance of the pair.
+	 * @param lhs The type on the left hand side of the pair.
+	 * @param rhs The type on the right hand side of the pair.
+	 * @param op The operator that determines the relation between the left and right hand side type.
+	 */
+	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op) {
+		this.lhs = lhs;
+		this.rhs = rhs;
+		pairOp = op;
+		substitution = new HashSet<>();
+		
+		// Caching hashcode
+		hashCode = 17 + 31 * lhs.hashCode() + 31 * rhs.hashCode() + 31 * pairOp.hashCode();
+	}	
+	
+	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op, Set<UnifyPair> uni, UnifyPair base) {
+		this.lhs = lhs;
+		this.rhs = rhs;
+		pairOp = op;
+		substitution = uni;
+		basePair = base;
+		this.variance = variance;
+		
+		
+		// Caching hashcode
+		hashCode = 17 + 31 * lhs.hashCode() + 31 * rhs.hashCode() + 31 * pairOp.hashCode();
+	}	
+	
+	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op, Set<UnifyPair> uni, UnifyPair base, Set<UnifyType> fBounded) {
+		this(lhs, rhs, op, uni, base);
+		
+		this.fBounded = fBounded;
+	}
+		
+	/**
+	 * Returns the type on the left hand side of the pair.
+	 */
+	public UnifyType getLhsType() {
+		return lhs;
+	}
+	
+	/**
+	 * Returns the type on the right hand side of the pair.
+	 */
+	public UnifyType getRhsType() {
+		return rhs;
+	}
+	
+	/**
+	 * Returns the operator that determines the relation between the left and right hand side type.
+	 */
+	public PairOperator getPairOp() {
+		return pairOp;
+	}
+	
+	public void setPairOp(PairOperator po) {
+		pairOp = po;
+	}
+	
+	public void addSubstitutions(Set<UnifyPair> sup) {
+		substitution.addAll(sup);
+	}
+	
+	public byte getVariance() {
+		return variance;
+	}
+	
+	public void setVariance(byte v) {
+		variance = v;
+	}
+	
+	public void setUndefinedPair() {
+		undefinedPair = true;
+	}
+	public Set<UnifyPair> getSubstitution() {
+		return new HashSet<>(substitution);
+	}
+	
+	public UnifyPair getBasePair() {
+		return basePair;
+	}
+	public boolean isUndefinedPair() {
+		return undefinedPair;
+	}
+	
+	public Set<UnifyPair> getAllSubstitutions () {
+		Set<UnifyPair> ret = new HashSet<>();
+		ret.addAll(new ArrayList<>(getSubstitution()));
+		if (basePair != null) {
+			ret.addAll(new ArrayList<>(basePair.getAllSubstitutions()));
+		}
+		return ret;
+	}
+	
+	public Set<UnifyPair> getAllBases () {
+		Set<UnifyPair> ret = new HashSet<>();
+		if (basePair != null) {
+			ret.add(getBasePair());
+			ret.addAll(basePair.getAllBases());
+		}
+		return ret;
+	}
+	
+	public UnifyPair getGroundBasePair () {
+		if (basePair == null) {
+			return this;
+		}
+		if (basePair.getBasePair() == null) {
+			return basePair;
+		}
+		else {
+			return basePair.getGroundBasePair();
+		}
+	}
+	
+	/**
+	 * wenn in einem  Paar bestehend aus 2 Typvariablen eine nicht wildcardtable ist,
+	 * so beide auf nicht wildcardtable setzen
+	 */
+	public void disableCondWildcards() {
+		if (lhs instanceof PlaceholderType && rhs instanceof PlaceholderType
+			&& (!((PlaceholderType)lhs).isWildcardable() || !((PlaceholderType)rhs).isWildcardable()))
+		{
+			((PlaceholderType)lhs).disableWildcardtable();
+			((PlaceholderType)rhs).disableWildcardtable();
+		}
+			
+	}
+	
+	public Boolean wrongWildcard() {
+		return lhs.wrongWildcard() || rhs.wrongWildcard();
+	}
+	
+	public Set<UnifyType> getfBounded() {
+		return this.fBounded;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof UnifyPair))
+			return false;
+		
+		if(obj.hashCode() != this.hashCode())
+			return false;
+
+		UnifyPair other = (UnifyPair) obj;
+		
+		if (isUndefinedPair()) {
+			if (other.getBasePair() != basePair || (other.getBasePair() == null && basePair == null)) { 
+				return false;
+			}
+			if (!other.getBasePair().equals(basePair) ||
+				!other.getAllSubstitutions().equals(getAllSubstitutions())) {
+				return false;
+			}
+		}
+		
+		return other.getPairOp() == pairOp 
+				&& other.getLhsType().equals(lhs) 
+				&& other.getRhsType().equals(rhs);
+	}
+
+	@Override
+	public int hashCode() {
+		return hashCode;
+	}
+	
+	@Override
+	public String toString() {
+		String ret = "";
+		if (lhs instanceof PlaceholderType) {
+			ret = new Integer(((PlaceholderType)lhs).getVariance()).toString() + " " + ((PlaceholderType)lhs).isInnerType() 
+					+ " " + ((PlaceholderType)lhs).isWildcardable();
+		}
+		if (rhs instanceof PlaceholderType) {
+			ret = ret + ", " + new Integer(((PlaceholderType)rhs).getVariance()).toString() + " " + ((PlaceholderType)rhs).isInnerType()
+					+ " " + ((PlaceholderType)rhs).isWildcardable();
+		}
+		return "(" + lhs + " " + pairOp + " " + rhs + ", " + ret + ")"; //+ ", [" + getfBounded().toString()+ "])";
+	}
+
+	/*
+	public List<? extends PlaceholderType> getInvolvedPlaceholderTypes() {
+		ArrayList<PlaceholderType> ret = new ArrayList<>();
+		ret.addAll(lhs.getInvolvedPlaceholderTypes());
+		ret.addAll(rhs.getInvolvedPlaceholderTypes());
+		return ret;
+	}
+	*/
+}
+
+
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyType.java
@@ -1,119 +1,119 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Set;
-
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
-
-/**
- * Represents a java type.
- * @author Florian Steurer
- */
-public abstract class UnifyType {
-	
-	/**
-	 * The name of the type e.q. "Integer", "? extends Integer" or "List" for (List<T>)
-	 */
-	protected final String typeName;
-	
-	/**
-	 * The type parameters of the type.
-	 */
-	protected final TypeParams typeParams;
-	
-	/**
-	 * Creates a new instance
-	 * @param name Name of the type (e.q. List for List<T>, Integer or ? extends Integer)
-	 * @param typeParams Parameters of the type (e.q. <T> for List<T>)
-	 */
-	protected UnifyType(String name, TypeParams p) {
-		typeName = name;
-		typeParams = p;
-	}
-	
-
-	abstract public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht); 
-	
-	/**
-	 * Returns the name of the type.
-	 * @return The name e.q. List for List<T>, Integer or ? extends Integer
-	 */
-	public String getName() {
-		return typeName;
-	}
-	
-	/**
-	 * The parameters of the type.
-	 * @return Parameters of the type, e.q. <T> for List<T>.
-	 */
-	public TypeParams getTypeParams() {
-		return typeParams;
-	}
-	
-	/**
-	 * Returns a new type that equals this type except for the type parameters.
-	 * @param newTp The type params of the new type.
-	 * @return A new type object.
-	 */
-	public abstract UnifyType setTypeParams(TypeParams newTp);
-	
-	/**
-	 * Implementation of the visitor-pattern. Returns the set of smArg
-	 * by calling the most specific overload in the FC.
-	 * @param fc The FC that is called.
-	 * @return The set that is smArg(this)
-	 */
-	abstract Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded);
-	
-	/**
-	 * Implementation of the visitor-pattern. Returns the set of grArg
-	 * by calling the most specific overload in the FC.
-	 * @param fc The FC that is called.
-	 * @return The set that is grArg(this)
-	 */
-	abstract Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded);
-	
-	/**
-	 * Applies a unifier to this object.
-	 * @param unif The unifier
-	 * @return A UnifyType, that may or may not be a new object, that has its subtypes substituted.
-	 */
-	abstract UnifyType apply(Unifier unif);
-	
-	@Override
-	public String toString() {
-		String params = "";
-		if(typeParams.size() != 0) {
-			for(UnifyType param : typeParams)
-				params += param.toString() + ",";
-			params = "<" + params.substring(0, params.length()-1) + ">";
-		}
-		
-		return typeName + params;
-	}
-
-	public Collection<PlaceholderType> getInvolvedPlaceholderTypes() {
-		ArrayList<PlaceholderType> ret = new ArrayList<>();
-		ret.addAll(typeParams.getInvolvedPlaceholderTypes());
-		return ret;
-	}
-	
-	public Boolean wrongWildcard() {//default
-		return false;
-	}
-
-	@Override
-	public int hashCode() {
-		return this.toString().hashCode();
-	}
-
-	@Override
-	public boolean equals(Object obj) {
-		return this.toString().equals(obj.toString());
-	}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Set;
+
+import de.dhbwstuttgart.syntaxtree.StatementVisitor;
+import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
+
+/**
+ * Represents a java type.
+ * @author Florian Steurer
+ */
+public abstract class UnifyType {
+	
+	/**
+	 * The name of the type e.q. "Integer", "? extends Integer" or "List" for (List<T>)
+	 */
+	protected final String typeName;
+	
+	/**
+	 * The type parameters of the type.
+	 */
+	protected final TypeParams typeParams;
+	
+	/**
+	 * Creates a new instance
+	 * @param name Name of the type (e.q. List for List<T>, Integer or ? extends Integer)
+	 * @param typeParams Parameters of the type (e.q. <T> for List<T>)
+	 */
+	protected UnifyType(String name, TypeParams p) {
+		typeName = name;
+		typeParams = p;
+	}
+	
+
+	abstract public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht); 
+	
+	/**
+	 * Returns the name of the type.
+	 * @return The name e.q. List for List<T>, Integer or ? extends Integer
+	 */
+	public String getName() {
+		return typeName;
+	}
+	
+	/**
+	 * The parameters of the type.
+	 * @return Parameters of the type, e.q. <T> for List<T>.
+	 */
+	public TypeParams getTypeParams() {
+		return typeParams;
+	}
+	
+	/**
+	 * Returns a new type that equals this type except for the type parameters.
+	 * @param newTp The type params of the new type.
+	 * @return A new type object.
+	 */
+	public abstract UnifyType setTypeParams(TypeParams newTp);
+	
+	/**
+	 * Implementation of the visitor-pattern. Returns the set of smArg
+	 * by calling the most specific overload in the FC.
+	 * @param fc The FC that is called.
+	 * @return The set that is smArg(this)
+	 */
+	abstract Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded);
+	
+	/**
+	 * Implementation of the visitor-pattern. Returns the set of grArg
+	 * by calling the most specific overload in the FC.
+	 * @param fc The FC that is called.
+	 * @return The set that is grArg(this)
+	 */
+	abstract Set<UnifyType> grArg(IFiniteClosure fc, Set<UnifyType> fBounded);
+	
+	/**
+	 * Applies a unifier to this object.
+	 * @param unif The unifier
+	 * @return A UnifyType, that may or may not be a new object, that has its subtypes substituted.
+	 */
+	abstract UnifyType apply(Unifier unif);
+	
+	@Override
+	public String toString() {
+		String params = "";
+		if(typeParams.size() != 0) {
+			for(UnifyType param : typeParams)
+				params += param.toString() + ",";
+			params = "<" + params.substring(0, params.length()-1) + ">";
+		}
+		
+		return typeName + params;
+	}
+
+	public Collection<PlaceholderType> getInvolvedPlaceholderTypes() {
+		ArrayList<PlaceholderType> ret = new ArrayList<>();
+		ret.addAll(typeParams.getInvolvedPlaceholderTypes());
+		return ret;
+	}
+	
+	public Boolean wrongWildcard() {//default
+		return false;
+	}
+
+	@Override
+	public int hashCode() {
+		return this.toString().hashCode();
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		return this.toString().equals(obj.toString());
+	}
 }
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/WildcardType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/WildcardType.java
@@ -1,72 +1,72 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-
-/**
- * A wildcard type that is either a ExtendsType or a SuperType.
- * @author Florian Steurer
- */
-public abstract class WildcardType extends UnifyType {
-	
-	/**
-	 * The wildcarded type, e.q. Integer for ? extends Integer. Never a wildcard type itself.
-	 */
-	protected UnifyType wildcardedType;
-	
-	/**
-	 * Creates a new instance.
-	 * @param name The name of the type, e.q. ? extends Integer
-	 * @param wildcardedType The wildcarded type, e.q. Integer for ? extends Integer. Never a wildcard type itself.
-	 */
-	protected WildcardType(String name, UnifyType wildcardedType) {
-		super(name, wildcardedType.getTypeParams());
-		this.wildcardedType = wildcardedType;
-	}
-	
-	/**
-	 * Returns the wildcarded type, e.q. Integer for ? extends Integer.
-	 * @return The wildcarded type. Never a wildcard type itself.
-	 */
-	public UnifyType getWildcardedType() {
-		return wildcardedType;
-	}
-	
-	/**
-	 * Returns the type parameters of the WILDCARDED TYPE.
-	 */
-	@Override
-	public TypeParams getTypeParams() {
-		return wildcardedType.getTypeParams();
-	}
-	
-	@Override
-	public Boolean wrongWildcard () {//This is an error
-		return (wildcardedType instanceof WildcardType);
-	}
-	
-	@Override
-	public int hashCode() {
-		return wildcardedType.hashCode() + getName().hashCode() + 17;
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof WildcardType))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-		
-		WildcardType other = (WildcardType) obj;
-		return other.getWildcardedType().equals(wildcardedType);
-	}
-	
-
-	@Override
-	public Collection<PlaceholderType> getInvolvedPlaceholderTypes() {
-		ArrayList<PlaceholderType> ret = new ArrayList<>();
-		ret.addAll(wildcardedType.getInvolvedPlaceholderTypes());
-		return ret;
-	}
-}
+package de.dhbwstuttgart.typeinference.unify.model;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+/**
+ * A wildcard type that is either a ExtendsType or a SuperType.
+ * @author Florian Steurer
+ */
+public abstract class WildcardType extends UnifyType {
+	
+	/**
+	 * The wildcarded type, e.q. Integer for ? extends Integer. Never a wildcard type itself.
+	 */
+	protected UnifyType wildcardedType;
+	
+	/**
+	 * Creates a new instance.
+	 * @param name The name of the type, e.q. ? extends Integer
+	 * @param wildcardedType The wildcarded type, e.q. Integer for ? extends Integer. Never a wildcard type itself.
+	 */
+	protected WildcardType(String name, UnifyType wildcardedType) {
+		super(name, wildcardedType.getTypeParams());
+		this.wildcardedType = wildcardedType;
+	}
+	
+	/**
+	 * Returns the wildcarded type, e.q. Integer for ? extends Integer.
+	 * @return The wildcarded type. Never a wildcard type itself.
+	 */
+	public UnifyType getWildcardedType() {
+		return wildcardedType;
+	}
+	
+	/**
+	 * Returns the type parameters of the WILDCARDED TYPE.
+	 */
+	@Override
+	public TypeParams getTypeParams() {
+		return wildcardedType.getTypeParams();
+	}
+	
+	@Override
+	public Boolean wrongWildcard () {//This is an error
+		return (wildcardedType instanceof WildcardType);
+	}
+	
+	@Override
+	public int hashCode() {
+		return wildcardedType.hashCode() + getName().hashCode() + 17;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof WildcardType))
+			return false;
+		
+		if(obj.hashCode() != this.hashCode())
+			return false;
+		
+		WildcardType other = (WildcardType) obj;
+		return other.getWildcardedType().equals(wildcardedType);
+	}
+	
+
+	@Override
+	public Collection<PlaceholderType> getInvolvedPlaceholderTypes() {
+		ArrayList<PlaceholderType> ret = new ArrayList<>();
+		ret.addAll(wildcardedType.getInvolvedPlaceholderTypes());
+		return ret;
+	}
+}
--- a/src/test/java/bytecode/BinaryTest.java
+++ b/src/test/java/bytecode/BinaryTest.java
@@ -37,14 +37,14 @@ public class BinaryTest {
 	public void test() throws Exception {
 		Method m2 = classToTest.getDeclaredMethod("m2", Integer.class,Integer.class);
 		Integer res = (Integer) m2.invoke(instanceOfClass, 2,3);
-		assertEquals(6, res);
+		assertEquals(new Integer(6), res);
 	}
 	
 	@Test
 	public void testM3() throws Exception {
 		Method m3 = classToTest.getDeclaredMethod("m3", Integer.class);
 		Integer res = (Integer) m3.invoke(instanceOfClass, 2);
-		assertEquals(4, res);
+		assertEquals(new Integer(4), res);
 	}

 }
--- a/src/test/java/bytecode/FacTest.java
+++ b/src/test/java/bytecode/FacTest.java
@@ -38,7 +38,7 @@ public class FacTest {
 	public void testInteger() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method getFac = classToTest.getDeclaredMethod("getFac", Integer.class);
 		Integer result = (Integer) getFac.invoke(instanceOfClass,3);
-		assertEquals(result, 6);
+		assertEquals(result, new Integer(6));
 	}

 }
--- a/src/test/java/bytecode/FacultyTest.java
+++ b/src/test/java/bytecode/FacultyTest.java
@@ -51,7 +51,7 @@ public class FacultyTest {
 //		Integer result = (Integer) apply.invoke(lambda,i);
 		Integer result = (Integer) getFact.invoke(instanceOfClass,i);

-		assertEquals(6, result);
+		assertEquals(new Integer(6), result);
 	}


--- a/src/test/java/bytecode/FieldTphConsMethTest.java
+++ b/src/test/java/bytecode/FieldTphConsMethTest.java
@@ -33,14 +33,14 @@ public class FieldTphConsMethTest {
 		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
 		classToTest = loader.loadClass("FieldTphConsMeth");
 	}
-
+	
 	@Test
 	public void test() throws Exception {
 		instanceOfClass = classToTest.getConstructor(Object.class).newInstance("C");
 		Field a = classToTest.getDeclaredField("a");
 		a.setAccessible(true);
 		
-		Method m = classToTest.getDeclaredMethod("m", Object.class);
+		Method m = classToTest.getDeclaredMethod("id", Object.class);
 		Object result = m.invoke(instanceOfClass, 42);
 		
 		assertEquals(42,result);
--- a/src/test/java/bytecode/IdTest.java
+++ b/src/test/java/bytecode/IdTest.java
@@ -8,9 +8,10 @@ import java.net.URL;
 import java.net.URLClassLoader;

 import org.junit.BeforeClass;
-import org.junit.Test;
+

 import de.dhbwstuttgart.core.JavaTXCompiler;
+import org.junit.Test;

 public class IdTest {

--- a/src/test/java/bytecode/LambdaTest.java
+++ b/src/test/java/bytecode/LambdaTest.java
@@ -43,7 +43,7 @@ public class LambdaTest {
 		System.out.println(m.invoke(instanceOfClass).toString());
 		Integer result = (Integer) apply.invoke(m.invoke(instanceOfClass), i); 

-		assertEquals(77, result);
+		assertEquals(i, result);
 	}


--- a/src/test/java/bytecode/MatrixOpTest.java
+++ b/src/test/java/bytecode/MatrixOpTest.java
@@ -28,76 +28,75 @@ public class MatrixOpTest {
 	private static Object instanceOfClass_m3;

 	@Test
-	public void test() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, ClassNotFoundException, IOException, InstantiationException, NoSuchFieldException {	
-		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/MatrixOP.jav";
+	public void test() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, ClassNotFoundException, IOException, InstantiationException, NoSuchFieldException {
+		path = System.getProperty("user.dir") + "/src/test/resources/bytecode/javFiles/MatrixOP.jav";
 		fileToTest = new File(path);
 		compiler = new JavaTXCompiler(fileToTest);
-		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
+		pathToClassFile = System.getProperty("user.dir") + "/src/test/resources/testBytecode/generatedBC/";
 		compiler.generateBytecode(pathToClassFile);
-		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
-		classToTest = loader.loadClass("MatrixOP"); 
-		
+		loader = new URLClassLoader(new URL[]{new URL("file://" + pathToClassFile)});
+		classToTest = loader.loadClass("MatrixOP");
+
 		Vector<Vector<Integer>> vv = new Vector<Vector<Integer>>();
-		 Vector<Integer> v1 = new Vector<Integer> ();
-		 v1.addElement(2);
-		 v1.addElement(2);
-		 Vector<Integer> v2 = new Vector<Integer> ();
-		 v2.addElement(3);
-		 v2.addElement(3);
-		 //Matrix m1 = new Matrix();
-		 //m1.addElement(v1);
-		 //m1.addElement(v2);
-		 vv.addElement(v1);
-		 vv.addElement(v2);
-		 
-		 instanceOfClass_m1 = classToTest.getDeclaredConstructor(Vector.class).newInstance(vv);  //Matrix m1 = new Matrix(vv);
+		Vector<Integer> v1 = new Vector<Integer>();
+		v1.addElement(2);
+		v1.addElement(2);
+		Vector<Integer> v2 = new Vector<Integer>();
+		v2.addElement(3);
+		v2.addElement(3);
+		//Matrix m1 = new Matrix();
+		//m1.addElement(v1);
+		//m1.addElement(v2);
+		vv.addElement(v1);
+		vv.addElement(v2);

-		 Vector<Vector<Integer>> vv1 = new Vector<Vector<Integer>>();
-		 Vector<Integer> v3 = new Vector<Integer> ();
-		 v3.addElement(2);
-		 v3.addElement(2);
-		 Vector<Integer> v4 = new Vector<Integer> ();
-		 v4.addElement(3);
-		 v4.addElement(3);
-		 //Matrix m2 = new Matrix();
-		 //m2.addElement(v3);
-		 //m2.addElement(v4);
-		 vv1.addElement(v3);
-		 vv1.addElement(v4);
-		 
-		 instanceOfClass_m2 = classToTest.getDeclaredConstructor(Vector.class).newInstance(vv1);//Matrix m2 = new Matrix(vv1);
-		 
-		 
+		instanceOfClass_m1 = classToTest.getDeclaredConstructor(Vector.class).newInstance(vv);  //Matrix m1 = new Matrix(vv);

-		 //Matrix m3 = m1.mul(vv1);
+		Vector<Vector<Integer>> vv1 = new Vector<Vector<Integer>>();
+		Vector<Integer> v3 = new Vector<Integer>();
+		v3.addElement(2);
+		v3.addElement(2);
+		Vector<Integer> v4 = new Vector<Integer>();
+		v4.addElement(3);
+		v4.addElement(3);
+		//Matrix m2 = new Matrix();
+		//m2.addElement(v3);
+		//m2.addElement(v4);
+		vv1.addElement(v3);
+		vv1.addElement(v4);
+
+		instanceOfClass_m2 = classToTest.getDeclaredConstructor(Vector.class).newInstance(vv1);//Matrix m2 = new Matrix(vv1);
+
+
+		//Matrix m3 = m1.mul(vv1);
 //		 Method mul = classToTest.getDeclaredMethod("mul", Vector.class);
 //		 Object result = mul.invoke(instanceOfClass_m1, instanceOfClass_m2);
-		 Field mul = classToTest.getField("mul");
-		 mul.setAccessible(true);
-		 
-		 Class<?> lambda = mul.get(instanceOfClass_m1).getClass();
-		 Method apply = lambda.getMethod("apply", Object.class,Object.class);
+		Field mul = classToTest.getField("mul");
+		mul.setAccessible(true);
+
+		Class<?> lambda = mul.get(instanceOfClass_m1).getClass();
+		Method apply = lambda.getMethod("apply", Object.class, Object.class);
 		// Damit man auf die Methode zugreifen kann
-		 apply.setAccessible(true);
-		 
-		 Object result = apply.invoke(mul.get(instanceOfClass_m1),instanceOfClass_m1, instanceOfClass_m2);
-		 System.out.println(instanceOfClass_m1.toString() + " * " + instanceOfClass_m2.toString() + " = " + result.toString());
-		
-		 Vector<Vector<Integer>> res = new Vector<Vector<Integer>>();
-		 Vector<Integer> v5 = new Vector<Integer> ();
-		 v5.addElement(10);
-		 v5.addElement(10);
-		 Vector<Integer> v6 = new Vector<Integer> ();
-		 v6.addElement(15);
-		 v6.addElement(15);
-		 //Matrix m2 = new Matrix();
-		 //m2.addElement(v3);
-		 //m2.addElement(v4);
-		 res.addElement(v5);
-		 res.addElement(v6);
-		 instanceOfClass_m3 = classToTest.getDeclaredConstructor(Vector.class).newInstance(res);
-		 assertEquals(result, instanceOfClass_m3);
-		
+		apply.setAccessible(true);
+
+		Object result = apply.invoke(mul.get(instanceOfClass_m1), instanceOfClass_m1, instanceOfClass_m2);
+		System.out.println(instanceOfClass_m1.toString() + " * " + instanceOfClass_m2.toString() + " = " + result.toString());
+
+		Vector<Vector<Integer>> res = new Vector<Vector<Integer>>();
+		Vector<Integer> v5 = new Vector<Integer>();
+		v5.addElement(10);
+		v5.addElement(10);
+		Vector<Integer> v6 = new Vector<Integer>();
+		v6.addElement(15);
+		v6.addElement(15);
+		//Matrix m2 = new Matrix();
+		//m2.addElement(v3);
+		//m2.addElement(v4);
+		res.addElement(v5);
+		res.addElement(v6);
+		instanceOfClass_m3 = classToTest.getDeclaredConstructor(Vector.class).newInstance(res);
+		assertEquals(result, instanceOfClass_m3);
+
 	}

 }
--- a/src/test/java/bytecode/MatrixTest.java
+++ b/src/test/java/bytecode/MatrixTest.java
@@ -27,7 +27,7 @@ public class MatrixTest {
 	private static Object instanceOfClass_m3;

 	@Test
-	public void test() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, ClassNotFoundException, IOException, InstantiationException {	
+	public void test() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, ClassNotFoundException, IOException, InstantiationException {
 		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/Matrix.jav";
 		fileToTest = new File(path);
 		compiler = new JavaTXCompiler(fileToTest);
@@ -85,7 +85,6 @@ public class MatrixTest {
 		 res.addElement(v6);
 		 instanceOfClass_m3 = classToTest.getDeclaredConstructor(Vector.class).newInstance(res);
 		 assertEquals(result, instanceOfClass_m3);
-		
 	}

 }
--- a/src/test/java/bytecode/OLFunTest.java
+++ b/src/test/java/bytecode/OLFunTest.java
@@ -12,7 +12,7 @@ import org.junit.Test;

 import de.dhbwstuttgart.core.JavaTXCompiler;

-public class FunOLTest {
+public class OLFunTest {
 	private static String path;
 	private static File fileToTest;
 	private static JavaTXCompiler compiler;
@@ -23,13 +23,13 @@ public class FunOLTest {
 	
 	@Test
 	public void generateBC() throws Exception {
-		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/FunOL.jav";
+		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/OLFun.jav";
 		fileToTest = new File(path);
 		compiler = new JavaTXCompiler(fileToTest);
 		compiler.generateBytecode(System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/");
 		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
 		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
-		classToTest = loader.loadClass("FunOL");
+		classToTest = loader.loadClass("OLFun");
 		/*
 		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();

--- a/src/test/java/bytecode/OLTest.java
+++ b/src/test/java/bytecode/OLTest.java
@@ -7,11 +7,14 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.URL;
 import java.net.URLClassLoader;
+import java.util.List;

 import org.junit.BeforeClass;
 import org.junit.Test;

+import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
 import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.typeinference.result.ResultSet;

 public class OLTest {
 	private static String path;
@@ -30,7 +33,9 @@ public class OLTest {
 		fileToTest = new File(path);
 		compiler = new JavaTXCompiler(fileToTest);
 		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
-		compiler.generateBytecode(pathToClassFile);
+		List<ResultSet> typeinferenceResult = compiler.typeInference();
+		List<GenericGenratorResultForSourceFile> simplifyResultsForAllSourceFiles = compiler.getGeneratedGenericResultsForAllSourceFiles(typeinferenceResult);
+		compiler.generateBytecode(pathToClassFile,typeinferenceResult,simplifyResultsForAllSourceFiles);
 		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
 		classToTest = loader.loadClass("OL");
 		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
@@ -47,14 +52,14 @@ public class OLTest {
 	public void testmInt() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("m", Integer.class);
 		Integer result = (Integer) m.invoke(instanceOfClass, 5);
-		assertEquals(10, result);
+		assertEquals(new Integer(10), result);
 	}
 	
 	@Test
 	public void testmDouble() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("m", Double.class);
 		Double result = (Double) m.invoke(instanceOfClass, 5.0);
-		assertEquals(10.0, result);
+		assertEquals(new Double(10.0), result);
 	}
 	
 	@Test
@@ -73,14 +78,14 @@ public class OLTest {
 	public void testmainInt() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method main = classToTest1.getDeclaredMethod("main", Integer.class);
 		Integer result = (Integer) main.invoke(instanceOfClass1, 5);
-		assertEquals(10, result);
+		assertEquals(new Integer(10), result);
 	}
 	
 	@Test
 	public void testmainDouble() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method main = classToTest1.getDeclaredMethod("main", Double.class);
 		Double result = (Double) main.invoke(instanceOfClass1, 5.0);
-		assertEquals(10.0, result);
+		assertEquals(new Double(10.0), result);
 	}
 	
 	@Test
--- a/src/test/java/bytecode/OpTest.java
+++ b/src/test/java/bytecode/OpTest.java
@@ -54,7 +54,7 @@ public class OpTest {
 		
 		Integer result = (Integer) m.invoke(instanceOfClass, 7,3);
 		
-		assertEquals(10, result);
+		assertEquals(new Integer(10), result);
 	}
 	

--- a/src/test/java/bytecode/PostIncTest.java
+++ b/src/test/java/bytecode/PostIncTest.java
@@ -38,28 +38,28 @@ public class PostIncTest {
 	public void testM1() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("m");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(1, res);
+		assertEquals(new Integer(1), res);
 	}
 	
 	@Test
 	public void testM2() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("m2");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(0, res);
+		assertEquals(new Integer(0), res);
 	}
 	
 	@Test
 	public void testD1() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("d");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(-1, res);
+		assertEquals(new Integer(-1), res);
 	}
 	
 	@Test
 	public void testD2() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("d2");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(0, res);
+		assertEquals(new Integer(0), res);
 	}

 }
--- a/src/test/java/bytecode/PreIncTest.java
+++ b/src/test/java/bytecode/PreIncTest.java
@@ -38,28 +38,28 @@ public class PreIncTest {
 	public void testM() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("m");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(1, res);
+		assertEquals(new Integer(1), res);
 	}
 	
 	@Test
 	public void testM2() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("m2");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(1, res);
+		assertEquals(new Integer(1), res);
 	}
 	
 	@Test
 	public void testD() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("d");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(-1, res);
+		assertEquals(new Integer(-1), res);
 	}
 	
 	@Test
 	public void testD2() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 		Method m = classToTest.getDeclaredMethod("d2");
 		Integer res = (Integer) m.invoke(instanceOfClass);
-		assertEquals(-1, res);
+		assertEquals(new Integer(-1), res);
 	}

 }
--- a/src/test/java/bytecode/SimpleCycleTest.java
+++ b/src/test/java/bytecode/SimpleCycleTest.java
@@ -0,0 +1,38 @@
+package bytecode;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import de.dhbwstuttgart.core.JavaTXCompiler;
+
+public class SimpleCycleTest {
+	
+	private static String path;
+	private static File fileToTest;
+	private static JavaTXCompiler compiler;
+	private static ClassLoader loader;
+	private static Class<?> classToTest;
+	private static String pathToClassFile;
+	private static Object instanceOfClass;
+	
+	@Test
+	public void generateGen() throws Exception {
+		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/SimpleCycle.jav";
+		fileToTest = new File(path);
+		compiler = new JavaTXCompiler(fileToTest);
+		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
+		compiler.generateBytecode(pathToClassFile);
+		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
+		classToTest = loader.loadClass("SimpleCycle");
+		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
+	}
+
+	
+}
--- a/src/test/java/bytecode/TphTest.java
+++ b/src/test/java/bytecode/TphTest.java
@@ -39,7 +39,7 @@ public class TphTest {
 		Method m = classToTest.getDeclaredMethod("m", Object.class, Object.class);
 		Object result = m.invoke(instanceOfClass, 1,2);
 		
-		assertEquals(2,result);
+		assertEquals(1,result);
 	}
 	
 	@Test
@@ -47,7 +47,7 @@ public class TphTest {
 		Method m = classToTest.getDeclaredMethod("m", Object.class, Object.class);
 		Object result = m.invoke(instanceOfClass, 1, "sss");
 		
-		assertEquals("sss",result);
+		assertEquals(1,result);
 	}
 	
 	@Test
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
pl@gohorb.ba-horb.de	c68d773486	modified: ../../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java modified: ../../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java Threadsteuerung veranendert, so dass möglichst veile Threads gleichzeitig laufen. Müsste noch verbessert werden können.	2019-11-18 14:37:59 +01:00
pl@gohorb.ba-horb.de	00bbd5279f	modified: src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java log-File-Ausgabe etwas ergaenzt modified: src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java Fehler korrigiert, dass alle Fieldinitializer bei mehreren Klassen additiv hinzugefuegt werden modified: src/main/java/de/dhbwstuttgart/syntaxtree/statement/This.java toString veranedert modified: src/test/resources/bytecode/javFiles/mathStruc.jav leichte Korrektur new file: src/test/java/bytecode/mathStrucIntegerTest.java new file: src/test/resources/bytecode/javFiles/mathStrucInteger.jav mathStruc auf Integer angewandt new file: src/test/resources/bytecode/javFiles/mathStrucMatrixOP.jav mathStruc auf MatrixOP angewandt, laeuft noch nicht durch, des halb Test noch nicht eingecheckt	2019-10-24 17:47:51 +02:00
pl@gohorb.ba-horb.de	6c783a18c7	new file: ../../../../../PlugInBau.txt modified: ../../bytecode/javFiles/Faculty.jav modified: ../../bytecode/javFiles/OL.jav modified: ../../bytecode/javFiles/Y.jav modified: ../../bytecode/javFiles/mathStruc.jav	2019-10-22 16:44:38 +02:00
Fayez Abu Alia	8c195601d5	Fixed signature problem for FunN	2019-10-12 11:32:56 +02:00
pl@gohorb.ba-horb.de	37f8f2e1e0	modified: ../../bytecode/javFiles/Y.jav Anwendung von Y eingefuegt.	2019-09-19 13:57:49 +02:00
Fayez Abu Alia	0903efda0d	Fixed bug 115	2019-09-19 13:00:35 +02:00
Fayez Abu Alia	c2030123d5	Fixed bugs 163 and 169	2019-09-17 09:33:18 +02:00
Fayez Abu Alia	d1637b8eb9	Merge branch 'bytecode2' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into bytecode2	2019-08-29 11:50:23 +02:00
Fayez Abu Alia	9abda637a1	Generic generator algorithm - fixed bug	2019-08-29 10:49:18 +02:00
pl@gohorb.ba-horb.de	82c0837d1f	mathStruc.jav hinzugefügt	2019-08-23 15:06:54 +02:00
Fayez Abu Alia	a41e9804a0	Merge branch 'bytecode2' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into bytecode2	2019-07-31 13:18:07 +02:00
Fayez Abu Alia	25c685c705	Merged with simplifyRes and cleaned up code	2019-07-31 13:16:14 +02:00
Fayez Abu Alia	3ecb202a90	Generic generator algorithm v1	2019-07-31 11:55:24 +02:00
Fayez Abu Alia	efdb58e67c	Added throw Exception to method getSimplifyResultsByName	2019-07-31 10:33:43 +02:00
Fayez Abu Alia	eed8f32cb7	Merge branch 'simplifyRes' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into simplifyRes	2019-07-31 10:27:43 +02:00
Fayez Abu Alia	87d0a46ba5	Generic generator algorithm v0.1	2019-07-31 10:24:58 +02:00
Michael Uhl	5b75250fcf	Merge branch 'bigRefactoring' into simplifyRes # Conflicts: # src/main/java/de/dhbwstuttgart/bytecode/utilities/SimplifyResult.java # src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java	2019-07-29 16:21:25 +02:00
Michael Uhl	7f29b39195	Generic Method inserts.	2019-07-26 10:12:53 +02:00
Fayez Abu Alia	7a4bc32974	Generic generator algorithm v0.1	2019-07-25 22:24:06 +02:00
Fayez Abu Alia	dfddc44f29	Separated the algorithm into two parts. Part 1 is the simplification of the constraints and part 2 is generation of generics.	2019-07-12 19:50:46 +02:00
Fayez Abu Alia	347d86a379	Genericsgenerator step 2 and 3	2019-07-11 15:52:38 +02:00
Fayez Abu Alia	d77f2176f2	Generics generator step 1	2019-07-10 15:26:16 +02:00
Fayez Abu Alia	4f39eccecb	Removed an old getter method	2019-07-05 13:45:24 +02:00
Fayez Abu Alia	669e7f111f	Separated the generation of bytecode and the calculation of simplify results from each other	2019-07-05 13:29:34 +02:00
pl@gohorb.ba-horb.de	32d12677bf	Merge branch 'bytecode2' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into bytecode2	2019-06-28 11:41:47 +02:00
pl@gohorb.ba-horb.de	92b2f5c9cc	modified: src/test/resources/bytecode/javFiles/Faculty.jav } eingefuegt	2019-06-28 11:41:19 +02:00
Fayez Abu Alia	c1e6526b43	Removed unnecessary tests	2019-06-26 12:18:49 +02:00
Fayez Abu Alia	0194e30206	Fixed Bug 150.	2019-06-26 12:16:47 +02:00
Fayez Abu Alia	3c36c61077	Fixed Bugs 159, 162 and 163	2019-06-13 14:01:32 +02:00
Fayez Abu Alia	857d63322e	Fixed Bug 152 Faculty Probleme	2019-06-07 10:28:48 +02:00
Fayez Abu Alia	b801e144c3	Merged with bigRefactoring. Added method to generate signature to FunN-Interfaces. Adapted jav-Files.	2019-06-06 12:15:51 +02:00
Martin Plümicke	f6669f8c13	new file: ../../../java/bytecode/VectorAddTest.java	2019-06-05 10:28:51 +02:00
Martin Plümicke	2b7aef5e87	modified: ../../../../main/java/de/dhbwstuttgart/core/JavaTXCompiler.java modified: ../../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java Pfad fuer logFile nach JavaCompilerCore/logFiles verlegt. modified: ../../bytecode/javFiles/OL.jav modified: ../../bytecode/javFiles/VectorAdd.jav	2019-06-05 10:21:25 +02:00
Michael Uhl	0233426979	Merge remote-tracking branch 'origin/bigRefactoring' into bigRefactoring	2019-05-14 21:54:41 +02:00
Michael Uhl	3d0d11adb7	Code aufgeräumt.	2019-05-14 21:43:32 +02:00
Martin Plümicke	212144db86	renamed: test/java/bytecode/FunOLTest.java -> test/java/bytecode/OLFunTest.java new file: test/resources/bytecode/javFiles/OLFun.jav	2019-05-14 20:30:32 +02:00
Martin Plümicke	bd0517ae29	modified: src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java log-File in anderen Pfad modified: src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java substitutions gekapselt	2019-05-14 19:54:51 +02:00
Martin Plümicke	f210dd3c25	modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java try der Nullpointer-Exception erweitert.	2019-05-13 11:11:47 +02:00
Martin Plümicke	4602e95f09	modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java	2019-05-12 20:00:03 +02:00
Martin Plümicke	1ef228a045	modified: ../../../main/java/de/dhbwstuttgart/core/JavaTXCompiler.java public volatile UnifyTaskModel usedTasks = new UnifyTaskModel(); auf publich gesetzt	2019-05-12 19:54:30 +02:00
Martin Plümicke	c3c0a11572	Debugabfrage entfernt, die Exception ausgeloest hat modified: src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyTaskModel.java Methoden synchronized gemacht	2019-05-12 19:15:26 +02:00
Martin Plümicke	d14406e474	modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java modified: ../../resources/bytecode/javFiles/MatrixOP.jav	2019-05-10 21:23:28 +02:00
Martin Plümicke	a149b0c391	modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/UnifyTaskModel.java Eigenen Cancel-Mechanismus implementiert	2019-05-10 21:02:24 +02:00
pl@gohorb.ba-horb.de	bfbce81409	Abbruch aller Threads eingebaut modified: src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java new file: src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyTaskModel.java	2019-05-10 16:30:55 +02:00
Martin Plümicke	985704c0b0	modified: src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java Wen kein Import für die Addition vorhanden ist, wird Fehler ausgegeben	2019-05-08 08:58:19 +02:00
Michael Uhl	1f20fecfee	ResultPair durchgeschleift.	2019-05-07 10:38:25 +02:00
Michael Uhl	4b8b0ec362	ConcurrentModificationException umgangen.	2019-05-05 22:33:16 +02:00
Michael Uhl	e48f2b2fd5	Merge remote-tracking branch 'origin/bigRefactoring' into bigRefactoring # Conflicts: # src/main/java/de/dhbwstuttgart/bytecode/BytecodeGen.java	2019-04-27 16:33:20 +02:00
Michael Uhl	11bee80969	Bytecode-Generierung generiert jetzt wieder Bytecode für alle möglichen Typen.	2019-04-27 16:29:38 +02:00
Martin Plümicke	448c489a49	modified: src/main/java/de/dhbwstuttgart/typeinference/result/ResultSet.java modified: src/test/resources/bytecode/javFiles/Lambda.jav modified: src/test/resources/bytecode/javFiles/MatrixOP.jav modified: src/test/resources/bytecode/javFiles/OL.jav	2019-04-27 15:44:21 +02:00
pl@gohorb.ba-horb.de	1e1eb2a2f2	geändert: src/main/java/de/dhbwstuttgart/typeinference/result/ResultSet.java	2019-04-27 14:51:25 +02:00
pl@gohorb.ba-horb.de	4a7c124fd6	Merge branch 'bytecode2' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into bigRefactoring	2019-04-27 09:51:22 +02:00
pl@gohorb.ba-horb.de	7d01c866a9	modified: ../src/test/resources/bytecode/javFiles/Id.jav modified: ../src/test/resources/bytecode/javFiles/Matrix.jav modified: ../src/test/resources/bytecode/javFiles/MatrixOP.jav modified: ../src/test/resources/bytecode/javFiles/OL.jav	2019-04-26 14:12:46 +02:00
Michael Uhl	481986e8ab	Kein Compileraufruf bei Type-Insert - ResultPairMap wird wieder geleeert.	2019-04-20 17:22:10 +02:00
Michael Uhl	23c37a8cc2	Richtiges Einsetzen ohne Speichern.	2019-04-19 20:49:28 +02:00
Michael Uhl	905d9e25a2	[PLUGIN]: Filter type insert points after insertion.	2019-04-18 09:48:56 +02:00