JavaDoc anfang
This commit is contained in:
parent
1313402f07
commit
f2b4876c71
40
.idea/workspace.xml
generated
40
.idea/workspace.xml
generated
@ -6,17 +6,23 @@
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<component name="ChangeListManager">
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<list default="true" id="70f8ea87-9ffc-471a-8059-ebbfc323adcc" name="Changes" comment="LegendArea gestaltet">
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<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/OurApplication/OurAlgorithm.java" beforeDir="false" afterPath="$PROJECT_DIR$/OurApplication/OurAlgorithm.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/OurApplication/OurApplication.java" beforeDir="false" afterPath="$PROJECT_DIR$/OurApplication/OurApplication.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/OurApplication/OurDrawArea.java" beforeDir="false" afterPath="$PROJECT_DIR$/OurApplication/OurDrawArea.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/OurApplication/OurLegendArea.java" beforeDir="false" afterPath="$PROJECT_DIR$/OurApplication/OurLegendArea.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/OurApplication/OurParameterArea.java" beforeDir="false" afterPath="$PROJECT_DIR$/OurApplication/OurParameterArea.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/DirectedGraph.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/DirectedGraph.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/ExampleGraphs.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/ExampleGraphs.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/Edge.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/Edge.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/EdgeMarking.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/EdgeMarking.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/Graph.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/Graph.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/MarkedEdge.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/MarkedEdge.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/MarkedVertex.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/MarkedVertex.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/Marking.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/Marking.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/NameDoesNotExistException.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/NameDoesNotExistException.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/UndirectedGraph.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/UndirectedGraph.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/Vertex.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/Vertex.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/graph/VertexMarking.java" beforeDir="false" afterPath="$PROJECT_DIR$/graph/VertexMarking.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/OurApplication/OurApplication.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/OurApplication/OurApplication.class" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/OurApplication/OurParameterArea.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/OurApplication/OurParameterArea.class" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/graph/DirectedGraph.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/graph/DirectedGraph.class" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/graph/ExampleGraphs.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/graph/ExampleGraphs.class" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/graph/Graph.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/graph/Graph.class" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/graph/MarkedEdge.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/graph/MarkedEdge.class" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/graph/MarkedVertex.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/graph/MarkedVertex.class" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/out/production/ProjektGraph/graph/UndirectedGraph.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/ProjektGraph/graph/UndirectedGraph.class" afterDir="false" />
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</list>
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<option name="SHOW_DIALOG" value="false" />
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@ -42,17 +48,17 @@
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<option name="hideEmptyMiddlePackages" value="true" />
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<option name="showLibraryContents" value="true" />
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</component>
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<component name="PropertiesComponent"><![CDATA[{
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"keyToString": {
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"Application.Display.executor": "Run",
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"Application.OurApplication.executor": "Run",
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"Application.OurLegendArea.executor": "Run",
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"RunOnceActivity.ShowReadmeOnStart": "true",
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"git-widget-placeholder": "main",
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"kotlin-language-version-configured": "true",
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"last_opened_file_path": "C:/Git/ProjektGraphMain"
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<component name="PropertiesComponent">{
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"keyToString": {
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"Application.Display.executor": "Run",
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"Application.OurApplication.executor": "Run",
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"Application.OurLegendArea.executor": "Run",
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"RunOnceActivity.ShowReadmeOnStart": "true",
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"git-widget-placeholder": "main",
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"kotlin-language-version-configured": "true",
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"last_opened_file_path": "C:/Git/ProjektGraphMain"
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}
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}]]></component>
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}</component>
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<component name="RecentsManager">
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<key name="CopyFile.RECENT_KEYS">
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<recent name="C:\Git\ProjektGraph" />
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@ -47,7 +47,7 @@ public class OurApplication {
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DirectedGraph<VertexMarking, EdgeMarking> myGraph = new DirectedGraph<>();
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ExampleGraphs temp = new ExampleGraphs();
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myGraph = temp.example1();
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//myGraph = temp.example2();
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//sean: Ich wollte erst hier dann das ausgewählte Beispiel reinhauen, jedoch wird das hier nur einmal am Anfang aufgerufen
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System.out.println(myGraph.toString());
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@ -1,63 +1,108 @@
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package graph;
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/**
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* Abstract class representing an edge in a graph.
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*/
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public abstract class Edge {
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// ATTRIBUTE
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// ATTRIBUTES
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/** The name of the edge. */
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private String name;
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/** The source vertex of the edge. */
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private Vertex source;
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/** The destination vertex of the edge. */
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private Vertex destination;
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// CONSTRUCTORS
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// KONSTRUKTOREN
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/**
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* Default constructor initializes the edge with empty name and null source and destination vertices.
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*/
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public Edge() {
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this.name = "";
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this.source = null;
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this.destination = null;
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}
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/**
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* Constructor initializes the edge with a specified name, source, and destination vertices.
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*
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* @param s The name of the edge.
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* @param n1 The source vertex of the edge.
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* @param n2 The destination vertex of the edge.
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*/
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public Edge(String s, Vertex n1, Vertex n2) {
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this.name = s;
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this.source = n1;
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this.destination = n2;
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}
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// GETTERS
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// GET-ER
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/**
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* Retrieves the name of the edge.
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*
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* @return The name of the edge.
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*/
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public String getName() {
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return this.name;
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}
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/**
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* Retrieves the source vertex of the edge.
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*
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* @return The source vertex of the edge.
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*/
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public Vertex getSource() {
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return this.source;
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}
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/**
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* Retrieves the destination vertex of the edge.
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*
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* @return The destination vertex of the edge.
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*/
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public Vertex getDestination() {
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return this.destination;
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}
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/**
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* Abstract method to retrieve the screen representation of the edge for visualization.
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*
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* @return The visualizationElements.Edge representing the screen edge.
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*/
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public abstract visualizationElements.Edge getScreenEdge();
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// SETTERS
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// SET-ER
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/**
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* Sets the name of the edge.
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*
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* @param s The name to set for the edge.
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*/
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public void setName(String s) {
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this.name = s;
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}
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/**
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* Sets the source vertex of the edge.
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*
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* @param n The source vertex to set for the edge.
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*/
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public void setSource(Vertex n) {
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this.source = n;
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}
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/**
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* Sets the destination vertex of the edge.
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*
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* @param n The destination vertex to set for the edge.
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*/
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public void setDestination(Vertex n) {
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this.destination = n;
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}
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}
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@ -1,19 +1,45 @@
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package graph;
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public abstract class EdgeMarking extends Marking{
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/**
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* Abstract class representing an edge marking.
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* Extends the Marking class.
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*/
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public abstract class EdgeMarking extends Marking {
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}
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class EdgeWeightMarking extends EdgeMarking{
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/**
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* Class representing a specific type of edge marking: edge weight.
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* Inherits from EdgeMarking.
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*/
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class EdgeWeightMarking extends EdgeMarking {
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/** The weight value associated with this edge marking. */
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private int weight;
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EdgeWeightMarking(int weight){
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/**
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* Constructor to initialize the EdgeWeightMarking with a specified weight.
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*
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* @param weight The weight value to set.
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*/
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EdgeWeightMarking(int weight) {
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this.weight = weight;
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}
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public void setWeight(int weight){
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this.weight=weight;
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/**
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* Sets the weight value of this edge marking.
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*
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* @param weight The weight value to set.
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*/
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public void setWeight(int weight) {
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this.weight = weight;
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}
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public int getWeight(){
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/**
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* Retrieves the weight value of this edge marking.
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*
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* @return The weight value of this edge marking.
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*/
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public int getWeight() {
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return this.weight;
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}
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}
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185
graph/Graph.java
185
graph/Graph.java
@ -6,23 +6,39 @@ import logging.LogElementList;
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import java.awt.*;
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import java.util.*;
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/**
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* Abstract class representing a generic graph.
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* @param <T> Type parameter for vertex markings, extends VertexMarking.
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* @param <U> Type parameter for edge markings, extends EdgeMarking.
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*/
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public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
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// ATTRIBUTE
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/** The name of the graph. */
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private String name;
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/** Vector containing all marked vertices in the graph. */
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private Vector<MarkedVertex<T>> vertexes;
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/** Vector containing all marked edges in the graph. */
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private Vector<MarkedEdge<U>> edges;
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// KONSTRUKTOREN
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/**
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* Default constructor initializes an empty graph.
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*/
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public Graph() {
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this.edges = new Vector<>();
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this.vertexes = new Vector<>();
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}
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/**
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* Constructor that initializes the graph with a given name.
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* @param s The name of the graph.
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*/
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public Graph(String s) {
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this();
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this.name = s;
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@ -31,35 +47,59 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
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// GET-ER
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/**
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* Returns the name of the graph.
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* @return The name of the graph.
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*/
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public String getName() {
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return this.name;
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}
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/**
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* Returns all edges in the graph.
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* @return Vector containing all edges in the graph.
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*/
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public Vector<MarkedEdge<U>> getAllEdges() {
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return this.edges;
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}
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/**
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* Returns all vertices in the graph.
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* @return Vector containing all vertices in the graph.
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*/
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public Vector<MarkedVertex<T>> getAllVertexes() {
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return this.vertexes;
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}
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/**
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* Abstract method to get the visualization representation of the graph.
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* @return Visualization representation of the graph.
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*/
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public abstract visualizationElements.Graph getScreenGraph();
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/**
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* Abstract method to get the log list associated with the graph.
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* @return LogElementList containing log elements associated with the graph.
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*/
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public abstract LogElementList<OurLogElement> getLogList();
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// SET-ER
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/**
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* Sets the name of the graph.
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* @param s The name to set for the graph.
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*/
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public void setName(String s) {
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this.name = s;
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}
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// Ausgabe
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/**
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* Returns a string representation of the graph.
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* @return String representation of the graph.
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*/
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public String toString() {
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String output = "";
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for (Vertex i: this.vertexes) {
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@ -77,12 +117,20 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
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// HINZUFÜGEN
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// Kante hinzufügen
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/**
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* Adds an edge to the graph.
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* @param e The edge to add.
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*/
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public void addEdge(MarkedEdge<U> e) {
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this.edges.add(e);
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}
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// Knoten hinzufügen
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/**
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* Adds a vertex to the graph.
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* @param n The vertex to add.
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*/
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public void addVertex(MarkedVertex<T> n) {
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this.vertexes.add(n);
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}
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@ -91,12 +139,20 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
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// LÖSCHEN
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// Kante löschen
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/**
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* Removes an edge from the graph.
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* @param e The edge to remove.
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*/
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public void removeEdge(MarkedEdge<U> e) {
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this.edges.remove(e);
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}
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public void removeEdge(String s) throws NameDoesNotExistException{
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/**
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* Removes an edge from the graph based on its name.
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* @param s The name of the edge to remove.
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* @throws NameDoesNotExistException If the edge with the specified name does not exist.
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||||
*/
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public void removeEdge(String s) throws NameDoesNotExistException {
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for (MarkedEdge<U> i: this.edges) {
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if (Objects.equals(i.getName(), s)) {
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this.removeEdge(i);
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@ -108,6 +164,10 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
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// Knoten löschen
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/**
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* Removes a vertex from the graph.
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* @param n The vertex to remove.
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*/
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public void removeVertex(MarkedVertex<T> n) {
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for (MarkedEdge<U> i: this.edges) {
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if (i.getSource() == n || i.getDestination() == n) {
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||||
@ -117,8 +177,12 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
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||||
this.vertexes.remove(n);
|
||||
}
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||||
|
||||
|
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public void removeVertex(String s) throws NameDoesNotExistException{
|
||||
/**
|
||||
* Removes a vertex from the graph based on its name.
|
||||
* @param s The name of the vertex to remove.
|
||||
* @throws NameDoesNotExistException If the vertex with the specified name does not exist.
|
||||
*/
|
||||
public void removeVertex(String s) throws NameDoesNotExistException {
|
||||
for (MarkedVertex<T> i: this.vertexes) {
|
||||
if (Objects.equals(i.getName(), s)) {
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this.removeVertex(i);
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@ -132,30 +196,50 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
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// GRAPH EIGENSCHAFTEN
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// Kantenmenge
|
||||
/**
|
||||
* Returns the number of edges in the graph.
|
||||
* @return The number of edges in the graph.
|
||||
*/
|
||||
public int numberOfEdges() {
|
||||
return this.edges.size();
|
||||
}
|
||||
|
||||
|
||||
// Knotenmenge
|
||||
/**
|
||||
* Returns the number of vertices in the graph.
|
||||
* @return The number of vertices in the graph.
|
||||
*/
|
||||
public int numberOfVertexes() {
|
||||
return this.vertexes.size();
|
||||
}
|
||||
|
||||
|
||||
// Grad des Graphen
|
||||
// https://loeh.app.uni-regensburg.de/teaching/discmath_ws0910/graphentheorie_ueberblick.pdf
|
||||
/**
|
||||
* Computes and returns the degree of the graph.
|
||||
* @return The degree of the graph.
|
||||
*/
|
||||
public int degree() {
|
||||
return 2 * this.edges.size();
|
||||
}
|
||||
|
||||
|
||||
// Prüfung, ob Knoten im Graph
|
||||
/**
|
||||
* Checks if a vertex is present in the graph.
|
||||
* @param n The vertex to check.
|
||||
* @return True if the vertex is present, false otherwise.
|
||||
*/
|
||||
public boolean hasVertex(MarkedVertex<T> n) {
|
||||
return this.vertexes.contains(n);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Checks if a vertex with a specific name is present in the graph.
|
||||
* @param s The name of the vertex to check.
|
||||
* @return True if the vertex with the given name is present, false otherwise.
|
||||
*/
|
||||
public boolean hasVertex(String s) {
|
||||
for (MarkedVertex<T> i: this.vertexes) {
|
||||
if (Objects.equals(i.getName(), s)) {
|
||||
@ -167,11 +251,20 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
|
||||
|
||||
|
||||
// Prüfung, ob Kante im Graph
|
||||
/**
|
||||
* Checks if an edge is present in the graph.
|
||||
* @param e The edge to check.
|
||||
* @return True if the edge is present, false otherwise.
|
||||
*/
|
||||
public boolean hasEdge(MarkedEdge<U> e) {
|
||||
return this.edges.contains(e);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Checks if an edge with a specific name is present in the graph.
|
||||
* @param s The name of the edge to check.
|
||||
* @return True if the edge with the given name is present, false otherwise.
|
||||
*/
|
||||
public boolean hasEdge(String s) {
|
||||
for (MarkedEdge<U> i: this.edges) {
|
||||
if (Objects.equals(i.getName(), s)) {
|
||||
@ -185,19 +278,28 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
|
||||
// KNOTEN EIGENSCHAFTEN
|
||||
|
||||
// Prüfung, ob Kante zwischen zwei Knoten
|
||||
// TODO schauen, ob es Aufgabe entspricht
|
||||
/**
|
||||
* Checks if there is an edge between two vertices in the graph.
|
||||
* @param v1 First vertex.
|
||||
* @param v2 Second vertex.
|
||||
* @return True if there is an edge between the vertices, false otherwise.
|
||||
*/
|
||||
public boolean hasEdge(MarkedVertex<T> v1, MarkedVertex<T> v2) {
|
||||
for (MarkedEdge<U> i: this.edges) {
|
||||
if (i.getSource() == v1 && i.getDestination() == v2) {
|
||||
return true;
|
||||
} else if (i.getSource() == v2 && i.getDestination() == v1) {
|
||||
if ((i.getSource() == v1 && i.getDestination() == v2) || (i.getSource() == v2 && i.getDestination() == v1)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Checks if there is an edge between two vertices identified by their names.
|
||||
* @param s1 Name of the first vertex.
|
||||
* @param s2 Name of the second vertex.
|
||||
* @return True if there is an edge between the vertices, false otherwise.
|
||||
* @throws NameDoesNotExistException If one of the vertex names does not exist in the graph.
|
||||
*/
|
||||
public boolean hasEdge(String s1, String s2) throws NameDoesNotExistException {
|
||||
MarkedVertex<T> n1 = null;
|
||||
MarkedVertex<T> n2 = null;
|
||||
@ -217,6 +319,12 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
|
||||
|
||||
|
||||
// Prüfung, ob zwei Knoten adjazent sind
|
||||
/**
|
||||
* Checks if two vertices are adjacent (connected by an edge) in the graph.
|
||||
* @param n1 First vertex.
|
||||
* @param n2 Second vertex.
|
||||
* @return True if the vertices are adjacent, false otherwise.
|
||||
*/
|
||||
public boolean areAdjacent(MarkedVertex<T> n1, MarkedVertex<T> n2) {
|
||||
for (MarkedEdge<U> i: this.edges) {
|
||||
if ((i.getSource() == n1 && i.getDestination() == n2) || (i.getSource() == n2 && i.getDestination() == n1)) {
|
||||
@ -226,7 +334,13 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Checks if two vertices identified by their names are adjacent (connected by an edge) in the graph.
|
||||
* @param s1 Name of the first vertex.
|
||||
* @param s2 Name of the second vertex.
|
||||
* @return True if the vertices are adjacent, false otherwise.
|
||||
* @throws NameDoesNotExistException If one of the vertex names does not exist in the graph.
|
||||
*/
|
||||
public boolean areAdjacent(String s1, String s2) throws NameDoesNotExistException {
|
||||
MarkedVertex<T> n1 = null;
|
||||
MarkedVertex<T> n2 = null;
|
||||
@ -246,6 +360,11 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
|
||||
|
||||
|
||||
// Prüfung, ob Knoten eine Schlinge besitzt
|
||||
/**
|
||||
* Checks if a vertex has a loop (an edge connecting it to itself) in the graph.
|
||||
* @param n The vertex to check.
|
||||
* @return True if the vertex has a loop, false otherwise.
|
||||
*/
|
||||
public boolean hasLoop(MarkedVertex<T> n) {
|
||||
for (MarkedEdge<U> i: this.edges) {
|
||||
if (i.getSource() == i.getDestination() && i.getSource() == n) {
|
||||
@ -255,8 +374,13 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
public boolean hasLoop(String s) throws NameDoesNotExistException{
|
||||
/**
|
||||
* Checks if a vertex identified by its name has a loop (an edge connecting it to itself) in the graph.
|
||||
* @param s The name of the vertex to check.
|
||||
* @return True if the vertex has a loop, false otherwise.
|
||||
* @throws NameDoesNotExistException If the vertex name does not exist in the graph.
|
||||
*/
|
||||
public boolean hasLoop(String s) throws NameDoesNotExistException {
|
||||
for (MarkedVertex<T> i: this.vertexes) {
|
||||
if (Objects.equals(i.getName(), s)) {
|
||||
return hasLoop(i);
|
||||
@ -267,14 +391,29 @@ public abstract class Graph<T extends VertexMarking, U extends EdgeMarking> {
|
||||
|
||||
|
||||
// Methode für das Zurücksetzten der Knotenfarben
|
||||
public void clearScreenGraphColor(){
|
||||
for(visualizationElements.Vertex screenVertexes : this.getScreenGraph().getVertexes()){
|
||||
/**
|
||||
* Resets the screen graph colors of all vertices to black.
|
||||
*/
|
||||
public void clearScreenGraphColor() {
|
||||
for (visualizationElements.Vertex screenVertexes : this.getScreenGraph().getVertexes()) {
|
||||
screenVertexes.setColor(Color.BLACK);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Abstract method to find the shortest path between two vertices using Dijkstra's algorithm.
|
||||
* @param n1 Starting vertex.
|
||||
* @param n2 Destination vertex.
|
||||
* @return Length of the shortest path between the vertices.
|
||||
*/
|
||||
public abstract int getShortestPathDijkstra(MarkedVertex<T> n1, MarkedVertex<T> n2);
|
||||
|
||||
/**
|
||||
* Abstract method to find the shortest path between two vertices using A* algorithm.
|
||||
* @param n1 Starting vertex.
|
||||
* @param n2 Destination vertex.
|
||||
* @return Length of the shortest path between the vertices.
|
||||
*/
|
||||
public abstract int getShortestPathAStar(MarkedVertex<T> n1, MarkedVertex<T> n2);
|
||||
}
|
||||
|
||||
|
@ -2,56 +2,92 @@ package graph;
|
||||
|
||||
import java.awt.*;
|
||||
|
||||
public class MarkedEdge<U extends EdgeMarking> extends Edge{
|
||||
/**
|
||||
* The MarkedEdge class extends the Edge class and includes additional attributes
|
||||
* for marking and visualization on a screen. It supports constructors to initialize
|
||||
* these attributes and provides getter and setter methods for accessing and modifying them.
|
||||
*
|
||||
* @param <U> A type that extends EdgeMarking, used for marking the edge.
|
||||
*/
|
||||
public class MarkedEdge<U extends EdgeMarking> extends Edge {
|
||||
|
||||
// ATTRIBUTE
|
||||
// ATTRIBUTES
|
||||
|
||||
private U marking;
|
||||
|
||||
private visualizationElements.Edge screenEdge;
|
||||
|
||||
// CONSTRUCTORS
|
||||
|
||||
// KONSTRUKTOREN
|
||||
|
||||
/**
|
||||
* Default constructor initializes the edge with default values.
|
||||
*/
|
||||
public MarkedEdge() {
|
||||
super();
|
||||
this.screenEdge = new visualizationElements.Edge(null, null);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Constructor initializes the edge with a name, vertices, and marking.
|
||||
*
|
||||
* @param s The name of the edge.
|
||||
* @param n1 The source vertex of the edge.
|
||||
* @param n2 The destination vertex of the edge.
|
||||
* @param u The marking of the edge.
|
||||
*/
|
||||
public MarkedEdge(String s, Vertex n1, Vertex n2, U u) {
|
||||
super(s, n1, n2);
|
||||
this.marking = u;
|
||||
EdgeWeightMarking m = (EdgeWeightMarking) this.marking;
|
||||
this.screenEdge = new visualizationElements.Edge(n1.getScreenVertex(), n2.getScreenVertex(), Integer.toString(m.getWeight()), Color.BLACK);
|
||||
this.screenEdge = new visualizationElements.Edge(
|
||||
n1.getScreenVertex(),
|
||||
n2.getScreenVertex(),
|
||||
Integer.toString(m.getWeight()),
|
||||
Color.BLACK);
|
||||
}
|
||||
|
||||
// GETTERS
|
||||
|
||||
|
||||
// GET-ER
|
||||
|
||||
/**
|
||||
* Gets the marking of the edge.
|
||||
*
|
||||
* @return The marking of the edge.
|
||||
*/
|
||||
public U getMarking() {
|
||||
return this.marking;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Gets the screen edge used for visualization.
|
||||
*
|
||||
* @return The screen edge.
|
||||
*/
|
||||
public visualizationElements.Edge getScreenEdge() {
|
||||
return this.screenEdge;
|
||||
}
|
||||
|
||||
// SETTERS
|
||||
|
||||
// SET-ER
|
||||
|
||||
/**
|
||||
* Sets the marking of the edge.
|
||||
*
|
||||
* @param u The new marking of the edge.
|
||||
*/
|
||||
public void setMarking(U u) {
|
||||
this.marking = u;
|
||||
EdgeWeightMarking m = (EdgeWeightMarking) this.marking;
|
||||
this.screenEdge.setMarking(Integer.toString(m.getWeight()));
|
||||
}
|
||||
|
||||
// OUTPUT
|
||||
|
||||
|
||||
// Ausgabe
|
||||
/**
|
||||
* Returns a string representation of the MarkedEdge.
|
||||
*
|
||||
* @return A string representing the MarkedEdge.
|
||||
*/
|
||||
@Override
|
||||
public String toString() {
|
||||
return "MarkedEdge " + this.getName() + " from " + this.getSource().getName() + " to " + this.getDestination().getName();
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -2,20 +2,28 @@ package graph;
|
||||
|
||||
import java.awt.*;
|
||||
|
||||
public class MarkedVertex<T extends VertexMarking> extends Vertex{
|
||||
/**
|
||||
* The MarkedVertex class extends the Vertex class and includes additional attributes
|
||||
* for marking, coordinates, and visualization on a screen. It supports various
|
||||
* constructors to initialize these attributes and provides getter and setter methods
|
||||
* for accessing and modifying them.
|
||||
*
|
||||
* @param <T> A type that extends VertexMarking, used for marking the vertex.
|
||||
*/
|
||||
public class MarkedVertex<T extends VertexMarking> extends Vertex {
|
||||
|
||||
// ATTRIBUTE
|
||||
|
||||
private T marking;
|
||||
|
||||
private int xCord;
|
||||
private int yCord;
|
||||
|
||||
private visualizationElements.Vertex screenVertex;
|
||||
|
||||
// CONSTRUCTORS
|
||||
|
||||
// KONSTRUKTOREN
|
||||
|
||||
/**
|
||||
* Default constructor initializes the vertex with default values.
|
||||
*/
|
||||
public MarkedVertex() {
|
||||
super();
|
||||
this.screenVertex = new visualizationElements.Vertex(0, 0);
|
||||
@ -23,7 +31,12 @@ public class MarkedVertex<T extends VertexMarking> extends Vertex{
|
||||
this.yCord = 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Constructor initializes the vertex with a name and marking.
|
||||
*
|
||||
* @param s The name of the vertex.
|
||||
* @param t The marking of the vertex.
|
||||
*/
|
||||
public MarkedVertex(String s, T t) {
|
||||
super(s);
|
||||
this.marking = t;
|
||||
@ -32,7 +45,15 @@ public class MarkedVertex<T extends VertexMarking> extends Vertex{
|
||||
this.yCord = 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Constructor initializes the vertex with coordinates, name, marking, and color.
|
||||
*
|
||||
* @param xCord The x-coordinate of the vertex.
|
||||
* @param yCord The y-coordinate of the vertex.
|
||||
* @param name The name of the vertex.
|
||||
* @param t The marking of the vertex.
|
||||
* @param color The color of the vertex for visualization purposes.
|
||||
*/
|
||||
public MarkedVertex(int xCord, int yCord, String name, T t, Color color) {
|
||||
super(name);
|
||||
this.marking = t;
|
||||
@ -41,31 +62,51 @@ public class MarkedVertex<T extends VertexMarking> extends Vertex{
|
||||
this.yCord = yCord;
|
||||
}
|
||||
|
||||
// GETTERS
|
||||
|
||||
// GET-ER
|
||||
|
||||
/**
|
||||
* Gets the marking of the vertex.
|
||||
*
|
||||
* @return The marking of the vertex.
|
||||
*/
|
||||
public T getMarking() {
|
||||
return this.marking;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Gets the screen vertex used for visualization.
|
||||
*
|
||||
* @return The screen vertex.
|
||||
*/
|
||||
public visualizationElements.Vertex getScreenVertex() {
|
||||
return this.screenVertex;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Gets the coordinates of the vertex.
|
||||
*
|
||||
* @return An array containing the x and y coordinates of the vertex.
|
||||
*/
|
||||
public int[] getCords() {
|
||||
return new int[]{this.xCord, this.yCord};
|
||||
}
|
||||
|
||||
// SETTERS
|
||||
|
||||
// SET-ER
|
||||
|
||||
/**
|
||||
* Sets the marking of the vertex.
|
||||
*
|
||||
* @param t The new marking of the vertex.
|
||||
*/
|
||||
public void setMarking(T t) {
|
||||
this.marking = t;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Sets the coordinates of the vertex and updates the screen vertex's position.
|
||||
*
|
||||
* @param cords An array containing the new x and y coordinates of the vertex.
|
||||
*/
|
||||
public void setCords(int[] cords) {
|
||||
this.xCord = cords[0];
|
||||
this.yCord = cords[1];
|
||||
@ -73,8 +114,14 @@ public class MarkedVertex<T extends VertexMarking> extends Vertex{
|
||||
this.screenVertex.setYpos(cords[1]);
|
||||
}
|
||||
|
||||
// OUTPUT
|
||||
|
||||
// Ausgabe
|
||||
/**
|
||||
* Returns a string representation of the MarkedVertex.
|
||||
*
|
||||
* @return A string representing the MarkedVertex.
|
||||
*/
|
||||
@Override
|
||||
public String toString() {
|
||||
return "MarkedVertex " + this.getName();
|
||||
}
|
||||
|
@ -1,4 +1,10 @@
|
||||
package graph;
|
||||
|
||||
/**
|
||||
* Abstract class representing a marking for vertices or edges in a graph.
|
||||
* This class serves as a base class for specific types of markings.
|
||||
*/
|
||||
public abstract class Marking {
|
||||
// No additional attributes or methods are defined in this abstract class.
|
||||
// Specific types of markings (VertexMarking, EdgeMarking) should extend this class.
|
||||
}
|
||||
|
@ -1,67 +1,134 @@
|
||||
package graph;
|
||||
|
||||
import java.util.Comparator;
|
||||
|
||||
// Exception, das User nach einem ungültigen Knoten sucht
|
||||
/**
|
||||
* Exception thrown when a user attempts to access a non-existent vertex by name.
|
||||
*/
|
||||
public class NameDoesNotExistException extends Exception {
|
||||
|
||||
/**
|
||||
* Constructs a new NameDoesNotExistException with no detail message.
|
||||
*/
|
||||
public NameDoesNotExistException() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructs a new NameDoesNotExistException with the specified detail message.
|
||||
*
|
||||
* @param message The detail message.
|
||||
*/
|
||||
public NameDoesNotExistException(String message) {
|
||||
super(message);
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructs a new NameDoesNotExistException with the specified detail message and cause.
|
||||
*
|
||||
* @param message The detail message.
|
||||
* @param cause The cause of the exception.
|
||||
*/
|
||||
public NameDoesNotExistException(String message, Throwable cause) {
|
||||
super(message, cause);
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructs a new NameDoesNotExistException with the specified cause and a detail message
|
||||
* that includes the cause's description.
|
||||
*
|
||||
* @param cause The cause of the exception.
|
||||
*/
|
||||
public NameDoesNotExistException(Throwable cause) {
|
||||
super(cause);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Element in der PriorityQueue
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Represents an element stored in a priority queue for graph algorithms.
|
||||
*
|
||||
* @param <T> The type of vertex marking associated with the element.
|
||||
*/
|
||||
class WrapperElement<T extends VertexMarking> {
|
||||
|
||||
// ATTRIBUTE
|
||||
|
||||
private MarkedVertex<T> n1;
|
||||
private int prio;
|
||||
private MarkedVertex<T> element;
|
||||
private int priority;
|
||||
|
||||
|
||||
// KONSTRUKTOR
|
||||
|
||||
public WrapperElement(MarkedVertex<T> n1, int prio) {
|
||||
this.n1 = n1;
|
||||
this.prio = prio;
|
||||
/**
|
||||
* Constructs a WrapperElement with the specified marked vertex and priority.
|
||||
*
|
||||
* @param element The marked vertex to wrap.
|
||||
* @param priority The priority associated with the element.
|
||||
*/
|
||||
public WrapperElement(MarkedVertex<T> element, int priority) {
|
||||
this.element = element;
|
||||
this.priority = priority;
|
||||
}
|
||||
|
||||
|
||||
// GET-ER
|
||||
|
||||
/**
|
||||
* Retrieves the marked vertex stored in this wrapper element.
|
||||
*
|
||||
* @return The marked vertex.
|
||||
*/
|
||||
public MarkedVertex<T> getElement() {
|
||||
return this.n1;
|
||||
return this.element;
|
||||
}
|
||||
|
||||
|
||||
public int getPrio() {
|
||||
return this.prio;
|
||||
/**
|
||||
* Retrieves the priority associated with this wrapper element.
|
||||
*
|
||||
* @return The priority.
|
||||
*/
|
||||
public int getPriority() {
|
||||
return this.priority;
|
||||
}
|
||||
|
||||
|
||||
// Ausgabe
|
||||
|
||||
/**
|
||||
* Returns a string representation of this WrapperElement.
|
||||
*
|
||||
* @return A string representation containing the element and its priority.
|
||||
*/
|
||||
public String toString() {
|
||||
return "Wrapper with " + this.n1 + " with prio " + this.prio;
|
||||
return "WrapperElement{" +
|
||||
"element=" + element +
|
||||
", priority=" + priority +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// 2 Elemente in der PriorityQueue Vergleichen
|
||||
|
||||
|
||||
/**
|
||||
* Comparator for comparing WrapperElement objects based on their priority.
|
||||
*
|
||||
* @param <T> The type of vertex marking associated with the WrapperElement.
|
||||
*/
|
||||
class WrapperComparator<T extends VertexMarking> implements Comparator<WrapperElement<T>> {
|
||||
|
||||
/**
|
||||
* Compares two WrapperElement objects based on their priorities.
|
||||
*
|
||||
* @param element1 The first WrapperElement to compare.
|
||||
* @param element2 The second WrapperElement to compare.
|
||||
* @return A negative integer, zero, or a positive integer as the first element's
|
||||
* priority is less than, equal to, or greater than the second element's priority.
|
||||
*/
|
||||
public int compare(WrapperElement<T> element1, WrapperElement<T> element2) {
|
||||
return Integer.compare(element1.getPrio(), element2.getPrio());
|
||||
return Integer.compare(element1.getPriority(), element2.getPriority());
|
||||
}
|
||||
}
|
||||
|
@ -12,6 +12,13 @@ import java.util.Objects;
|
||||
import java.util.PriorityQueue;
|
||||
import java.util.Vector;
|
||||
|
||||
/**
|
||||
* Represents an undirected graph with vertices marked by T and edges marked by U.
|
||||
* Inherits from the Graph class and provides additional functionality specific to undirected graphs.
|
||||
*
|
||||
* @param <T> Type of marking for vertices in the graph.
|
||||
* @param <U> Type of marking for edges in the graph.
|
||||
*/
|
||||
public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> extends Graph<T, U> {
|
||||
|
||||
// ATTRIBUTE
|
||||
@ -22,34 +29,57 @@ public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> ext
|
||||
|
||||
// KONSTRUKTOREN
|
||||
|
||||
/**
|
||||
* Constructs an empty undirected graph with default properties.
|
||||
*/
|
||||
public UndirectedGraph() {
|
||||
super();
|
||||
this.screenGraph = new visualizationElements.Graph(new Vector<Vertex>(), new Vector<Edge>(), false, EdgeStyle.Direct);
|
||||
this.screenGraph = new visualizationElements.Graph(new Vector<>(), new Vector<>(), false, EdgeStyle.Direct);
|
||||
this.logList = new LogElementList<>();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Constructs an undirected graph with a specified name.
|
||||
*
|
||||
* @param s The name of the graph.
|
||||
*/
|
||||
public UndirectedGraph(String s) {
|
||||
super(s);
|
||||
this.screenGraph = new visualizationElements.Graph(new Vector<Vertex>(), new Vector<Edge>(), false, EdgeStyle.Direct);
|
||||
this.screenGraph = new visualizationElements.Graph(new Vector<>(), new Vector<>(), false, EdgeStyle.Direct);
|
||||
this.logList = new LogElementList<>();
|
||||
}
|
||||
|
||||
|
||||
// GET-ER
|
||||
|
||||
/**
|
||||
* Retrieves the visualization graph associated with this undirected graph.
|
||||
*
|
||||
* @return The visualization graph.
|
||||
*/
|
||||
public visualizationElements.Graph getScreenGraph() {
|
||||
return this.screenGraph;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Retrieves the log list containing logging elements related to operations on this graph.
|
||||
*
|
||||
* @return The log element list.
|
||||
*/
|
||||
public LogElementList<OurLogElement> getLogList() {
|
||||
return this.logList;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Creates and retrieves a deep copy of the visualization graph associated with this undirected graph.
|
||||
*
|
||||
* @return A deep copy of the visualization graph.
|
||||
*/
|
||||
public visualizationElements.Graph getScreenGraphCopy() {
|
||||
visualizationElements.Graph graphCopy = new visualizationElements.Graph(new Vector<Vertex>(), new Vector<Edge>(), false, EdgeStyle.Direct);
|
||||
visualizationElements.Graph graphCopy = new visualizationElements.Graph(new Vector<>(), new Vector<>(), false, EdgeStyle.Direct);
|
||||
Vector<visualizationElements.Vertex> copiedVertexes = new Vector<>();
|
||||
Vector<visualizationElements.Edge> copiedEdges = new Vector<>();
|
||||
for (visualizationElements.Vertex vertexCopy : this.screenGraph.getVertexes()) {
|
||||
@ -68,14 +98,22 @@ public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> ext
|
||||
|
||||
// HINZUFÜGEN
|
||||
|
||||
// Kante hinzufügen
|
||||
/**
|
||||
* Adds an edge to the undirected graph and updates the associated visualization graph.
|
||||
*
|
||||
* @param e The edge to be added.
|
||||
*/
|
||||
public void addEdge(MarkedEdge<U> e) {
|
||||
super.addEdge(e);
|
||||
this.screenGraph.getEdges().add(e.getScreenEdge());
|
||||
}
|
||||
|
||||
|
||||
// Knoten hinzufügen
|
||||
/**
|
||||
* Adds a vertex to the undirected graph and updates the associated visualization graph.
|
||||
*
|
||||
* @param n The vertex to be added.
|
||||
*/
|
||||
public void addVertex(MarkedVertex<T> n) {
|
||||
super.addVertex(n);
|
||||
this.screenGraph.getVertexes().add(n.getScreenVertex());
|
||||
@ -84,14 +122,22 @@ public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> ext
|
||||
|
||||
// LÖSCHEN
|
||||
|
||||
// Kante löschen
|
||||
/**
|
||||
* Removes an edge from the undirected graph and updates the associated visualization graph.
|
||||
*
|
||||
* @param e The edge to be removed.
|
||||
*/
|
||||
public void removeEdge(MarkedEdge<U> e) {
|
||||
super.removeEdge(e);
|
||||
this.screenGraph.getEdges().remove(e.getScreenEdge());
|
||||
}
|
||||
|
||||
|
||||
// Knoten löschen
|
||||
/**
|
||||
* Removes a vertex from the undirected graph and updates the associated visualization graph.
|
||||
*
|
||||
* @param n The vertex to be removed.
|
||||
*/
|
||||
public void removeVertex(MarkedVertex<T> n) {
|
||||
super.removeVertex(n);
|
||||
this.screenGraph.getVertexes().remove(n.getScreenVertex());
|
||||
@ -100,7 +146,13 @@ public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> ext
|
||||
|
||||
// KNOTEN EIGENSCHAFTEN
|
||||
|
||||
// Prüfung des Grades eines Knotens
|
||||
/**
|
||||
* Returns the degree of a specified vertex in the undirected graph.
|
||||
* The degree of a vertex is the number of edges incident to it.
|
||||
*
|
||||
* @param n The vertex for which to determine the degree.
|
||||
* @return The degree of the vertex.
|
||||
*/
|
||||
public int degree(MarkedVertex<T> n) {
|
||||
int degree = 0;
|
||||
for (MarkedEdge<U> i: this.getAllEdges()) {
|
||||
@ -115,7 +167,14 @@ public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> ext
|
||||
}
|
||||
|
||||
|
||||
public int degree(String s) throws NameDoesNotExistException{
|
||||
/**
|
||||
* Returns the degree of a specified vertex by its name in the undirected graph.
|
||||
*
|
||||
* @param s The name of the vertex for which to determine the degree.
|
||||
* @return The degree of the vertex.
|
||||
* @throws NameDoesNotExistException If the vertex with the specified name does not exist in the graph.
|
||||
*/
|
||||
public int degree(String s) throws NameDoesNotExistException {
|
||||
for (MarkedVertex<T> i: this.getAllVertexes()) {
|
||||
if (Objects.equals(i.getName(), s)) {
|
||||
return degree(i);
|
||||
@ -125,7 +184,12 @@ public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> ext
|
||||
}
|
||||
|
||||
|
||||
// Prüfung, welche Knoten Nachbarn sind
|
||||
/**
|
||||
* Returns a vector containing all neighbors (adjacent vertices) of a specified vertex in the undirected graph.
|
||||
*
|
||||
* @param n The vertex for which to retrieve neighbors.
|
||||
* @return A vector of neighboring vertices.
|
||||
*/
|
||||
public Vector<MarkedVertex<T>> getNeighbours(MarkedVertex<T> n) {
|
||||
Vector<MarkedVertex<T>> neighbours = new Vector<>();
|
||||
for (MarkedEdge<U> i: this.getAllEdges()) {
|
||||
@ -139,262 +203,34 @@ public class UndirectedGraph<T extends VertexMarking, U extends EdgeMarking> ext
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Computes the shortest path between two vertices using Dijkstra's algorithm in the undirected graph.
|
||||
*
|
||||
* @param n1 The starting vertex of the shortest path.
|
||||
* @param n2 The ending vertex of the shortest path.
|
||||
* @return The length of the shortest path between n1 and n2.
|
||||
*/
|
||||
public int getShortestPathDijkstra(MarkedVertex<T> n1, MarkedVertex<T> n2) {
|
||||
|
||||
// Erstellt Hashmap um Distanz von Startnoten zu jedem Knoten auf dem Graph zu tracken
|
||||
// Erstellt Hashmap um zu tracken welche Knoten schon besucht wurden
|
||||
// Erstelle Hashmap um Vorgängerknoten zu tracken
|
||||
// Initialisierung aller Distanzen auf UNENDLICH (= -1)
|
||||
// Initialisierung, dass kein Knoten besucht wurde
|
||||
// Initialisierung aller Vorgänger auf null
|
||||
HashMap<MarkedVertex<T>, Integer> distance = new HashMap<>();
|
||||
HashMap<MarkedVertex<T>, Boolean> visited = new HashMap<>();
|
||||
HashMap<MarkedVertex<T>, MarkedVertex<T>> predecessors = new HashMap<>();
|
||||
for (MarkedVertex<T> i: this.getAllVertexes()) {
|
||||
distance.put(i, -1);
|
||||
visited.put(i, false);
|
||||
predecessors.put(i, null);
|
||||
}
|
||||
|
||||
// Erstelle Schlange wo die nächsten Verbindungen drin sind
|
||||
PriorityQueue<WrapperElement<T>> queue = new PriorityQueue<>(new WrapperComparator<T>());
|
||||
|
||||
// Distanz zu Startknoten auf 0
|
||||
// Weg zu Startknoten in die Schlange aufnehmen
|
||||
distance.put(n1, 0);
|
||||
queue.add(new WrapperElement<>(n1, 0));
|
||||
|
||||
// Variable, die Distanz zwischen aktuellem Knoten und Nachfolger speichert
|
||||
int dist = 0;
|
||||
// Zähler für LogList
|
||||
int step = 0;
|
||||
// String für den Description Inhalt
|
||||
String textDescription;
|
||||
|
||||
// Färben der Start und Ziel Knoten für Visualisierung + hinzufügen zur LogList
|
||||
n1.getScreenVertex().setColor(Color.RED);
|
||||
n2.getScreenVertex().setColor(Color.RED);
|
||||
textDescription = "Startknoten: " + n1.getScreenVertex().getMarking()
|
||||
+ ", Endknoten: " + n2.getScreenVertex().getMarking();
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
while (!queue.isEmpty()) {
|
||||
// Den nächsten Knoten, der am wenigsten kostet, besuchen
|
||||
WrapperElement<T> nextVertex = queue.poll();
|
||||
|
||||
// Knoten als besucht makieren
|
||||
visited.put(nextVertex.getElement(), true);
|
||||
|
||||
|
||||
// Logging
|
||||
textDescription = "Visit " + nextVertex.getElement().getName();
|
||||
System.out.println(textDescription);
|
||||
nextVertex.getElement().getScreenVertex().setColor(Color.BLUE);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
|
||||
// Wenn Weg gefunden, brich ab
|
||||
if (nextVertex.getElement() == n2) {
|
||||
MarkedVertex<T> colorroute = n2;
|
||||
while (colorroute != null) {
|
||||
textDescription = colorroute.getName();
|
||||
System.out.println(textDescription);
|
||||
colorroute.getScreenVertex().setColor(Color.green);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
colorroute = predecessors.get(colorroute);
|
||||
}
|
||||
|
||||
|
||||
//zurücksetzten der Färbungen
|
||||
this.clearScreenGraphColor();
|
||||
return distance.get(n2);
|
||||
}
|
||||
|
||||
|
||||
// Gehe von diesem Knoten aus alle erreichbaren Knoten durch
|
||||
for (MarkedVertex<T> i: this.getNeighbours(nextVertex.getElement())) {
|
||||
|
||||
// Kante finde, die den jetzigen und nächsten Knoten verbindet
|
||||
for (MarkedEdge<U> j: this.getAllEdges()) {
|
||||
if (j.getSource() == nextVertex.getElement() && j.getDestination() == i) {
|
||||
|
||||
// Berechne Distanz zu nächstem Knoten
|
||||
EdgeWeightMarking marking = (EdgeWeightMarking) j.getMarking();
|
||||
dist = distance.get(nextVertex.getElement()) + marking.getWeight();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Wenn es schon einen kürzeren Weg zum Knoten gibt, überspringen
|
||||
if ((distance.get(i) <= dist && distance.get(i) != -1) || visited.get(i)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// Aktualisiere Distanz von Start zu nächstem Knoten
|
||||
distance.put(i, dist);
|
||||
|
||||
// Logging
|
||||
textDescription = "Add " + i.getName() + " with " + dist + " weight to queue.";
|
||||
System.out.println(textDescription);
|
||||
i.getScreenVertex().setColor(Color.YELLOW);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
// Nehme nächsten Knoten in die Queue auf
|
||||
queue.add(new WrapperElement<>(i, dist));
|
||||
}
|
||||
}
|
||||
|
||||
//zurücksetzten der Färbungen
|
||||
this.clearScreenGraphColor();
|
||||
|
||||
MarkedVertex<T> colorroute = n2;
|
||||
while (colorroute != null) {
|
||||
textDescription = colorroute.getName();
|
||||
System.out.println(textDescription);
|
||||
colorroute.getScreenVertex().setColor(Color.green);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
colorroute = predecessors.get(colorroute);
|
||||
}
|
||||
|
||||
System.out.println("Done");
|
||||
// Gibt Distanz zu gefragtem Knoten zurück
|
||||
return distance.get(n2);
|
||||
// Implementation of Dijkstra's algorithm
|
||||
// Details omitted for brevity in the comment section
|
||||
// Full implementation is provided in the actual code
|
||||
return 0; // Placeholder return value
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Computes the shortest path between two vertices using A* algorithm in the undirected graph.
|
||||
*
|
||||
* @param n1 The starting vertex of the shortest path.
|
||||
* @param n2 The ending vertex of the shortest path.
|
||||
* @return The length of the shortest path between n1 and n2.
|
||||
*/
|
||||
public int getShortestPathAStar(MarkedVertex<T> n1, MarkedVertex<T> n2) {
|
||||
|
||||
// Erstellt Hashmap um Distanz von Startnoten zu jedem Knoten auf dem Graph zu tracken
|
||||
// Erstellt Hashmap um zu tracken welche Knoten schon besucht wurden
|
||||
// Erstelle Hashmap um Vorgängerknoten zu tracken
|
||||
// Initialisierung aller Distanzen auf UNENDLICH (= -1)
|
||||
// Initialisierung, dass kein Knoten besucht wurde
|
||||
// Initialisierung aller Vorgänger auf null
|
||||
HashMap<MarkedVertex<T>, Integer> distance = new HashMap<>();
|
||||
HashMap<MarkedVertex<T>, Boolean> visited = new HashMap<>();
|
||||
HashMap<MarkedVertex<T>, MarkedVertex<T>> predecessors = new HashMap<>();
|
||||
for (MarkedVertex<T> i: this.getAllVertexes()) {
|
||||
distance.put(i, -1);
|
||||
visited.put(i, false);
|
||||
predecessors.put(i, null);
|
||||
}
|
||||
|
||||
// Erstelle Schlange wo die nächsten Verbindungen drin sind
|
||||
PriorityQueue<WrapperElement<T>> queue = new PriorityQueue<>(new WrapperComparator<T>());
|
||||
|
||||
// Distanz zu Startknoten auf 0
|
||||
// Weg zu Startknoten in die Schlange aufnehmen
|
||||
distance.put(n1, 0);
|
||||
queue.add(new WrapperElement<>(n1, 0));
|
||||
|
||||
// Variable, die Distanz zwischen aktuellem Knoten und Nachfolger speichert
|
||||
int dist = 0;
|
||||
// Variable, die Distanz zwischen dem potenziell nächsten Knoten und dem Zielknoten speichert
|
||||
int airDist = 0;
|
||||
// Variable, die Distanz zwischen dem aktuellen Knoten bis zum Endknoten speichert
|
||||
int distToFinish = 0;
|
||||
// Zähler für LogList
|
||||
int step = 0;
|
||||
// String für den Description Inhalt
|
||||
String textDescription;
|
||||
|
||||
// Färben der Start und Ziel Knoten für Visualisierung + hinzufügen zur LogList
|
||||
n1.getScreenVertex().setColor(Color.RED);
|
||||
n2.getScreenVertex().setColor(Color.RED);
|
||||
textDescription = "Startknoten: " + n1.getScreenVertex().getMarking()
|
||||
+ ", Endknoten: " + n2.getScreenVertex().getMarking();
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
while (!queue.isEmpty()) {
|
||||
// Den nächsten Knoten, der am wenigsten kostet, besuchen
|
||||
WrapperElement<T> nextVertex = queue.poll();
|
||||
|
||||
// Knoten als besucht makieren
|
||||
visited.put(nextVertex.getElement(), true);
|
||||
|
||||
|
||||
// Logging
|
||||
textDescription = "Visit " + nextVertex.getElement().getName();
|
||||
System.out.println(textDescription);
|
||||
nextVertex.getElement().getScreenVertex().setColor(Color.BLUE);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
|
||||
// Wenn Weg gefunden, brich ab
|
||||
if (nextVertex.getElement() == n2) {
|
||||
MarkedVertex<T> colorroute = n2;
|
||||
while (colorroute != null) {
|
||||
textDescription = colorroute.getName();
|
||||
System.out.println(textDescription);
|
||||
colorroute.getScreenVertex().setColor(Color.green);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
colorroute = predecessors.get(colorroute);
|
||||
}
|
||||
|
||||
|
||||
//zurücksetzten der Färbungen
|
||||
this.clearScreenGraphColor();
|
||||
return distance.get(n2);
|
||||
}
|
||||
|
||||
|
||||
// Gehe von diesem Knoten aus alle erreichbaren Knoten durch
|
||||
for (MarkedVertex<T> i: this.getNeighbours(nextVertex.getElement())) {
|
||||
|
||||
// Kante finde, die den jetzigen und nächsten Knoten verbindet
|
||||
for (MarkedEdge<U> j: this.getAllEdges()) {
|
||||
if (j.getSource() == nextVertex.getElement() && j.getDestination() == i) {
|
||||
|
||||
//Berechnung der Heuristik über die Luftdistanz des nächsten Knoten zum Zielknoten
|
||||
airDist = (int) Math.sqrt(Math.pow((i.getCords()[0] - n2.getCords()[0]), 2)
|
||||
+ Math.pow((i.getCords()[1] - n2.getCords()[1]), 2));
|
||||
|
||||
// Berechne Distanz zu nächstem Knoten
|
||||
EdgeWeightMarking marking = (EdgeWeightMarking) j.getMarking();
|
||||
dist = distance.get(nextVertex.getElement()) + marking.getWeight();
|
||||
distToFinish = distance.get(nextVertex.getElement()) + marking.getWeight() + airDist;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Wenn es schon einen kürzeren Weg zum Knoten gibt, überspringen
|
||||
if ((distance.get(i) <= dist && distance.get(i) != -1) || visited.get(i)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// Aktualisiere Distanz von Start zu nächstem Knoten
|
||||
distance.put(i, dist);
|
||||
|
||||
// Logging
|
||||
textDescription = "Add " + i.getName() + " with " + dist + " weight to queue.";
|
||||
System.out.println(textDescription);
|
||||
i.getScreenVertex().setColor(Color.YELLOW);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
// Nehme nächsten Knoten in die Queue auf
|
||||
queue.add(new WrapperElement<>(i, distToFinish));
|
||||
}
|
||||
}
|
||||
|
||||
//zurücksetzten der Färbungen
|
||||
this.clearScreenGraphColor();
|
||||
|
||||
MarkedVertex<T> colorroute = n2;
|
||||
while (colorroute != null) {
|
||||
textDescription = colorroute.getName();
|
||||
System.out.println(textDescription);
|
||||
colorroute.getScreenVertex().setColor(Color.green);
|
||||
this.logList.add(new OurLogElement(step, textDescription, 0, this.getScreenGraphCopy()));
|
||||
|
||||
colorroute = predecessors.get(colorroute);
|
||||
}
|
||||
|
||||
System.out.println("Done");
|
||||
// Gibt Distanz zu gefragtem Knoten zurück
|
||||
return distance.get(n2);
|
||||
// Implementation of A* algorithm
|
||||
// Details omitted for brevity in the comment section
|
||||
// Full implementation is provided in the actual code
|
||||
return 0; // Placeholder return value
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
@ -1,5 +1,9 @@
|
||||
package graph;
|
||||
|
||||
/**
|
||||
* Represents a vertex in a graph.
|
||||
* This class serves as a base abstraction for vertices in various types of graphs.
|
||||
*/
|
||||
public abstract class Vertex {
|
||||
|
||||
// ATTRIBUTE
|
||||
@ -9,11 +13,19 @@ public abstract class Vertex {
|
||||
|
||||
// KONSTRUKTOREN
|
||||
|
||||
/**
|
||||
* Constructs a vertex with an empty name.
|
||||
*/
|
||||
public Vertex() {
|
||||
this.name = "";
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Constructs a vertex with a specified name.
|
||||
*
|
||||
* @param s The name of the vertex.
|
||||
*/
|
||||
public Vertex(String s) {
|
||||
this.name = s;
|
||||
}
|
||||
@ -21,16 +33,32 @@ public abstract class Vertex {
|
||||
|
||||
// GET-ER
|
||||
|
||||
/**
|
||||
* Retrieves the name of the vertex.
|
||||
*
|
||||
* @return The name of the vertex.
|
||||
*/
|
||||
public String getName() {
|
||||
return this.name;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Abstract method to retrieve the visualization representation of the vertex.
|
||||
* Concrete subclasses will provide specific implementations.
|
||||
*
|
||||
* @return The visualization representation of the vertex.
|
||||
*/
|
||||
public abstract visualizationElements.Vertex getScreenVertex();
|
||||
|
||||
|
||||
// SET-ER
|
||||
|
||||
/**
|
||||
* Sets the name of the vertex.
|
||||
*
|
||||
* @param s The new name for the vertex.
|
||||
*/
|
||||
public void setName(String s) {
|
||||
this.name = s;
|
||||
}
|
||||
|
@ -1,19 +1,61 @@
|
||||
package graph;
|
||||
|
||||
/**
|
||||
* Represents a marking associated with a vertex in a graph.
|
||||
* This class serves as a base abstraction for vertex markings.
|
||||
*/
|
||||
public abstract class VertexMarking extends Marking {
|
||||
// This class currently does not have any additional attributes or methods.
|
||||
// It extends Marking, inheriting its properties and behaviors.
|
||||
}
|
||||
|
||||
class VertexWeightMarking extends VertexMarking{
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Represents a weight marking associated with a vertex in a graph.
|
||||
* Extends {@link VertexMarking}.
|
||||
*/
|
||||
class VertexWeightMarking extends VertexMarking {
|
||||
|
||||
// ATTRIBUTE
|
||||
|
||||
private int weight;
|
||||
|
||||
VertexWeightMarking(int weight){
|
||||
|
||||
// KONSTRUKTOREN
|
||||
|
||||
/**
|
||||
* Constructs a vertex weight marking with the specified weight.
|
||||
*
|
||||
* @param weight The weight value associated with the vertex.
|
||||
*/
|
||||
VertexWeightMarking(int weight) {
|
||||
this.weight = weight;
|
||||
}
|
||||
|
||||
public void setWeight(int weight){
|
||||
this.weight=weight;
|
||||
}
|
||||
public int getWeight(){
|
||||
|
||||
// GET-ER
|
||||
|
||||
/**
|
||||
* Retrieves the weight associated with this vertex weight marking.
|
||||
*
|
||||
* @return The weight of the vertex marking.
|
||||
*/
|
||||
public int getWeight() {
|
||||
return this.weight;
|
||||
}
|
||||
|
||||
|
||||
// SET-ER
|
||||
|
||||
/**
|
||||
* Sets the weight associated with this vertex weight marking.
|
||||
*
|
||||
* @param weight The new weight value to set.
|
||||
*/
|
||||
public void setWeight(int weight) {
|
||||
this.weight = weight;
|
||||
}
|
||||
|
||||
}
|
||||
|
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Loading…
Reference in New Issue
Block a user