12 Commits

6 changed files with 123 additions and 460 deletions

@ -9,6 +9,7 @@ import java.util.Optional;
import java.util.Queue;
import java.util.Set;
import java.util.Stack;
import java.util.concurrent.ForkJoinPool;
import java.util.function.Function;
import java.util.stream.Collectors;
@ -35,6 +36,7 @@ import java.io.Writer;
import java.io.OutputStreamWriter;
import org.apache.commons.io.output.NullOutputStream;
import org.apache.commons.io.output.NullWriter;
/**
* Implementation of the type inference rules.
@ -43,14 +45,14 @@ import org.apache.commons.io.output.NullOutputStream;
*/
public class RuleSet implements IRuleSet{
Writer logFile;
WriterActiveObject logFile;
public RuleSet() {
super();
logFile = new OutputStreamWriter(new NullOutputStream());
logFile = new WriterActiveObject(new NullWriter(), ForkJoinPool.commonPool());
}
RuleSet(Writer logFile) {
RuleSet(WriterActiveObject logFile) {
this.logFile = logFile;
}
@ -866,14 +868,8 @@ public class RuleSet implements IRuleSet{
UnifyType r = x.getRhsType();
if (r instanceof PlaceholderType) { ((PlaceholderType)r).disableWildcardtable(); }
} );
try {
logFile.write("FUNgreater: " + pair + "\n");
logFile.write("FUNred: " + result + "\n");
logFile.flush();
}
catch (IOException e) {
System.out.println("logFile-Error");
}
logFile.write("FUNgreater: " + pair + "\n");
logFile.write("FUNred: " + result + "\n");
return Optional.of(result);
}
@ -916,14 +912,9 @@ public class RuleSet implements IRuleSet{
UnifyType r = x.getRhsType();
if (r instanceof PlaceholderType) { ((PlaceholderType)r).disableWildcardtable(); }
} );
try {
logFile.write("FUNgreater: " + pair + "\n");
logFile.write("FUNgreater: " + result + "\n");
logFile.flush();
}
catch (IOException e) {
System.out.println("lofFile-Error");
}
logFile.write("FUNgreater: " + pair + "\n");
logFile.write("FUNgreater: " + result + "\n");
return Optional.of(result);
}
@ -966,14 +957,9 @@ public class RuleSet implements IRuleSet{
UnifyType r = x.getRhsType();
if (r instanceof PlaceholderType) { ((PlaceholderType)r).disableWildcardtable(); }
} );
try {
logFile.write("FUNgreater: " + pair + "\n");
logFile.write("FUNsmaller: " + result + "\n");
logFile.flush();
}
catch (IOException e) {
System.out.println("lofFile-Error");
}
logFile.write("FUNgreater: " + pair + "\n");
logFile.write("FUNsmaller: " + result + "\n");
return Optional.of(result);
}

@ -29,8 +29,8 @@ public class TypeUnify {
* @return
*/
public Set<Set<UnifyPair>> unify(Set<UnifyPair> undConstrains, List<Set<Constraint<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(Runtime.getRuntime().availableProcessors(), ForkJoinPool.defaultForkJoinWorkerThreadFactory, null, true);
TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, new WriterActiveObject(logFile, pool), log, 0, ret, usedTasks);
pool.invoke(unifyTask);
Set<Set<UnifyPair>> res = unifyTask.join();
try {
@ -55,8 +55,8 @@ public class TypeUnify {
* @return
*/
public UnifyResultModel unifyAsync(Set<UnifyPair> undConstrains, List<Set<Constraint<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(Runtime.getRuntime().availableProcessors(), ForkJoinPool.defaultForkJoinWorkerThreadFactory, null, true);
TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, new WriterActiveObject(logFile, pool), log, 0, ret, usedTasks);
pool.invoke(unifyTask);
return ret;
}
@ -73,9 +73,9 @@ public class TypeUnify {
* @return
*/
public UnifyResultModel unifyParallel(Set<UnifyPair> undConstrains, List<Set<Constraint<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);
new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks, statistics);
ForkJoinPool pool = new ForkJoinPool(Runtime.getRuntime().availableProcessors(), ForkJoinPool.defaultForkJoinWorkerThreadFactory, null, true);
TypeUnifyTask unifyTask = //new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks);
new TypeUnifyTask(undConstrains, oderConstraints, fc, true, new WriterActiveObject(logFile, pool), log, 0, ret, usedTasks, new WriterActiveObject(statistics, pool));
pool.invoke(unifyTask);
Set<Set<UnifyPair>> res = unifyTask.join();
try {
@ -109,8 +109,7 @@ public class TypeUnify {
* @return
*/
public Set<Set<UnifyPair>> unifyOderConstraints(Set<UnifyPair> undConstrains, List<Set<Constraint<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);
unifyTask.statistics = statistics;
TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, false, new WriterActiveObject(logFile, ForkJoinPool.commonPool()), log, 0, ret, usedTasks, new WriterActiveObject(statistics, ForkJoinPool.commonPool()));
Set<Set<UnifyPair>> res = unifyTask.compute();
try {
logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements +"\n");

@ -23,13 +23,13 @@ public class TypeUnify2Task extends TypeUnifyTask {
TypeUnify2Task(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq,
List<Set<Constraint<UnifyPair>>> oderConstraints,
Set<UnifyPair> nextSetElement,
IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks,
Set<UnifyPair> methodSignatureConstraintUebergabe, Writer statistics) {
IFiniteClosure fc, boolean parallel, WriterActiveObject logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks,
Set<UnifyPair> methodSignatureConstraintUebergabe, WriterActiveObject statistics) {
this(setToFlatten, eq, oderConstraints, nextSetElement, fc, parallel, logFile, log, rekTiefe, urm, usedTasks, methodSignatureConstraintUebergabe );
}
public TypeUnify2Task(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, Set<UnifyPair> nextSetElement, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks, Set<UnifyPair> methodSignatureConstraintUebergabe) {
public TypeUnify2Task(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, Set<UnifyPair> nextSetElement, IFiniteClosure fc, boolean parallel, WriterActiveObject logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks, Set<UnifyPair> methodSignatureConstraintUebergabe) {
super(eq, oderConstraints, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
this.setToFlatten = setToFlatten;
this.nextSetElement = nextSetElement;
@ -64,13 +64,6 @@ public class TypeUnify2Task extends TypeUnifyTask {
}
public void closeLogFile() {
try {
logFile.close();
}
catch (IOException ioE) {
System.err.println("no log-File" + thNo);
}
logFile.close();
}
}

@ -13,6 +13,7 @@ import java.util.List;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.RecursiveTask;
import java.util.function.BiFunction;
import java.util.function.BinaryOperator;
@ -79,7 +80,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
protected boolean one = false;
public static final String rootDirectory = System.getProperty("user.dir")+"/test/logFiles/";
Writer logFile;
protected WriterActiveObject logFile;
/**
* The implementation of setOps that will be used during the unification
@ -129,7 +130,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
volatile UnifyTaskModel usedTasks;
static Writer statistics;
static WriterActiveObject statistics;
public TypeUnifyTask() {
rules = new RuleSet();
@ -150,14 +151,13 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
*/
//statistics
public TypeUnifyTask(Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks, Writer statistics) {
public TypeUnifyTask(Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, WriterActiveObject logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks, WriterActiveObject statistics) {
this(eq,oderConstraints, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
this.statistics = statistics;
}
public TypeUnifyTask(Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks) {
synchronized (this) {
public TypeUnifyTask(Set<UnifyPair> eq, List<Set<Constraint<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, WriterActiveObject logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks) {
if(statistics==null){
statistics = new NullWriter();
statistics = new WriterActiveObject(new NullWriter(), ForkJoinPool.commonPool());
}
this.eq = eq;
//this.oderConstraints = oderConstraints.stream().map(x -> x.stream().map(y -> new HashSet<>(y)).collect(Collectors.toSet(HashSet::new))).collect(Collectors.toList(ArrayList::new));
@ -183,9 +183,11 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
thNo = totalnoOfThread;
writeLog("thNo2 " + thNo);
try {
this.logFile = log ? new FileWriter(new File(System.getProperty("user.dir") + "/logFiles/" + "Thread_"+thNo))
: new OutputStreamWriter(new NullOutputStream());
logFile.write("");
if(log){
this.logFile = new WriterActiveObject(new FileWriter(new File(System.getProperty("user.dir") + "/logFiles/" + "Thread_"+thNo)), ForkJoinPool.commonPool());
}else{
this.logFile = new WriterActiveObject(new NullWriter(), ForkJoinPool.commonPool());
}
}
catch (IOException e) {
System.err.println("log-File nicht vorhanden");
@ -209,7 +211,6 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
this.urm = urm;
this.usedTasks = usedTasks;
this.usedTasks.add(this);
}
}
/**
@ -266,12 +267,8 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
.filter(x -> x.size()>1)
.collect(Collectors.toCollection(ArrayList::new));
Set<Set<UnifyPair>> res = unify(neweq, remainingOderconstraints, fc, parallel, rekTiefeField, new HashSet<>());
try {
logFile.close();
}
catch (IOException ioE) {
System.err.println("no log-File");
}
logFile.close();
if (isUndefinedPairSetSet(res)) {
//fuer debug-Zwecke
ArrayList al = res.stream().map(x -> x.stream().collect(Collectors.toCollection(ArrayList::new)))
@ -685,15 +682,8 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
System.out.print("");
}
*/
Set<Set<UnifyPair>> result = new HashSet<>();
int variance = 0;
/* Varianzbestimmung Anfang
* Oderconstraint, wenn entweder kein Basepair oder unterschiedliche Basepairs => oderConstraint = true;
* Varianz = 1 => Argumentvariable
* Varianz = -1 => Rückgabevariable
* Varianz = 0 => unklar
* Varianz = 2 => Operatoren oderConstraints */
Set<Set<UnifyPair>> result = new HashSet<>();
ArrayList<UnifyPair> zeroNextElem = new ArrayList<>(nextSetasList.get(0));
UnifyPair fstBasePair = zeroNextElem.remove(0).getBasePair();
Boolean oderConstraint = false;
@ -711,9 +701,6 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
.filter(d -> d.isPresent())
.map(e -> e.get())
.findAny();
if (xi.isPresent()) {
variance = xi.get();
}
}
else {
oderConstraint = true;
@ -722,29 +709,6 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
else {
oderConstraint = true;
}
//Varianz-Bestimmung Oder-Constraints
if (oderConstraint) {
if (printtag) System.out.println("nextSetasList " + nextSetasList);
Optional<Integer> optVariance =
nextSetasList.iterator()
.next()
.stream()
.filter(x -> x.getGroundBasePair().getLhsType() instanceof PlaceholderType &&
! (x.getRhsType() instanceof PlaceholderType) &&
x.getPairOp() == PairOperator.EQUALSDOT)
.map(x ->
((PlaceholderType)x.getGroundBasePair().getLhsType()).getVariance())
.reduce((n,m) -> { if ((n == 0) && (m==0)) return 0;
else if (n !=0) return n; //es muss mindestens eine Variance != 0 sein
else return m;
});
//Fuer Operatorenaufrufe wird variance auf 2 gesetzt.
//da kein Receiver existiert also kein x.getGroundBasePair().getLhsType() instanceof PlaceholderType
//Bei Varianz = 2 werden alle Elemente des Kartesischen Produkts abgearbeitet
variance = optVariance.isPresent() ? optVariance.get() : 2;
}
/* Varianzbestimmung Ende */
//writeLog("nextSetasList: " + nextSetasList.toString());
Set<UnifyPair> nextSetElem = nextSetasList.get(0);
@ -811,80 +775,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
writeLog("nextSet: " + nextSet.toString());
writeLog("nextSetasList: " + nextSetasList.toString());
/* staistics Nextvar an Hand Varianzbestimmung auskommentieren Anfang
if (variance == 1) {
a = oup.max(nextSetasList.iterator());
nextSetasList.remove(a);
if (oderConstraint) {
nextSetasListOderConstraints.add(((Constraint<UnifyPair>)a).getExtendConstraint());
}
writeLog("nextSetasListOderConstraints 1: " + nextSetasListOderConstraints);
nextSetasListRest = new ArrayList<>(nextSetasList);
Iterator<Set<UnifyPair>> nextSetasListItRest = new ArrayList<Set<UnifyPair>>(nextSetasListRest).iterator();
while (nextSetasListItRest.hasNext()) {
Set<UnifyPair> a_next = nextSetasListItRest.next();
if (//a.equals(a_next) ||
(oup.compare(a, a_next) == 1)) {
nextSetasListRest.remove(a_next);
}
}
//Alle maximale Elemente in nextSetasListRest bestimmen
//nur für diese wird parallele Berechnung angestossen.
nextSetasListRest = oup.maxElements(nextSetasListRest);
}
else if (variance == -1) {
a = oup.min(nextSetasList.iterator());
writeLog("Min: a in " + variance + " "+ a);
if (oderConstraint) {
nextSetasListOderConstraints.add(((Constraint<UnifyPair>)a).getExtendConstraint());
}
writeLog("nextSetasListOderConstraints -1: " + nextSetasListOderConstraints);
nextSetasList.remove(a);
nextSetasListRest = new ArrayList<>(nextSetasList);
Iterator<Set<UnifyPair>> nextSetasListItRest = new ArrayList<Set<UnifyPair>>(nextSetasListRest).iterator();
while (nextSetasListItRest.hasNext()) {
Set<UnifyPair> a_next = nextSetasListItRest.next();
if (//a.equals(a_next) ||
(oup.compare(a, a_next) == -1)) {
nextSetasListRest.remove(a_next);
}
}
//Alle minimalen Elemente in nextSetasListRest bestimmen
//nur für diese wird parallele Berechnung angestossen.
nextSetasListRest = oup.minElements(nextSetasListRest);
}
else if (variance == 2) {
a = nextSetasList.remove(0);
//Fuer alle Elemente wird parallele Berechnung angestossen.
nextSetasListRest = new ArrayList<>(nextSetasList);
}
else if (variance == 0) {
//wenn a <. theta dann ist ein maximales Element sehr wahrscheinlich
//wenn theta <. a dann ist ein minimales Element sehr wahrscheinlich
if (!oderConstraint && optOrigPair != null && optOrigPair.isPresent()) {
if (optOrigPair.get().getBasePair().getLhsType() instanceof PlaceholderType) {
a = oup.max(nextSetasList.iterator());
}
else {
a = oup.min(nextSetasList.iterator());
}
nextSetasList.remove(a);
}
else {
if (oderConstraint) {
a = oup.max(nextSetasList.iterator());
nextSetasList.remove(a);
nextSetasListOderConstraints.add(((Constraint<UnifyPair>)a).getExtendConstraint());
}
else {
a = nextSetasList.remove(0);
}
}
}
Nextvar an Hand Varianzbestimmung auskommentieren Ende */
a = nextSetasList.remove(0); //statisticsList
//writeStatistics(a.toString());
@ -895,7 +786,6 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
i++;
Set<Set<UnifyPair>> elems = new HashSet<Set<UnifyPair>>(oneElems);
writeLog("a1: " + rekTiefe + " "+ "variance: "+ variance + " " + a.toString()+ "\n");
//Ergebnisvariable für den aktuelle Thread
Set<Set<UnifyPair>> res = new HashSet<>();
@ -920,286 +810,49 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
/* Wenn parallel gearbeitet wird, wird je nach Varianz ein neuer Thread
* gestartet, der parallel weiterarbeitet.
*/
if(parallel && (variance == 1)) {
if(parallel){
Set<TypeUnify2Task> forks = new HashSet<>();
Set<UnifyPair> newEqOrig = new HashSet<>(eq);
Set<Set<UnifyPair>> newElemsOrig = new HashSet<>(elems);
List<Set<Constraint<UnifyPair>>> newOderConstraintsOrig = new ArrayList<>(oderConstraints);
newElemsOrig.add(a);
/* FORK ANFANG */
TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm, usedTasks, methodSignatureConstraint);
//forks.add(forkOrig);
synchronized(usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
forkOrig.fork();
}
/* FORK ENDE */
synchronized (this) {
writeLog("a in " + variance + " "+ a);
writeLog("nextSetasListRest: " + nextSetasListRest.toString());
}
//Überprüfen, ob das Set bereits berechnet wurde
forkOrig.fork();
while (!nextSetasList.isEmpty()) {
Set<UnifyPair> nSaL = nextSetasList.remove(0);
synchronized (this) { //nextSetasList.remove(nSaL);
writeLog("1 RM" + nSaL.toString());
}
if (!oderConstraint) {
/* statistics sameEq wird nicht betrachtet ANGFANG
//ueberpruefung ob zu a =. ty \in nSaL in sameEqSet ein Widerspruch besteht
if (!sameEqSet.isEmpty() && !checkNoContradiction(nSaL, sameEqSet, result)) {
nSaL = null;
noShortendElements++;
continue;
}
statistics sameEq wird nicht betrachtet ENDE */
}
else {
nextSetasListOderConstraints.add(((Constraint<UnifyPair>)nSaL).getExtendConstraint());
Set<UnifyPair> nSaL = nextSetasList.removeFirst();
if (oderConstraint) {
nextSetasListOderConstraints.add(((Constraint<UnifyPair>) nSaL).getExtendConstraint());
}
Set<UnifyPair> newEq = new HashSet<>(eq);
Set<Set<UnifyPair>> newElems = new HashSet<>(elems);
List<Set<Constraint<UnifyPair>>> newOderConstraints = new ArrayList<>(oderConstraints);
newElems.add(nSaL);
TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm, usedTasks, new HashSet<>(methodSignatureConstraint));
forks.add(fork);
synchronized(usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
fork.fork();
}
//Überprüfen, ob das Set bereits berechnet wurde
fork.fork();
}
//res = unify2(newElemsOrig, newEqOrig, newOderConstraintsOrig, fc, parallel, rekTiefe);
/* FORK ANFANG */
synchronized (this) {
writeLog("wait "+ forkOrig.thNo);
res = forkOrig.join();
synchronized (usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
}
//noOfThread++;
forkOrig.writeLog("final Orig 1");
forkOrig.closeLogFile();
//Set<Set<UnifyPair>> fork_res = forkOrig.join();
writeLog("JoinOrig " + new Integer(forkOrig.thNo).toString());
//noOfThread--; an das Ende von compute verschoben
//add_res.add(fork_res);
};
/* FORK ENDE */
res = forkOrig.join();
forks.forEach(x -> writeLog("wait: " + x.thNo));
for(TypeUnify2Task fork : forks) {
synchronized (this) {
Set<Set<UnifyPair>> fork_res = fork.join();
synchronized (usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
}
//noOfThread++;
writeLog("Join " + new Integer(fork.thNo).toString());
//noOfThread--; an das Ende von compute verschoben
writeLog("fork_res: " + fork_res.toString());
writeLog(new Boolean((isUndefinedPairSetSet(fork_res))).toString());
add_res.add(fork_res);
if (!isUndefinedPairSetSet(fork_res)) {
aParDef.add(fork.getNextSetElement());
}
fork.writeLog("final 1");
fork.closeLogFile();
};
}
//noOfThread++;
} else {
if(parallel && (variance == -1)) {
Set<TypeUnify2Task> forks = new HashSet<>();
Set<UnifyPair> newEqOrig = new HashSet<>(eq);
Set<Set<UnifyPair>> newElemsOrig = new HashSet<>(elems);
List<Set<Constraint<UnifyPair>>> newOderConstraintsOrig = new ArrayList<>(oderConstraints);
newElemsOrig.add(a);
/* FORK ANFANG */
TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm, usedTasks, new HashSet<>(methodSignatureConstraint));
//forks.add(forkOrig);
synchronized(usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
forkOrig.fork();
}
/* FORK ENDE */
synchronized (this) {
writeLog("a in " + variance + " "+ a);
writeLog("nextSetasListRest: " + nextSetasListRest.toString());
}
while (!nextSetasList.isEmpty()) {
Set<UnifyPair> nSaL = nextSetasList.remove(0);
synchronized (this) { //nextSetasList.remove(nSaL);
writeLog("-1 RM" + nSaL.toString());
}
if (!oderConstraint) {
/* statistics sameEq wird nicht betrachtet ANGFANG
//ueberpruefung ob zu a =. ty \in nSaL in sameEqSet ein Widerspruch besteht
if (!sameEqSet.isEmpty() && !checkNoContradiction(nSaL, sameEqSet, result)) {
nSaL = null;
noShortendElements++;
continue;
}
statistics sameEq wird nicht betrachtet ENDE */
}
else {
nextSetasListOderConstraints.add(((Constraint<UnifyPair>)nSaL).getExtendConstraint());
}
Set<UnifyPair> newEq = new HashSet<>(eq);
Set<Set<UnifyPair>> newElems = new HashSet<>(elems);
List<Set<Constraint<UnifyPair>>> newOderConstraints = new ArrayList<>(oderConstraints);
newElems.add(nSaL);
TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm, usedTasks, new HashSet<>(methodSignatureConstraint));
forks.add(fork);
synchronized(usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
fork.fork();
for (TypeUnify2Task fork : forks) {
Set<Set<UnifyPair>> fork_res = new HashSet<>();
fork_res = fork.join();
add_res.add(fork_res);
if (!isUndefinedPairSetSet(fork_res)) {
aParDef.add(fork.getNextSetElement());
}
}
//res = unify2(newElemsOrig, newEqOrig, newOderConstraintsOrig, fc, parallel, rekTiefe);
/* FORK ANFANG */
synchronized (this) {
writeLog("wait "+ forkOrig.thNo);
res = forkOrig.join();
synchronized (usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
}
//noOfThread++;
forkOrig.writeLog("final Orig -1");
forkOrig.closeLogFile();
//Set<Set<UnifyPair>> fork_res = forkOrig.join();
writeLog("JoinOrig " + new Integer(forkOrig.thNo).toString());
//noOfThread--; an das Ende von compute verschoben
//add_res.add(fork_res);
};
/* FORK ENDE */
forks.forEach(x -> writeLog("wait: " + x.thNo));
for(TypeUnify2Task fork : forks) {
synchronized (this) {
Set<Set<UnifyPair>> fork_res = fork.join();
synchronized (usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
}
//noOfThread++;
writeLog("Join " + new Integer(fork.thNo).toString());
//noOfThread--; an das Ende von compute verschoben
writeLog("fork_res: " + fork_res.toString());
writeLog(new Boolean((isUndefinedPairSetSet(fork_res))).toString());
add_res.add(fork_res);
if (!isUndefinedPairSetSet(fork_res)) {
aParDef.add(fork.getNextSetElement());
}
fork.writeLog("final -1");
fork.closeLogFile();
};
}
//noOfThread++;
} else {
if(parallel && (variance == 2)) {
writeLog("var2einstieg");
Set<TypeUnify2Task> forks = new HashSet<>();
Set<UnifyPair> newEqOrig = new HashSet<>(eq);
Set<Set<UnifyPair>> newElemsOrig = new HashSet<>(elems);
List<Set<Constraint<UnifyPair>>> newOderConstraintsOrig = new ArrayList<>(oderConstraints);
newElemsOrig.add(a);
/* FORK ANFANG */
TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm, usedTasks, new HashSet<>(methodSignatureConstraint));
//forks.add(forkOrig);
synchronized(usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
forkOrig.fork();
}
/* FORK ENDE */
synchronized (this) {
writeLog("a in " + variance + " "+ a);
writeLog("nextSetasListRest: " + nextSetasListRest.toString());
}
while (!nextSetasList.isEmpty()) {
Set<UnifyPair> nSaL = nextSetasList.remove(0);
//nextSetasList.remove(nSaL); //PL einkommentiert 20-02-03
Set<UnifyPair> newEq = new HashSet<>(eq);
Set<Set<UnifyPair>> newElems = new HashSet<>(elems);
List<Set<Constraint<UnifyPair>>> newOderConstraints = new ArrayList<>(oderConstraints);
newElems.add(nSaL);
TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm, usedTasks, methodSignatureConstraint);
forks.add(fork);
synchronized(usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
fork.fork();
}
}
//res = unify2(newElemsOrig, newEqOrig, newOderConstraintsOrig, fc, parallel, rekTiefe);
/* FORK ANFANG */
synchronized (this) {
writeLog("wait "+ forkOrig.thNo);
res = forkOrig.join();
synchronized (usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
}
//noOfThread++;
forkOrig.writeLog("final Orig 2");
forkOrig.closeLogFile();
//Set<Set<UnifyPair>> fork_res = forkOrig.join();
writeLog("JoinOrig " + new Integer(forkOrig.thNo).toString());
//noOfThread--; an das Ende von compute verschoben
//add_res.add(fork_res); //vermutlich falsch
};
/* FORK ENDE */
forks.forEach(x -> writeLog("wait: " + x.thNo));
for(TypeUnify2Task fork : forks) {
synchronized (this) {
Set<Set<UnifyPair>> fork_res = fork.join();
synchronized (usedTasks) {
if (this.myIsCancelled()) {
return new HashSet<>();
}
}
//noOfThread++;
writeLog("Join " + new Integer(fork.thNo).toString());
//noOfThread--; an das Ende von compute verschoben
add_res.add(fork_res);
fork.writeLog("final 2");
fork.closeLogFile();
};
}
//noOfThread++;
} else {//parallel = false oder MaxNoOfThreads ist erreicht, sequentiell weiterarbeiten
elems.add(a); //PL 2019-01-16 muss das wirklich hin steht schon in Zeile 859 ja braucht man siehe Zeile 859
}else{
elems.add(a);
//Überprüfen ob das Set bereits berechnet wurde
res = unify2(elems, eq, oderConstraints, fc, parallel, rekTiefe, new HashSet<>(methodSignatureConstraint));
}}}
}
//Ab hier alle parallele Berechnungen wieder zusammengeführt.
//if (hilf == 1)
@ -2598,33 +2251,15 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
}
void writeLog(String str) {
synchronized ( this ) {
if (log && finalresult) {
try {
logFile.write("Thread no.:" + thNo + "\n");
logFile.write("parallel:" + parallel + "\n");
logFile.write(str+"\n\n");
logFile.flush();
}
catch (IOException e) {
System.err.println("kein LogFile");
}
}
}
logFile.write("Thread no.:" + thNo + "\n" + "parallel:" + parallel + "\n" + str+"\n\n");
}
}
void writeStatistics(String str) {
if (finalresult) {
synchronized ( this ) {
try {
statistics.write("Thread No. " + thNo + ": " + str + "\n");
statistics.flush();
}
catch (IOException e) {
System.err.println("kein StatisticsFile");
}
}}
statistics.write("Thread No. " + thNo + ": " + str + "\n");
}
}
}

@ -0,0 +1,53 @@
package de.dhbwstuttgart.typeinference.unify;
import java.io.IOException;
import java.io.Writer;
import java.util.concurrent.ForkJoinPool;
public class WriterActiveObject {
private Writer writer;
private ForkJoinPool pool;
public WriterActiveObject(Writer writer, ForkJoinPool pool){
this.writer = writer;
this.pool = pool;
}
public void close(){
pool.execute(()->{
try {
writer.close();
} catch (IOException e) {
System.out.println(e.getMessage());
}
});
}
public void write(String message){
pool.execute(()->{
try {
writer.write(message);
writer.flush();
} catch (IOException e) {
throw new RuntimeException(e);
}
});
}
public void writeNonThreaded(String message){
try {
writer.write(message);
writer.flush();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public void closeNonThreaded(){
try {
writer.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}

@ -1,13 +1,10 @@
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 java.util.concurrent.ConcurrentHashMap;
import de.dhbwstuttgart.typeinference.unify.distributeVariance;
import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
@ -23,7 +20,7 @@ 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>();
public static final Set<String> EXISTING_PLACEHOLDERS = ConcurrentHashMap.newKeySet();
/**
* Prefix of auto-generated placeholder names.
@ -96,7 +93,7 @@ public final class PlaceholderType extends UnifyType{
* 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() {
public 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)) {