feat: thread result model code

src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultModel.java

@@ -26,7 +26,7 @@ public class UnifyResultModel {
 		this.fc = fc;
 	}
 	
-	private List<UnifyResultListener> listeners = new ArrayList<>();
+	private final List<UnifyResultListener> listeners = new ArrayList<>();
 	
 	public void addUnifyResultListener(UnifyResultListener listenerToAdd) {
 		listeners.add(listenerToAdd);
@@ -35,25 +35,31 @@ public class UnifyResultModel {
 	public void removeUnifyResultListener(UnifyResultListener listenerToRemove) {
 		listeners.remove(listenerToRemove);
 	}
-	
-	public void notify(Set<Set<UnifyPair>> eqPrimePrimeSet, UnifyContext context) {
-		Set<Set<UnifyPair>> eqPrimePrimeSetRet = eqPrimePrimeSet.stream().map(x -> {
-			Optional<Set<UnifyPair>> res = new RuleSet(context.placeholderRegistry()).subst(x.stream().map(y -> {
-				if (y.getPairOp() == PairOperator.SMALLERDOTWC) y.setPairOp(PairOperator.EQUALSDOT);
-				return y; //alle Paare a <.? b erden durch a =. b ersetzt
-			}).collect(Collectors.toCollection(HashSet::new)));
-			if (res.isPresent()) {//wenn subst ein Erg liefert wurde was veraendert
-				return new TypeUnifyTask(context).applyTypeUnificationRules(res.get(), fc);
-			}
-			else return x; //wenn nichts veraendert wurde wird x zurueckgegeben
-		}).collect(Collectors.toCollection(HashSet::new));
-		List<ResultSet> newResult = eqPrimePrimeSetRet.stream().map(unifyPairs ->
-           new ResultSet(UnifyTypeFactory.convert(unifyPairs, de.dhbwstuttgart.typeinference.constraints.Pair.generateTPHMap(cons), context.placeholderRegistry())))
-           .collect(Collectors.toList());
-		UnifyResultEvent evt = new UnifyResultEvent(newResult);
-		
+
+	private synchronized void announceResult(UnifyResultEvent event) {
 		for (UnifyResultListener listener : listeners) {
-			listener.onNewTypeResultFound(evt);
+			listener.onNewTypeResultFound(event);
 		}
 	}
+
+	public void notify(Set<Set<UnifyPair>> eqPrimePrimeSet, UnifyContext context) {
+		context.executor().execute(() -> {
+			Set<Set<UnifyPair>> eqPrimePrimeSetRet = eqPrimePrimeSet.stream().map(x -> {
+				Optional<Set<UnifyPair>> res = new RuleSet(context.placeholderRegistry()).subst(x.stream().map(y -> {
+					if (y.getPairOp() == PairOperator.SMALLERDOTWC) y.setPairOp(PairOperator.EQUALSDOT);
+					return y; //alle Paare a <.? b erden durch a =. b ersetzt
+				}).collect(Collectors.toCollection(HashSet::new)));
+				if (res.isPresent()) {//wenn subst ein Erg liefert wurde was veraendert
+					return new TypeUnifyTask(context).applyTypeUnificationRules(res.get(), fc);
+				}
+				else return x; //wenn nichts veraendert wurde wird x zurueckgegeben
+			}).collect(Collectors.toCollection(HashSet::new));
+			List<ResultSet> newResult = eqPrimePrimeSetRet.stream().map(unifyPairs ->
+					new ResultSet(UnifyTypeFactory.convert(unifyPairs, de.dhbwstuttgart.typeinference.constraints.Pair.generateTPHMap(cons), context.placeholderRegistry())))
+				.collect(Collectors.toList());
+			UnifyResultEvent evt = new UnifyResultEvent(newResult);
+
+			this.announceResult(evt);
+		});
+	}
 }