adaption of constraint

src/de/tudarmstadt/maki/simonstrator/api/common/graph/BasicGraph.java

@@ -492,6 +492,7 @@ public class BasicGraph implements Graph {
 					newNeighbors.addAll(getNeighbors(neighbor, directedNeighborhood));
 				}
 			neighbors = new HashSet<INodeID>(newNeighbors);
+			newNeighbors.clear();
 		}
 		visited.addAll(neighbors);
 		return visited;

src/de/tudarmstadt/maki/simonstrator/api/component/topology/Constraint.java

@@ -42,5 +42,5 @@ public interface Constraint {
 	 */
 	public boolean isConform(Graph oldValue, Graph newValue);
 
-	public boolean isConformOperation(Graph oldValue, Graph newValue, Set<OperationalEdge> curOption);
+	public boolean isConformOperation(Graph newValue, Set<OperationalEdge> curOption);
 }