Generify pt 1

src/main/java/tenor/SingularToSingularTaskRelationship.java

@@ -17,14 +17,17 @@
 
 package tenor;
 
-public class SingularToSingularTaskRelationship extends TaskRelationship implements ISingularChildTaskRelationship, ISingularParentTaskRelationship {
+public class SingularToSingularTaskRelationship
+        extends TaskRelationship<SingularTaskNode, ISingularTask>
+        implements ISingularChildTaskRelationship<SingularTaskNode>, ISingularParentTaskRelationship<ISingularTask> {
+
     @Override
     public double allocatedPriority() {
-        return parent().priorityAllocatedToChild(this);
+        return parentTask().priorityAllocatedToChild(this);
     }
 
     @Override
     public double cost() {
-        return child().cost();
+        return childTask().cost();
     }
 }