コード例 #1
0
ファイル: ClassDispatcher.java プロジェクト: devgru/dem
    @SuppressWarnings("unchecked")
    public <B extends E> boolean add(BoundedHandler<B> handler) {
      Class<B> newOne = handler.getBoundClass();
      if (newOne == getBoundClass()) { // same class as root
        BoundedHandler<E> bh = (BoundedHandler<E>) handler;
        boolean targetWasNull = target == null;
        if (targetWasNull) {
          target = bh;
        }
        return targetWasNull;
      } else if (getBoundClass().isAssignableFrom(newOne)) { // child of root class
        for (ClassTree<? extends E> subtree : subclasses.values()) {
          Class<? extends E> subtreeClass = subtree.getBoundClass();

          if (subtreeClass.isAssignableFrom(newOne)) {
            // subtreeClass is a parent - simply add newOne to subtree
            ClassTree<? super B> subtree2 = (ClassTree<? super B>) subtree;
            return subtree2.add(handler);
          } else if (newOne.isAssignableFrom(subtreeClass)) {
            // newOne is a parent - remove subtree from this tree, add newOne, add subtreeClass to
            // newOne as a child
            ClassTree<? extends B> subtree2 = (ClassTree<? extends B>) subtree;
            ClassTree<B> value = new ClassTree<B>(handler);
            value.add(subtree2.target);
            subclasses.remove(subtreeClass);
            subclasses.put(newOne, value);
            return true;
          }
        }
        subclasses.put(newOne, new ClassTree<B>(handler));
        return true;
      } else {
        return false;
      }
    }
コード例 #2
0
ファイル: ClassDispatcher.java プロジェクト: devgru/dem
    @Override
    public boolean handleIfPossible(Event event) {
      if (!getBoundClass().isInstance(event)) {
        return false;
      }
      if (event.getClass() == getBoundClass()) {
        return target != null && target.handleIfPossible(event);
      }

      for (ClassTree<? extends E> classTree : subclasses.values()) {
        boolean result = classTree.handleIfPossible(event);
        if (result) return true;
      }

      return target != null && target.handleIfPossible(event);
    }
コード例 #3
0
ファイル: ClassDispatcher.java プロジェクト: devgru/dem
    @SuppressWarnings("unchecked")
    public <B extends E> boolean remove(BoundedHandler<B> handler) {
      Class<B> newOne = handler.getBoundClass();
      if (newOne == getBoundClass()) {
        target = null;
        return true;
      } else if (getBoundClass().isAssignableFrom(newOne)) {
        for (ClassTree<? extends E> subtree : subclasses.values()) {
          Class<? extends E> subtreeClass = subtree.getBoundClass();

          if (subtreeClass.isAssignableFrom(newOne)) {
            // subtreeClass is a parent - simply add subtreeClass to newOne subclasses
            ClassTree<? super B> subtree2 = (ClassTree<? super B>) subtree;
            return subtree2.remove(handler);
          }
        }
      }
      return false;
    }
コード例 #4
0
ファイル: ClassDispatcher.java プロジェクト: devgru/dem
 public ClassTree(BoundedHandler<E> target) {
   super(target.getBoundClass());
   this.target = target;
 }