예제 #1
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  /**
   * Returns a shallow copy of this graph instance. Neither edges nor vertices are cloned.
   *
   * @return a shallow copy of this set.
   * @throws RuntimeException
   * @see java.lang.Object#clone()
   */
  public Object clone() {
    try {
      TypeUtil<AbstractBaseGraph<V, E>> typeDecl = null;

      AbstractBaseGraph<V, E> newGraph = TypeUtil.uncheckedCast(super.clone(), typeDecl);

      newGraph.edgeMap = new LinkedHashMap<E, IntrusiveEdge>();

      newGraph.edgeFactory = this.edgeFactory;
      newGraph.unmodifiableEdgeSet = null;
      newGraph.unmodifiableVertexSet = null;

      // NOTE:  it's important for this to happen in an object
      // method so that the new inner class instance gets associated with
      // the right outer class instance
      newGraph.specifics = newGraph.createSpecifics();

      Graphs.addGraph(newGraph, this);

      return newGraph;
    } catch (CloneNotSupportedException e) {
      e.printStackTrace();
      throw new RuntimeException();
    }
  }
예제 #2
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 /** @see Graph#getEdgeTarget(Object) */
 public V getEdgeTarget(E e) {
   return TypeUtil.uncheckedCast(getIntrusiveEdge(e).target, vertexTypeDecl);
 }
예제 #3
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 /** @see Graph#getEdgeSource(Object) */
 public V getEdgeSource(E e) {
   return TypeUtil.uncheckedCast(getIntrusiveEdge(e).source, vertexTypeDecl);
 }