MultiEdgesConnecting.java 文件源码

@Override
public UnmodifiableIterator<E> iterator() {
  final Iterator<? extends Entry<E, ?>> entries = outEdgeToNode.entrySet().iterator();
  return new AbstractIterator<E>() {
    @Override
    protected E computeNext() {
      while (entries.hasNext()) {
        Entry<E, ?> entry = entries.next();
        if (targetNode.equals(entry.getValue())) {
          return entry.getKey();
        }
      }
      return endOfData();
    }
  };
}