Iterator nodesIterator = nodes.iterator(); while (nodesIterator.hasNext()) { TreeNodeImpl node = (TreeNodeImpl)(nodesIterator.next()); node.setSignet(this.getSignet()); }
  public Set getTreeNodes()  {    TreeNode[] treeNodesArray;    if (this.nodes == null)    {      this.nodes = new HashSet();    }    return this.nodes;    // return UnmodifiableSet.decorate(nodes);  }