ZeroNode

/*
Copyright 2005 by the authors of asapframework

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import data.tree.*;

/**
Class used internally by {@link TreeEnumerator}. A {@code ZeroNode} node indicates the position of the iterator before its start node.
@see TreeEnumerator#getCurrentObject
@author Arthur Clemens
@version 20 July 2005
*/

class data.tree.ZeroNode extends TreeNode {

    public static var NAME:String = "ZERO_NODE";
    
    public function ZeroNode () {
        // TreeNode must have a name
        super(ZeroNode.NAME);
    }

}