/*
 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.corba.se.impl.orbutil.graph ;

/** Data about a node in a graph.
 */
public class NodeData
{
    private boolean visited ;
    private boolean root ;

    public NodeData()
    {
        clear() ;
    }

    public void clear()
    {
        this.visited = false ;
        this.root = true ;
    }

    /** Return whether this node has been visited in a traversal.
     * Note that we only support a single traversal at a time.
     */
    boolean isVisited()
    {
        return visited ;
    }

    void visited()
    {
        visited = true ;
    }

    /** Return whether this node is a root.
     */
    boolean isRoot()
    {
        return root ;
    }

    void notRoot()
    {
        root = false ;
    }
}