NodeData.java revision 608:7e06bf1dcb09 
1/*
2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.corba.se.impl.orbutil.graph ;
27
28/** Data about a node in a graph.
29 */
30public class NodeData
31{
32    private boolean visited ;
33    private boolean root ;
34
35    public NodeData()
36    {
37        clear() ;
38    }
39
40    public void clear()
41    {
42        this.visited = false ;
43        this.root = true ;
44    }
45
46    /** Return whether this node has been visited in a traversal.
47     * Note that we only support a single traversal at a time.
48     */
49    boolean isVisited()
50    {
51        return visited ;
52    }
53
54    void visited()
55    {
56        visited = true ;
57    }
58
59    /** Return whether this node is a root.
60     */
61    boolean isRoot()
62    {
63        return root ;
64    }
65
66    void notRoot()
67    {
68        root = false ;
69    }
70}
71