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Java > Open Source Codes > com > sun > enterprise > util > collection > DListNode


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 //NOTE: Tabs are used instead of spaces for indentation.
25 // Make sure that your editor does not replace tabs with spaces.
26 // Set the tab length using your favourite editor to your
27 // visual preference.
28
29 /*
30  * Filename: DListNode.java
31  *
32  * Copyright 2000-2001 by iPlanet/Sun Microsystems, Inc.,
33  * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
34  * All rights reserved.
35  *
36  * This software is the confidential and proprietary information
37  * of iPlanet/Sun Microsystems, Inc. ("Confidential Information").
38  * You shall not disclose such Confidential Information and shall
39  * use it only in accordance with the terms of the license
40  * agreement you entered into with iPlanet/Sun Microsystems.
41  */
42  
43 /**
44  * <BR> <I>$Source: /cvs/glassfish/appserv-commons/src/java/com/sun/enterprise/util/collection/DListNode.java,v $</I>
45  * @author $Author: tcfujii $
46  * @version $Revision: 1.3 $ $Date: 2005/12/25 04:12:11 $
47  */
48  
49 package com.sun.enterprise.util.collection;
50
51 public class DListNode {
52     public Object JavaDoc object;
53     public DListNode prev;
54     public DListNode next;
55             
56     public DListNode() {
57     }
58             
59     public DListNode(Object JavaDoc obj) {
60         this.object = obj;
61     }
62     
63     public void delink() {
64         prev.next = next;
65         next.prev = prev;
66         prev = next = null;
67     }
68     
69     public void insertBefore(DListNode node) {
70         node.prev = prev;
71         node.next = this;
72         prev.next = node;
73         prev = node;
74     }
75                     
76     public void insertAfter(DListNode node) {
77         next.insertBefore(node);
78     }
79     
80     public String JavaDoc toString() {
81         return "DListNode: " + object;
82     }
83                     
84 }
85
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