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Java > Open Source Codes > org > objectweb > tribe > common > GroupIdentifier


1 /**
2  * Tribe: Group communication library.
3  * Copyright (C) 2004 French National Institute For Research In Computer
4  * Science And Control (INRIA).
5  * Contact: tribe@objectweb.org
6  *
7  * This library is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU Lesser General Public License as published by the
9  * Free Software Foundation; either version 2.1 of the License, or any later
10  * version.
11  *
12  * This library is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20  *
21  * Initial developer(s): Emmanuel Cecchet.
22  * Contributor(s): ______________________.
23  */
24
25 package org.objectweb.tribe.common;
26
27 import java.io.Serializable JavaDoc;
28
29 /**
30  * This class defines a GroupIdentifier
31  *
32  * @author <a HREF="mailto:Emmanuel.Cecchet@inria.fr">Emmanuel Cecchet </a>
33  * @version 1.0
34  */
35 public class GroupIdentifier implements Serializable JavaDoc
36 {
37   private String JavaDoc groupName;
38
39   /**
40    * Creates a new <code>GroupIdentifier</code> object from a given group
41    * name.
42    */
43   public GroupIdentifier(String JavaDoc groupName)
44   {
45     this.groupName = groupName;
46   }
47
48   /**
49    * Get the group name as given in the constructor.
50    */
51   public String JavaDoc getGroupName()
52   {
53     return groupName;
54   }
55
56   /**
57    * @see java.lang.Object#toString()
58    */
59   public String JavaDoc toString()
60   {
61     return groupName;
62   }
63
64   /**
65    * @see java.lang.Object#equals(java.lang.Object)
66    */
67   public boolean equals(Object JavaDoc obj)
68   {
69     if (obj instanceof GroupIdentifier)
70       return groupName.equals(((GroupIdentifier) obj).getGroupName());
71     else
72       return false;
73   }
74
75   /**
76    * @see java.lang.Object#hashCode()
77    */
78   public int hashCode()
79   {
80     return groupName.hashCode();
81   }
82   
83 }
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