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Java > Open Source Codes > org > objectweb > tribe > gms > protocol > JoinMessage


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.gms.protocol;
26
27 import java.util.ArrayList JavaDoc;
28
29 import org.objectweb.tribe.common.GroupIdentifier;
30 import org.objectweb.tribe.common.Member;
31 import org.objectweb.tribe.gms.GroupMembershipListener;
32
33 /**
34  * This class defines a JoinMessage
35  *
36  * @author <a HREF="mailto:Emmanuel.Cecchet@inria.fr">Emmanuel Cecchet </a>
37  * @version 1.0
38  */
39 public class JoinMessage extends GroupMembershipMessage
40 {
41   /**
42    * Creates a new <code>JoinMessage</code> object used to join a group by the
43    * Group Membership Service.
44    *
45    * @param gid group identifier
46    * @param sender message sender (member joining the group)
47    */
48   public JoinMessage(GroupIdentifier gid, Member sender)
49   {
50     super();
51     this.addChunk(gid);
52     this.addChunk(sender);
53   }
54
55   /**
56    * @see org.objectweb.tribe.gms.protocol.GroupMembershipMessage#deliver(org.objectweb.tribe.gms.GroupMembershipListener)
57    */
58   public void deliver(GroupMembershipListener listener)
59   {
60     ArrayList JavaDoc chunks = this.getChunks();
61     listener
62         .joinMember((Member) chunks.get(0), (GroupIdentifier) chunks.get(1));
63   }
64
65 }
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