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Java > Open Source Codes > org > objectweb > proactive > core > group > GroupMember


1 /*
2 * ################################################################
3 *
4 * ProActive: The Java(TM) library for Parallel, Distributed,
5 * Concurrent computing with Security and Mobility
6 *
7 * Copyright (C) 1997-2002 INRIA/University of Nice-Sophia Antipolis
8 * Contact: proactive-support@inria.fr
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * USA
24 *
25 * Initial developer(s): The ProActive Team
26 * http://www.inria.fr/oasis/ProActive/contacts.html
27 * Contributor(s):
28 *
29 * ################################################################
30 */
31 package org.objectweb.proactive.core.group;
32
33 /**
34  * This class gives to it implementors the ability to contact the other members of the group containting the object.
35  *
36  * @author Laurent Baduel
37  */
38 public abstract class GroupMember implements java.io.Serializable JavaDoc {
39
40     /** the group of the object */
41     protected Object JavaDoc myGroup = null;
42     /** index of the object into the Group */
43     protected int myRank;
44
45     
46     /**
47      * Returns the group of the object.
48      * @return the group of the object
49      * @throws Exception
50      */
51     public Object JavaDoc getMyGroup() throws UnreachableGroupException {
52         if (this.myGroup == null)
53             throw new UnreachableGroupException();
54         return this.myGroup;
55     }
56     
57     /**
58      * Specifies the group of the object.
59      * @param <code>o</code> - a typed group
60      */
61     public void setMyGroup(Object JavaDoc o) {
62         this.myGroup = o;
63     }
64
65     /**
66      * Returns the rank (position) of the object in the Group
67      * @return the index of the object
68      */
69     public int getMyRank() {
70         return myRank;
71     }
72
73     /**
74      * Specifies the rank (position) of the object in the Group
75      * @param <code>index</code> - the index of the object
76      */
77     public void setMyRank(int index) {
78         this.myRank = index;
79     }
80
81 }
82
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