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Java > Open Source Codes > org > objectweb > tribe > views > View


1 /**
2  * Tribe: Group communication library.
3  * Copyright (C) 2002-2004 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.views;
26
27 import java.util.ArrayList JavaDoc;
28
29 /**
30  * This class defines a View of a group. This is used for view synchrony.
31  *
32  * @author <a HREF="mailto:Emmanuel.Cecchet@inria.fr">Emmanuel Cecchet </a>
33  * @version 1.0
34  */
35 public class View
36 {
37   /** Unique identifier of the view */
38   private int viewId;
39   private ArrayList JavaDoc members;
40
41   /**
42    * Creates a new view
43    *
44    * @param viewId The view uniaque identifier
45    * @param members Contains a list of all the members in the view, can be empty
46    * but not null.
47    */
48   public View(int viewId, ArrayList JavaDoc members)
49   {
50     this.viewId = viewId;
51     this.members = members;
52   }
53
54   /**
55    * Returns a reference to the list of members (this list may have been ordered
56    * by the underlying GMS service). Make a copy of the list if you have to
57    * modify it.
58    *
59    * @return a reference to the ordered list of members in this view
60    */
61   public ArrayList JavaDoc getMembers()
62   {
63     return members;
64   }
65
66   /**
67    * Returns the id of this view.
68    *
69    * @return Returns the view id.
70    */
71   public int getViewId()
72   {
73     return viewId;
74   }
75 }
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