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Java > Open Source Codes > org > objectweb > dream > protocol > utobcast > SequenceNumberImpl


1 /**
2  * Dream
3  * Copyright (C) 2003-2004 INRIA Rhone-Alpes
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * Contact: dream@objectweb.org
20  *
21  * Initial developer(s): Vivien Quema
22  * Contributor(s):
23  */
24
25 package org.objectweb.dream.protocol.utobcast;
26
27 import org.objectweb.dream.AbstractComponent;
28 import org.objectweb.dream.util.EmptyStringArray;
29
30 /**
31  * Implementation of the {@link SequenceNumber}interface.
32  */
33 public class SequenceNumberImpl extends AbstractComponent
34     implements
35       SequenceNumber
36 {
37   long sn = 0;
38
39   // ---------------------------------------------------------------------------
40 // Fields of this class
41 // ---------------------------------------------------------------------------
42
43   // ---------------------------------------------------------------------------
44 // Constructor
45 // ---------------------------------------------------------------------------
46
47   /**
48    * Constructor.
49    */
50   public SequenceNumberImpl()
51   {
52   }
53
54   // ---------------------------------------------------------------------------
55 // Implementation of the SequenceNumber interface
56 // ---------------------------------------------------------------------------
57
58   /**
59    * @see org.objectweb.dream.protocol.utobcast.SequenceNumber#getSequenceNumber()
60    */
61   public long getSequenceNumber()
62   {
63     return sn;
64   }
65
66   /**
67    * @see org.objectweb.dream.protocol.utobcast.SequenceNumber#setSequenceNumber(long)
68    */
69   public void setSequenceNumber(long sn)
70   {
71     this.sn = sn;
72   }
73
74   /**
75    * @see org.objectweb.dream.protocol.utobcast.SequenceNumber#incrementSequenceNumber()
76    */
77   public void incrementSequenceNumber()
78   {
79     sn++;
80   }
81
82   // ---------------------------------------------------------------------------
83 // Implementation of the BindingController interface
84 // ---------------------------------------------------------------------------
85
86   /**
87    * @see org.objectweb.fractal.api.control.BindingController#listFc()
88    */
89   public String JavaDoc[] listFc()
90   {
91     return EmptyStringArray.EMPTY_STRING_ARRAY;
92   }
93
94 }
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