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Java > Open Source Codes > fr > dyade > aaa > agent > BagSerializer


1 /*
2  * Copyright (C) 2004 - France Telecom R&D
3  * Copyright (C) 2004 ScalAgent Distributed Technologies
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 2.1 of the License, or 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
18  * USA.
19  *
20  * Initial developer(s): ScalAgent Distributed Technologies
21  * Contributor(s):
22  */
23 package fr.dyade.aaa.agent;
24
25 import java.io.*;
26
27 /**
28  * This interface is used by object that need to carry additionnal data
29  * between HA nodes.
30  */
31 public interface BagSerializer {
32   /**
33    * The readBag method is responsible for reading from the stream and
34    * restoring the agent's transient state.
35    */
36   public void readBag(ObjectInputStream in)
37     throws IOException, ClassNotFoundException JavaDoc;
38
39   /**
40    * The writeBag method is responsible for writing the extra data
41    * of this particular agent so that the corresponding readBag method
42    * can restore it.
43    */
44   public void writeBag(ObjectOutputStream out)
45     throws IOException;
46 }
47
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