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


1 /*
2  * Copyright (C) 2001 - 2004 ScalAgent Distributed Technologies
3  * Copyright (C) 1996 - 2000 BULL
4  * Copyright (C) 1996 - 2000 INRIA
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  * USA.
20  *
21  * Initial developer(s): Dyade
22  * Contributor(s): ScalAgent Distributed Technologies
23  */
24
25
26 package fr.dyade.aaa.agent;
27
28 import java.io.*;
29
30
31 /**
32  * This interface must be implemented by all classes used in
33  * filtering an input stream to a <code>DriverIn</code> object.
34  *
35  * @see ProxyAgent
36  * @see DriverIn
37  */
38 public interface NotificationInputStream {
39
40
41
42   /**
43    * Gets a <code>Notification</code> from the stream.
44    *
45    * @return a notification, or <code>null</code> on end of stream.
46    * @exception ClassNotFoundException
47    * when the notification class may not be found
48    * @exception IOException
49    * thrown by the underlying stream operations
50    */
51   public Notification readNotification()
52     throws ClassNotFoundException JavaDoc, IOException;
53
54   /**
55    * Closes the stream.
56    */
57   public void close() throws IOException;
58 }
59
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