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Java > Open Source Codes > org > objectweb > joram > shared > messages > MessageType


1 /*
2  * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3  * Copyright (C) 2001 - ScalAgent Distributed Technologies
4  * Copyright (C) 1996 - Dyade
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): Jeff Mesnil (INRIA)
22  * Contributor(s):
23  */

24 package org.objectweb.joram.shared.messages;
25
26 /**
27  * The <code>MessageType</code> interface defines the various types of
28  * MOM messages.
29  * <p>
30  * MOM messages are defined by the type of data they actually carry.
31  */

32 public interface MessageType
33 {
34   /** A simple message carries an empty body. */
35   public static final int SIMPLE = 0;
36
37   /** A text message carries a String body. */
38   public static final int TEXT = 1;
39
40   /** An object message carries a serializable object. */
41   public static final int OBJECT = 2;
42
43   /** A map message carries an hashtable. */
44   public static final int MAP = 3;
45
46   /** A stream message carries a bytes stream. */
47   public static final int STREAM = 4;
48
49   /** A bytes message carries an array of bytes. */
50   public static final int BYTES = 5;
51 }
52
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