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Java > Open Source Codes > javax > jms > MessageListener


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24
25 package javax.jms;
26
27
28 /** A <CODE>MessageListener</CODE> object is used to receive asynchronously
29   * delivered messages.
30   *
31   * <P>Each session must insure that it passes messages serially to the
32   * listener. This means that a listener assigned to one or more consumers
33   * of the same session can assume that the <CODE>onMessage</CODE> method
34   * is not called with the next message until the session has completed the
35   * last call.
36   *
37   * @version 1.0 - 13 March 1998
38   * @author Mark Hapner
39   * @author Rich Burridge
40   */
41
42 public interface MessageListener {
43
44     /** Passes a message to the listener.
45       *
46       * @param message the message passed to the listener
47       */
48
49     void
50     onMessage(Message JavaDoc message);
51 }
52
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