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Java > Open Source Codes > org > apache > servicemix > client > MessageListener


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.servicemix.client;
18
19 import javax.jbi.messaging.MessageExchange;
20
21 /**
22  * A listener which is called when a message is available to be processed.
23  *
24  * @version $Revision: $
25  */
26 public interface MessageListener {
27
28     /**
29      * Processes the message. By the completion of this method call, without exceptions
30      * being thrown the message is assumed to be processed unless the status is updated
31      * on the exchange.
32      *
33      * @param exchange
34      * @param message
35      * @throws Exception if the message could not be processed correctly
36      */
37     public void onMessage(MessageExchange exchange, Message message) throws Exception JavaDoc;
38 }
39
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