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1   /*
2    * $Id$
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.api.source;
12  
13  import org.mule.api.MuleException;
14  import org.mule.api.processor.MessageProcessor;
15  
16  /**
17   * Implemented by objects that receives or generates messages which are then
18   * processed by a {@link MessageProcessor}.
19   * 
20   * @since 3.0
21   */
22  public interface MessageSource
23  {
24      /**
25       * Set the MessageProcessor listener on a message source which will be invoked
26       * when a message is received or generated.
27       * 
28       * @param event MuleEvent to be processed
29       * @return optional response MuleEvent
30       * @throws MuleException
31       */
32      void setListener(MessageProcessor listener);
33  }