1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.kernel.messaging;
16  
17  import java.util.Set;
18  import java.util.concurrent.ThreadPoolExecutor;
19  
20  /**
21   * <a href="SerialDestination.java.html"><b><i>View Source</i></b></a>
22   *
23   * <p>
24   * Destination that delivers a message to a list of message listeners one at a
25   * time.
26   * </p>
27   *
28   * @author Michael C. Han
29   */
30  public class SerialDestination extends BaseDestination {
31  
32      public SerialDestination() {
33      }
34  
35      /**
36       * @deprecated
37       */
38      public SerialDestination(String name) {
39          super(name, _WORKERS_CORE_SIZE, _WORKERS_MAX_SIZE);
40      }
41  
42      protected void dispatch(
43          final Set<MessageListener> messageListeners, final Message message) {
44  
45          ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor();
46  
47          Runnable runnable = new Runnable() {
48  
49              public void run() {
50                  for (MessageListener messageListener : messageListeners) {
51                      messageListener.receive(message);
52                  }
53              }
54  
55          };
56  
57          threadPoolExecutor.execute(runnable);
58      }
59  
60      private static final int _WORKERS_CORE_SIZE = 1;
61  
62      private static final int _WORKERS_MAX_SIZE = 1;
63  
64  }