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.cluster.messaging;
16  
17  import com.liferay.portal.kernel.cluster.Address;
18  import com.liferay.portal.kernel.cluster.ClusterLinkUtil;
19  import com.liferay.portal.kernel.cluster.Priority;
20  import com.liferay.portal.kernel.log.Log;
21  import com.liferay.portal.kernel.log.LogFactoryUtil;
22  import com.liferay.portal.kernel.messaging.Message;
23  import com.liferay.portal.kernel.messaging.MessageListener;
24  
25  /**
26   * <a href="ClusterBridgeMessageListener.java.html"><b><i>View Source</i></b>
27   * </a>
28   *
29   * @author Shuyang Zhou
30   */
31  public class ClusterBridgeMessageListener implements MessageListener {
32  
33      public void receive(Message message) {
34          if (!_active) {
35              return;
36          }
37  
38          if (ClusterLinkUtil.isForwardMessage(message)) {
39              return;
40          }
41  
42          Address address = ClusterLinkUtil.getAddress(message);
43  
44          if (address == null) {
45              if (_log.isInfoEnabled()) {
46                  _log.info("Bridging cluster link multicast message " + message);
47              }
48  
49              ClusterLinkUtil.sendMulticastMessage(message, _priority);
50          }
51          else {
52              if (_log.isInfoEnabled()) {
53                  _log.info(
54                      "Bridging cluster link unicast message " + message +
55                          " to " + address);
56              }
57  
58              ClusterLinkUtil.sendUnicastMessage(address, message, _priority);
59          }
60      }
61  
62      public void setActive(boolean active) {
63          _active = active;
64      }
65  
66      public void setPriority(Priority priority) {
67          _priority = priority;
68      }
69  
70      private static Log _log = LogFactoryUtil.getLog(
71          ClusterBridgeMessageListener.class);
72  
73      private boolean _active = true;
74      private Priority _priority;
75  
76  }