1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.search.lucene.messaging;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.messaging.Message;
28  import com.liferay.portal.kernel.messaging.MessageListener;
29  import com.liferay.portal.kernel.search.Document;
30  import com.liferay.portal.kernel.search.messaging.SearchRequest;
31  import com.liferay.portal.search.lucene.LuceneSearchEngineUtil;
32  
33  /**
34   * <a href="LuceneWriterMessageListener.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Bruno Farache
37   *
38   */
39  public class LuceneWriterMessageListener implements MessageListener {
40  
41      public void receive(Message message) {
42          try {
43              doReceive(message);
44          }
45          catch (Exception e) {
46              _log.error("Unable to process message " + message, e);
47          }
48      }
49  
50      public void doReceive(Message message) throws Exception {
51          Object payload = message.getPayload();
52  
53          if (!(payload instanceof SearchRequest)) {
54              return;
55          }
56  
57          SearchRequest searchRequest = (SearchRequest)payload;
58  
59          String command = searchRequest.getCommand();
60  
61          if (!LuceneSearchEngineUtil.isRegistered() &&
62              !command.equals(SearchRequest.COMMAND_REGISTER)) {
63  
64              return;
65          }
66  
67          long companyId = searchRequest.getCompanyId();
68          String id = searchRequest.getId();
69          Document doc = searchRequest.getDocument();
70  
71          if (command.equals(SearchRequest.COMMAND_ADD)) {
72              LuceneSearchEngineUtil.addDocument(companyId, doc);
73          }
74          else if (command.equals(SearchRequest.COMMAND_DELETE)) {
75              LuceneSearchEngineUtil.deleteDocument(companyId, id);
76          }
77          else if (command.equals(SearchRequest.COMMAND_DELETE_PORTLET_DOCS)) {
78              LuceneSearchEngineUtil.deletePortletDocuments(companyId, id);
79          }
80          else if (command.equals(SearchRequest.COMMAND_REGISTER)) {
81              LuceneSearchEngineUtil.register(id);
82          }
83          else if (command.equals(SearchRequest.COMMAND_UNREGISTER)) {
84              LuceneSearchEngineUtil.unregister(id);
85          }
86          else if (command.equals(SearchRequest.COMMAND_UPDATE)) {
87              LuceneSearchEngineUtil.updateDocument(companyId, id, doc);
88          }
89      }
90  
91      private static Log _log =
92          LogFactoryUtil.getLog(LuceneWriterMessageListener.class);
93  
94  }