1
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.messaging.sender.MessageSender;
30 import com.liferay.portal.kernel.search.Hits;
31 import com.liferay.portal.kernel.search.SearchEngine;
32 import com.liferay.portal.kernel.search.messaging.SearchRequest;
33
34
40 public class LuceneReaderMessageListener implements MessageListener {
41
42 public LuceneReaderMessageListener(MessageSender messageSender) {
43 _messageSender = messageSender;
44 }
45
46 public void receive(Message message) {
47 try {
48 doReceive(message);
49 }
50 catch (Exception e) {
51 _log.error("Unable to process message " + message, e);
52 }
53 }
54
55 public void setSearchEngine(SearchEngine searchEngine) {
56 _searchEngine = searchEngine;
57 }
58
59 protected void doCommandSearch(Message message, SearchRequest searchRequest)
60 throws Exception {
61
62 Hits hits = _searchEngine.getSearcher().search(
63 searchRequest.getCompanyId(), searchRequest.getQuery(),
64 searchRequest.getSorts(), searchRequest.getStart(),
65 searchRequest.getEnd());
66
67 message.setPayload(hits);
68
69 _messageSender.send(message.getResponseDestination(), message);
70 }
71
72 protected void doReceive(Message message) throws Exception {
73 Object payload = message.getPayload();
74
75 if (!_searchEngine.isRegistered() ||
76 !(payload instanceof SearchRequest)) {
77
78 return;
79 }
80
81 SearchRequest searchRequest = (SearchRequest)payload;
82
83 String command = searchRequest.getCommand();
84
85 if (command.equals(SearchRequest.COMMAND_SEARCH)) {
86 doCommandSearch(message, searchRequest);
87 }
88 }
89
90 private static Log _log =
91 LogFactoryUtil.getLog(LuceneReaderMessageListener.class);
92
93 private MessageSender _messageSender;
94 private SearchEngine _searchEngine;
95
96 }