| MonitoringMessageListener.java |
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.monitoring.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.monitoring.statistics.DataSample;
30 import com.liferay.portal.monitoring.statistics.DataSampleProcessor;
31
32 /**
33 * <a href="MonitoringMessageListener.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Michael C. Han
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public class MonitoringMessageListener implements MessageListener {
40
41 public MonitoringMessageListener(
42 DataSampleProcessor<DataSample> dataSampleProcessor) {
43
44 _dataSampleProcessor = dataSampleProcessor;
45 }
46
47 public void receive(Message message) {
48 try {
49 doReceive(message);
50 }
51 catch (Exception e) {
52 _log.error("Unable to process message " + message, e);
53 }
54 }
55
56 public void doReceive(Message message) throws Exception {
57 DataSample dataSample = (DataSample)message.getPayload();
58
59 if (dataSample != null) {
60 _dataSampleProcessor.processDataSample(dataSample);
61 }
62 }
63
64 private static Log _log =
65 LogFactoryUtil.getLog(MonitoringMessageListener.class);
66
67 private DataSampleProcessor<DataSample> _dataSampleProcessor;
68
69 }