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 }