Java tutorial
/* * Copyright (C) 2009, Progress Software Corporation and/or its * subsidiaries or affiliates. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.fusesource.forge.jmstest.executor; import javax.jms.Destination; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.MessageProducer; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.fusesource.forge.jmstest.benchmark.BenchmarkExecutionException; import com.fusesource.forge.jmstest.message.MessageFactory; import com.fusesource.forge.jmstest.probe.CountingProbe; public class BenchmarkProducer extends AbstractJMSClientComponent { private transient Log log; private MessageProducer messageProducer; private CountingProbe messageCounter; private long msgNumber = 0; public BenchmarkProducer(AbstractBenchmarkJMSClient container) { super(container); } public MessageFactory getMessageFactory() { return getContainer().getMessageFactory(); } public void setMessageCounter(CountingProbe messageCounter) { this.messageCounter = messageCounter; } public void start() throws BenchmarkExecutionException { try { super.prepare(); String destName = getContainer().getPartConfig().getTestDestinationName(); Destination destination = getDestinationProvider().getDestination(getSession(), destName); messageProducer = getSession().createProducer(destination); } catch (Exception e) { throw new BenchmarkExecutionException("Unable to connect to JMS Provider", e); } } public void sendMessage() { try { Message msg = getMessageFactory().createMessage(getSession()); msg.setLongProperty("SendTime", System.currentTimeMillis()); messageProducer.send(msg, getContainer().getPartConfig().getDeliveryMode().getCode(), 4, 0); if (messageCounter != null) { messageCounter.increment(); msgNumber = messageCounter.getValue().longValue(); } else { msgNumber++; } msg.setLongProperty("MessageNumber", msgNumber); if (getContainer().getPartConfig().isTransacted()) { getSession().commit(); } } catch (Exception e) { // TODO attempt to reinitialise producer getBenchmarkStatus().setState(BenchmarkRunStatus.State.FAILED); log().warn("Failed to send message, entire benchmark will NOW FAIL!", e); } } public void release() { log().debug("Releasing Producer for client: " + getContainer().getClientId().toString()); try { if (messageProducer != null) { messageProducer.close(); } } catch (JMSException e) { // failed to close, just log it log().warn("Error on releasing JMS resources [messageProducer]", e); } finally { messageProducer = null; } super.release(); } private Log log() { if (log == null) { log = LogFactory.getLog(getClass()); } return log; } }