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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.qpid.testkit.soak;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
/**
* Test Description
* ================
* The difference between this test and the
* LongDurationConsumer is that each Session runs
* in it's own Thread and the ability to receive
* messages transactionally.
*
* All consumers will still share the same destination.
*
*/
public class MultiThreadedConsumer extends BaseTest
{
protected final boolean transacted;
public MultiThreadedConsumer()
{
super();
transacted = Boolean.getBoolean("transacted");
// needed only to calculate throughput.
// If msg_count is different set it via -Dmsg_count
msg_count = 10;
}
/**
* Creates a Session and a consumer that runs in its
* own thread.
* It can also consume transactionally.
*
*/
public void test()
{
try
{
for (int i = 0; i < session_count; i++)
{
final Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
Thread t = new Thread(new Runnable()
{
public void run()
{
try
{
MessageConsumer consumer = session.createConsumer(dest);
consumer.setMessageListener(new MessageListener()
{
private boolean startIteration = true;
private long startTime = 0;
private long iterations = 0;
public void onMessage(Message m)
{
try
{
long now = System.currentTimeMillis();
if (startIteration)
{
startTime = m.getJMSTimestamp();
startIteration = false;
}
if (m instanceof TextMessage && ((TextMessage) m).getText().equals("End"))
{
startIteration = true;
long totalIterationTime = now - startTime;
double throughput = ((double)msg_count/(double)totalIterationTime) * 1000;
long latencySample = now - m.getJMSTimestamp();
iterations++;
StringBuilder sb = new StringBuilder();
sb.append(iterations).append(",").
append(nf.format(throughput)).append(",").append(latencySample);
System.out.println(sb.toString());
MessageProducer temp = session.createProducer(m.getJMSReplyTo());
Message controlMsg = session.createTextMessage();
temp.send(controlMsg);
if (transacted)
{
session.commit();
}
temp.close();
}
}
catch (JMSException e)
{
handleError(e,"Exception receiving messages");
}
}
});
}
catch (Exception e)
{
handleError(e,"Exception creating a consumer");
}
}
});
t.setName("session-" + i);
t.start();
} // for loop
}
catch (Exception e)
{
handleError(e,"Exception while setting up the test");
}
}
public static void main(String[] args)
{
MultiThreadedConsumer test = new MultiThreadedConsumer();
test.setUp();
test.test();
}
}
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