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package org.apache.qpid.perftests.dlq.client;
import static org.apache.qpid.perftests.dlq.client.Config.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import org.apache.qpid.perftests.dlq.test.PerformanceTest;
public class Receiver extends Client
{
private MessageConsumer _consumer;
private boolean _listener;
private int _reject;
private int _rejectCount;
private Map<Integer, Integer> _rejected = new HashMap<Integer, Integer>();
private static volatile boolean _stopped;
private static CountDownLatch _finished;
private static AtomicInteger _id;
private static AtomicInteger _received;
public Receiver(Properties props)
{
super(props);
_client = String.format("%04d", _id.incrementAndGet());
}
public static void reset()
{
_id = new AtomicInteger(0);
_received = new AtomicInteger(0);
_finished = new CountDownLatch(1);
_stopped = false;
}
public void start() throws Exception
{
_listener = Boolean.parseBoolean(_props.getProperty(LISTENER));
_reject = Integer.parseInt(_props.getProperty(REJECT));
_rejectCount = Integer.parseInt(_props.getProperty(REJECT_COUNT));
_consumer = _session.createConsumer(_queue);
_connection.start();
}
public void startListener() throws Exception
{
_consumer.setMessageListener(new MessageListener()
{
public void onMessage(Message msg)
{
processMessage(msg);
}
});
}
public void startReceiver() throws Exception
{
while (!_stopped)
{
Message msg = _consumer.receive(1000);
processMessage(msg);
}
}
public void processMessage(Message msg)
{
try
{
_received.incrementAndGet();
int number = msg.getIntProperty("number");
if (number % 100 == 0)
{
_log.info("client " + _client + " got message " + number);
}
boolean rejectMessage = (number % _reject) == 0;
if (rejectMessage)
{
int rejectCount = 0;
if (_rejected.containsKey(number))
{
rejectCount = _rejected.get(number);
}
_rejected.put(number, ++rejectCount);
if (rejectCount <= _rejectCount)
{
if (rejectCount >= _maxRedelivery)
{
_log.info("rejecting message (" + rejectCount + ") " + msg.getJMSMessageID());
}
if (_transacted)
{
_session.rollback();
}
else
{
_session.recover();
}
}
else
{
rejectMessage = false;
}
}
if (!rejectMessage)
{
if (_transacted)
{
_session.commit();
}
else if (_clientAck)
{
msg.acknowledge();
}
if (number == (_count - 1))
{
_stopped = true;
_finished.countDown();
}
}
}
catch (Exception e)
{
_log.error("failed to process message", e);
_stopped = true;
_finished.countDown();
}
}
public Integer call() throws Exception
{
start();
if (_listener)
{
startListener();
}
else
{
startReceiver();
}
_finished.await();
PerformanceTest.countDown();
return _received.get();
}
}
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