/**
* 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.activemq.bugs;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQQueue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
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;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
public class AMQ1893Test extends TestCase {
private static final Logger log = LoggerFactory.getLogger(AMQ1893Test.class);
static final String QUEUE_NAME = "TEST";
static final int MESSAGE_COUNT_OF_ONE_GROUP = 10000;
static final int[] PRIORITIES = new int[]{0, 5, 10};
static final boolean debug = false;
private BrokerService brokerService;
private ActiveMQQueue destination;
@Override
protected void setUp() throws Exception {
brokerService = new BrokerService();
brokerService.setDeleteAllMessagesOnStartup(true);
brokerService.addConnector("tcp://localhost:0");
brokerService.start();
destination = new ActiveMQQueue(QUEUE_NAME);
}
@Override
protected void tearDown() throws Exception {
// Stop any running threads.
brokerService.stop();
}
public void testProduceConsumeWithSelector() throws Exception {
new TestProducer().produceMessages();
new TestConsumer().consume();
}
class TestProducer {
public void produceMessages() throws Exception {
ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
brokerService.getTransportConnectors().get(0).getConnectUri().toString()
);
Connection connection = connectionFactory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination destination = session.createQueue(QUEUE_NAME);
MessageProducer producer = session.createProducer(destination);
producer.setDeliveryMode(DeliveryMode.PERSISTENT);
long start = System.currentTimeMillis();
for (int priority : PRIORITIES) {
String name = null;
if (priority == 10) {
name = "high";
} else if (priority == 5) {
name = "mid";
} else {
name = "low";
}
for (int i = 1; i <= MESSAGE_COUNT_OF_ONE_GROUP; i++) {
TextMessage message = session.createTextMessage(name + "_" + i);
message.setIntProperty("priority", priority);
producer.send(message);
}
}
long end = System.currentTimeMillis();
log.info("sent " + (MESSAGE_COUNT_OF_ONE_GROUP * 3) + " messages in " + (end - start) + " ms");
producer.close();
session.close();
connection.close();
}
}
class TestConsumer {
private CountDownLatch finishLatch = new CountDownLatch(1);
public void consume() throws Exception {
ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
brokerService.getTransportConnectors().get(0).getConnectUri().toString()
);
final int totalMessageCount = MESSAGE_COUNT_OF_ONE_GROUP * PRIORITIES.length;
final AtomicInteger counter = new AtomicInteger();
final MessageListener listener = new MessageListener() {
public void onMessage(Message message) {
if (debug) {
try {
log.info(((TextMessage) message).getText());
} catch (JMSException e) {
e.printStackTrace();
}
}
if (counter.incrementAndGet() == totalMessageCount) {
finishLatch.countDown();
}
}
};
int consumerCount = PRIORITIES.length;
Connection[] connections = new Connection[consumerCount];
Session[] sessions = new Session[consumerCount];
MessageConsumer[] consumers = new MessageConsumer[consumerCount];
for (int i = 0; i < consumerCount; i++) {
String selector = "priority = " + PRIORITIES[i];
connections[i] = connectionFactory.createConnection();
sessions[i] = connections[i].createSession(false, Session.AUTO_ACKNOWLEDGE);
consumers[i] = sessions[i].createConsumer(destination, selector);
consumers[i].setMessageListener(listener);
}
for (Connection connection : connections) {
connection.start();
}
log.info("received " + counter.get() + " messages");
assertTrue("got all messages in time", finishLatch.await(60, TimeUnit.SECONDS));
log.info("received " + counter.get() + " messages");
for (MessageConsumer consumer : consumers) {
consumer.close();
}
for (Session session : sessions) {
session.close();
}
for (Connection connection : connections) {
connection.close();
}
}
}
}