/*
* Copyright 2002-2014 the original author or authors.
*
* 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 org.springframework.amqp.rabbit.listener;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.Level;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.amqp.core.AcknowledgeMode;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.listener.adapter.MessageListenerAdapter;
import org.springframework.amqp.rabbit.test.BrokerRunning;
import org.springframework.amqp.rabbit.test.BrokerTestUtils;
import org.springframework.amqp.rabbit.test.Log4jLevelAdjuster;
import org.springframework.amqp.support.converter.SimpleMessageConverter;
/**
* @author Mark Fisher
* @author Gunnar Hillert
* @author Gary Russell
*/
public class MessageListenerContainerMultipleQueueIntegrationTests {
private static Log logger = LogFactory.getLog(MessageListenerContainerMultipleQueueIntegrationTests.class);
private static Queue queue1 = new Queue("test.queue.1");
private static Queue queue2 = new Queue("test.queue.2");
@Rule
public BrokerRunning brokerIsRunningAndQueue1Empty = BrokerRunning.isRunningWithEmptyQueues(queue1);
@Rule
public BrokerRunning brokerIsRunningAndQueue2Empty = BrokerRunning.isRunningWithEmptyQueues(queue2);
@Rule
public Log4jLevelAdjuster logLevels = new Log4jLevelAdjuster(Level.INFO, RabbitTemplate.class,
SimpleMessageListenerContainer.class, BlockingQueueConsumer.class);
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void testMultipleQueues() {
doTest(1, new ContainerConfigurer() {
@Override
public void configure(SimpleMessageListenerContainer container) {
container.setQueues(queue1, queue2);
}
});
}
@Test
public void testMultipleQueueNames() {
doTest(1, new ContainerConfigurer() {
@Override
public void configure(SimpleMessageListenerContainer container) {
container.setQueueNames(queue1.getName(), queue2.getName());
}
});
}
@Test
public void testMultipleQueuesWithConcurrentConsumers() {
doTest(3, new ContainerConfigurer() {
@Override
public void configure(SimpleMessageListenerContainer container) {
container.setQueues(queue1, queue2);
}
});
}
@Test
public void testMultipleQueueNamesWithConcurrentConsumers() {
doTest(3, new ContainerConfigurer() {
@Override
public void configure(SimpleMessageListenerContainer container) {
container.setQueueNames(queue1.getName(), queue2.getName());
}
});
}
private void doTest(int concurrentConsumers, ContainerConfigurer configurer) {
int messageCount = 10;
RabbitTemplate template = new RabbitTemplate();
CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
connectionFactory.setHost("localhost");
connectionFactory.setChannelCacheSize(concurrentConsumers);
connectionFactory.setPort(BrokerTestUtils.getPort());
template.setConnectionFactory(connectionFactory);
SimpleMessageConverter messageConverter = new SimpleMessageConverter();
messageConverter.setCreateMessageIds(true);
template.setMessageConverter(messageConverter);
for (int i = 0; i < messageCount; i++) {
template.convertAndSend(queue1.getName(), new Integer(i));
template.convertAndSend(queue2.getName(), new Integer(i));
}
final SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory);
final CountDownLatch latch = new CountDownLatch(messageCount * 2);
PojoListener listener = new PojoListener(latch);
container.setMessageListener(new MessageListenerAdapter(listener));
container.setAcknowledgeMode(AcknowledgeMode.AUTO);
container.setChannelTransacted(true);
container.setConcurrentConsumers(concurrentConsumers);
configurer.configure(container);
container.afterPropertiesSet();
container.start();
try {
int timeout = Math.min(1 + messageCount / concurrentConsumers, 30);
boolean waited = latch.await(timeout, TimeUnit.SECONDS);
logger.info("All messages recovered: " + waited);
assertEquals(concurrentConsumers, container.getActiveConsumerCount());
assertTrue("Timed out waiting for messages", waited);
}
catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new IllegalStateException("unexpected interruption");
}
finally {
container.shutdown();
assertEquals(0, container.getActiveConsumerCount());
}
assertNull(template.receiveAndConvert(queue1.getName()));
assertNull(template.receiveAndConvert(queue2.getName()));
connectionFactory.destroy();
}
private interface ContainerConfigurer {
void configure(SimpleMessageListenerContainer container);
}
@SuppressWarnings("unused")
private static class PojoListener {
private final AtomicInteger count = new AtomicInteger();
private final CountDownLatch latch;
public PojoListener(CountDownLatch latch) {
this.latch = latch;
}
public void handleMessage(int value) throws Exception {
logger.debug(value + ":" + count.getAndIncrement());
latch.countDown();
}
public int getCount() {
return count.get();
}
}
}