private SimpleMessageListenerContainer createContainer() throws Exception {
// if (!messageDriven) TODO: no container attributes would apply if not message-driven
SimpleMessageListenerContainer container = new SimpleMessageListenerContainer();
if (this.acknowledgeMode != null) {
container.setAcknowledgeMode(this.acknowledgeMode);
}
if (!ObjectUtils.isEmpty(this.adviceChain)) {
container.setAdviceChain(this.adviceChain);
}
container.setAutoStartup(this.autoStartup);
container.setChannelTransacted(this.channelTransacted);
if (this.concurrentConsumers != null) {
container.setConcurrentConsumers(this.concurrentConsumers);
}
container.setConnectionFactory(this.connectionFactory);
if (this.errorHandler != null) {
container.setErrorHandler(this.errorHandler);
}
if (this.exposeListenerChannel != null) {
container.setExposeListenerChannel(this.exposeListenerChannel);
}
if (this.messagePropertiesConverter != null) {
container.setMessagePropertiesConverter(this.messagePropertiesConverter);
}
if (this.phase != null) {
container.setPhase(this.phase);
}
if (this.prefetchCount != null) {
container.setPrefetchCount(this.prefetchCount);
}
if (this.receiveTimeout != null) {
container.setReceiveTimeout(this.receiveTimeout);
}
if (this.recoveryInterval != null) {
container.setRecoveryInterval(this.recoveryInterval);
}
if (this.shutdownTimeout != null) {
container.setShutdownTimeout(this.shutdownTimeout);
}
if (this.taskExecutor != null) {
container.setTaskExecutor(this.taskExecutor);
}
if (this.transactionAttribute != null) {
container.setTransactionAttribute(this.transactionAttribute);
}
if (this.transactionManager != null) {
container.setTransactionManager(this.transactionManager);
}
if (this.txSize != null) {
container.setTxSize(this.txSize);
}
if (this.missingQueuesFatal != null) {
container.setMissingQueuesFatal(this.missingQueuesFatal);
}
return container;
}
private SimpleMessageListenerContainer createContainer(Object listener) {
SimpleMessageListenerContainer container =
new SimpleMessageListenerContainer(template.getConnectionFactory());
container.setMessageListener(new MessageListenerAdapter(listener));
container.setQueueNames(queue.getName());
container.setTxSize(txSize);
container.setPrefetchCount(txSize);
container.setConcurrentConsumers(concurrentConsumers);
container.setChannelTransacted(transactional);
container.setAcknowledgeMode(AcknowledgeMode.AUTO);
container.afterPropertiesSet();
container.start();
return container;
}
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 SimpleMessageListenerContainer createContainer(Object listener) {
SimpleMessageListenerContainer container =
new SimpleMessageListenerContainer(template.getConnectionFactory());
container.setMessageListener(listener);
container.setQueueNames(queue.getName());
container.setTxSize(txSize);
container.setPrefetchCount(txSize);
container.setConcurrentConsumers(concurrentConsumers);
container.setChannelTransacted(transactional);
container.setAcknowledgeMode(acknowledgeMode);
// requires RabbitMQ 3.2.x
// container.setConsumerArguments(Collections. <String, Object> singletonMap("x-priority",
// Integer.valueOf(10)));
if (externalTransaction) {
container.setTransactionManager(new TestTransactionManager());
}
container.afterPropertiesSet();
container.start();
return container;
}
@Test
public void testListenerSunnyDay() throws Exception {
CountDownLatch latch = new CountDownLatch(messageCount);
for (int i = 0; i < messageCount; i++) {
template.convertAndSend(queue.getName(), i + "foo");
}
SimpleMessageListenerContainer container =
new SimpleMessageListenerContainer(template.getConnectionFactory());
container.setMessageListener(new MessageListenerAdapter(new PojoListener(latch)));
container.setChannelTransacted(transactional);
container.setConcurrentConsumers(concurrentConsumers);
container.setQueueName(queue.getName());
container.afterPropertiesSet();
container.start();
try {
boolean waited = latch.await(50, TimeUnit.MILLISECONDS);
assertFalse("Expected time out waiting for message", waited);
container.stop();
Thread.sleep(500L);
container.start();
if (transactional) {
waited = latch.await(5, TimeUnit.SECONDS);
assertTrue("Timed out waiting for message", waited);
} else {
waited = latch.await(500, TimeUnit.MILLISECONDS);
// If non-transactional we half expect to lose messages
assertFalse("Expected time out waiting for message", waited);
}
} finally {
// Wait for broker communication to finish before trying to stop
// container
Thread.sleep(300L);
container.shutdown();
}
assertNull(template.receiveAndConvert(queue.getName()));
}
private void doTestRetry(
int messageCount, int txSize, int failFrequency, int concurrentConsumers, boolean stateful)
throws Exception {
int failedMessageCount =
messageCount / failFrequency + (messageCount % failFrequency == 0 ? 0 : 1);
RabbitTemplate template = createTemplate(concurrentConsumers);
for (int i = 0; i < messageCount; i++) {
template.convertAndSend(queue.getName(), i);
}
final SimpleMessageListenerContainer container =
new SimpleMessageListenerContainer(template.getConnectionFactory());
PojoListener listener = new PojoListener(failFrequency);
container.setMessageListener(new MessageListenerAdapter(listener));
container.setAcknowledgeMode(AcknowledgeMode.AUTO);
container.setChannelTransacted(true);
container.setTxSize(txSize);
container.setConcurrentConsumers(concurrentConsumers);
final CountDownLatch latch = new CountDownLatch(failedMessageCount);
container.setAdviceChain(new Advice[] {createRetryInterceptor(latch, stateful)});
container.setQueueNames(queue.getName());
container.afterPropertiesSet();
container.start();
try {
int timeout = Math.min(1 + 2 * messageCount / concurrentConsumers, 30);
final int count = messageCount;
logger.debug("Waiting for messages with timeout = " + timeout + " (s)");
Executors.newSingleThreadExecutor()
.execute(
() -> {
while (container.getActiveConsumerCount() > 0) {
try {
Thread.sleep(100L);
} catch (InterruptedException e) {
latch.countDown();
Thread.currentThread().interrupt();
return;
}
}
for (int i = 0; i < count; i++) {
latch.countDown();
}
});
boolean waited = latch.await(timeout, TimeUnit.SECONDS);
logger.info("All messages recovered: " + waited);
assertEquals(concurrentConsumers, container.getActiveConsumerCount());
assertTrue("Timed out waiting for messages", waited);
// Retried each failure 3 times (default retry policy)...
assertEquals(3 * failedMessageCount, listener.getCount());
// All failed messages recovered
assertEquals(null, template.receiveAndConvert(queue.getName()));
} finally {
container.shutdown();
((DisposableBean) template.getConnectionFactory()).destroy();
assertEquals(0, container.getActiveConsumerCount());
}
}
private void doRegisterConsumer(
String name,
MessageChannel moduleInputChannel,
Queue queue,
RabbitPropertiesAccessor properties,
boolean isPubSub) {
// Fix for XD-2503
// Temporarily overrides the thread context classloader with the one where the
// SimpleMessageListenerContainer
// is defined
// This allows for the proxying that happens while initializing the
// SimpleMessageListenerContainer to work
// correctly
ClassLoader originalClassloader = Thread.currentThread().getContextClassLoader();
try {
ClassUtils.overrideThreadContextClassLoader(
SimpleMessageListenerContainer.class.getClassLoader());
SimpleMessageListenerContainer listenerContainer =
new SimpleMessageListenerContainer(this.connectionFactory);
listenerContainer.setAcknowledgeMode(
properties.getAcknowledgeMode(this.defaultAcknowledgeMode));
listenerContainer.setChannelTransacted(
properties.getTransacted(this.defaultChannelTransacted));
listenerContainer.setDefaultRequeueRejected(
properties.getRequeueRejected(this.defaultDefaultRequeueRejected));
if (!isPubSub) {
int concurrency = properties.getConcurrency(this.defaultConcurrency);
concurrency = concurrency > 0 ? concurrency : 1;
listenerContainer.setConcurrentConsumers(concurrency);
int maxConcurrency = properties.getMaxConcurrency(this.defaultMaxConcurrency);
if (maxConcurrency > concurrency) {
listenerContainer.setMaxConcurrentConsumers(maxConcurrency);
}
}
listenerContainer.setPrefetchCount(properties.getPrefetchCount(this.defaultPrefetchCount));
listenerContainer.setTxSize(properties.getTxSize(this.defaultTxSize));
listenerContainer.setTaskExecutor(new SimpleAsyncTaskExecutor(queue.getName() + "-"));
listenerContainer.setQueues(queue);
int maxAttempts = properties.getMaxAttempts(this.defaultMaxAttempts);
if (maxAttempts > 1 || properties.getRepublishToDLQ(this.defaultRepublishToDLQ)) {
RetryOperationsInterceptor retryInterceptor =
RetryInterceptorBuilder.stateless()
.maxAttempts(maxAttempts)
.backOffOptions(
properties.getBackOffInitialInterval(this.defaultBackOffInitialInterval),
properties.getBackOffMultiplier(this.defaultBackOffMultiplier),
properties.getBackOffMaxInterval(this.defaultBackOffMaxInterval))
.recoverer(determineRecoverer(name, properties))
.build();
listenerContainer.setAdviceChain(new Advice[] {retryInterceptor});
}
listenerContainer.setAfterReceivePostProcessors(this.decompressingPostProcessor);
listenerContainer.setMessagePropertiesConverter(
RabbitMessageChannelBinder.inboundMessagePropertiesConverter);
listenerContainer.afterPropertiesSet();
AmqpInboundChannelAdapter adapter = new AmqpInboundChannelAdapter(listenerContainer);
adapter.setBeanFactory(this.getBeanFactory());
DirectChannel bridgeToModuleChannel = new DirectChannel();
bridgeToModuleChannel.setBeanFactory(this.getBeanFactory());
bridgeToModuleChannel.setBeanName(name + ".bridge");
adapter.setOutputChannel(bridgeToModuleChannel);
adapter.setBeanName("inbound." + name);
DefaultAmqpHeaderMapper mapper = new DefaultAmqpHeaderMapper();
mapper.setRequestHeaderNames(
properties.getRequestHeaderPattens(this.defaultRequestHeaderPatterns));
mapper.setReplyHeaderNames(properties.getReplyHeaderPattens(this.defaultReplyHeaderPatterns));
adapter.setHeaderMapper(mapper);
adapter.afterPropertiesSet();
Binding consumerBinding = Binding.forConsumer(name, adapter, moduleInputChannel, properties);
addBinding(consumerBinding);
ReceivingHandler convertingBridge = new ReceivingHandler();
convertingBridge.setOutputChannel(moduleInputChannel);
convertingBridge.setBeanName(name + ".convert.bridge");
convertingBridge.afterPropertiesSet();
bridgeToModuleChannel.subscribe(convertingBridge);
consumerBinding.start();
} finally {
Thread.currentThread().setContextClassLoader(originalClassloader);
}
}