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 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());
}
}