Example usage for org.springframework.amqp.rabbit.listener SimpleMessageListenerContainer setAfterReceivePostProcessors

Introduction

In this page you can find the example usage for org.springframework.amqp.rabbit.listener SimpleMessageListenerContainer setAfterReceivePostProcessors.

Prototype

public void setAfterReceivePostProcessors(MessagePostProcessor... afterReceivePostProcessors) 

Source Link

Document

Set MessagePostProcessor s that will be applied after message reception, before invoking the MessageListener .

Usage

From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testCompressionWithContainer() throws Exception {
    final List<Message> received = new ArrayList<Message>();
    final CountDownLatch latch = new CountDownLatch(2);
    SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(this.connectionFactory);
    container.setQueueNames(ROUTE);/*  w w w  .  j  a  va 2 s  . com*/
    container.setMessageListener((MessageListener) message -> {
        received.add(message);
        latch.countDown();
    });
    container.setReceiveTimeout(100);
    container.setAfterReceivePostProcessors(new DelegatingDecompressingPostProcessor());
    container.afterPropertiesSet();
    container.start();
    try {
        BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
        BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
        template.setConnectionFactory(this.connectionFactory);
        template.setBeforePublishPostProcessors(new GZipPostProcessor());
        MessageProperties props = new MessageProperties();
        Message message = new Message("foo".getBytes(), props);
        template.send("", ROUTE, message);
        message = new Message("bar".getBytes(), props);
        template.send("", ROUTE, message);
        assertTrue(latch.await(10, TimeUnit.SECONDS));
        assertEquals(2, received.size());
        assertEquals("foo", new String(received.get(0).getBody()));
        assertEquals(3, received.get(0).getMessageProperties().getContentLength());
        assertEquals("bar", new String(received.get(1).getBody()));
        assertEquals(3, received.get(0).getMessageProperties().getContentLength());
    } finally {
        container.stop();
    }
}

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From source file:org.springframework.xd.dirt.integration.rabbit.RabbitMessageBus.java

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 {/*from www.j  a  v a 2 s  . c  om*/
        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) {
            RetryOperationsInterceptor retryInterceptor = RetryInterceptorBuilder.stateless()
                    .maxAttempts(maxAttempts)
                    .backOffOptions(properties.getBackOffInitialInterval(this.defaultBackOffInitialInterval),
                            properties.getBackOffMultiplier(this.defaultBackOffMultiplier),
                            properties.getBackOffMaxInterval(this.defaultBackOffMaxInterval))
                    .recoverer(new RejectAndDontRequeueRecoverer()).build();
            listenerContainer.setAdviceChain(new Advice[] { retryInterceptor });
        }
        listenerContainer.setAfterReceivePostProcessors(this.decompressingPostProcessor);
        listenerContainer.setMessagePropertiesConverter(RabbitMessageBus.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);
    }
}

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