Example usage for org.springframework.amqp.rabbit.core RabbitTemplate sendAndReceive

Introduction

In this page you can find the example usage for org.springframework.amqp.rabbit.core RabbitTemplate sendAndReceive.

Prototype

@Override
    @Nullable
    public Message sendAndReceive(final String routingKey, final Message message) throws AmqpException 

Source Link

Usage

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

@Test
public void testAtomicSendAndReceiveWithRoutingKey() throws Exception {
    final RabbitTemplate template = new RabbitTemplate(new CachingConnectionFactory());
    ExecutorService executor = Executors.newFixedThreadPool(1);
    // Set up a consumer to respond to our producer
    Future<Message> received = executor.submit(new Callable<Message>() {

        public Message call() throws Exception {
            Message message = null;/*  www .ja  va 2  s  .  c  om*/
            for (int i = 0; i < 10; i++) {
                message = template.receive(ROUTE);
                if (message != null) {
                    break;
                }
                Thread.sleep(100L);
            }
            assertNotNull("No message received", message);
            template.send(message.getMessageProperties().getReplyTo(), message);
            return message;
        }

    });
    Message message = new Message("test-message".getBytes(), new MessageProperties());
    Message reply = template.sendAndReceive(ROUTE, message);
    assertEquals(new String(message.getBody()),
            new String(received.get(1000, TimeUnit.MILLISECONDS).getBody()));
    assertNotNull("Reply is expected", reply);
    assertEquals(new String(message.getBody()), new String(reply.getBody()));
    // Message was consumed so nothing left on queue
    reply = template.receive(ROUTE);
    assertEquals(null, reply);
}

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