Example usage for org.springframework.amqp.rabbit.listener DirectMessageListenerContainer addQueues

Introduction

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

Prototype

private void addQueues(Stream<String> queueNameStream) 

Source Link

Usage

From source file:org.springframework.amqp.rabbit.listener.DirectMessageListenerContainerIntegrationTests.java

@Test
public void testQueueManagementQueueInstances() throws Exception {
    CachingConnectionFactory cf = new CachingConnectionFactory("localhost");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setThreadNamePrefix("client-");
    executor.afterPropertiesSet();/* www  .  j  a  va2s.c om*/
    cf.setExecutor(executor);
    DirectMessageListenerContainer container = new DirectMessageListenerContainer(cf);
    container.setConsumersPerQueue(2);
    container.setMessageListener(new MessageListenerAdapter((ReplyingMessageListener<String, String>) in -> {
        if ("foo".equals(in) || "bar".equals(in)) {
            return in.toUpperCase();
        } else {
            return null;
        }
    }));
    container.setBeanName("qManage");
    container.setConsumerTagStrategy(new Tag());
    container.afterPropertiesSet();
    container.setQueues(new Queue(Q1));
    assertArrayEquals(new String[] { Q1 }, container.getQueueNames());
    container.start();
    container.addQueues(new Queue(Q2));
    assertTrue(consumersOnQueue(Q1, 2));
    assertTrue(consumersOnQueue(Q2, 2));
    RabbitTemplate template = new RabbitTemplate(cf);
    assertEquals("FOO", template.convertSendAndReceive(Q1, "foo"));
    assertEquals("BAR", template.convertSendAndReceive(Q2, "bar"));
    container.removeQueues(new Queue(Q1), new Queue(Q2), new Queue("junk"));
    assertTrue(consumersOnQueue(Q1, 0));
    assertTrue(consumersOnQueue(Q2, 0));
    assertTrue(activeConsumerCount(container, 0));
    container.stop();
    assertTrue(consumersOnQueue(Q1, 0));
    assertTrue(consumersOnQueue(Q2, 0));
    assertTrue(activeConsumerCount(container, 0));
    assertEquals(0, TestUtils.getPropertyValue(container, "consumersByQueue", MultiValueMap.class).size());
    template.stop();
    cf.destroy();
}

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