Example usage for org.springframework.messaging MessageHandler MessageHandler

Introduction

In this page you can find the example usage for org.springframework.messaging MessageHandler MessageHandler.

Prototype

MessageHandler

Source Link

Usage

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

@Test
public void testSendAndReceiveBad() throws Exception {
    MessageBus messageBus = getMessageBus();
    DirectChannel moduleOutputChannel = new DirectChannel();
    DirectChannel moduleInputChannel = new DirectChannel();
    messageBus.bindProducer("bad.0", moduleOutputChannel, null);
    messageBus.bindConsumer("bad.0", moduleInputChannel, null);
    Message<?> message = MessageBuilder.withPayload("bad").setHeader(MessageHeaders.CONTENT_TYPE, "foo/bar")
            .build();/*from  w  w  w  .  j av a  2 s. co m*/
    final CountDownLatch latch = new CountDownLatch(3);
    moduleInputChannel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            latch.countDown();
            throw new RuntimeException("bad");
        }
    });
    moduleOutputChannel.send(message);
    assertTrue(latch.await(10, TimeUnit.SECONDS));
    messageBus.unbindConsumers("bad.0");
    messageBus.unbindProducers("bad.0");
}

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

@Test
public void testDurablePubSubWithAutoBindDLQ() throws Exception {
    RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());

    MessageBus bus = getMessageBus();/*from   w  w  w .  j av a  2s .c om*/
    Properties properties = new Properties();
    properties.put("prefix", "xdbustest.");
    properties.put("autoBindDLQ", "true");
    properties.put("durableSubscription", "true");
    properties.put("maxAttempts", "1"); // disable retry
    properties.put("requeue", "false");
    DirectChannel moduleInputChannel = new DirectChannel();
    moduleInputChannel.setBeanName("durableTest");
    moduleInputChannel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            throw new RuntimeException("foo");
        }

    });
    bus.bindPubSubConsumer("teststream.tap:stream:durabletest.0", moduleInputChannel, properties);

    RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
    template.convertAndSend("xdbustest.topic.tap:stream:durabletest.0", "", "foo");

    int n = 0;
    while (n++ < 100) {
        Object deadLetter = template.receiveAndConvert("xdbustest.teststream.tap:stream:durabletest.0.dlq");
        if (deadLetter != null) {
            assertEquals("foo", deadLetter);
            break;
        }
        Thread.sleep(100);
    }
    assertTrue(n < 100);

    bus.unbindConsumer("teststream.tap:stream:durabletest.0", moduleInputChannel);
    assertNotNull(admin.getQueueProperties("xdbustest.teststream.tap:stream:durabletest.0.dlq"));
    admin.deleteQueue("xdbustest.teststream.tap:stream:durabletest.0.dlq");
    admin.deleteQueue("xdbustest.teststream.tap:stream:durabletest.0");
    admin.deleteExchange("xdbustest.topic.tap:stream:durabletest.0");
    admin.deleteExchange("xdbustest.DLX");
}

---

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

@Test
public void testNonDurablePubSubWithAutoBindDLQ() throws Exception {
    RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());

    MessageBus bus = getMessageBus();//from w w  w  .j a v  a 2  s . c  o  m
    Properties properties = new Properties();
    properties.put("prefix", "xdbustest.");
    properties.put("autoBindDLQ", "true");
    properties.put("durableSubscription", "false");
    properties.put("maxAttempts", "1"); // disable retry
    properties.put("requeue", "false");
    DirectChannel moduleInputChannel = new DirectChannel();
    moduleInputChannel.setBeanName("nondurabletest");
    moduleInputChannel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            throw new RuntimeException("foo");
        }

    });
    bus.bindPubSubConsumer("teststream.tap:stream:nondurabletest.0", moduleInputChannel, properties);

    bus.unbindConsumer("teststream.tap:stream:nondurabletest.0", moduleInputChannel);
    assertNull(admin.getQueueProperties("xdbustest.teststream.tap:stream:nondurabletest.0.dlq"));
    admin.deleteQueue("xdbustest.teststream.tap:stream:nondurabletest.0");
    admin.deleteExchange("xdbustest.topic.tap:stream:nondurabletest.0");
}

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

@Test
public void testAutoBindDLQ() throws Exception {
    RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());

    MessageBus bus = getMessageBus();/*from w  w w  .  j  a  v  a 2  s  .c o  m*/
    Properties properties = new Properties();
    properties.put("prefix", "xdbustest.");
    properties.put("autoBindDLQ", "true");
    properties.put("maxAttempts", "1"); // disable retry
    properties.put("requeue", "false");
    DirectChannel moduleInputChannel = new DirectChannel();
    moduleInputChannel.setBeanName("dlqTest");
    moduleInputChannel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            throw new RuntimeException("foo");
        }

    });
    bus.bindConsumer("dlqtest", moduleInputChannel, properties);

    RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
    template.convertAndSend("", "xdbustest.dlqtest", "foo");

    int n = 0;
    while (n++ < 100) {
        Object deadLetter = template.receiveAndConvert("xdbustest.dlqtest.dlq");
        if (deadLetter != null) {
            assertEquals("foo", deadLetter);
            break;
        }
        Thread.sleep(100);
    }
    assertTrue(n < 100);

    bus.unbindConsumer("dlqtest", moduleInputChannel);
    admin.deleteQueue("xdbustest.dlqtest.dlq");
    admin.deleteQueue("xdbustest.dlqtest");
    admin.deleteExchange("xdbustest.DLX");
}

---

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

@Test
public void testAutoBindDLQwithRepublish() throws Exception {
    // pre-declare the queue with dead-lettering, users can also use a policy
    RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());
    Map<String, Object> args = new HashMap<String, Object>();
    args.put("x-dead-letter-exchange", "xdbustest.DLX");
    Queue queue = new Queue("xdbustest.dlqpubtest", true, false, false, args);
    admin.declareQueue(queue);/*from   ww w  . jav  a2 s. c om*/

    MessageBus bus = getMessageBus();
    Properties properties = new Properties();
    properties.put("prefix", "xdbustest.");
    properties.put("autoBindDLQ", "true");
    properties.put("republishToDLQ", "true");
    properties.put("maxAttempts", "1"); // disable retry
    properties.put("requeue", "false");
    DirectChannel moduleInputChannel = new DirectChannel();
    moduleInputChannel.setBeanName("dlqPubTest");
    moduleInputChannel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            throw new RuntimeException("foo");
        }

    });
    bus.bindConsumer("dlqpubtest", moduleInputChannel, properties);

    RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
    template.convertAndSend("", "xdbustest.dlqpubtest", "foo");

    int n = 0;
    while (n++ < 100) {
        org.springframework.amqp.core.Message deadLetter = template.receive("xdbustest.dlqpubtest.dlq");
        if (deadLetter != null) {
            assertEquals("foo", new String(deadLetter.getBody()));
            assertNotNull(deadLetter.getMessageProperties().getHeaders().get("x-exception-stacktrace"));
            break;
        }
        Thread.sleep(100);
    }
    assertTrue(n < 100);

    bus.unbindConsumer("dlqpubtest", moduleInputChannel);
    admin.deleteQueue("xdbustest.dlqpubtest.dlq");
    admin.deleteQueue("xdbustest.dlqpubtest");
    admin.deleteExchange("xdbustest.DLX");
}

---

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

@Test
public void testAutoBindDLQ() throws Exception {
    // pre-declare the queue with dead-lettering, users can also use a policy
    RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());
    Map<String, Object> args = new HashMap<String, Object>();
    args.put("x-dead-letter-exchange", "xdbustest.DLX");
    Queue queue = new Queue("xdbustest.dlqtest", true, false, false, args);
    admin.declareQueue(queue);//from  ww w . j  a  v a 2  s.c  o m

    MessageBus bus = getMessageBus();
    Properties properties = new Properties();
    properties.put("prefix", "xdbustest.");
    properties.put("autoBindDLQ", "true");
    properties.put("maxAttempts", "1"); // disable retry
    properties.put("requeue", "false");
    DirectChannel moduleInputChannel = new DirectChannel();
    moduleInputChannel.setBeanName("dlqTest");
    moduleInputChannel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            throw new RuntimeException("foo");
        }

    });
    bus.bindConsumer("dlqtest", moduleInputChannel, properties);

    RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
    template.convertAndSend("", "xdbustest.dlqtest", "foo");

    int n = 0;
    while (n++ < 100) {
        Object deadLetter = template.receiveAndConvert("xdbustest.dlqtest.dlq");
        if (deadLetter != null) {
            assertEquals("foo", deadLetter);
            break;
        }
        Thread.sleep(100);
    }
    assertTrue(n < 100);

    bus.unbindConsumer("dlqtest", moduleInputChannel);
    admin.deleteQueue("xdbustest.dlqtest.dlq");
    admin.deleteQueue("xdbustest.dlqtest");
    admin.deleteExchange("xdbustest.DLX");
}

---

From source file:org.springframework.xd.shell.command.JobCommandTests.java

@Test
public void testLaunchJobTwiceWhereMakeUniqueIsFalse() throws Exception {
    logger.info("Launch batch job (makeUnique=false) twice");
    String jobName = generateJobName();
    // Batch 3.0 requires at least one parameter to reject duplicate executions of an instance
    String myJobParams = "{\"-param(long)\":\"12345\"}";
    JobParametersHolder.reset();//from w  w  w  .  j a v a 2  s .com
    final JobParametersHolder jobParametersHolder = new JobParametersHolder();

    executeJobCreate(jobName, JOB_WITH_PARAMETERS_DESCRIPTOR + " --makeUnique=false");
    checkForJobInList(jobName, JOB_WITH_PARAMETERS_DESCRIPTOR + " --makeUnique=false", true);
    executeJobLaunch(jobName, myJobParams);
    assertTrue("The countdown latch expired and did not count down.", jobParametersHolder.isDone());

    final SynchronousQueue<Message<?>> rendezvous = new SynchronousQueue<Message<?>>();
    MessageHandler handler = new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            rendezvous.add(message);
        }
    };
    getErrorChannel().subscribe(handler);
    executeCommand("job launch --name " + jobName + " --params " + myJobParams);
    Message<?> error = rendezvous.poll(5, TimeUnit.SECONDS);
    getErrorChannel().unsubscribe(handler);
    assertNotNull("expected an error message", error);
    Object payload = error.getPayload();
    assertTrue("payload should be a MessagingException", payload instanceof MessagingException);
    assertEquals(JobInstanceAlreadyCompleteException.class,
            ((MessagingException) payload).getCause().getClass());
}

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