Example usage for com.rabbitmq.client Channel basicConsume

Introduction

In this page you can find the example usage for com.rabbitmq.client Channel basicConsume.

Prototype

String basicConsume(String queue, boolean autoAck, Consumer callback) throws IOException;

Source Link

Document

Start a non-nolocal, non-exclusive consumer, with a server-generated consumerTag.

Usage

From source file:Process.java

public void procesar() {
    System.out.println("Paso2");
    ConnectionFactory factory = new ConnectionFactory();
    try {//from w w w  .j  a v  a 2s. com
        System.out.println("Paso3");
        factory.setUri(uri);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume("hello", true, consumer);

        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String mensaje = new String(delivery.getBody());
            System.out.println(" [x] Received '" + mensaje + "'");
            System.out.println("Procesando..." + mensaje + "-" + Calendar.getInstance());
            PlanPago pp = dao.leer(new Long(mensaje));
            if (pp.getLinea() != null) {
                //generar cuota
                List<Cuota> cuotas = aa.generarCuotas(pp.getValor(), pp.getLinea().getTasa(), pp.getPlazo());
                pp.setCuotas(cuotas);
                //calcular nivel de riesgo
                pp.setNivelRiesgo(calcularNivelRiesgo());
                pp.setEstado("Generado");
                //guardar cuota
                dao.actualizar(pp);
                for (Cuota c : pp.getCuotas()) {
                    c.setIdPlan(pp.getId());
                }
                dao2.insertar(pp.getCuotas());
            }
            System.out.println("Finalizo " + mensaje + "-" + Calendar.getInstance());

        }

    } catch (URISyntaxException ex) {
        Logger.getLogger(Process.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(Process.class.getName()).log(Level.SEVERE, null, ex);
    } catch (KeyManagementException ex) {
        Logger.getLogger(Process.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(Process.class.getName()).log(Level.SEVERE, null, ex);
    } catch (InterruptedException ex) {
        Logger.getLogger(Process.class.getName()).log(Level.SEVERE, null, ex);
    }

    //listenerContainer.setConnectionFactory(rabbitConnectionFactory);
    //listenerContainer.setQueueNames(rabbitQueue.getName());

    // set the callback for message handling
    /*listenerContainer.setMessageListener(new MessageListener() {
    public void onMessage(Message message) {
        final String mensaje = (String) messageConverter.fromMessage(message);
                
        // simply printing out the operation, but expensive computation could happen here
        System.out.println("Received from RabbitMQ: " + mensaje);
                
    }
    });
            
    // set a simple error handler
    /*listenerContainer.setErrorHandler(new ErrorHandler() {
    public void handleError(Throwable t) {
        t.printStackTrace();
    }
    });
            
    // register a shutdown hook with the JVM
    Runtime.getRuntime().addShutdownHook(new Thread() {
    @Override
    public void run() {
        System.out.println("Shutting down BigOperationWorker");
        listenerContainer.shutdown();
    }
    });
            
    // start up the listener. this will block until JVM is killed.
    listenerContainer.start();
    System.out.println("BigOperationWorker started");
        */

}

---

From source file:Rece.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(QUEUE_NAME, true, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {
        @Override//from  w w  w.j a v  a  2s . co m
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println(" [x] Received '" + message + "'");
        }
    };
    channel.basicConsume(QUEUE_NAME, true, consumer);
}

---

From source file:RecieveMessage.java

public static void main(String[] argv) throws Exception {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(QUEUE_NAME, false, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
    Consumer consumer = new DefaultConsumer(channel) {
        //@Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println(" [x] Received '" + message + "'");
        }//from  w  w w  .  jav a 2  s.  c om
    };
    channel.basicConsume(QUEUE_NAME, true, consumer);
}

---

From source file:ThreadWorkers.java

public void run() {
    System.out.println("MyThread running");

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = null;
    try {// w  w w.ja  v a 2  s  . c  o  m
        connection = factory.newConnection();
    } catch (IOException ex) {
        Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
    }
    Channel channel = null;
    try {
        channel = connection.createChannel();
    } catch (IOException ex) {
        Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
    }

    try {
        channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
    } catch (IOException ex) {
        Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
    }
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    try {
        channel.basicQos(1);
    } catch (IOException ex) {
        Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
    }

    QueueingConsumer consumer = new QueueingConsumer(channel);
    try {
        channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
    } catch (IOException ex) {
        Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
    }

    while (true) {
        QueueingConsumer.Delivery delivery = null;
        try {
            delivery = consumer.nextDelivery();
        } catch (InterruptedException ex) {
            Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ShutdownSignalException ex) {
            Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ConsumerCancelledException ex) {
            Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
        }
        String message = new String(delivery.getBody());

        System.out.println(" [x] Received '" + message + "'");
        try {

            doWork(message);
        } catch (InterruptedException ex) {
            Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
        }
        System.out.println(" [x] Done");

        try {
            channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
        } catch (IOException ex) {
            Logger.getLogger(ThreadWorkers.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

---

From source file:ReplyUtil.java

public void getReply() throws IOException, InterruptedException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(TASK_QUEUE_REPLY_NAME, true, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    channel.basicQos(1);//from  ww  w  .  ja v  a2  s .c o  m

    QueueingConsumer consumer2 = new QueueingConsumer(channel);
    channel.basicConsume(TASK_QUEUE_REPLY_NAME, false, consumer2);

    while (true) {
        QueueingConsumer.Delivery delivery = consumer2.nextDelivery();
        String message = new String(delivery.getBody());

        System.out.println(" [x] Receiving reply from worker::'" + message + "'");
        //doWork(message); 
        //System.out.println(" [x] Done" );

        channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);

    }

}

---

From source file:at.ac.tuwien.dsg.cloud.utilities.messaging.lightweight.rabbitMq.channel.ReceivingChannel.java

License:Apache License

private void reconnect() {
    if (shutdown.get()) {
        return;//from  w w w . j a v a2s  .c  o m
    }

    try {
        Thread.sleep(1000);
    } catch (InterruptedException ex) {
        return;
    }

    this.queueName = null;
    try {
        Channel channel = this.getChannel();

        this.queueName = channel.queueDeclare().getQueue();
        this.consumer = this.rabbitMqFactory.getQueueingConsumer(channel);
        channel.basicConsume(queueName, true, consumer);

        synchronized (types) {
            for (String type : types) {
                this.internalBindType(type);
            }
        }
    } catch (ChannelException | IOException | IllegalStateException ex) {
        this.reconnect();
    }
}

---

From source file:bank.OurRabbitBank.java

public static void main(String[] args) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, ExchangeName.GLOBAL, RoutingKeys.OUR_JSON_BANK);

    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, true, consumer);
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        AMQP.BasicProperties properties = delivery.getProperties();
        String message = new String(delivery.getBody());

        Gson g = new Gson();

        Message msg = g.fromJson(message, Message.class);

        System.out.println(" [x] Received '" + message + "'");

        sendToNormalizer(msg, properties);
    }/*from   w  w w . ja v  a2  s  .c om*/
}

---

From source file:blocker.Blocker.java

/**
 * @param argv/*from  ww w  .  ja v  a2  s.  c o  m*/
 */
public static void main(String[] argv) throws Exception {
    seconds = Integer.parseInt(argv[7]);
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(argv[0]);
    factory.setUsername(argv[2]);
    factory.setPassword(argv[3]);
    factory.setVirtualHost(argv[1]);
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(argv[4], "direct", true);
    String queueName = channel.queueDeclare(argv[5], true, false, false, null).getQueue();

    //                          exchange  key
    channel.queueBind(queueName, argv[4], argv[6]);

    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            JSONParser parser = new JSONParser();

            Thread.UncaughtExceptionHandler h = new Thread.UncaughtExceptionHandler() {
                @Override
                public void uncaughtException(Thread th, Throwable ex) {
                    System.out.println("Uncaught exception: " + ex);
                }
            };

            try {
                Object obj = parser.parse(message);
                JSONObject jobj = (JSONObject) obj;
                String IP = (String) jobj.get("clientip");
                Thread t = new Thread(new BlockerThread(IP));
                t.setUncaughtExceptionHandler(h);
                t.start();
            } catch (ParseException ex) {
                Logger.getLogger(Blocker.class.getName()).log(Level.SEVERE, null, ex);
            }
        }

    };
    channel.basicConsume(argv[5], true, consumer);
}

---

From source file:brooklyn.entity.messaging.rabbit.RabbitEc2LiveTest.java

License:Apache License

@Override
protected void doTest(Location loc) throws Exception {
    RabbitBroker rabbit = app.createAndManageChild(EntitySpec.create(RabbitBroker.class));
    rabbit.start(ImmutableList.of(loc));
    EntityTestUtils.assertAttributeEqualsEventually(rabbit, RabbitBroker.SERVICE_UP, true);

    byte[] content = "MessageBody".getBytes(Charsets.UTF_8);
    String queue = "queueName";
    Channel producer = null;// www. java  2s  . c om
    Channel consumer = null;
    try {
        producer = getAmqpChannel(rabbit);
        consumer = getAmqpChannel(rabbit);

        producer.queueDeclare(queue, true, false, false, Maps.<String, Object>newHashMap());
        producer.queueBind(queue, AmqpExchange.DIRECT, queue);
        producer.basicPublish(AmqpExchange.DIRECT, queue, null, content);

        QueueingConsumer queueConsumer = new QueueingConsumer(consumer);
        consumer.basicConsume(queue, true, queueConsumer);

        QueueingConsumer.Delivery delivery = queueConsumer.nextDelivery();
        assertEquals(delivery.getBody(), content);
    } finally {
        if (producer != null)
            producer.close();
        if (consumer != null)
            consumer.close();
    }
}

---

From source file:brooklyn.entity.messaging.rabbit.RabbitIntegrationTest.java

License:Apache License

/**
 * Test that an AMQP client can connect to and use the broker.
 *///from   www  . j a  v a  2  s .c  o m
@Test(groups = { "Integration", "WIP" })
public void testClientConnection() throws Exception {
    rabbit = app.createAndManageChild(EntitySpec.create(RabbitBroker.class));
    rabbit.start(ImmutableList.of(testLocation));
    EntityTestUtils.assertAttributeEqualsEventually(rabbit, Startable.SERVICE_UP, true);

    byte[] content = "MessageBody".getBytes(Charsets.UTF_8);
    String queue = "queueName";
    Channel producer = null;
    Channel consumer = null;
    try {
        producer = getAmqpChannel(rabbit);
        consumer = getAmqpChannel(rabbit);

        producer.queueDeclare(queue, true, false, false, ImmutableMap.<String, Object>of());
        producer.queueBind(queue, AmqpExchange.DIRECT, queue);
        producer.basicPublish(AmqpExchange.DIRECT, queue, null, content);

        QueueingConsumer queueConsumer = new QueueingConsumer(consumer);
        consumer.basicConsume(queue, true, queueConsumer);

        QueueingConsumer.Delivery delivery = queueConsumer.nextDelivery(60 * 1000l); // one minute timeout
        assertEquals(delivery.getBody(), content);
    } finally {
        closeSafely(producer, 10 * 1000);
        closeSafely(consumer, 10 * 1000);
    }
}

---

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