Example usage for com.rabbitmq.client Connection createChannel

List of usage examples for com.rabbitmq.client Connection createChannel

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Introduction

In this page you can find the example usage for com.rabbitmq.client Connection createChannel.

Prototype

Channel createChannel() throws IOException;

Source Link

Document

Create a new channel, using an internally allocated channel number.

Usage

From source file:ch.icclab.cyclops.consume.ConsumerEntry.java

License:Open Source License

public ConsumerEntry(AbstractConsumer cl, Connection con, String q, int p) throws Exception {
    clazz = cl;// ww  w . jav a 2 s.  c o  m
    queue = q;
    prefetch = p;

    // create channel and declare queues
    channel = con.createChannel();
    channel.queueDeclare(queue, true, false, false, null);

    // create consumer
    consumer = clazz.handleDelivery(this);

    // set prefetch limit
    channel.basicQos(prefetch, false);

    // start consuming and save the tag
    tag = channel.basicConsume(queue, false, consumer);
}

From source file:co.edu.uniandes.cloud.simuladorcredito.negocio.Process.java

public void procesar() {

    ConnectionFactory factory = new ConnectionFactory();
    try {/*w  w  w .j  a  v a 2  s  .c  om*/
        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:co.lp.arch.TestUtils.java

static void spawnThreadWithNewChannel(ConnectionFactory factory, ConsumeWithEx<Channel> f) {
    new Thread(() -> {
        try {/*from   w ww  .  ja va 2 s  .c om*/
            Connection conn = factory.newConnection();
            Channel chan = conn.createChannel();
            f.accept(chan);
            chan.close();
            conn.close();
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }).start();
}

From source file:Colas.Colas.java

private String reciver(String enviar) {
    try {/*ww w .  j  a  v  a 2 s .com*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(IP);
        factory.setPort(5672);
        factory.setUsername("valencia");
        factory.setPassword("admin123");

        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        channel.queueDeclare("SC", false, false, false, null);

        channel.basicPublish("", "SC", null, enviar.getBytes());
        System.out.println(" [x] Sent '" + enviar + "'");
        channel.close();
        connection.close();
    } catch (Exception e) {
        System.out.println("Error enviando ");
        e.printStackTrace();
    }
    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        factory.setUsername("guest");
        factory.setPassword("admin123");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.queueDeclare("CF", false, false, false, null);
        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume("CF", true, consumer);
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            System.out.println(" [x] Received '" + message + "'");
            return message;

        }
    } catch (Exception e) {
        System.out.println("Error reciviendo ");
        e.printStackTrace();
    }
    return "Error";

}

From source file:Colas.Colas.java

private void sender(String string) {
    try {//w  ww. j  a v a  2 s  .c  om
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        factory.setPort(5672);
        factory.setUsername("valencia");
        factory.setPassword("admin123");

        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        channel.queueDeclare("SC", false, false, false, null);

        channel.basicPublish("", "SC", null, string.getBytes());
        System.out.println(" [x] Sent '" + string + "'");
        channel.close();
        connection.close();
    } catch (Exception e) {
        System.out.println("Error enviando ");
        e.printStackTrace();
    }
}

From source file:Colas.Colas.java

@Override
public void run() {
    try {/*from   w w w .j a  va 2s  . c  o  m*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        factory.setUsername("guest");
        factory.setPassword("admin123");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.queueDeclare("CF", false, false, false, null);
        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume("CF", true, consumer);
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            System.out.println(" [x] Received '" + message + "'");
            String[] resp = message.split(";");
            String p = resp[0];
            if (p.equals("Q1")) {
                pregunta1(resp[1]);
            }
            if (p.equals("Q2")) {
                pregunta2(resp[1]);
            }
            if (p.equals("Q3")) {
                pregunta3(resp[1]);
            }
            if (p.equals("Q4")) {
                pregunta4(resp[1]);
            }

        }
    } catch (Exception e) {
        System.out.println("Error reciviendo ");
        e.printStackTrace();
    }
}

From source file:com.addthis.hydra.job.minion.Minion.java

License:Apache License

private synchronized boolean connectToRabbitMQ() {
    String[] routingKeys = { uuid, HostMessage.ALL_HOSTS };
    batchControlProducer = new RabbitMessageProducer("CSBatchControl", batchBrokerAddresses,
            batchBrokerUsername, batchBrokerPassword);
    queryControlProducer = new RabbitMessageProducer("CSBatchQuery", batchBrokerAddresses, batchBrokerUsername,
            batchBrokerPassword);//from   w  w w . j av a 2  s.  com
    try {
        Connection connection = RabbitMQUtil.createConnection(batchBrokerAddresses, batchBrokerUsername,
                batchBrokerPassword);
        channel = connection.createChannel();
        channel.exchangeDeclare("CSBatchJob", "direct");
        AMQP.Queue.DeclareOk result = channel.queueDeclare(uuid + ".batchJob", true, false, false, null);
        String queueName = result.getQueue();
        channel.queueBind(queueName, "CSBatchJob", uuid);
        channel.queueBind(queueName, "CSBatchJob", HostMessage.ALL_HOSTS);
        batchJobConsumer = new RabbitQueueingConsumer(channel);
        channel.basicConsume(queueName, false, batchJobConsumer);
        batchControlConsumer = new RabbitMessageConsumer(channel, "CSBatchControl", uuid + ".batchControl",
                Minion.this, routingKeys);
        return true;
    } catch (IOException e) {
        log.error("Error connecting to rabbitmq at {}", batchBrokerAddresses, e);
        return false;
    }
}

From source file:com.addthis.hydra.job.Minion.java

License:Apache License

private synchronized boolean connectToRabbitMQ() {
    String[] routingKeys = new String[] { uuid, HostMessage.ALL_HOSTS };
    batchControlProducer = new RabbitMessageProducer("CSBatchControl", batchBrokerHost,
            Integer.valueOf(batchBrokerPort));
    queryControlProducer = new RabbitMessageProducer("CSBatchQuery", batchBrokerHost,
            Integer.valueOf(batchBrokerPort));
    try {/*from   ww w.j  av  a  2 s .  co  m*/
        Connection connection = RabbitMQUtil.createConnection(batchBrokerHost,
                Integer.valueOf(batchBrokerPort));
        channel = connection.createChannel();
        channel.exchangeDeclare("CSBatchJob", "direct");
        AMQP.Queue.DeclareOk result = channel.queueDeclare(uuid + ".batchJob", true, false, false, null);
        String queueName = result.getQueue();
        channel.queueBind(queueName, "CSBatchJob", uuid);
        channel.queueBind(queueName, "CSBatchJob", HostMessage.ALL_HOSTS);
        batchJobConsumer = new RabbitQueueingConsumer(channel);
        channel.basicConsume(queueName, false, batchJobConsumer);
        batchControlConsumer = new RabbitMessageConsumer(channel, "CSBatchControl", uuid + ".batchControl",
                this, routingKeys);
        return true;
    } catch (IOException e) {
        log.error("Error connecting to rabbitmq " + batchBrokerHost + ":" + batchBrokerPort, e);
        return false;
    }
}

From source file:com.addthis.hydra.job.spawn.SpawnMQImpl.java

License:Apache License

@Override
public void connectToMQ(String hostUUID) throws IOException {
    final MessageListener<HostState> hostStateListener = SpawnMQImpl.this::onMessage;
    QuiesceOnRabbitMQBlockedListener blockedListener = new QuiesceOnRabbitMQBlockedListener(spawn);
    hostStatusConsumer = new ZkMessageConsumer<>(zkClient, "/minion", hostStateListener, HostState.class);
    batchJobProducer = RabbitMessageProducer.constructAndOpen("CSBatchJob", batchBrokeAddresses,
            batchBrokerUsername, batchBrokerPassword, blockedListener);
    batchControlProducer = RabbitMessageProducer.constructAndOpen("CSBatchControl", batchBrokeAddresses,
            batchBrokerUsername, batchBrokerPassword, blockedListener);
    Connection connection = RabbitMQUtil.createConnection(batchBrokeAddresses, batchBrokerUsername,
            batchBrokerPassword);/*from w w  w. ja v a  2  s .c  o  m*/
    channel = connection.createChannel();
    batchControlConsumer = new RabbitMessageConsumer<>(channel, "CSBatchControl",
            hostUUID + Minion.batchControlQueueSuffix, this, ImmutableList.of("SPAWN"), ImmutableList.of(),
            CoreMessage.class);
}

From source file:com.addthis.hydra.job.SpawnMQImpl.java

License:Apache License

@Override
public void connectToMQ(String hostUUID) {
    hostStatusConsumer = new ZkMessageConsumer<>(zkClient, "/minion", this, HostState.class);
    batchJobProducer = new RabbitMessageProducer("CSBatchJob", "localhost");
    batchControlProducer = new RabbitMessageProducer("CSBatchControl", batchBrokerHost,
            Integer.valueOf(batchBrokerPort));
    try {/* w  w w  .j  a  v  a 2  s. c om*/
        Connection connection = RabbitMQUtil.createConnection(batchBrokerHost,
                Integer.valueOf(batchBrokerPort));
        channel = connection.createChannel();
        batchControlConsumer = new RabbitMessageConsumer(channel, "CSBatchControl", hostUUID + ".batchControl",
                this, "SPAWN");
    } catch (IOException e) {
        log.error("Exception connection to broker: " + batchBrokerHost + ":" + batchBrokerPort, e);
    }
}