Example usage for com.rabbitmq.client ConnectionFactory newConnection

List of usage examples for com.rabbitmq.client ConnectionFactory newConnection

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Introduction

In this page you can find the example usage for com.rabbitmq.client ConnectionFactory newConnection.

Prototype

public Connection newConnection() throws IOException, TimeoutException

Source Link

Document

Create a new broker connection.

Usage

From source file:bog.processing.rabbit.RabbitListener.java

License:Open Source License

public void Listen(String exchange, String host, Map<String, Object> params, String like) {
    try {/*from   w  w w.jav  a2  s  .c o m*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(host);
        connection = factory.newConnection();
        channel = connection.createChannel();

        channel.queueDeclare(QUEUE_NAME, false, false, true, params);
        if (exchange != "") {
            channel.queueBind(QUEUE_NAME, exchange, ROUTING_KEY, params);
        }
        System.out.println(" [*] Waiting for messages...");
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(QUEUE_NAME, true, consumer);
        (new Thread(new ListenerThread(consumer, messages, like))).start();

    } catch (Exception e) {
        System.out.println(e);
    }
}

From source file:br.uff.labtempo.omcp.common.utils.RabbitComm.java

License:Apache License

public void connect() throws ConnectionException {
    if (connection == null || !connection.isOpen()) {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(this.host);

        if (this.user != null && this.pass != null) {
            factory.setUsername(this.user);
            factory.setPassword(this.pass);
        }//  w  w  w. j a  va  2 s.co m

        try {
            connection = factory.newConnection();

        } catch (Exception ex) {//IOException
            close();
            this.checkHostOrDie(host);
            throw new ConnectionException("Could not connect to RabbitMQ", ex);
        }
    } else {
        throw new ConnectionException("Already connected to RabbitMQ");
    }
}

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

License:Apache License

private Channel getAmqpChannel(RabbitBroker rabbit) throws Exception {
    String uri = rabbit.getAttribute(MessageBroker.BROKER_URL);
    LOG.warn("connecting to rabbit {}", uri);
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUri(uri);//  w  ww  .j  a v a2s  . c om
    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();
    return channel;
}

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

License:Apache License

private Channel getAmqpChannel(RabbitBroker rabbit) throws Exception {
    String uri = rabbit.getAttribute(MessageBroker.BROKER_URL);
    log.warn("connecting to rabbit {}", uri);
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUri(uri);//from   w  ww  .  ja  v a 2s .c  o  m
    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();
    return channel;
}

From source file:cc.gospy.core.remote.rabbitmq.RemoteScheduler.java

License:Apache License

private void init(ConnectionFactory factory) throws IOException, TimeoutException {
    connection = factory.newConnection();
    channel = connection.createChannel();
}

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

License:Open Source License

/**
 * Will return channel for RabbitMQ connection
 * @return channel reference or null//from  w w  w  .ja  v a  2  s .com
 */
private Channel getChannel() {
    // connect to the RabbitMQ based on settings from Load
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(credentials.getConsumerUsername());
    factory.setPassword(credentials.getConsumerPassword());
    factory.setHost(credentials.getConsumerHost());
    factory.setPort(credentials.getConsumerPort());
    factory.setVirtualHost(credentials.getConsumerVirtualHost());
    factory.setAutomaticRecoveryEnabled(true);

    Channel chan;

    try {
        // create new connection
        connection = factory.newConnection();

        // create/connect to the channel
        chan = connection.createChannel();

        logger.trace(String.format("RabbitMQ Consumer connected to %s:%d", credentials.getConsumerHost(),
                credentials.getConsumerPort()));

    } catch (Exception e) {
        logger.error(String.format("RabbitMQ Consumer couldn't be created: %s", e.getMessage()));
        connection = null;
        chan = null;
    }

    // return channel reference, or null
    return chan;
}

From source file:ch.icclab.cyclops.publish.RabbitMQPublisher.java

License:Open Source License

/**
 * Initialise connection to RabbitMQ// w  ww .java 2 s.c  o m
 * @return status
 */
private Boolean initialiseConnection() {
    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUsername(credentials.getPublisherUsername());
        factory.setPassword(credentials.getPublisherPassword());
        factory.setHost(credentials.getPublisherHost());
        factory.setPort(credentials.getPublisherPort());
        factory.setVirtualHost(credentials.getPublisherVirtualHost());
        factory.setAutomaticRecoveryEnabled(true);

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

        // declare exchange to be used (we want it to be durable and based on routing key)
        channel.exchangeDeclare(credentials.getPublisherDispatchExchange(), "direct", true);
        channel.exchangeDeclare(credentials.getPublisherBroadcastExchange(), "fanout", true);

        logger.trace(String.format("RabbitMQ Publisher connected to %s:%d", credentials.getPublisherHost(),
                credentials.getPublisherPort()));
        logger.trace(String.format(
                "RabbitMQ Publisher will dispatch to \"%s\" and broadcast to \"%s\" exchanges",
                credentials.getPublisherDispatchExchange(), credentials.getPublisherBroadcastExchange()));

        return true;
    } catch (Exception e) {
        logger.error(String.format("RabbitMQ Publisher couldn't be created: %s", e.getMessage()));
        return false;
    }
}

From source file:ch.icclab.cyclops.rabbitmq.RabbitMQAbstract.java

License:Open Source License

/**
 * Will return channel for RabbitMQ connection
 * @return channel reference or null/*from ww w .  j  a v  a 2 s.c  o m*/
 */
protected Channel getChannel() {
    // connect to the RabbitMQ based on settings from Load
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(credentials.getRabbitMQUsername());
    factory.setPassword(credentials.getRabbitMQPassword());
    factory.setHost(credentials.getRabbitMQHost());
    factory.setPort(credentials.getRabbitMQPort());
    factory.setVirtualHost(credentials.getRabbitMQVirtualHost());

    Channel chan;

    try {

        logger.trace("Creating connection to RabbitMQ for host: " + credentials.getRabbitMQHost()
                + " and port: " + credentials.getRabbitMQPort());

        // create new connection
        connection = factory.newConnection();

        logger.trace("Creating and connecting to RabbitMQ channel");

        // create/connect to the channel
        chan = connection.createChannel();

    } catch (Exception ex) {
        logger.error("Couldn't start Rabbit MQ: " + ex.getMessage());
        connection = null;
        chan = null;
    }

    // return channel reference, or null
    return chan;
}

From source file:ch.icclab.cyclops.usecases.mcn.rabbitMQClient.McnRabbitMQClient.java

License:Open Source License

/**
 * Will return channel for RabbitMQ connection
 *
 * @return channel reference or null/*ww w.  j  av  a2  s .com*/
 */
private Channel getChannel() {
    // connect to the RabbitMQ based on settings from Load
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(rabbitMQSettings.getRabbitMQUsername());
    factory.setPassword(rabbitMQSettings.getRabbitMQPassword());
    factory.setVirtualHost(rabbitMQSettings.getRabbitMQVirtualHost());
    factory.setHost(rabbitMQSettings.getRabbitMQHost());
    factory.setPort(rabbitMQSettings.getRabbitMQPort());
    try {
        // create new connection
        connection = factory.newConnection();

        // create/connect to the channel
        channel = connection.createChannel();
        channel.queueDeclare(queueName, true, false, false, null);
    } catch (Exception ex) {
        logger.error("Couldn't start Rabbit MQ: " + ex.getMessage());
        ex.printStackTrace();
    }

    // return channel reference, or null
    return channel;
}

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

public void procesar() {

    ConnectionFactory factory = new ConnectionFactory();
    try {//w  w w .  j av a  2s. co  m
        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");
        */

}