Example usage for com.rabbitmq.client ConnectionFactory newConnection

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:dummyloanbroker.DummyLoanBroker.java

public static void main(String[] args) throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("student");
    factory.setPassword("cph");
    com.rabbitmq.client.Connection connection = factory.newConnection();
    com.rabbitmq.client.Channel channel = connection.createChannel();
    String corrId = java.util.UUID.randomUUID().toString();

    LoanRequestDTO loanRequest = new LoanRequestDTO("123456-7890", 456289.0, 25, -1);

    Gson gson = new Gson();

    String message = gson.toJson(loanRequest);

    AMQP.BasicProperties props = new AMQP.BasicProperties.Builder().correlationId(corrId).build();
    channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);

    channel.basicPublish("", TASK_QUEUE_NAME, props, message.getBytes());

    channel.close();/*  ww w .j  a v a  2 s  .c  om*/
    connection.close();
}

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From source file:edu.iit.rabbitmq.Queue.java

/**
 *
 * @return/*from   w  ww.  j a va  2  s  .  c  om*/
 */
protected Channel getChannel() {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(RABBITMQ);
    Channel channel = null;
    try {
        Connection connection = factory.newConnection();
        channel = connection.createChannel();
        channel.queueDeclare(QUEUENAME, false, false, false, null);
    } catch (Exception e) {
        System.out.println("Queue already exists, moving on");
    }
    return channel;
}

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From source file:edu.iit.rabbitmq.Send.java

/**
 *
 * @param message//  ww w .  ja va2  s .co m
 * @throws Exception
 */
public void sendMessage(String message) throws Exception {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(RABBITMQ);
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    try {
        channel.queueDeclare(QUEUENAME, false, false, false, null);
    } catch (Exception e) {
        System.out.println("Queue already exists, moving on");
    }

    channel.basicPublish("", QUEUENAME, null, message.getBytes("UTF-8"));
    System.out.println(" [x] Sent '" + message + "'");

    channel.close();
    connection.close();
}

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From source file:edu.iu.messaging.service.core.impl.RabbitMQPublisher.java

License:Apache License

private void connect() {
    try {//  www.  jav a2s.co  m
        logger.info("connect() -> Connecting to server");
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setUri(properties.getBrokerUrl());
        connectionFactory.setAutomaticRecoveryEnabled(properties.isAutoRecoveryEnable());
        connection = connectionFactory.newConnection();
        connection.addShutdownListener(new ShutdownListener() {
            public void shutdownCompleted(ShutdownSignalException cause) {
            }
        });

        channel = connection.createChannel();

        /*
        Not required for work queue implementation
         */
        //channel.basicQos(properties.getPrefetchCount());
        //channel.exchangeDeclare(properties.getExchangeName(), properties.getExchangeType(), true);

    } catch (Exception e) {
        logger.error("connect() -> Error connecting to server.", e);
    }

}

---

From source file:edu.iu.messaging.service.core.impl.RabbitMQSubscriber.java

License:Apache License

private void createConnection() {
    try {//from www  .j a  v a 2  s  .c  o m
        logger.info("createConnection() -> Connecting to server");
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setUri(properties.getBrokerUrl());
        connectionFactory.setAutomaticRecoveryEnabled(properties.isAutoRecoveryEnable());
        connection = connectionFactory.newConnection();
        addShutdownListener();
        channel = connection.createChannel();

        /*
        Not required for work queue implementation
         */
        //channel.basicQos(Constants.PREFETCH_COUT);
        //channel.exchangeDeclare(properties.getExchangeName(), properties.getExchangeType(), true);

    } catch (Exception e) {
        logger.error("createConnection() -> Error connecting to server.", e);
    }
}

---

From source file:edu.kit.dama.mdm.audit.impl.RabbitMQPublisher.java

License:Apache License

@Override
public boolean initialize() {
    boolean result = false;
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(hostname);//from w  w  w  . ja  va  2  s . c o  m
    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
        LOGGER.debug("Declaring exchange of type 'topic' in publisher.");
        channel.exchangeDeclare(exchangeName, "topic", true, false, false, null);
        LOGGER.debug("Declaring queue.");
        String queueName = channel.queueDeclare().getQueue();
        LOGGER.debug("Binding queue with name {} to exchange.", queueName);
        channel.queueBind(queueName, exchangeName, "");
        result = true;
    } catch (IOException | TimeoutException ex) {
        LOGGER.error("Failed to initialize RabbitMQPublisher.", ex);
    }
    return result;
}

---

From source file:edu.kit.dama.mdm.audit.servlet.RabbitMQInitializerListener.java

License:Apache License

@Override
public void contextInitialized(ServletContextEvent sce) {
    loadConfiguration();//from  ww w . j a v a 2  s .com

    if (!CONFIGURED) {
        LOGGER.warn("Skipping initialization of RabbitMQ consumer.");
        return;
    }

    try {
        LOGGER.debug("Intitializing RabbitMQ consumer.");
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(hostname);
        connection = factory.newConnection();
        channel = connection.createChannel();
        LOGGER.debug("Declaring topic based exchange with name '{}'", exchange);
        channel.exchangeDeclare(exchange, "topic", true);
        String queueName = channel.queueDeclare().getQueue();
        LOGGER.debug("Using queue with name '{}'. Binding queue to exchange.", queueName);
        channel.queueBind(queueName, exchange, "audit.*");
        LOGGER.debug("Queue bound to exchange with filter 'audit.*'. Starting consumer.");

        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");
                try {
                    LOGGER.debug("Handling new audit event.");
                    AuditEvent event = AuditEvent.fromJson(message);
                    LOGGER.debug("Submitting event to attached consumers.");
                    for (AbstractAuditConsumer consumer : AuditManager.getInstance().getConsumers()) {
                        consumer.consume(event);
                    }
                    LOGGER.debug("Event submitted to all consumers.");
                } catch (FormatException ex) {
                    LOGGER.error("Failed to consume audit event from message '" + message + "'", ex);
                }
            }
        };
        channel.basicConsume(queueName, true, consumer);
        LOGGER.debug("RabbitMQ consumer successfully initialized.");
    } catch (IOException | TimeoutException ex) {
        LOGGER.error("Failed to initialize RabbitMQ audit distributor.", ex);
    }
}

---

From source file:edu.kit.dama.util.test.RabbitMQReceiver.java

License:Apache License

public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {

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

    channel.exchangeDeclare(EXCHANGE_NAME, "topic", true);
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, EXCHANGE_NAME, "audit.*");

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

    /*  final Consumer consumer = new DefaultConsumer(channel) {
    @Override/*from   w w w . j a  va 2 s .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 + "'");
    try {
      doWork(message);
    } finally {
      System.out.println(" [x] Done");
      channel.basicAck(envelope.getDeliveryTag(), false);
    }
    }
    };
    channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
    }*/
    /*   QueueingConsumer consumer = new QueueingConsumer(channel);
            
           /*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 + "'");
    }
           };*/
    /*channel.basicConsume(queueName, true, consumer);
           QueueingConsumer.Delivery delivery = consumer.nextDelivery(10000);
           if (delivery != null) {
    byte[] message = delivery.getBody();
    System.out.println("MESS " + new String(message));
           }*/
    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 + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);

    // System.exit(0);
}

---

From source file:edu.kit.dama.util.test.RabbitMQTest.java

License:Apache License

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

    channel.exchangeDeclare(EXCHANGE_NAME, "fanout", true, false, false, null);
    //channel.queueDeclare(QUEUE_NAME, true, false, false, null);
    /*String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, EXCHANGE_NAME, "");*/

    String message = "Hello!";

    channel.basicPublish(EXCHANGE_NAME, "", MessageProperties.MINIMAL_PERSISTENT_BASIC, message.getBytes());
    System.out.println(" [x] Sent '" + message + "'");

    channel.close();/* w  w w  . ja  va2 s.  c o  m*/
    connection.close();

}

---

From source file:es.devcircus.rabbitmq_examples.rabbitmq_hello_world.Recv.java

License:Open Source License

/**
 * /*w  ww. j a v  a 2s.  c o m*/
 * @param argv
 * @throws Exception 
 */
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");

    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(QUEUE_NAME, true, consumer);

    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String message = new String(delivery.getBody());
        System.out.println(" [x] Received '" + message + "'");
    }
}

---

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