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:dk.getcreditscore.messaging.Send.java

public static void sendMessage(String message) throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("student");
    factory.setPassword("cph");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);

    channel.basicPublish("", TASK_QUEUE_NAME, MessageProperties.PERSISTENT_TEXT_PLAIN, message.getBytes());

    channel.close();/*  ww  w.j av  a2s  . c om*/
    connection.close();
}

From source file:dreamteamjson.DreamTeamJSON.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException//from   www  .  ja va  2  s  . com
 */
public static void main(String[] args) throws IOException {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");
    Connection connection = factory.newConnection();
    Channel listeningChannel = connection.createChannel();
    Channel sendingChannel = connection.createChannel();

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

    Consumer consumer = new DefaultConsumer(listeningChannel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            message = new String(body, "UTF-8");
            System.out.println(" [x] Received '" + message + "'");

            Message m = gson.fromJson(message, Message.class);
            System.out.println(m.toString());

            double interestRate = 14;

            if (m.creditScore > 600) {
                interestRate -= 4.5;
            } else if (m.creditScore < 601 && m.creditScore > 500) {
                interestRate -= 2.7;
            } else if (m.creditScore < 501 && m.creditScore > 400) {
                interestRate -= 0.9;
            }

            int durationCut = m.loanDuration / 360;

            interestRate -= (durationCut * 0.18);

            double amountCut = m.loanAmount / 100000;

            interestRate -= (amountCut * 0.18);

            // Insert bank logic

            String loanResponse = "{\"interestRate\":" + interestRate + ",\"ssn\":" + m.ssn + "}";

            sendingChannel.queueDeclare(SENDING_QUEUE_NAME, false, false, false, null);
            sendingChannel.basicPublish("", SENDING_QUEUE_NAME, null, loanResponse.getBytes());
        }
    };
    listeningChannel.basicConsume(LISTENING_QUEUE_NAME, true, consumer);

}

From source file:dreamteamxmltranslator.Translator.java

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

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(LISTENING_QUEUE_NAME, false, false, false, null);
    channel.queueBind(LISTENING_QUEUE_NAME, EXCHANGE_NAME, "DreamTeamBankXML");

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

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

                String[] arr = message.split(",");
                tester(arr);
            } catch (IOException_Exception ex) {
                Logger.getLogger(Translator.class.getName()).log(Level.SEVERE, null, ex);
            }

        }
    };
    channel.basicConsume(LISTENING_QUEUE_NAME, true, consumer);

}

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();/*from  ww  w  .  ja  v a  2  s .  com*/
    connection.close();
}

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

/**
 *
 * @return/* w w  w .ja va 2  s  .c o  m*/
 */
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;
}

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

/**
 *
 * @param message/*  ww w.  j  a  v a  2  s.c  o 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();
}

From source file:edu.jhu.pha.vospace.QueueConnector.java

License:Apache License

/** Helper function to setup and teardown AMQP connection & statement. */
public static <T> T goAMQP(String context, AMQPWorker<T> goer) {
    logger.debug("AMPQ " + context);
    Connection conn = null;
    Channel channel = null;/*  w  w w.j av a  2 s  . co m*/
    try {
        conn = factory.newConnection();
        channel = conn.createChannel();
        T result = goer.go(conn, channel);
        return result;
    } catch (IOException e) {
        goer.error(context, e);
        return null;
    } finally {
        close(channel);
        close(conn);
    }
}

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 www  .  j  a  va2 s .c  o 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. j av  a 2  s. c  om*/
    connection.close();

}

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

License:Open Source License

/**
 * /*from  w  ww .ja v a  2  s  . 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 + "'");
    }
}