Example usage for com.rabbitmq.client Connection createChannel

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:com.mycompany.javateste.queues.routing.EmitLogDirect.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.exchangeDeclare(EXCHANGE_NAME, "direct");

    String severity = getSeverity(argv);
    String message = getMessage(argv);

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

    channel.close();//www .  j a v  a  2  s .co  m
    connection.close();
}

---

From source file:com.mycompany.javateste.queues.routing.ReceiveLogsDirect.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.exchangeDeclare(EXCHANGE_NAME, "direct");
    String queueName = channel.queueDeclare().getQueue();

    if (argv.length < 1) {
        System.err.println("Usage: ReceiveLogsDirect [info] [warning] [error]");
        System.exit(1);//from   ww  w  .j av a  2 s .  com
    }

    for (String severity : argv) {
        channel.queueBind(queueName, EXCHANGE_NAME, severity);
    }
    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 '" + envelope.getRoutingKey() + "':'" + message + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

---

From source file:com.mycompany.javateste.queues.Send.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);
    String message = "Hello World!";
    channel.basicPublish("", QUEUE_NAME, null, message.getBytes("UTF-8"));
    System.out.println(" [x] Sent '" + message + "'");

    channel.close();//from w  ww . j  a va2 s.c o m
    connection.close();
}

---

From source file:com.mycompany.javateste.queues.topic.EmitLogTopic.java

public static void main(String[] argv) {
    Connection connection = null;
    Channel channel = null;//from w w w .j  av  a2  s  . c o  m
    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");

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

        channel.exchangeDeclare(EXCHANGE_NAME, "topic");

        String routingKey = getRouting(argv);
        String message = getMessage(argv);

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

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception ignore) {
            }
        }
    }
}

---

From source file:com.mycompany.javateste.queues.topic.ReceiveLogsTopic.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.exchangeDeclare(EXCHANGE_NAME, "topic");
    String queueName = channel.queueDeclare().getQueue();

    if (argv.length < 1) {
        System.err.println("Usage: ReceiveLogsTopic [binding_key]...");
        System.exit(1);/*  w w w.  j  av  a2s  .  com*/
    }

    for (String bindingKey : argv) {
        channel.queueBind(queueName, EXCHANGE_NAME, bindingKey);
    }

    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 '" + envelope.getRoutingKey() + "':'" + message + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

---

From source file:com.mycompany.javateste.queues.worktasks.NewTask.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(TASK_QUEUE_NAME, true, false, false, null);

    String message = getMessage(argv);

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

    channel.close();/* w w w.ja  v a2s .  c o m*/
    connection.close();
}

---

From source file:com.mycompany.javateste.queues.worktasks.Worker.java

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

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

    channel.basicQos(1);//from w  w w . j  a v  a 2  s  .c  o m

    final 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 + "'");
            try {
                doWork(message);
            } finally {
                System.out.println(" [x] Done");
                channel.basicAck(envelope.getDeliveryTag(), false);
            }
        }
    };
    channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
}

---

From source file:com.mycompany.loanbroker.requestLoan.java

/**
 * Web service operation/*from   w w  w  .  j  av  a  2  s. c o m*/
 */
@WebMethod(operationName = "request")
public String request(@WebParam(name = "ssn") String ssn, @WebParam(name = "loanAmount") double loanAmount,
        @WebParam(name = "loanDuration") int loanDuration) throws IOException, InterruptedException {

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

    listeningChannel.exchangeDeclare(EXCHANGE, "direct");
    listeningChannel.queueDeclare(LISTENING_QUEUE_NAME, false, false, false, null);
    listeningChannel.queueBind(LISTENING_QUEUE_NAME, EXCHANGE, ssn.replace("-", ""));

    sendingchannel.queueDeclare(SENDING_QUEUE_NAME, false, false, false, null);

    message = ssn + "," + loanAmount + "," + loanDuration;

    sendingchannel.basicPublish("", SENDING_QUEUE_NAME, null, message.getBytes());

    sendingchannel.close();

    Consumer consumer = new DefaultConsumer(listeningChannel) {
        @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] The LoanBroker Has Received '" + message + "'");
            result = message;
        }
    };

    listeningChannel.basicConsume(LISTENING_QUEUE_NAME, true, consumer);
    //connection.close();

    return result;
}

---

From source file:com.mycompany.mavenproject1.RMQProducer.java

License:Open Source License

@SuppressWarnings("override")
public void sendMessage(String message, String queue) {
    try {/*from  w  w w .ja  v  a  2s.  c  o m*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        Connection connection = factory.newConnection();
        Channel c = connection.createChannel();
        c.queueDeclare(queue, false, false, false, null);
        c.basicPublish("", queue, null, message.getBytes());
    } catch (java.io.IOException ex) {
        Logger.getLogger(SandboxUserInterface.class.getName()).log(Level.SEVERE, null, ex);
    } catch (TimeoutException ex) {
        Logger.getLogger(RMQProducer.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:com.mycompany.net.Run.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException/*from ww  w .  ja  v  a  2s.  c om*/
 * @throws java.util.concurrent.TimeoutException
 */
public static void main(String[] args) throws IOException, TimeoutException {
    // TODO code application logic here

    JPA jpa = new JPA();
    jpa.initDB();

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("systembus"); // RabbitMQ IP
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare("sensors", "topic"); // sensors is the name of the exchange
    AMQP.Queue.DeclareOk result = channel.queueDeclare("", false, true, false, null);
    String queuename = result.getQueue();
    //bind to sensor info
    channel.queueBind(queuename, "sensors", "gateway.data"); // Binding key is #, this will consume all messages

    //bind to the dashboard
    channel.queueBind(queuename, "sensors", "dashboard.request");

    //bind to Processing units output
    channel.queueBind(queuename, "sensors", "database.put");

    logger.info(" [*] 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 {

            try {
                String message = new String(body, "UTF-8");
                Gson gson = new Gson();
                Type type = new TypeToken<Map<String, String>>() {
                }.getType();
                Map<String, String> myMap = gson.fromJson(message, type);
                logger.info(" [x] " + envelope.getRoutingKey() + " - Received '" + message + "'");

                String routing_key = envelope.getRoutingKey();
                if ("gateway.data".equals(routing_key)) {
                    jpa.saveRawToDB(myMap);
                } else if ("database.put".equals(routing_key)) {
                    jpa.saveAlertToDB(myMap);
                } else if ("dashboard.request".equals(routing_key)) {
                    Thread.sleep(1000);
                    jpa.processRequest(myMap, channel);
                } else
                    logger.error("NOT A VALID MESSAGE!");

            } catch (Exception e) {
                logger.error(e.toString());
            }

        }
    };

    channel.basicConsume(queuename, true, consumer);

    //channel.close();
    //connection.close();

    //entityManager.close();
    //entityManagerFactory.close();

}

---

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