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:reactor.rabbitmq.SenderBenchmarkUtils.java

License:Open Source License

public static String declareQueue(Connection connection) throws Exception {
    String queueName = UUID.randomUUID().toString();
    Channel channel = connection.createChannel();
    String queue = channel.queueDeclare(queueName, false, false, false, null).getQueue();
    channel.close();//from  w w w  .j a  v  a 2 s .c o  m
    return queue;
}

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From source file:reactor.rabbitmq.SenderBenchmarkUtils.java

License:Open Source License

public static void deleteQueue(Connection connection, String queue) throws Exception {
    Channel channel = connection.createChannel();
    channel.queueDelete(queue);//w w w . j ava2 s  .  c  o m
    channel.close();
}

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From source file:Release1.Controllers.AlarmController.java

/**
 * mtodo para recibir mensajes de los sensores de alarmas de ventana
 * dependiendo del mensaje recibido se envia la respuesta a los sensores
 * @throws IOException// w w w  . j  a  va 2 s. co  m
 * @throws TimeoutException 
 */
private synchronized void receiveAlamrWindowSensorMessage() throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(HOST);

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

    channel.exchangeDeclare(ID_CHANNEL_AWINDOW_SENSOR, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, ID_CHANNEL_AWINDOW_SENSOR, "");

    Consumer consumer;
    consumer = new DefaultConsumer(channel) {
        @Override
        public synchronized void handleDelivery(String consumerTag, Envelope envelope,
                AMQP.BasicProperties properties, byte[] body) throws IOException {
            setMessage(new String(body, "UTF-8"));
            logger.info("Class ALARM WINDOW Controller --- RECEIVED from Sensor --- Value: "
                    + new String(body, "UTF-8"));
            if (Integer.parseInt(getMessage()) > MAX_VALUE_ALARMS) {//si el valor obtenido es mayor al permitido para simular las alarmas se activa la alarma
                try {
                    sendMessage(ID_CHANNEL_AWINDOW_CONTROLLER, ID_AWINDOW_ON);//envio de mensaje para encender alarma la alarma de ventnaa
                    logger.info("Class: ALARM CONTROLLER --- SEND --- ACTIVE ALARM WINDOW");
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            } else {
                try {
                    sendMessage(ID_CHANNEL_AWINDOW_CONTROLLER, ID_AWINDOW_OFF);//envio de mensaje apra apagar la alarma de ventana
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            }
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

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From source file:Release1.Controllers.AlarmController.java

/**
 * mtodo para recibir mensajes de los sensores de alarmas de puerta
 * dependiendo del mensaje recibido se envia la respuesta a los sensores
 * @throws IOException/*from  w w  w.j  av a 2s .  c o m*/
 * @throws TimeoutException 
 */
private void receiveAlarmDoorMessage() throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(HOST);
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(ID_CHANNEL_ADOOR_SENSOR, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, ID_CHANNEL_ADOOR_SENSOR, "");

    Consumer consumer = new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            setMessage(new String(body, "UTF-8"));
            logger.info("Class Alarm DOOR Controller --- RECEIVED from Sensor --- Value: "
                    + new String(body, "UTF-8"));
            if (Integer.parseInt(getMessage()) > MAX_VALUE_ALARMS) {
                try {
                    sendMessage(ID_CHANNEL_ADOOR_CONTROLLER, ID_ADOOR_ON);//envio de mensaje para encender la alarma
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            } else {
                try {
                    sendMessage(ID_CHANNEL_ADOOR_CONTROLLER, ID_ADOOR_OFF);//envio de mensajes para apagar la alarma
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            }
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

---

From source file:Release1.Controllers.AlarmController.java

/**
 * * mtodo para recibir mensajes de los sensores de alarmas de movimiento
 * dependiendo del mensaje recibido se envia la respuesta a los sensores
 * @throws IOException/*from  w w w  . j a  va2 s  .c  o m*/
 * @throws TimeoutException 
 */
private void receiveMoveMessage() throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(HOST);

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

    channel.exchangeDeclare(ID_CHANNEL_AMOVE_SENSOR, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, ID_CHANNEL_AMOVE_SENSOR, "");

    Consumer consumer;
    consumer = new DefaultConsumer(channel) {
        @Override
        public synchronized void handleDelivery(String consumerTag, Envelope envelope,
                AMQP.BasicProperties properties, byte[] body) throws IOException {
            setMessage(new String(body, "UTF-8"));
            logger.info("Class ALARM MOVE Controller --- RECEIVED from Sensor --- Value: "
                    + new String(body, "UTF-8"));
            if (Integer.parseInt(getMessage()) > MAX_VALUE_ALARMS) {
                try {
                    sendMessage(ID_CHANNEL_AMOVE_CONTROLLER, ID_AMOVE_ON);//envio de mensajes para encender la alarma de movimiento
                    logger.info("Class: ALARM CONTROLLER --- SEND --- ACTIVE ALARM WINDOW");
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            } else {
                try {
                    sendMessage(ID_CHANNEL_AMOVE_CONTROLLER, ID_AMOVE_OFF);//envio de mensajes para apagar la alarma de movimientos
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            }
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

---

From source file:Release2.Controllers.AlarmFireController.java

private synchronized void receivedAlarmFireSensorMessage() throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(HOST);/* w ww  .jav  a2s. co  m*/

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

    channel.exchangeDeclare(ID_CHANNEL_AFIRE_SENSOR, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, ID_CHANNEL_AFIRE_SENSOR, "");

    Consumer consumer;
    consumer = new DefaultConsumer(channel) {
        @Override
        public synchronized void handleDelivery(String consumerTag, Envelope envelope,
                AMQP.BasicProperties properties, byte[] body) throws IOException {
            setMessage(new String(body, "UTF-8"));
            logger.info("Class ALARM FIRE Controller --- RECEIVED from Sensor --- Value: "
                    + new String(body, "UTF-8"));
            if (Integer.parseInt(getMessage()) > MAX_VALUE_ALARMS) {//si el valor obtenido es mayor al permitido para simular las alarmas se activa la alarma
                try {
                    sendMessage(ID_CHANNEL_AFIRE_CONTROLLER, ID_AFIRE_ON);//envio de mensaje para encender alarma la alarma de ventnaa
                    logger.info("Class: ALARM CONTROLLER --- SEND --- ACTIVE ALARM WINDOW");
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            } else {
                try {
                    sendMessage(ID_CHANNEL_AFIRE_CONTROLLER, ID_AFIRE_OFF);//envio de mensaje apra apagar la alarma de ventana
                } catch (TimeoutException ex) {
                    logger.error(ex);
                }
            }
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

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From source file:ru.iris.common.messaging.JsonConnection.java

License:Apache License

public JsonConnection() {
    // Create a ConnectionFactory
    ConnectionFactory connectionFactory = new ConnectionFactory();

    // Create a Connection
    try {//from w  w w .j  a  v a  2 s. com
        Config config = Config.getInstance();

        // Create a ConnectionFactory
        connectionFactory.setHost(config.get("AMQPhost"));
        connectionFactory.setPort(Integer.valueOf(config.get("AMQPport")));
        connectionFactory.setUsername(config.get("AMQPuser"));
        connectionFactory.setPassword(config.get("AMQPpasswd"));

        /*
          The AMQ connection.
         */
        Connection connection = connectionFactory.newConnection();
        channel = connection.createChannel();

        // Create exchange
        channel.exchangeDeclare("iris", "topic", true);
    } catch (IOException | TimeoutException e) {
        LOGGER.error("Error while connection to AMQP broker: " + e.getMessage());
        System.exit(1);
    }
}

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From source file:ru.kinomir.queue.QueueSender.java

public synchronized void sendToQueue(Object data, String queueName, String queueHost, String userName,
        String password, String port, String virtualHost) {
    Channel channel = null;//from ww  w. ja  v  a  2  s  .c  om
    Connection connection = null;
    try {
        logger.info("Send message to queue '" + queueName + "'");
        ConnectionFactory factory = new ConnectionFactory();
        if (!StringTools.isEmpty(userName)) {
            factory.setUsername(userName);
        }
        if (!StringTools.isEmpty(password)) {
            factory.setPassword(password);
        }
        if (!StringTools.isEmpty(port)) {
            try {
                factory.setPort(Integer.parseInt(port));
            } catch (NumberFormatException ignore) {

            }
        }
        if (!StringTools.isEmpty(virtualHost)) {
            factory.setVirtualHost(virtualHost);
        }
        factory.setHost(queueHost);

        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.queueDeclare(queueName, true, false, false, null);
        String message = convertToString(data);
        logger.info("Message text: " + message);
        channel.basicPublish("", queueName, MessageProperties.MINIMAL_PERSISTENT_BASIC, message.getBytes());
        logger.info("Message was sent");
    } catch (Exception ex) {
        logger.error("Uneble send message: " + convertToString(data));
        logger.debug(ex.getMessage(), ex);
    } finally {
        try {
            if (channel != null) {
                channel.close();
            }
            if (connection != null) {
                connection.close();
            }
        } catch (Exception ignore) {

        }
    }
}

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From source file:samples.userguide.RabbitMQAMQPClient.java

License:Apache License

public static void main(String[] args) {
    String queueName = System.getProperty("queueName");
    String mode = System.getProperty("mode");
    String routingKey = System.getProperty("routingKey");
    String exchangeName = System.getProperty("exchangeName");

    String quote = System.getProperty("payLoad");
    if (quote == null) {
        quote = "IBM";
    }//from w w w .ja v a2 s  .  co  m
    String msg = "<m:placeOrder xmlns:m=\"http://services.samples\">\n" + "    <m:order>\n"
            + "        <m:price>" + getRandom(100, 0.9, true) + "</m:price>\n" + "        <m:quantity>"
            + (int) getRandom(10000, 1.0, true) + "</m:quantity>\n" + "        <m:symbol>" + quote
            + "</m:symbol>\n" + "    </m:order>\n" + "</m:placeOrder>";

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

        if (mode == null) {
            mode = "producer";
        }

        if ("producer".equals(mode)) {
            if (queueName != null) {
                channel.basicPublish("", queueName, null, msg.getBytes());
            } else {
                if (routingKey != null) {
                    if (exchangeName == null) {
                        exchangeName = "topic-exchange";
                    }
                    channel.basicPublish(exchangeName, routingKey, null, msg.getBytes());

                } else {
                    if (exchangeName == null) {
                        exchangeName = "subscriber-exchange";
                    }
                    channel.basicPublish(exchangeName, "", null, msg.getBytes());
                }
            }
        } else {
            if (queueName == null) {
                queueName = "ConsumerProxy";
            }
            QueueingConsumer consumer = new QueueingConsumer(channel);
            channel.basicConsume(queueName, true, consumer);

            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            System.out.println("[x] received '" + message + "'");
        }
        channel.close();
        connection.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        if (channel != null && channel.isOpen()) {
            try {
                channel.close();
            } catch (IOException e) {
                System.err.println("Error occurred while closing the channel:" + e.getMessage());
            }
        }
        if (connection != null && connection.isOpen()) {
            try {
                connection.close();
            } catch (IOException e) {
                System.err.println("Error occurred while closing the connection:" + e.getMessage());
            }
        }
    }
}

---

From source file:scratchpad.SimpleConsumer.java

License:Mozilla Public License

public static void main(String[] args) {
    try {/* w ww.j ava  2 s  .  c o m*/
        String hostName = (args.length > 0) ? args[0] : "localhost";
        int portNumber = (args.length > 1) ? Integer.parseInt(args[1]) : AMQP.PROTOCOL.PORT;
        String queueName = (args.length > 2) ? args[2] : "eventName";

        ConnectionFactory connFactory = new ConnectionFactory();
        connFactory.setHost(hostName);
        connFactory.setPort(portNumber);
        Connection conn = connFactory.newConnection();

        final Channel ch = conn.createChannel();

        ch.queueDeclare();

        QueueingConsumer consumer = new QueueingConsumer(ch);
        ch.basicConsume(queueName, consumer);
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            Envelope envelope = delivery.getEnvelope();
            System.out
                    .println("Routing Key: " + envelope.getRoutingKey() + ":" + new String(delivery.getBody()));
            ch.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
        }
    } catch (Exception ex) {
        System.err.println("Main thread caught exception: " + ex);
        ex.printStackTrace();
        System.exit(1);
    }
}

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