Example usage for com.rabbitmq.client Channel queueDeclare

Introduction

In this page you can find the example usage for com.rabbitmq.client Channel queueDeclare.

Prototype

Queue.DeclareOk queueDeclare() throws IOException;

Source Link

Document

Actively declare a server-named exclusive, autodelete, non-durable queue.

Usage

From source file:com.jbrisbin.vcloud.classloader.RabbitMQResourceProvider.java

License:Apache License

protected void declareResources() throws IOException {
    Channel mq = getChannel();
    synchronized (mq) {
        mq.exchangeDeclare(exchange, "topic", true, false, null);
        if (null == this.queue) {
            queue = mq.queueDeclare().getQueue();
        } else {//  www. j a  va  2s.  c  o m
            mq.queueDeclare(this.queue, true, false, true, null);
        }
        mq.queueBind(queue, exchange, routingKey);
    }
}

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From source file:com.kurento.kmf.rabbitmq.RabbitTemplate.java

License:Apache License

protected Message doSendAndReceiveWithTemporary(final String exchange, final String routingKey,
        final Message message) {
    return this.execute(new ChannelCallback<Message>() {

        @Override//from   ww  w . j a  v  a  2 s  . co  m
        public Message doInRabbit(Channel channel) throws Exception {
            final ArrayBlockingQueue<Message> replyHandoff = new ArrayBlockingQueue<Message>(1);

            Assert.isNull(message.getMessageProperties().getReplyTo(),
                    "Send-and-receive methods can only be used if the Message does not already have a replyTo property.");
            DeclareOk queueDeclaration = channel.queueDeclare();
            String replyTo = queueDeclaration.getQueue();
            message.getMessageProperties().setReplyTo(replyTo);

            String consumerTag = UUID.randomUUID().toString();
            DefaultConsumer consumer = new DefaultConsumer(channel) {

                @Override
                public void handleDelivery(String consumerTag, Envelope envelope,
                        AMQP.BasicProperties properties, byte[] body) throws IOException {
                    MessageProperties messageProperties = messagePropertiesConverter
                            .toMessageProperties(properties, envelope, encoding);
                    Message reply = new Message(body, messageProperties);
                    if (logger.isTraceEnabled()) {
                        logger.trace("Message received " + reply);
                    }
                    try {
                        replyHandoff.put(reply);
                    } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                    }
                }
            };
            channel.basicConsume(replyTo, true, consumerTag, true, true, null, consumer);
            doSend(channel, exchange, routingKey, message, null);
            Message reply = (replyTimeout < 0) ? replyHandoff.take()
                    : replyHandoff.poll(replyTimeout, TimeUnit.MILLISECONDS);
            channel.basicCancel(consumerTag);
            return reply;
        }
    });
}

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From source file:com.mycompany.javateste.queues.pubsub.ReceiveLogs.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, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, EXCHANGE_NAME, "");

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

    Consumer consumer = new DefaultConsumer(channel) {
        @Override/*from  www  . j av a  2s.  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 + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

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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 w ww  .ja v  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);
}

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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);//from w  w w.  j  av  a 2 s.  c om
    }

    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);
}

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From source file:com.nesscomputing.amqp.ExchangeConsumer.java

License:Apache License

@Override
protected void connectCallback(@Nonnull final Channel channel) throws IOException {
    super.connectCallback(channel);

    if (getConfig().isDeclaring()) {
        channel.exchangeDeclare(getName(), getConfig().getExchangeType(), getConfig().isDurable(),
                getConfig().isAutoDelete(), null);
    }// ww w  . j ava  2s .  com
    final String queueName = channel.queueDeclare().getQueue();

    channel.queueBind(queueName, getName(), routingKey);

    channel.basicConsume(queueName, false, getConsumer());
}

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From source file:com.opengamma.transport.amqp.AmqpByteArrayRequestSender.java

License:Open Source License

/**
 * Creates an instance./*from w  w  w .  j ava2s .  com*/
 * 
 * @param connectionFactory  the connection factory, not null
 * @param timeout  the timeout, positive
 * @param executor  the executor, not null
 * @param exchange  the exchange, not null
 * @param routingKey  the routing key, not null
 */
public AmqpByteArrayRequestSender(ConnectionFactory connectionFactory, long timeout,
        ScheduledExecutorService executor, String exchange, String routingKey) {
    super(new RabbitTemplate(connectionFactory), exchange, routingKey);
    ArgumentChecker.notNull(connectionFactory, "connectionFactory");
    ArgumentChecker.notNull(executor, "executor");

    if (timeout <= 0) {
        throw new IllegalArgumentException("Timeout must be positive");
    }
    _timeout = timeout;
    _executor = executor;

    try {
        Connection connection = connectionFactory.createConnection();
        Channel channel = connection.createChannel(false);

        Queue.DeclareOk declareResult = channel.queueDeclare();
        _replyToQueue = declareResult.getQueue();

        channel.queueBind(_replyToQueue, getExchange(), _replyToQueue);
        connection.close();

    } catch (IOException e) {
        throw new RuntimeException("Failed to create reply to queue", e);
    }

    _container = new SimpleMessageListenerContainer();
    _container.setConnectionFactory(connectionFactory);
    _container.setQueueNames(_replyToQueue);
    _container.setMessageListener(this);
}

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From source file:com.vmware.vhadoop.vhm.rabbit.RabbitConnection.java

License:Open Source License

private synchronized String getQueueName() throws IOException {
    if (_queueName == null) {
        String exchangeName = _credentials.getExchangeName();
        Channel channel = getChannel();
        channel.exchangeDeclare(exchangeName, "direct", true, false, null); /* TODO: Externalize? */
        _queueName = channel.queueDeclare().getQueue();
        channel.queueBind(_queueName, exchangeName, _credentials.getRouteKeyCommand());
        _log.fine("Created transient queue: " + _queueName);
    }/*w ww  .  j av  a 2s  .c  o  m*/

    return _queueName;
}

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From source file:controllerStuff.ControllerPublisher.java

private void attachControllerCallback(Controller controllerObject) {
    try {//from w w w . j a  v  a 2s  .  c o m

        Channel controllerCallbackChannel = connection.createChannel();
        controllerCallbackChannel.exchangeDeclare(EXCHANGE_CONTOLLER_CMD, "topic");
        String sensChName = controllerCallbackChannel.queueDeclare().getQueue();
        controllerCallbackChannel.queueBind(sensChName, EXCHANGE_CONTOLLER_CMD,
                BIND_KEY_BASE + nodeID + '.' + controllerObject.getName());

        System.out.println(BIND_KEY_BASE + nodeID + '.' + controllerObject.getName()); //Debug

        controllerCallbackChannel.basicConsume(sensChName, true,
                new DefaultConsumer(controllerCallbackChannel) {
                    @Override
                    public void handleDelivery(String consumerTag, Envelope envelope,
                            AMQP.BasicProperties properties, byte[] body) throws IOException {

                        controllerObject.call(new String(body, "UTF-8"));

                    }
                });

    } catch (IOException ex) {
        Logger.getLogger(ControllerPublisher.class.getName()).log(Level.SEVERE, null, ex);
    }

}

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From source file:de.tuberlin.cit.livescale.messaging.endpoints.AMQPEndpointTest.java

License:Apache License

/**
 * Creates an instance of {@link AMQPEndpoint} whilst
 * mocking all RabbitMQ-Classes / ifaces involved.
 * //  w ww.  j  a  v  a  2  s.c  om
 * @throws IOException
 */
@Test
public void testAMQPLifecycle() throws IOException {
    // prepare mocks
    ConnectionFactory fac = mock(ConnectionFactory.class);
    Connection con = mock(Connection.class);
    Channel chan = mock(Channel.class);
    Queue.DeclareOk declareOK = mock(Queue.DeclareOk.class);

    // ConnectionFactory
    when(fac.newConnection()).thenReturn(con);
    // Connection
    when(con.createChannel()).thenReturn(chan);
    // Channel
    when(chan.queueDeclare()).thenReturn(declareOK);
    // DeclareOK result object
    String queueName = "testQueue";
    when(declareOK.getQueue()).thenReturn(queueName);

    AMQPEndpoint ep = new AMQPEndpoint();
    Whitebox.setInternalState(ep, "connectionFactory", fac);

    ep.configure(this.exampleConf);
    ep.start();

    // verify "important" connect methods were called
    verify(fac).newConnection();
    verify(con).createChannel();
    verify(chan).queueDeclare();
    verify(declareOK).getQueue();
    // in the example conf we're bindingn to 3 queues, let's check that
    String exchange = this.exampleConf.get(AMQPEndpoint.CONFIG_KEY_EXCHANGE_NAME);
    String routingKey = this.exampleConf.get(AMQPEndpoint.CONFIG_KEY_ROUTING_KEY);
    // listens for broadcasts
    verify(chan, times(1)).queueBind(eq(queueName), eq(exchange), eq("broadcast"));
    // listens for tasks
    verify(chan, times(1)).queueBind(eq("cit_stream_tasks_queue_" + routingKey), eq(exchange),
            eq("task." + routingKey));
    // listens for broadcasts to broadcast.test
    verify(chan, times(1)).queueBind(eq(queueName), eq(exchange), eq("broadcast." + routingKey));
    String exclusiveQueueName = Whitebox.getInternalState(ep, "exclusiveQueueName");
    assertEquals(queueName, exclusiveQueueName);
}

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