Example usage for com.rabbitmq.client Channel queueDeclarePassive

Introduction

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

Prototype

Queue.DeclareOk queueDeclarePassive(String queue) throws IOException;

Source Link

Document

Declare a queue passively; i.e., check if it exists.

Usage

From source file:acromusashi.stream.component.rabbitmq.QueueSizeCallBack.java

License:Open Source License

/**
 * {@inheritDoc}//w w w.ja  va 2s.  c  om
 */
@Override
public Integer doInRabbit(Channel channel) throws Exception {
    return channel.queueDeclarePassive(this.queueName).getMessageCount();
}

---

From source file:br.uff.labtempo.omcp.common.utils.RabbitComm.java

License:Apache License

public void checkQueueOrDie(String queueName) throws UnreachableModuleException {
    if (!connection.isOpen()) {
        throw new UnreachableModuleException("Not connected to broker!");
    }/*from   ww w  .jav  a2s.  c o  m*/
    try {
        Channel ch = connection.createChannel();
        AMQP.Queue.DeclareOk declare = ch.queueDeclarePassive(queueName);
        ch.close();
    } catch (Exception e) {
        throw new UnreachableModuleException("Queue not exists!");
    }
}

---

From source file:br.uff.labtempo.omcp.common.utils.RabbitComm.java

License:Apache License

public void checkHasConsumersOrDie(String queueName) throws UnreachableModuleException {
    if (!connection.isOpen()) {
        throw new UnreachableModuleException("Not connected to broker!");
    }/*from   w w w  . j a  va  2  s . c  o m*/
    try {
        Channel ch = connection.createChannel();
        AMQP.Queue.DeclareOk declare = ch.queueDeclarePassive(queueName);
        ch.close();
        if (declare.getConsumerCount() <= 0) {
            throw new UnreachableModuleException("Module is not online");
        }
    } catch (UnreachableModuleException e) {
        throw e;
    } catch (Exception e) {
        throw new UnreachableModuleException("Queue not exists!");
    }
}

---

From source file:br.uff.labtempo.omcp.common.utils.RabbitComm.java

License:Apache License

public void checkNotHasConsumersOrDie(String queueName) throws UnreachableModuleException {
    if (!connection.isOpen()) {
        throw new UnreachableModuleException("Not connected to broker!");
    }//w  ww  .j  av a2  s. com
    try {
        Channel ch = connection.createChannel();
        AMQP.Queue.DeclareOk declare = ch.queueDeclarePassive(queueName);
        int consumers = declare.getConsumerCount();
        ch.close();
        if (consumers > 0) {
            throw new UnreachableModuleException("Has " + consumers + " consumers!");
        }
    } catch (UnreachableModuleException e) {
        throw e;
    } catch (Exception e) {
        throw new UnreachableModuleException("Queue not exists!");
    }
}

---

From source file:br.uff.labtempo.omcp.common.utils.RabbitComm.java

License:Apache License

public void checkHasOneConsumerOrDie(String queueName) throws UnreachableModuleException {
    if (!connection.isOpen()) {
        throw new UnreachableModuleException("Not connected to broker!");
    }//  w  w  w.  j  ava2s . c  o  m
    try {
        Channel ch = connection.createChannel();
        AMQP.Queue.DeclareOk declare = ch.queueDeclarePassive(queueName);
        int consumers = declare.getConsumerCount();
        ch.close();
        if (consumers != 1) {
            throw new UnreachableModuleException("Has " + consumers + " consumers!");
        }
    } catch (UnreachableModuleException e) {
        throw e;
    } catch (Exception e) {
        throw new UnreachableModuleException("Queue not exists!");
    }
}

---

From source file:br.uff.labtempo.omcp.common.utils.RabbitComm.java

License:Apache License

public int countMessagesFromQueue(String queueName) throws UnreachableModuleException {
    try {//from  w ww . j  av  a2 s. co m
        Channel ch = connection.createChannel();
        AMQP.Queue.DeclareOk declare = ch.queueDeclarePassive(queueName);
        ch.close();
        return declare.getMessageCount();
    } catch (Exception e) {
        throw new UnreachableModuleException("Queue not exists!");
    }
}

---

From source file:com.DeadLetterReceiver.java

License:Open Source License

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

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(HOSTNAME);//from  w w  w  .  j av a2 s .  c o  m
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    //creating reply queue
    try {
        channel.queueDeclarePassive(QUEUE_NAME);
    } catch (java.io.IOException e) {
        if (!channel.isOpen())
            channel = connection.createChannel();
        channel.queueDeclare(QUEUE_NAME, false, false, false, null);
    }

    System.out.println(" [*] Waiting for responses. To exit press CTRL+C");
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(QUEUE_NAME, true, consumer);

    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        BasicProperties props = delivery.getProperties();
        String message = new String(delivery.getBody());
        System.out.println(" [x] Response received '" + message + "'");
        System.out.println("Correlation id : " + props.getCorrelationId());
    }
}

---

From source file:com.DeadLetterSender.java

License:Open Source License

public static void main(String[] argv) throws Exception {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(HOSTNAME);//from w  ww  . ja  va  2  s . c o m
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    try {
        channel.exchangeDeclarePassive(EXCHANGE_NAME);
    } catch (java.io.IOException e) {
        if (!channel.isOpen())
            channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME, "direct", true);
    }

    try {
        channel.queueDeclarePassive(QUEUE_NAME);
    } catch (java.io.IOException e) {
        if (!channel.isOpen())
            channel = connection.createChannel();
        channel.queueDeclare(QUEUE_NAME, false, false, false, null);
    }
    channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, QUEUE_NAME);

    // Request Message
    String message = "<soapenv:Envelope" + " xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\">\n"
            + "<soapenv:Body>\n" + "  <p:greet xmlns:p=\"http://service.wso2.org\">\n" + "     <in>" + "IBM"
            + "</in>\n" + "  </p:greet>\n" + "</soapenv:Body>\n" + "</soapenv:Envelope>";

    // Adding Message Properties
    AMQP.BasicProperties.Builder builder = new AMQP.BasicProperties().builder();
    builder.messageId("007");
    builder.contentType("text/xml");
    builder.correlationId("1111");
    builder.replyTo(REPLY_QUEUE_NAME);
    builder.contentEncoding("UTF-8");

    // Custom user properties
    Map<String, Object> headers = new HashMap<String, Object>();
    headers.put("SOAP_ACTION", "getQuote");
    builder.headers(headers);

    // Publish the message to exchange
    channel.basicPublish(EXCHANGE_NAME, QUEUE_NAME, builder.build(), message.getBytes());
    channel.close();
    connection.close();
}

---

From source file:com.digispherecorp.enterprise.rabbitmq.ra.work.QueueRabbitMQWork.java

@Override
public void run() {
    try {/*from   w  w w .jav a2 s. c  o m*/

        Logger.getLogger(QueueRabbitMQWork.class.getName()).log(Level.INFO,
                "Work Schedule Polling started @ ".concat(uuid));

        final Channel channel;
        RabbitMQConnectionFactoryFacade instance = RabbitMQConnectionFactoryFacade.getInstance();
        if (instance.getConnectionRequestInfo(activationSpec) == null) {
            instance.setConnectionRequestInfo(activationSpec,
                    new RabbitMQConnectionRequestInfo(((RabbitMQActivationSpec) activationSpec).getUser(),
                            ((RabbitMQActivationSpec) activationSpec).getPassword(),
                            ((RabbitMQActivationSpec) activationSpec).getHost(),
                            ((RabbitMQActivationSpec) activationSpec).getPort(),
                            ((RabbitMQActivationSpec) activationSpec).getVirtualHost()));
        }
        try {
            connection = instance.getConnection();
            channel = connection.createChannel();
            channel.queueDeclarePassive(((RabbitMQActivationSpec) activationSpec).getQueueName());
            channel.basicQos(0);

            final Consumer consumer = new DefaultConsumer(channel) {

                @Override
                public void handleConsumeOk(String consumerTag) {
                    super.handleConsumeOk(consumerTag);
                }

                @Override
                public void handleDelivery(String consumerTag, Envelope envelope,
                        AMQP.BasicProperties properties, byte[] body) throws IOException {
                    super.handleDelivery(consumerTag, envelope, properties, body);

                    if (!envelope.isRedeliver()) {
                        try {
                            RabbitMQMessage mQMessage = new RabbitMQMessage();
                            mQMessage.getMessages().add(body);
                            try {
                                receiveMessages(mQMessage);
                            } catch (ResourceException ex) {
                                Logger.getLogger(QueueRabbitMQWork.class.getName()).log(Level.SEVERE,
                                        ex.getLocalizedMessage(), ex);
                            }
                        } finally {
                            channel.basicAck(envelope.getDeliveryTag(), true);
                        }
                    }
                }
            };
            channel.basicConsume(((RabbitMQActivationSpec) activationSpec).getQueueName(), false, consumer);
        } catch (IOException ex) {
            Logger.getLogger(RabbitMQResourceAdapter.class.getName()).log(Level.SEVERE,
                    ex.getLocalizedMessage(), ex);
        }
    } catch (Exception ex) {
        Logger.getLogger(QueueRabbitMQWork.class.getName()).log(Level.SEVERE, ex.getLocalizedMessage(), ex);
    }
}

---

From source file:com.shopwiki.roger.rpc.RpcServer.java

License:Apache License

/**
 * 1. Creates {@link RpcWorker}s using the {@link WorkerFactory} provided to the constructor.
 * 2. Declares queues & binds routing-keys if a (@link QueueDeclarator} was provided to the constructor.
 * 3. Starts each {@link RpcWorker}./*from  w  w  w  .java  2s. c o  m*/
 *
 * @throws IOException
 */
public void start() throws IOException {
    RpcWorkers workers = workerFactory.createWorkers(queuePrefix);

    Connection conn = null;
    try {
        conn = workers.getConnection();
        conn.addShutdownListener(reconnector);
        Channel channel = conn.createChannel();

        if (queueDeclarator != null) {
            for (RpcWorker worker : workers) {
                queueDeclarator.declareQueue(channel, worker);
                queueDeclarator.bindQueue(channel, worker);
            }
        }

        for (RpcWorker worker : workers) {
            worker.setPostProcessors(postProcessors);
            String queueName = worker.getQueueName();

            System.out.println(channel + " - Starting Worker for queue: " + queueName);
            channel.queueDeclarePassive(queueName); // make sure the handler's queue exists
            worker.start();
        }
    } catch (IOException e) {
        RabbitConnector.closeConnection(conn);
        throw e;
    } catch (RuntimeException e) {
        RabbitConnector.closeConnection(conn);
        throw e;
    } catch (Error e) {
        RabbitConnector.closeConnection(conn);
        throw e;
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• »