Package com.rabbitmq.client

Examples of com.rabbitmq.client.QueueingConsumer.nextDelivery()

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    channel.queueBind(queueName, EXCHANGE_NAME, "");
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, true, consumer);
    while (true) {
      QueueingConsumer.Delivery delivery = consumer.nextDelivery();
      String message = new String(delivery.getBody());
      System.out.println(" [x] Received '" + message + "'");
    }
  }
}
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    }
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, true, consumer);
    while (true) {
      QueueingConsumer.Delivery delivery = consumer.nextDelivery();
      String message = new String(delivery.getBody());
      String routingKey = delivery.getEnvelope().getRoutingKey();
      System.out.println(" [x] Received '" + routingKey + "':'" + message
          + "'");
    }
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    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
    channel.basicQos(1);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
    while (true) {
      QueueingConsumer.Delivery delivery = consumer.nextDelivery();
      String message = new String(delivery.getBody());
      System.out.println(" [x] Received '" + message + "'");
      doWork(message);
      System.out.println(" [x] Done");
      channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
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      QueueingConsumer consumer = new QueueingConsumer(channel);
      channel.basicConsume(RPC_QUEUE_NAME, false, consumer);
      System.out.println(" [x] Awaiting RPC requests");
      while (true) {
        String response = null;
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        BasicProperties props = delivery.getProperties();
        BasicProperties replyProps = new BasicProperties.Builder()
            .correlationId(props.getCorrelationId()).build();
        try {
          String message = new String(delivery.getBody(), "UTF-8");
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      System.out
          .println(" [*] Waiting for messages. To exit press CTRL+C");
      QueueingConsumer consumer = new QueueingConsumer(channel);
      channel.basicConsume(queueName, true, consumer);
      while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String message = new String(delivery.getBody());
        String routingKey = delivery.getEnvelope().getRoutingKey();
        System.out.println(" [x] Received '" + routingKey + "':'"
            + message + "'");
      }
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        final ReentrantLock runLock = this.runLock;
              runLock.lock();
              try {
            QueueingConsumer.Delivery delivery;
            try {
                delivery = consumer.nextDelivery(DELIVERY_WAIT_TIMEOUT);
                if(null == delivery)
                  continue;
            } catch (InterruptedException ie) {
              _logger.error("[THREAD INTERRUPT] consumer get interrupted :" + queueName);
              run = false;
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        declare(connection, replyTo, true);
        channel.confirmSelect();
        basicPublishVolatile("response".getBytes(), "", replyTo, MessageProperties.BASIC);
        channel.waitForConfirms();

        QueueingConsumer.Delivery del = c.nextDelivery();
        assertEquals("response", new String(del.getBody()));
    }

    public void testHack() throws IOException, InterruptedException {
        QueueingConsumer c = new QueueingConsumer(channel);
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        // we can't publish using just the pid
        replyTo = replyTo.substring(0, replyTo.length() - 5) + "xxxxx";
        declare(connection, replyTo, false);
        basicPublishVolatile("response".getBytes(), "", replyTo, MessageProperties.BASIC);

        QueueingConsumer.Delivery del = c.nextDelivery(500);
        assertNull(del);
    }

    private void declare(Connection connection, String q, boolean expectedExists) throws IOException {
        Channel ch = connection.createChannel();
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        String consumerTag = secondaryChannel.basicConsume(q, false, c);

        // requeue
        channel.basicNack(tag2, false, true);

        long tag3 = checkDelivery(c.nextDelivery(), m2, true);
        secondaryChannel.basicCancel(consumerTag);

        // no requeue
        secondaryChannel.basicNack(tag3, false, false);
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        QueueingConsumer c;

        c = new QueueingConsumer(channel);
        String consumerTag = channel.basicConsume(Q, false, c);
        c.nextDelivery();
        channel.basicCancel(consumerTag);

        assertNull(channel.basicGet(Q, true));

        closeChannel();
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