Example usage for com.rabbitmq.client DefaultConsumer DefaultConsumer

Introduction

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

Prototype

public DefaultConsumer(Channel channel) 

Source Link

Document

Constructs a new instance and records its association to the passed-in channel.

Usage

From source file:com.nrkei.microservices.rapids_rivers.rabbit_mq.RabbitMqRapids.java

private DefaultConsumer consumer(final Channel channel) {
    final RapidsConnection sendPort = this;
    return new DefaultConsumer(channel) {
        @Override//from   www .  ja  va 2  s  .c o  m
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            final String message = new String(body, "UTF-8");
            //                System.out.println(" [x] Received '" + message + "'");
            for (MessageListener listener : listeners)
                listener.message(sendPort, message);
        }
    };
}

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From source file:com.paxxis.cornerstone.messaging.common.amqp.AMQPSession.java

License:Apache License

@Override
public MessageConsumer createConsumer(Destination destination, String selector,
        final MessageListener messageListener, Map<String, Object> args) {

    try {//  w ww. j a v  a2 s . com
        AMQPDestination dest = (AMQPDestination) destination;
        String routingKey = dest.getDestination();

        //as a nicety we declare and bind the queues on the consumer side if the queue is not temporary
        if (!dest.isTemporary()) {
            ConcurrentHashMap<String, Object> p = new ConcurrentHashMap<String, Object>(args);
            p.putIfAbsent("durable", durableQueue);
            p.putIfAbsent("exclusive", exclusiveQueue);
            p.putIfAbsent("autoDelete", autoDeleteQueue);

            channel.queueDeclare(routingKey, (Boolean) p.remove("durable"), (Boolean) p.remove("exclusive"),
                    (Boolean) p.remove("autoDelete"), args);
            channel.queueBind(routingKey, exchangeName, routingKey,
                    createBindingArgs(selector + " AND routingKey = " + routingKey));
        }

        DefaultConsumer consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {
                messageListener.onMessage(new AMQPMessage(body, envelope, properties, channel));
            }
        };

        String consumerTag = channel.basicConsume(routingKey, autoAck, consumer);
        return new AMQPMessageConsumer(dest, consumer, consumerTag);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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From source file:com.project.finalproject.finalBean.java

private void initConsumer() throws IOException {
    consumer = new DefaultConsumer(channel) {
        @Override//from w w w.  j a va  2s.  c  om
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            setValue(message);
            setCView(message);
            System.out.println(" [x] Received '" + message + "'");
        }
    };
    channel.basicConsume(QUEUE_NAME, true, consumer);
}

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From source file:com.project.finalproject.Recv.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);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {
        @Override//from   w w  w. jav a 2  s  .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(QUEUE_NAME, true, consumer);
}

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From source file:com.sat.common.CommonStepDef.java

License:Open Source License

@And("^verify messages are being sent to queue and contains (.*) $")
public void verify_the_messages_are_being_sent_to_queue(String expectedMsg1, String expectedMsg2)
        throws IOException, InterruptedException {
    System.out.println("Starting reading messages for:");
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
    Consumer consumer = new DefaultConsumer(channel) {
        @Override//  w ww. ja  v  a 2s. co m
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            try {
                Thread.sleep(4000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(" [x] Received '" + envelope.getRoutingKey() + "':'" + message + "'");
            msgRcvd = message + msgRcvd;
        }
    };
    channel.basicConsume(QUEUE_NAME1, false, consumer);
    Thread.sleep(180000);
    channel.close();
    connection.close();
    assertTrue("Message consumed does  not contain generateAC queue message as expected",
            msgRcvd.contains(expectedMsg1));
}

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From source file:com.sitewhere.rabbitmq.RabbitMqInboundEventReceiver.java

License:Open Source License

@Override
public void start() throws SiteWhereException {
    executors = Executors.newFixedThreadPool(getNumConsumers());
    try {// w ww  .j a  v  a2  s  .  co m
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUri(getConnectionUri());
        this.connection = factory.newConnection(executors);
        this.channel = connection.createChannel();

        LOGGER.info("RabbitMQ receiver connected to: " + getConnectionUri());

        channel.queueDeclare(getQueueName(), isDurable(), false, false, null);

        LOGGER.info("RabbitMQ receiver using " + (isDurable() ? "durable " : "") + "queue: " + getQueueName());

        // Add consumer callback for channel.
        Consumer consumer = new DefaultConsumer(channel) {

            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {
                EventProcessingLogic.processRawPayload(RabbitMqInboundEventReceiver.this, body, null);
            }
        };
        channel.basicConsume(getQueueName(), true, consumer);
    } catch (Exception e) {
        throw new SiteWhereException("Unable to start RabbitMQ event receiver.", e);
    }
}

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From source file:com.sitewhere.sources.rabbitmq.RabbitMqInboundEventReceiver.java

License:Open Source License

private void connect() {

    try {//from   ww  w  . java2 s .  co  m

        this.connection = factory.newConnection(executors);

        connection.addShutdownListener(new ShutdownListener() {
            public void shutdownCompleted(ShutdownSignalException cause) {
                LOGGER.info("shutdown signal received", cause);

                // Do nothing if SiteWhere initiated the connection close
                if (!cause.isInitiatedByApplication()) {
                    connection = null;
                    scheduleReconnect();
                }
            }
        });

        this.channel = connection.createChannel();

        LOGGER.info("RabbitMQ receiver connected to: " + getConnectionUri());

        channel.queueDeclare(getQueueName(), isDurable(), false, false, null);

        LOGGER.info("RabbitMQ receiver using " + (isDurable() ? "durable " : "") + "queue: " + getQueueName());

        // Add consumer callback for channel.
        Consumer consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {
                onEventPayloadReceived(body, null);
            }
        };

        channel.basicConsume(getQueueName(), true, consumer);

    } catch (Exception e) {
        LOGGER.error("Connection Error", e);
        connection = null;
        scheduleReconnect();
    }

}

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From source file:controllerStuff.ControllerPublisher.java

private void attachControllerCallback(Controller controllerObject) {
    try {/*  w w w  . ja va 2 s.c om*/

        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.maxikg.messenger.queue.AmqpQueue.java

License:Apache License

@Override
public void addListener(final QueueListener listener) {
    try {//from  w  w  w.  ja v  a  2  s .co m
        channel.basicConsume(queueName, true, new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {
                String routingKey = envelope.getRoutingKey();
                int dotIndex = routingKey.indexOf('.');
                String namespace = routingKey.substring(0, dotIndex);
                String target = routingKey.substring(dotIndex + 1);
                String type = extractType(properties.getHeaders());

                listener.onMessage(namespace, target, type, body);
            }
        });
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}

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

License:Apache License

/**
 * Sets up a consumer that passes received messages to the
 * {@link MessageEndpointListener}s.//w w w . ja  va 2  s .  c o  m
 */
private void setUpConsumer() throws IOException {
    DefaultConsumer consumer = new DefaultConsumer(this.channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, BasicProperties properties,
                byte[] body) throws IOException {
            long deliveryTag = envelope.getDeliveryTag();
            super.getChannel().basicAck(deliveryTag, false);
            if (!properties.getAppId().equals(AMQPEndpoint.this.uuid.toString())) {
                MessageManifest mm = MessageFactory.decode(body);
                try {
                    URI responseURI = new URIBuilder().routingKey(properties.getReplyTo())
                            .instanceName(getName()).build();
                    mm.setResponseURI(responseURI);
                } catch (URISyntaxException e) { // this should never happen!
                    LOG.warn("Unable to create response URI for incoming message", e);
                }
                notifyMessageEndpointListeners(mm);
            }
        }
    };
    if (this.listenForTasks) {
        String queueName = QUEUE_NAME_TASKS + this.routingKey;
        this.channel.basicConsume(queueName, false, consumer);
    }
    this.channel.basicConsume(this.exclusiveQueueName, false, consumer);

    // listening to the remote shutdown
    ShutdownListener shutdownListener = new ShutdownListener() {
        @Override
        public void shutdownCompleted(ShutdownSignalException cause) {
            shutdown();
        }
    };
    this.channel.addShutdownListener(shutdownListener);
    //      if (this.channel.isOpen()) {
    //         handler.handleConnectionEvent(true);
    //      }
}

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