Example usage for com.rabbitmq.client Channel queueDeclare

List of usage examples for com.rabbitmq.client Channel queueDeclare

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Introduction

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

Prototype

Queue.DeclareOk queueDeclare(String queue, boolean durable, boolean exclusive, boolean autoDelete,
        Map<String, Object> arguments) throws IOException;

Source Link

Document

Declare a queue

Usage

From source file:mx.bigdata.utils.amqp.AMQPClientHelperImpl.java

License:Apache License

public String createQueue(Channel channel, String key, boolean durable, boolean exclusive, boolean autoDelete)
        throws Exception {
    String queueName = getQueueName(key);
    channel.queueDeclare(queueName, durable, exclusive, autoDelete, null);
    channel.queueBind(queueName, getExchangeName(key), getRoutingKey(key));
    return queueName;
}

From source file:net.echinopsii.ariane.community.messaging.rabbitmq.ServiceFactory.java

License:Open Source License

/**
 * (internal usage)/*from   ww  w.  j a  v a  2  s. co m*/
 * Create a new MomConsumer to consume message from RabbitMQ source and forward them to the request actor.
 *
 * @param source request source queue
 * @param channel RabbitMQ channel
 * @param requestActor request actor ref to treat the message
 * @param isMsgDebugOnTimeout debug on timeout if true
 * @return the new MomConsumer
 */
private static MomConsumer createConsumer(final String source, final Channel channel,
        final ActorRef requestActor, final boolean isMsgDebugOnTimeout) {
    return new MomConsumer() {
        private boolean isRunning = false;

        @Override
        public void run() {
            try {
                Map<String, Object> finalMessage;
                channel.queueDeclare(source, false, false, true, null);

                QueueingConsumer consumer = new QueueingConsumer(channel);
                channel.basicConsume(source, false, consumer);
                isRunning = true;

                while (isRunning) {
                    try {
                        QueueingConsumer.Delivery delivery = consumer.nextDelivery(10);
                        if (delivery != null && isRunning) {
                            finalMessage = translator.decode(new Message().setEnvelope(delivery.getEnvelope())
                                    .setProperties(delivery.getProperties()).setBody(delivery.getBody()));
                            if (((HashMap) finalMessage).containsKey(MomMsgTranslator.MSG_TRACE)
                                    && isMsgDebugOnTimeout)
                                ((MomLogger) log).setMsgTraceLevel(true);
                            ((MomLogger) log).traceMessage("MomConsumer(" + source + ").run", finalMessage);
                            requestActor.tell(delivery, null);
                            if (((HashMap) finalMessage).containsKey(MomMsgTranslator.MSG_TRACE)
                                    && isMsgDebugOnTimeout)
                                ((MomLogger) log).setMsgTraceLevel(false);
                        }
                    } catch (InterruptedException e) {
                        // no message
                    }
                }

            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                try {
                    if (channel.getConnection() != null && channel.getConnection().isOpen()) {
                        channel.queueDelete(source);
                        //channel.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        @Override
        public boolean isRunning() {
            return isRunning;
        }

        @Override
        public void start() {
            new Thread(this).start();
        }

        @Override
        public void stop() {
            isRunning = false;
            try {
                Thread.sleep(20);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    };
}

From source file:net.echinopsii.ariane.community.messaging.rabbitmq.ServiceFactory.java

License:Open Source License

/**
 * Create a new subscriber service./*from  w w  w.  j a  v a 2  s.  c  om*/
 *
 * @param baseSource the feed base source
 * @param selector the selector on the feed source (can be null)
 * @param feedWorker the feed message worker
 * @return the new subscriber service
 */
@Override
public MomAkkaService subscriberService(final String baseSource, String selector, AppMsgWorker feedWorker) {
    MomAkkaService ret = null;
    ActorRef subsActor;
    MomConsumer consumer;
    final Connection connection = ((Client) super.getMomClient()).getConnection();

    if (selector == null || selector.equals(""))
        selector = "#";

    if (connection != null && connection.isOpen()) {
        subsActor = super.getMomClient().getActorSystem().actorOf(MsgSubsActor.props(feedWorker),
                baseSource + "." + ((selector.equals("#")) ? "all" : selector) + "_msgWorker");
        final ActorRef runnableSubsActor = subsActor;
        final String select = selector;
        final Client cli = ((Client) super.getMomClient());

        consumer = new MomConsumer() {
            private boolean isRunning = false;

            @Override
            public void run() {
                Channel channel = null;
                try {
                    channel = connection.createChannel();
                    channel.exchangeDeclare(baseSource, "topic");

                    String queueName = cli.getClientID() + "_SUBS_2_" + baseSource + "." + select;
                    channel.queueDeclare(queueName, false, true, false, null);
                    channel.queueBind(queueName, baseSource, select);

                    QueueingConsumer consumer = new QueueingConsumer(channel);
                    channel.basicConsume(queueName, true, consumer);

                    isRunning = true;

                    while (isRunning) {
                        try {
                            QueueingConsumer.Delivery delivery = consumer.nextDelivery(10);
                            if (delivery != null && isRunning)
                                runnableSubsActor.tell(delivery, null);
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }

                    }
                    if (channel.getConnection().isOpen())
                        channel.close();

                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    try {
                        if (channel.getConnection().isOpen())
                            channel.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }

            @Override
            public boolean isRunning() {
                return isRunning;
            }

            @Override
            public void start() {
                new Thread(this).start();
            }

            @Override
            public void stop() {
                isRunning = false;
                try {
                    Thread.sleep(20);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        };

        consumer.start();
        ret = new MomAkkaService().setMsgWorker(subsActor).setConsumer(consumer)
                .setClient(super.getMomClient());
        super.getServices().add(ret);
    }
    return ret;
}

From source file:net.es.netshell.rabbitmq.Box.java

License:Open Source License

public Queue createQueue(String symLink, Channel channel) throws Exception {
    String queueName = UUID.randomUUID().toString();
    channel.queueDeclare(queueName, false, false, true, null);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, true, symLink, false, false, null, consumer);

    return new Queue(queueName, symLink);
}

From source file:net.es.netshell.rabbitmq.Box.java

License:Open Source License

public String queryQueue(String sendQueue, String token, Channel channel, String symLink) throws Exception {

    // Create random UUID for producer's temporary queue
    String uuid = UUID.randomUUID().toString();
    // Declare this temporary queue and start listening (exclusive queue).
    channel.queueDeclare(uuid, false, true, true, null);
    QueueingConsumer consumer = new QueueingConsumer(channel);

    // Send TOKEN_REQUEST with curent username.
    String message = token + ":QUEUE_QUERY" + ":" + uuid + ":"
            + KernelThread.currentKernelThread().getUser().getName() + ":" + symLink;

    channel.basicPublish("", sendQueue, null, message.getBytes());
    // Start consuming to receive token.
    channel.basicConsume(uuid, true, "tokenRequest", false, true, null, consumer);
    QueueingConsumer.Delivery delivery = consumer.nextDelivery();

    // When token is received, store in "token."
    String queueName = new String(delivery.getBody());
    // Delete temporary queue
    channel.queueDelete(uuid);//  w w w  .ja  v a2s  . c om

    return queueName;

}

From source file:net.es.netshell.rabbitmq.Consume.java

License:Open Source License

public void consumeMessage() throws Exception {
    if (queueName == null) {
        queueName = new UUIDManager(QUEUE_FILE).checkUUID();
    }/*from  w  w  w .ja va2 s.  c  o  m*/
    ConnectionFactory factory = new SSLConnection(info).createConnection();
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(queueName, false, false, true, null);
    System.out.println(" [*] Waiting for messages.");

    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, true, "consumer", false, false, null, consumer);

    //while (true) {
    QueueingConsumer.Delivery delivery = consumer.nextDelivery();
    ByteArrayInputStream bais = new ByteArrayInputStream(delivery.getBody());
    ObjectInputStream in = new ObjectInputStream(bais);
    DefaultListenableGraph g = (DefaultListenableGraph) in.readObject();
    System.out.println(" [x] Received Message");

    // GraphViewer view = new GraphViewer(g);
    // view.init();

    //         if (message.substring(0,13).equals("TOKEN_REQUEST")) {
    //            String[] token = new ProcessTokenRequest(message, channel).sendToken();
    //            permissions.put(token[0], token[1]);
    //            //String[] messageSplit = message.split(":");
    //            //sendToken(messageSplit[1], messageSplit[2], channel);
    //         } else {
    //            String[] messageSplit = message.split(":", 2);
    //            if (permissions.containsKey(messageSplit[0])) {
    //               System.out.println(" [x] Received '" + messageSplit[1] + "' from: " + permissions.get(messageSplit[0]));
    //            } else {
    //               System.out.println(" ERROR: INVALID TOKEN PROVIDED IN MESSAGE");
    //            }
    //         }
    //}

    channel.queueDelete(queueName);
    channel.close();
    connection.close();
}

From source file:net.es.netshell.rabbitmq.CreateToken.java

License:Open Source License

public CreateToken(BrokerInfo info, Channel tokenChannel, String listenerID) throws Exception {
    // Info on data needed to create a connection
    this.info = info;

    // Create random UUID for producer's temporary queue
    String uuid = UUID.randomUUID().toString();
    // Declare this temporary queue and start listening (exclusive queue).
    tokenChannel.queueDeclare(uuid, false, true, true, null);
    QueueingConsumer consumer = new QueueingConsumer(tokenChannel);

    // Send TOKEN_REQUEST with current username.
    String message = "TOKEN_REQUEST" + ":" + uuid + ":"
            + KernelThread.currentKernelThread().getUser().getName();

    tokenChannel.basicPublish("", listenerID, null, message.getBytes());
    // Start consuming to receive token.
    tokenChannel.basicConsume(uuid, true, "tokenRequest", false, false, null, consumer);
    QueueingConsumer.Delivery delivery = consumer.nextDelivery();

    // When token is received, store in "token."
    token = new String(delivery.getBody());
    // Delete temporary queue
    tokenChannel.queueDelete(uuid);/*from w  w w.  jav  a  2  s.c om*/
}

From source file:net.es.netshell.rabbitmq.Publish.java

License:Open Source License

public void Publish(Object object) throws Exception {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ObjectOutput objOut = new ObjectOutputStream(os);

    objOut.writeObject(object);//from  w ww  . ja va 2  s  .  c om
    byte byteForm[] = os.toByteArray();
    objOut.close();
    os.close();

    if (queueName == null) {
        queueName = new UUIDManager(QUEUE_FILE).checkUUID();
    }

    ConnectionFactory factory = new SSLConnection(info).createConnection();
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(queueName, false, false, true, null);
    channel.basicPublish("", queueName, null, byteForm);
    System.out.println(" [x] Sent Message");

    channel.close();
    connection.close();

}

From source file:net.es.netshell.rabbitmq.Publish.java

License:Open Source License

public void Publish(String[] argv) throws Exception {

    if (queueName == null) {
        queueName = new UUIDManager(QUEUE_FILE).checkUUID();
    }/* w  w  w . j  a  v a  2  s .c  o  m*/
    String message = new ParseMessage(argv).getMessage();

    ConnectionFactory factory = new SSLConnection(info).createConnection();
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    token = new CreateToken(info, channel, queueName).getToken();

    message = token + ":" + message;

    channel.queueDeclare(queueName, false, false, true, null);
    channel.basicPublish("", queueName, null, message.getBytes());
    System.out.println(" [x] Sent '" + message + "'");

    channel.close();
    connection.close();
}

From source file:net.lshift.accent.ConnectionSmokeTest.java

License:Apache License

@Test
public void shouldConnectPublishAndConsume() throws IOException, InterruptedException {
    AccentConnection conn = new AccentConnection(directFactory(), AccentTestUtils.printingFailureLogger());
    try {/* w  w w  .j a  v a  2  s. c  om*/
        AccentChannel ch = conn.createChannel();

        // Add a setup listener to create the queue
        ch.addChannelSetupListener(new ChannelListenerAdapter() {
            @Override
            public void channelCreated(Channel c) throws IOException {
                c.queueDeclare("accent.testq", false, false, true, null);
            }
        });

        QueueingConsumer consumer = new QueueingConsumer(null);
        AccentConsumer aConsumer = new AccentConsumer(ch, "accent.testq", consumer);

        AccentConfirmPublisher publisher = new AccentConfirmPublisher(ch);
        publisher.reliablePublish("", "accent.testq", new AMQP.BasicProperties(), new byte[0]);

        QueueingConsumer.Delivery d = consumer.nextDelivery(10000);

        assertNotNull(d);
        assertEquals(0, d.getBody().length);

        aConsumer.reliableAck(d.getEnvelope().getDeliveryTag(), false);

        ch.close();
    } finally {
        closeQuietly(conn);
    }
}