Example usage for com.rabbitmq.client Channel exchangeDeclare

Introduction

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

Prototype

Exchange.DeclareOk exchangeDeclare(String exchange, BuiltinExchangeType type) throws IOException;

Source Link

Document

Actively declare a non-autodelete, non-durable exchange with no extra arguments

Usage

From source file:OnlyPackege.TheMightyBank.java

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

    JSONParser jsonParster = new JSONParser();

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel recvChannel = connection.createChannel();

    recvChannel.exchangeDeclare(EXCHANGE_NAME, "fanout");

    String queueName = recvChannel.queueDeclare().getQueue();
    recvChannel.queueBind(queueName, EXCHANGE_NAME, "");

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

    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String responseQueue = delivery.getProperties().getReplyTo();

        Channel sendChannel = connection.createChannel();
        sendChannel.queueDeclare(responseQueue, false, false, false, null);

        String message = new String(delivery.getBody());
        JSONObject recvObj = (JSONObject) jsonParster.parse(message);

        //to be deleted after testing
        System.out.println(" [x] Received '" + message + "'");

        JSONObject obj = new JSONObject();
        obj.put("ssn", recvObj.get("ssn"));
        obj.put("interestRate", Math.random() * 10);

        sendChannel.basicPublish("", responseQueue, null, obj.toJSONString().getBytes());
    }//w w  w . j a  va 2s  . c o m
}

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From source file:org.apache.airavata.datacat.agent.messageBroker.AiravataUpdateListener.java

License:Apache License

public void startBroker() {
    (new Thread(new Runnable() {
        @Override//w  w w.  j a  v a  2 s . co m
        public void run() {
            try {
                ConnectionFactory factory = new ConnectionFactory();
                factory.setHost(RABBITMQ_HOST);

                Connection connection = factory.newConnection();
                Channel channel = connection.createChannel();

                channel.exchangeDeclare(EXCHANGE_NAME, "topic");
                String queueName = channel.queueDeclare().getQueue();

                channel.basicQos(1);
                channel.queueBind(queueName, EXCHANGE_NAME, BINDING_KEY);

                logger.debug("Waiting for messages. To exit press CTRL+C");

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

                while (runFileUpdateListener) {
                    QueueingConsumer.Delivery delivery = consumer.nextDelivery();

                    Message message = new Message();
                    ThriftUtils.createThriftFromBytes(delivery.getBody(), message);
                    TBase event = null;

                    if (message.getMessageType().equals(MessageType.EXPERIMENT_OUTPUT)) {

                        ExperimentOutputCreatedEvent experimentOutputCreatedEvent = new ExperimentOutputCreatedEvent();
                        ThriftUtils.createThriftFromBytes(message.getEvent(), experimentOutputCreatedEvent);

                        logger.debug(" Message Received with message id '" + message.getMessageId()
                                + "' and with message type '" + message.getMessageType()
                                + "'  with experiment name "
                                + experimentOutputCreatedEvent.getExperimentName());

                        event = experimentOutputCreatedEvent;

                        logger.debug(" [x] Received FileInfo Message'");
                        process(experimentOutputCreatedEvent, message.getUpdatedTime());
                        logger.debug(" [x] Done Processing FileInfo Message");
                    } else {
                        logger.debug("Recieved message of type ..." + message.getMessageType());
                    }
                }
            } catch (Exception e) {
                logger.error(e);
            }
        }

    })).start();

}

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From source file:org.apache.airavata.datacat.agent.org.apache.airavata.datacat.agent.messageBroker.RabbitMQConsumerTest.java

License:Apache License

/**
 * Test method to publish dummy data to RabbitMQ
 * @param messageType//from  www.j  a va 2  s  .c  o m
 * @throws java.io.IOException
 * @throws TException
 */
public void publish(MessageType messageType) throws java.io.IOException, TException {

    //establishing the connection
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(RABBITMQ_HOST);
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, "topic");

    String DATA_ROOT = AgentProperties.getInstance().getProperty(Constants.DATA_ROOT, "");

    //creating the output created Event
    ExperimentOutputCreatedEvent event = new ExperimentOutputCreatedEvent();
    event.setExperimentId("test");
    event.setOutputPath(DATA_ROOT + "/2H2OOHNCmin.com.out");

    //serializing the event
    byte[] body = ThriftUtils.serializeThriftObject(event);
    Message message = new Message();
    message.setEvent(body);
    message.setMessageId("sad");
    message.setMessageType(messageType);
    message.setUpdatedTime(993344232);
    String routingKey = "*";

    //serializing the message object
    byte[] messageArray = ThriftUtils.serializeThriftObject(message);
    channel.basicPublish(EXCHANGE_NAME, BINDING_KEY, null, messageArray);

    logger.debug(" [x] Sent '" + message + "'");

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

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From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPBroadcastReceiverImpl.java

License:Apache License

public void Subscribe() throws AMQPException {
    if (callback != null) {
        try {/*from  w w w.j  a v  a  2 s.c  om*/
            Connection connection = connectionFactory.newConnection();

            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_FANOUT, AMQPUtil.EXCHANGE_TYPE_FANOUT);

            String queueName = channel.queueDeclare().getQueue();
            channel.queueBind(queueName, AMQPUtil.EXCHANGE_NAME_FANOUT, "");

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

            while (true) {
                QueueingConsumer.Delivery delivery = consumer.nextDelivery();
                String message = new String(delivery.getBody());

                callback.onMessage(message);
            }
        } catch (Exception e) {
            throw new AMQPException(e);
        }
    }
}

---

From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPBroadcastSenderImpl.java

License:Apache License

public void Send(OMElement message) throws AMQPException {
    try {//from  w w  w  .j  a  v a2  s.  c  o m
        if (isRoutable(message)) {
            Connection connection = connectionFactory.newConnection();
            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_FANOUT, AMQPUtil.EXCHANGE_TYPE_FANOUT);

            channel.basicPublish(AMQPUtil.EXCHANGE_NAME_FANOUT, "", null, message.toString().getBytes());

            channel.close();
            connection.close();
        }
    } catch (IOException e) {
        throw new AMQPException(e);
    }
}

---

From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPReceiverImpl.java

License:Apache License

public void Subscribe(AMQPRoutingKey key) throws AMQPException {
    if (callback != null) {
        try {//from w  w  w  .j a  va 2  s  .  co m
            Connection connection = connectionFactory.newConnection();

            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_DIRECT, AMQPUtil.EXCHANGE_TYPE_DIRECT);

            String queueName = channel.queueDeclare().getQueue();
            channel.queueBind(queueName, AMQPUtil.EXCHANGE_NAME_DIRECT, key.getNativeKey());

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

            while (true) {
                QueueingConsumer.Delivery delivery = consumer.nextDelivery();
                String message = new String(delivery.getBody());

                callback.onMessage(message);
            }
        } catch (Exception e) {
            throw new AMQPException(e);
        }
    }
}

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From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPSenderImpl.java

License:Apache License

public void Send(OMElement message) throws AMQPException {
    try {/*from  ww  w  .j  av  a 2s . c  om*/
        if (isRoutable(message)) {
            Connection connection = connectionFactory.newConnection();
            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_DIRECT, AMQPUtil.EXCHANGE_TYPE_DIRECT);

            List<String> routingKeys = new ArrayList<String>();
            getRoutingKeys(message, routingKeys);

            for (String routingKey : routingKeys) {
                channel.basicPublish(AMQPUtil.EXCHANGE_NAME_DIRECT, routingKey, null,
                        message.toString().getBytes());
            }

            channel.close();
            connection.close();
        }
    } catch (IOException e) {
        throw new AMQPException(e);
    }
}

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From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPTopicReceiverImpl.java

License:Apache License

public void Subscribe(AMQPRoutingKey topic) throws AMQPException {
    if (callback != null) {
        try {//from w w  w.  ja  va 2  s .com
            Connection connection = connectionFactory.newConnection();

            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_TOPIC, AMQPUtil.EXCHANGE_TYPE_TOPIC);

            String queueName = channel.queueDeclare().getQueue();
            channel.queueBind(queueName, AMQPUtil.EXCHANGE_NAME_TOPIC, topic.getNativeKey());

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

            while (true) {
                QueueingConsumer.Delivery delivery = consumer.nextDelivery();
                String message = new String(delivery.getBody());

                callback.onMessage(message);
            }
        } catch (Exception e) {
            throw new AMQPException(e);
        }
    }
}

---

From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPTopicSenderImpl.java

License:Apache License

public void Send(OMElement message) throws AMQPException {
    try {/* w ww . ja v  a 2s .  c  o  m*/
        if (isRoutable(message)) {
            Connection connection = connectionFactory.newConnection();
            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_TOPIC, AMQPUtil.EXCHANGE_TYPE_TOPIC);

            List<String> routingKeys = new ArrayList<String>();
            getRoutingKeys(message, routingKeys);

            for (String routingKey : routingKeys) {
                channel.basicPublish(AMQPUtil.EXCHANGE_NAME_TOPIC, routingKey, null,
                        message.toString().getBytes());
            }

            channel.close();
            connection.close();
        }
    } catch (IOException e) {
        throw new AMQPException(e);
    }
}

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From source file:org.apache.beam.sdk.io.rabbitmq.RabbitMqIOTest.java

License:Apache License

@Test(timeout = 60 * 1000)
public void testReadExchange() throws Exception {
    final int maxNumRecords = 10;
    PCollection<RabbitMqMessage> raw = p.apply(RabbitMqIO.read().withUri("amqp://guest:guest@localhost:" + port)
            .withExchange("READEXCHANGE", "fanout", "test").withMaxNumRecords(maxNumRecords));
    PCollection<String> output = raw.apply(MapElements.into(TypeDescriptors.strings())
            .via((RabbitMqMessage message) -> new String(message.getBody(), StandardCharsets.UTF_8)));

    List<String> records = generateRecords(maxNumRecords).stream()
            .map(record -> new String(record, StandardCharsets.UTF_8)).collect(Collectors.toList());
    PAssert.that(output).containsInAnyOrder(records);

    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.setUri("amqp://guest:guest@localhost:" + port);
    Connection connection = null;
    Channel channel = null;
    try {/* w  ww.  j a  va2s  . c  o  m*/
        connection = connectionFactory.newConnection();
        channel = connection.createChannel();
        channel.exchangeDeclare("READEXCHANGE", "fanout");
        Channel finalChannel = channel;
        Thread publisher = new Thread(() -> {
            try {
                Thread.sleep(5000);
            } catch (Exception e) {
                LOG.error(e.getMessage(), e);
            }
            for (int i = 0; i < maxNumRecords; i++) {
                try {
                    finalChannel.basicPublish("READEXCHANGE", "test", null,
                            ("Test " + i).getBytes(StandardCharsets.UTF_8));
                } catch (Exception e) {
                    LOG.error(e.getMessage(), e);
                }
            }
        });
        publisher.start();
        p.run();
        publisher.join();
    } finally {
        if (channel != null) {
            channel.close();
        }
        if (connection != null) {
            connection.close();
        }
    }
}

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