Example usage for com.rabbitmq.client Channel exchangeDeclare

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

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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:loanbroker.normalizer.NormalizerOurJsonBank.java

public static void main(String[] args) {
    try {/*w w w.  j a v  a  2s.com*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("datdb.cphbusiness.dk");
        factory.setPort(5672);
        factory.setUsername("student");
        factory.setPassword("cph");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, EXCHANGE_NAME, "");
        //channel.queueDeclare(RPC_QUEUE_NAME,false, false, false, null);
        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

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

        //producer 
        Channel channelOutput = connection.createChannel();
        channelOutput.exchangeDeclare(ExchangeName.GLOBAL, "direct");
        String queueNameProducer = channelOutput.queueDeclare().getQueue();
        channelOutput.queueBind(queueNameProducer, ExchangeName.GLOBAL, RoutingKeys.NormalizerToAggregator);

        LoanResponse loanResponse;
        while (true) {
            System.out.println("Reading");
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            System.out.println("CorrelationId: " + delivery.getProperties().getCorrelationId());

            String message = new String(delivery.getBody());

            JSONObject jsonObj = new JSONObject(message);

            loanResponse = new LoanResponse(jsonObj.getInt("ssn"), Math.ceil(jsonObj.getDouble("interestRate")),
                    "Our Json Bank", delivery.getProperties().getCorrelationId());
            System.out.println("renter: " + loanResponse.getInterestRate());
            System.out.println("ssn: " + loanResponse.getSsn());
            System.out.println("bank : " + loanResponse.getBank());
            System.out.println("JSON:" + loanResponse);
            System.out.println("TOstring:" + jsonObj.toString());
            Gson g = new Gson();
            String fm = g.toJson(loanResponse);
            channelOutput.basicPublish(ExchangeName.GLOBAL, RoutingKeys.NormalizerToAggregator, null,
                    fm.getBytes());

        }

    } catch (IOException | TimeoutException | InterruptedException e) {
        e.printStackTrace();
    }
}

From source file:loanbroker.normalizer.NormalizerOurSoapXmlBank.java

public static void main(String[] argv) throws IOException, InterruptedException, TimeoutException {
    //Connection/*from w ww  .  j  av a  2 s.  c  o m*/
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    //Consumer
    channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    //s channel.queueBind(queueName, EXCHANGE_NAME, "OurSoapXmlBank");
    channel.queueBind(queueName, EXCHANGE_NAME, "");
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, true, consumer);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    //Producer
    Channel channelOutput = connection.createChannel();
    channelOutput.exchangeDeclare("TeamFirebug", "direct");

    LoanResponse loanResponse;
    DtoOurSoapXmlBank dtoOurSoapXmlBank;
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String message = new String(delivery.getBody());
        String routingKey = delivery.getEnvelope().getRoutingKey();

        dtoOurSoapXmlBank = JAXB.unmarshal(new StringReader(message), DtoOurSoapXmlBank.class);
        loanResponse = new LoanResponse(dtoOurSoapXmlBank.getSsn(), dtoOurSoapXmlBank.getInterestRate(),
                "Our Soap Xml bank", delivery.getProperties().getCorrelationId());
        // loanResponse.setBank(routingKey);

        System.out.println("renter: " + loanResponse.getInterestRate());
        System.out.println("ssn: " + loanResponse.getSsn());
        System.out.println("bank : " + loanResponse.getBank());
        JSONObject jsonObj = new JSONObject(loanResponse);
        // channelOutput.basicPublish("", RoutingKeys.Aggregator, null, jsonObj.toString().getBytes());
        channelOutput.basicPublish("TeamFirebug", "normalizerToAggregator", null,
                jsonObj.toString().getBytes());
    }
}

From source file:loanbroker.normalizer.NormalizerTeachersJsonBank.java

public static void main(String[] args) {
    try {/*from ww  w .  java 2 s. co m*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("datdb.cphbusiness.dk");
        factory.setPort(5672);
        factory.setUsername("student");
        factory.setPassword("cph");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
        //String queueName = channel.queueDeclare().getQueue();
        //channel.queueBind(queueName, EXCHANGE_NAME, "");   
        channel.queueDeclare(RPC_QUEUE_NAME, false, false, false, null);
        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(RPC_QUEUE_NAME, true, consumer);
        //producer 
        Channel channelOutput = connection.createChannel();
        channelOutput.exchangeDeclare(ExchangeName.GLOBAL, "direct");
        String queueName = channelOutput.queueDeclare().getQueue();
        channelOutput.queueBind(queueName, ExchangeName.GLOBAL, "normalizerToAggregator");

        LoanResponse loanResponse;
        while (true) {
            System.out.println("Reading");
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            System.out.println("CorrelationId: " + delivery.getProperties().getCorrelationId());

            String message = new String(delivery.getBody());

            JSONObject jsonObj = new JSONObject(message);

            loanResponse = new LoanResponse(jsonObj.getInt("ssn"), jsonObj.getDouble("interestRate"),
                    "Teachers Json Bank", delivery.getProperties().getCorrelationId());
            System.out.println("renter: " + loanResponse.getInterestRate());
            System.out.println("ssn: " + loanResponse.getSsn());
            System.out.println("bank : " + loanResponse.getBank());
            //             System.out.println(" [x] Received '" + message + "'");
            System.out.println("JSON:" + loanResponse);
            System.out.println("TOstring:" + jsonObj.toString());
            Gson g = new Gson();
            String fm = g.toJson(loanResponse);
            channelOutput.basicPublish("TeamFirebug", "normalizerToAggregator", null, fm.getBytes());

        }

    } catch (IOException | TimeoutException | InterruptedException e) {
        e.printStackTrace();
    }
}

From source file:loanbroker.normalizer.NormalizerTeachersXmlBank.java

public static void main(String[] argv) throws IOException, InterruptedException, TimeoutException {
    //Connection/*from w  ww  . jav a 2  s .c om*/
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    //Consumer
    channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
    //String queueName = channel.queueDeclare().getQueue();
    //s channel.queueBind(queueName, EXCHANGE_NAME, "OurSoapXmlBank");
    channel.queueDeclare(RPC_QUEUE_NAME, false, false, false, null);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(RPC_QUEUE_NAME, true, consumer);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    //Producer
    Channel channelOutput = connection.createChannel();
    channelOutput.exchangeDeclare("TeamFirebug", "direct");

    while (true) {
        System.out.println("Reading");
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String message = new String(delivery.getBody());
        String routingKey = delivery.getEnvelope().getRoutingKey();

        DtoTeachersXmlBank dtoOurSoapXmlBank = JAXB.unmarshal(new StringReader(message),
                DtoTeachersXmlBank.class);
        LoanResponse loanResponse = new LoanResponse(dtoOurSoapXmlBank.getSsn(),
                dtoOurSoapXmlBank.getInterestRate(), "Teachers Xml Bank",
                delivery.getProperties().getCorrelationId());
        // loanResponse.setBank(routingKey);
        System.out.println("CorrelationId: " + delivery.getProperties().getCorrelationId());

        System.out.println("renter: " + loanResponse.getInterestRate());
        System.out.println("ssn: " + loanResponse.getSsn());
        System.out.println("bank : " + loanResponse.getBank());
        JSONObject jsonObj = new JSONObject(loanResponse);
        System.out.println("JSON:" + jsonObj);
        // channelOutput.basicPublish("", RoutingKeys.Aggregator, null, jsonObj.toString().getBytes());
        channelOutput.basicPublish("TeamFirebug", "normalizerToAggregator", null,
                jsonObj.toString().getBytes());
        delivery = null;
    }
}

From source file:loanbroker.RecipientList.java

public static void main(String[] args) throws Exception {
    //make correlationId for Aggregator

    //rabbit connect
    final String exchangeName = ExchangeName.OUTPUT_GET_BANKS;

    RabbitConnection rabbitConnection = new RabbitConnection();

    Channel channel = rabbitConnection.makeConnection();
    channel.exchangeDeclare(exchangeName, "fanout");

    String queueName = channel.queueDeclare().getQueue();

    //channel.queueBind(queueName, exchangeName, RoutingKeys.RecipientListInput);
    channel.queueBind(queueName, exchangeName, "");

    //get banks from queue. "Get banks" component
    QueueingConsumer consumer = new QueueingConsumer(channel) {
        String corrId = java.util.UUID.randomUUID().toString();

        @Override//from w  w w  .j  ava 2 s  .  c  om
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            //send to Aggregator first
            sendMessage(ExchangeName.GLOBAL, RoutingKeys.RecipientListToAggregator, message, corrId);

            //send to translator
            Message request = getFromJson(message);
            if (request.getBanks() != null) {
                for (Bank bank : request.getBanks()) {
                    sendMessage(ExchangeName.GLOBAL, bank.getRoutingKey(), message, corrId);
                    //remember that the component "Get banks" must choose which banks we need to send to(according to credit score)
                }
            }
        }
    };
    channel.basicConsume(queueName, true, consumer);

}

From source file:loanbroker.RecipientList.java

private static void sendMessage(String exchangeName, String routingKey, String msg, String corrId) {
    RabbitConnection rabbitConnection = new RabbitConnection();
    Channel channel = rabbitConnection.makeConnection();
    try {//from  w ww. j a  v  a2  s. co m
        //set correlationId for Aggregator
        AMQP.BasicProperties props = new AMQP.BasicProperties.Builder().correlationId(corrId).build();

        channel.exchangeDeclare(exchangeName, "direct");
        channel.basicPublish(exchangeName, routingKey, props, msg.getBytes("UTF-8"));
        rabbitConnection.closeChannelAndConnection();
        System.out.println(" [x] Sent :" + routingKey + " " + msg + "");
    } catch (IOException ex) {
        System.out.println("Error in RecipientList class - sendToTranslator()");
        System.out.println(ex.getStackTrace());
    }

}

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

License:Open Source License

/**
 * Create a new subscriber service./*from  w  w  w.  ja va  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.roboconf.messaging.internal.utils.RabbitMqUtils.java

License:Apache License

/**
 * Declares the required exchanges for an application.
 * <p>//from   www . j  a  v  a  2s .c om
 * Every time the DM or an agent must send a message, we must be sure
 * all the exchanges have been declared. Otherwise, it will result in
 * an error in the client. And this error will close the channel.
 * </p>
 * <p>
 * To PREVENT stupid errors, it is really important to declare
 * both exchanges at once!
 * </p>
 *
 * @param applicationName the application name
 * @param channel the RabbitMQ channel
 * @throws IOException if an error occurs
 */
public static void declareApplicationExchanges(String applicationName, Channel channel) throws IOException {

    // Exchange declaration is idem-potent
    String dmExchangeName = buildExchangeName(applicationName, true);
    channel.exchangeDeclare(dmExchangeName, "fanout");
    // "fanout" is a keyword for RabbitMQ.
    // It broadcasts all the messages to all the queues this exchange knows.

    String agentExchangeName = buildExchangeName(applicationName, false);
    channel.exchangeDeclare(agentExchangeName, "topic");
    // "topic" is a keyword for RabbitMQ.
}

From source file:net.roboconf.messaging.rabbitmq.internal.utils.RabbitMqUtils.java

License:Apache License

/**
 * Declares the required exchanges for an application (only for agents).
 * @param domain the domain name/*from  ww  w .  java2s  .c o m*/
 * @param applicationName the application name
 * @param channel the RabbitMQ channel
 * @throws IOException if an error occurs
 */
public static void declareApplicationExchanges(String domain, String applicationName, Channel channel)
        throws IOException {

    // "topic" is a keyword for RabbitMQ.
    if (applicationName != null) {
        String exch = buildExchangeNameForAgent(domain, applicationName);
        channel.exchangeDeclare(exch, "topic");
    }
}

From source file:net.roboconf.messaging.rabbitmq.internal.utils.RabbitMqUtils.java

License:Apache License

/**
 * Declares the global exchanges (those that do not depend on an application).
 * <p>//from  w w  w .jav  a 2s .c  om
 * It includes the DM exchange and the one for inter-application exchanges.
 * </p>
 *
 * @param channel the RabbitMQ channel
 * @throws IOException if an error occurs
 */
public static void declareGlobalExchanges(String domain, Channel channel) throws IOException {

    // "topic" is a keyword for RabbitMQ.
    channel.exchangeDeclare(buildExchangeNameForTheDm(domain), "topic");
    channel.exchangeDeclare(buildExchangeNameForInterApp(domain), "topic");
}