Example usage for com.rabbitmq.client Channel basicConsume

Introduction

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

Prototype

String basicConsume(String queue, boolean autoAck, Consumer callback) throws IOException;

Source Link

Document

Start a non-nolocal, non-exclusive consumer, with a server-generated consumerTag.

Usage

From source file:loanbroker.Aggregator.java

public void reciveFromRecieptList(Hashtable<String, Message> messagesFromBankList)
        throws IOException, TimeoutException, Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(hostName);/*from   ww w  . j a va 2 s  .  c o m*/
    factory.setPort(5672);
    factory.setUsername("student");
    factory.setPassword("cph");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(ExchangeName.GLOBAL, "direct");
    String queueName = channel.queueDeclare().getQueue();

    channel.queueBind(queueName, ExchangeName.GLOBAL, RoutingKeys.RecipientListToAggregator);
    System.out.println(" [*] Waiting for messages on " + ExchangeName.GLOBAL
            + RoutingKeys.RecipientListToAggregator + ".. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String m = new String(body, "UTF-8");
            // System.out.println("reciveFromRecieptList" + m);
            String p = properties.getCorrelationId();
            if (p != null) {
                //send to translator
                Gson g = new Gson();
                Message fm = g.fromJson(m, Message.class);
                if (fm.getBanks() != null) {
                    Message k = new Message(fm.getSsn(), fm.getCreditScore(), fm.getLoanAmount(),
                            fm.getLoanDuration());

                    k.setBanks(fm.getBanks());

                    messagesFromBankList.put(p, k);
                }

                System.out.println(" [x] Received '" + envelope.getRoutingKey() + "':'" + fm.toString() + "'");
                //   System.out.println(" [x] Received '" + envelope.getRoutingKey() + "':'" + m + "'");
            } else {
                System.out.println("No correlationId");
            }

        }
    };
    channel.basicConsume(queueName, true, consumer);
}

---

From source file:loanbroker.GetCreditScore.java

void recive() throws IOException, TimeoutException, InterruptedException, Exception {
    //setting the connection to the RabbitMQ server
    ConnectionFactory connfac = new ConnectionFactory();
    connfac.setHost(hostName);//w ww.  j ava  2s.c  o m
    connfac.setUsername("student");
    connfac.setPassword("cph");

    //make the connection
    Connection conn = connfac.newConnection();
    //make the channel for messaging
    Channel chan = conn.createChannel();

    //Declare a queue
    chan.exchangeDeclare(ExchangeName.OUTPUT_LOAN_REQUEST, "fanout");
    String queueName = chan.queueDeclare().getQueue();
    chan.queueBind(queueName, ExchangeName.OUTPUT_LOAN_REQUEST, "");

    System.out.println(
            " [*] Waiting for messages on " + ExchangeName.OUTPUT_LOAN_REQUEST + ". To exit press CTRL+C");

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

    //start polling messages
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String m = new String(delivery.getBody());
        System.out.println(" [x] Received '" + m + "'");
        Gson gson = new GsonBuilder().create();
        Message fm = gson.fromJson(m, Message.class);
        int creditScore = creditScore(fm.getSsn());
        fm.setCreditScore(creditScore);
        fm.setSsn(fm.getSsn().replace("-", ""));
        send(fm);

    }

}

---

From source file:loanbroker.normalizer.NormalizerOurJsonBank.java

public static void main(String[] args) {
    try {//  w  w w .j ava2  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(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 w  w . j a  v  a 2 s . com
    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 {/* ww w. j a  va  2  s.c om*/
        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// w w  w. j  a  v a2 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.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 a  v 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");
            //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.Result.java

public void reciveResultFromAggregator() throws IOException, TimeoutException, Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(hostName);/*from   w  ww  .j  a  va 2s  . c om*/
    factory.setPort(5672);
    factory.setUsername("student");
    factory.setPassword("cph");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, ExchangeName.GLOBAL, RoutingKeys.Result);
    System.out.println(" [*] Waiting for messages on " + ExchangeName.GLOBAL + RoutingKeys.Result
            + ".. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String m = new String(body, "UTF-8");
            //  System.out.println("reciveFromRecieptList"+ m);
            String p = properties.getCorrelationId();

            Gson gson = new GsonBuilder().create();
            LoanResponse fm = gson.fromJson(m, LoanResponse.class);

            // System.out.println(" [x] Received '" + envelope.getRoutingKey() + "':'" + fm.toString() + "'");
            //   System.out.println(" [x] Received '" + envelope.getRoutingKey() + "':'" + m + "'");
            System.out.println("**** [info]**** You're best interestrate is '" + fm.getInterestRate()
                    + "' on the CPR number. '" + fm.getSsn() + "' at '" + fm.getBank() + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

---

From source file:localdomain.localhost.RabbitMQClient.java

License:Apache License

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    try {/*from  w  ww .j  a  v  a  2 s  .  c  o m*/
        ConnectionFactory factory = new ConnectionFactory();
        String messages = new String();

        String uri = System.getProperty("CLOUDAMQP_URL");
        factory.setUri(uri);

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

        channel.queueDeclare(QUEUE_NAME, true, false, false, null);

        QueueingConsumer consumer = new QueueingConsumer(channel);

        boolean autoACK = false;
        channel.basicConsume(QUEUE_NAME, autoACK, consumer);

        System.out.println(" [*] Waiting 100ms for a message");
        QueueingConsumer.Delivery delivery = consumer.nextDelivery(100);

        while (delivery != null) {
            String message = new String(delivery.getBody());

            System.out.println(" [x] Received '" + message + "'");

            channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);

            messages = message + " <br/> " + messages;
            delivery = consumer.nextDelivery(100);
        }
        request.setAttribute("messages", messages);
        request.getRequestDispatcher("/index.jsp").forward(request, response);

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

    } catch (Exception e) {
        request.setAttribute("throwable", e);
        request.getRequestDispatcher("/index.jsp").forward(request, response);
    }

}

---

From source file:mapas.Mapas.java

public static void main(String[] args) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    factory.setPassword("test");
    factory.setUsername("test");
    final Connection connection = factory.newConnection();

    final Channel channel = connection.createChannel();

    channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    channel.basicQos(1);/*from   w  w w .j  a v a2s .c  o  m*/

    final Consumer consumer = new DefaultConsumer(channel) {
        @Override
        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 + "'");
            try {
                doWork(message);
            } catch (Exception e) {
                System.out.println(e.getMessage());
            }
            System.out.println(" [x] Done");
            channel.basicAck(envelope.getDeliveryTag(), false);

        }
    };
    channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
}

---

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