Example usage for com.rabbitmq.client Channel basicPublish

Introduction

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

Prototype

void basicPublish(String exchange, String routingKey, BasicProperties props, byte[] body) throws IOException;

Source Link

Document

Publish a message.

Usage

From source file:sonata.kernel.WimAdaptor.messaging.RabbitMqProducer.java

License:Open Source License

@Override
public boolean sendMessage(ServicePlatformMessage message) {
    boolean out = true;

    // TODO maps the specific Adaptor message to the proper SP topic

    try {/*from w ww  .  j ava  2s  .  c o m*/
        Channel channel = connection.createChannel();
        String exchangeName = brokerConfig.getProperty("exchange");
        channel.exchangeDeclare(exchangeName, "topic");
        BasicProperties properties = new BasicProperties().builder().appId(WimAdaptorCore.APP_ID)
                .contentType(message.getContentType()).replyTo(message.getReplyTo())
                .correlationId(message.getSid()).build();
        channel.basicPublish(exchangeName, message.getTopic(), properties, message.getBody().getBytes("UTF-8"));
        // System.out.println(
        // "[northbound] - sending message: " + message + "\n\r - Properties:" + properties);
    } catch (Exception e) {
        e.printStackTrace();
        out = false;
    }
    return out;
}

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From source file:taucalcmanager.TaucalcManager.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException/* www .  j a  v  a  2s.co  m*/
 * @throws java.util.concurrent.TimeoutException
 */
public static void main(String[] args) throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    channel.queueDeclare(WORKQUEUENAME, false, false, false, null);
    channel.queueDeclare(RESULTQUEUENAME, false, false, false, null);
    channel.basicQos(1);

    int calcs = Integer.parseInt(args[0]);
    int triesPerCalc = Integer.parseInt(args[1]);
    int[] results = new int[calcs];
    byte[] task = { (byte) (triesPerCalc >> 24), (byte) (triesPerCalc >> 16), (byte) (triesPerCalc >> 8),
            (byte) (triesPerCalc) };

    System.out.println("Start Publishing");
    for (int i = 0; i < calcs; i++) {
        channel.basicPublish("", WORKQUEUENAME, null, task);
    }
    System.out.println("Done Publishing");
    GetResponse response;
    System.out.println("Start Gathering results");
    for (int i = 0; i < calcs; i++) {
        System.out.println("Waiting for next result: ( " + i + " )");
        do {
            response = channel.basicGet(RESULTQUEUENAME, true);
        } while (response == null);

        results[i] = ByteBuffer.wrap(response.getBody()).getInt();
        System.out.println("Received result: " + results[i]);
    }
    System.out.println("Done gathering results");
    System.out.println("Calculating tau");
    BigDecimal result = sumToTau(sum(results), calcs, triesPerCalc);
    System.out.println("Tau = " + result);
    BigDecimal two = new BigDecimal(2);
    System.out.println("pi = tau/2 = " + result.divide(two, RoundingMode.HALF_UP));
    channel.close();
    connection.close();
}

---

From source file:taucalcworker.TaucalcWorker.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException/*from w  w  w. j av a2s.co  m*/
 * @throws java.util.concurrent.TimeoutException
 */
public static void main(String[] args) throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    channel.queueDeclare(WORKQUEUENAME, false, false, false, null);
    channel.queueDeclare(RESULTQUEUENAME, false, false, false, null);
    channel.basicQos(1);

    byte[] inputbyte = { 0, 0, 0, 0 };
    String input = "";

    do {
        if (System.in.available() > 0) {
            System.in.read(inputbyte);
            input = new String(inputbyte);
        }
        GetResponse response = channel.basicGet(WORKQUEUENAME, false);
        if (response != null) {
            long deliverytag = response.getEnvelope().getDeliveryTag();
            byte[] body = response.getBody();
            int tries = ByteBuffer.wrap(body).getInt();
            System.out.println("Task received: " + tries);
            int success = 0;
            for (int i = 0; i < tries; i++) {
                double x = Math.random();
                double y = Math.random();
                if (x * x + y * y <= 1) {
                    success++;
                }
            }
            System.out.println("success: " + success + " out of " + tries);
            double tau = ((double) success / tries) * 8;
            System.out.println("Tau = " + tau);
            byte[] resultbytes = new byte[8];
            ByteBuffer.wrap(resultbytes).putDouble(tau);
            channel.basicPublish("", RESULTQUEUENAME, null, resultbytes);
            channel.basicAck(deliverytag, false);
        }
    } while (!input.equals("stop"));
    channel.close();
    connection.close();
    System.out.println("You stopped the program.");
}

---

From source file:translators.ToJsonSchool.java

private static void sendMsgToBank(Message msg, String corrId, String exchangeName, String replyQueueName) {
    Gson gson = new Gson();
    RabbitConnection rabbitConnection = new RabbitConnection();
    Channel channel = rabbitConnection.makeConnection();
    try {/*from www. j  a va 2 s .c  o  m*/
        channel.exchangeDeclare(exchangeName, "fanout");

        AMQP.BasicProperties props = new AMQP.BasicProperties.Builder().correlationId(corrId)
                .replyTo(replyQueueName).build();
        //!!!!!!!!!!!!!!!!!!HUSK!!!!!!!!!!!!
        //String message = gson.toJson(new DtoJsonBank(msg.getSsn(), msg.getCreditScore(), msg.getLoanAmount(), msg.getLoanDuration()));
        String message = gson
                .toJson(new DtoJsonBank(msg.getSsn(), msg.getCreditScore(), msg.getLoanAmount(), "360"));
        channel.basicPublish(exchangeName, "", props, message.getBytes());
        rabbitConnection.closeChannelAndConnection();
        System.out.println(" [x] Sent :" + msg.toString() + "");
    } catch (IOException ex) {
        System.out.println("Error in ToJsonSchool class - sendMsgToBank()");
        System.out.println(ex.getStackTrace());
    }
}

---

From source file:translators.ToOurJsonBank.java

private static void sendMsgToBank(Message msg, String corrId, String exchangeName, String replyQueueName) {
    Gson gson = new Gson();
    RabbitConnection rabbitConnection = new RabbitConnection();
    Channel channel = rabbitConnection.makeConnection();
    try {//from   w ww  .  j  a  v a2  s  .c o  m
        channel.exchangeDeclare(exchangeName, "fanout");

        AMQP.BasicProperties props = new AMQP.BasicProperties.Builder().correlationId(corrId)
                .replyTo(replyQueueName).build();

        String message = gson
                .toJson(new DtoJsonBank(msg.getSsn(), msg.getCreditScore(), msg.getLoanAmount(), "360"));
        channel.basicPublish(exchangeName, "", props, message.getBytes());
        rabbitConnection.closeChannelAndConnection();
        System.out.println(" [x] Sent :" + msg.toString() + "");
    } catch (IOException ex) {
        System.out.println("Error in ToOurJsonBank class - sendMsgToBank()");
        System.out.println(ex.getStackTrace());
    }
}

---

From source file:translators.ToXmlSchool.java

private static void sendMsgToBank(Message msg, String corrId, String exchangeName, String replyQueueName) {
    Gson gson = new Gson();
    RabbitConnection rabbitConnection = new RabbitConnection();
    Channel channel = rabbitConnection.makeConnection();
    try {/*  www.j  a va  2 s. co  m*/
        channel.exchangeDeclare(exchangeName, "fanout");

        AMQP.BasicProperties props = new AMQP.BasicProperties.Builder().correlationId(corrId)
                .replyTo(replyQueueName).build();

        String message = makeXmlString(msg);
        channel.basicPublish(exchangeName, "", props, message.getBytes());
        rabbitConnection.closeChannelAndConnection();
        System.out.println(" [x] Sent :" + msg.toString() + "");
    } catch (IOException ex) {
        System.out.println("Error in ToXmlSchool class - sendMsgToBank()");
        System.out.println(ex.getStackTrace());
    }
}

---

From source file:uk.ac.sanger.cgp.wwdocker.messages.Messaging.java

License:Open Source License

/**
 * Sends a message to the specified queue
 * @param queue//w ww  .j  av  a2s  .c o  m
 * @param in
 * @param host
 * @throws IOException
 * @throws InterruptedException 
 * @throws TimeoutException
 */
public void sendMessage(String queue, Object in, String host)
        throws IOException, InterruptedException, TimeoutException {
    String message;
    Builder propBuilder = MessageProperties.MINIMAL_PERSISTENT_BASIC.builder();
    if (in.getClass().equals(String.class)) {
        message = (String) in;
    } else {
        message = Utils.objectToJson(in);
        if (in.getClass().equals(WorkerState.class)) {
            host = ((WorkerState) in).getResource().getHostName();
        }
    }
    if (host != null) {
        Map<String, Object> headers = new HashMap();
        headers.put("host", host);
        propBuilder.headers(headers);
    }
    BasicProperties mProp = propBuilder.build();

    Connection connectionSend = getRmqConn();
    Channel channel = connectionSend.createChannel();
    channel.confirmSelect();
    channel.queueDeclare(queue, true, false, false, null);
    channel.basicPublish("", queue, mProp, message.getBytes());
    channel.waitForConfirmsOrDie(5000);
    logger.info(queue + " sent: " + message);
    channel.close();
    closeRmqConn(connectionSend);
}

---

From source file:uk.ac.sanger.cgp.wwdocker.messages.Messaging.java

License:Open Source License

public void sendFile(String queue, String host, File f)
        throws IOException, InterruptedException, TimeoutException {
    Map<String, Object> headers = new HashMap();
    headers.put("host", host);
    BasicProperties mProp = MessageProperties.MINIMAL_PERSISTENT_BASIC.builder().headers(headers).build();
    Connection connectionSend = getRmqConn();
    Channel channel = connectionSend.createChannel();
    channel.confirmSelect();/*ww  w  .  j ava  2  s.c  o m*/
    channel.queueDeclare(queue, true, false, false, null);
    channel.basicPublish("", queue, mProp, Files.readAllBytes(f.toPath()));
    channel.waitForConfirmsOrDie(5000);
    logger.info(queue + " file: " + f.getAbsolutePath());
    channel.close();
    closeRmqConn(connectionSend);
}

---

From source file:uk.ac.soton.itinnovation.experimedia.arch.ecc.amqpAPI.impl.faces.AbstractAMQPInterface.java

public synchronized boolean sendBasicMessage(String message) {
    // Safety first
    if (!interfaceReady || message == null || (providerRoutingKey == null && userRoutingKey == null))
        return false;

    boolean result = false;

    // Make sure producer sends to user (or other way around) - targets are reversed
    String targetExchange = actingAsProvider ? userExchangeName : providerExchangeName;
    String targetRouteKey = actingAsProvider ? userRoutingKey : providerRoutingKey;

    try {/*from w w  w .ja  v a  2 s  .com*/
        if (amqpChannel.isOpen()) {
            Channel channelImpl = (Channel) amqpChannel.getChannelImpl();

            byte[] messageBody = message.getBytes("UTF-8");

            channelImpl.basicPublish(targetExchange, targetRouteKey, null, // Properties
                    messageBody);

            result = true;
        } else
            amqpIntLogger.error("Could not send AMQP message: channel closed");

    } catch (IOException ioe) {
        amqpIntLogger.error("Could not send AMQP message: " + ioe.getMessage());
    }

    return result;
}

---

From source file:uk.org.openeyes.oink.proxy.test.ITProxyRoute.java

License:Open Source License

@Test
public void testPatientSearchWithNull() throws Exception {

    // Build Oink request
    String resourcePath = "/Patient";
    String method = "GET";
    OINKRequestMessage request = new OINKRequestMessage();
    request.setResourcePath(resourcePath);
    request.setMethod(HttpMethod.valueOf(method));

    // Send Oink request over rabbit
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    String replyQueueName = channel.queueDeclare().getQueue();
    channel.queueBind(replyQueueName, testProperties.getProperty("rabbit.defaultExchange"), replyQueueName);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(replyQueueName, true, consumer);

    BasicProperties props = new BasicProperties().builder().replyTo(replyQueueName).build();

    byte[] requestBody = camelCtx.getTypeConverter().convertTo(byte[].class, request);

    channel.basicPublish(testProperties.getProperty("rabbit.defaultExchange"),
            testProperties.getProperty("rabbit.routingKey"), props, requestBody);

    // Wait/*from   w ww.  j  ava 2  s.  c o m*/
    Thread.sleep(1000);

    // Assert response
    QueueingConsumer.Delivery delivery = consumer.nextDelivery(5000);
    assertNotNull(delivery);
    byte[] responseBody = delivery.getBody();

    OinkMessageConverter conv = new OinkMessageConverter();
    OINKResponseMessage message = conv.responseMessageFromByteArray(responseBody);

}

---

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