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:org.apache.niolex.rabbit.basic.Send.java

License:Apache License

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(QUEUE_NAME, false, false, false, null);
    for (int i = 0; i < 100; ++i) {
        String message = String.format("%02d %s", i, MockUtil.randString(5));
        ThreadUtil.sleepAtLeast(1000);/*from w  ww  .j  a  v  a  2  s.c om*/
        channel.basicPublish("", QUEUE_NAME, null, message.getBytes("UTF-8"));
        System.out.println(" [x] Sent '" + message + "'");
    }

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

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From source file:org.apache.niolex.rabbit.log.EmitLog.java

License:Apache License

public static void main(String[] argv) throws java.io.IOException, TimeoutException {

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

    channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

    for (int i = 0; i < 100; ++i) {
        String message = String.format("%02d %s", i, MockUtil.randString(5));
        ThreadUtil.sleepAtLeast(1000);//from  w ww . jav a 2s.  co  m

        channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());
        System.out.println(" [x] Sent '" + message + "'");
    }

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

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From source file:org.apache.niolex.rabbit.log.EmitLogDirect.java

License:Apache License

public static void main(String[] argv) throws java.io.IOException, TimeoutException {

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

    channel.exchangeDeclare(EXCHANGE_NAME, "direct");

    for (int i = 0; i < 100; ++i) {
        String message = String.format("%02d %s", i, MockUtil.randString(5));
        String severity = MockUtil.randInt(3) == 0 ? "error" : "info";
        ThreadUtil.sleepAtLeast(1000);/*www.  j av  a2  s . com*/

        channel.basicPublish(EXCHANGE_NAME, severity, null, message.getBytes());
        System.out.println(" [x] Sent '" + severity + "': '" + message + "'");
    }

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

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From source file:org.apache.niolex.rabbit.log.EmitLogTopic.java

License:Apache License

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

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

    channel.exchangeDeclare(EXCHANGE_NAME, "topic");

    for (int i = 0; i < 100; ++i) {
        String message = String.format("%02d %s", i, MockUtil.randString(5));
        ThreadUtil.sleepAtLeast(1000);/*from   w  w  w .j  a  v  a  2s  .  co m*/

        String routingKey = getSeverity() + "." + getFacility();

        channel.basicPublish(EXCHANGE_NAME, routingKey, null, message.getBytes());
        System.out.println(" [x] Sent '" + routingKey + "':'" + message + "'");
    }

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

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From source file:org.apache.niolex.rabbit.rpc.RPCServer.java

License:Apache License

public static void main(String[] argv) {
    Connection connection = null;
    Channel channel = null;
    try {/*w ww. ja  v  a 2  s  . c om*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");

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

        channel.queueDeclare(RPC_QUEUE_NAME, false, false, false, null);

        channel.basicQos(1);

        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(RPC_QUEUE_NAME, false, consumer);

        System.out.println(" [x] Awaiting RPC requests");

        while (true) {
            String response = null;

            QueueingConsumer.Delivery delivery = consumer.nextDelivery();

            BasicProperties props = delivery.getProperties();
            BasicProperties replyProps = new BasicProperties.Builder().correlationId(props.getCorrelationId())
                    .build();

            try {
                String message = new String(delivery.getBody(), "UTF-8");
                int n = Integer.parseInt(message);

                System.out.println(" [.] fib(" + message + ")");
                response = "" + fib(n);
            } catch (Exception e) {
                System.out.println(" [.] " + e.toString());
                response = "";
            } finally {
                channel.basicPublish("", props.getReplyTo(), replyProps, response.getBytes("UTF-8"));
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception ignore) {
            }
        }
    }
}

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From source file:org.apache.nutch.indexer.history.HistoryIndexer.java

License:Apache License

private void sendEvent(final String message) {

    ConnectionFactory factory = new ConnectionFactory();
    final String host = conf.get("history.rabbitmq.host", "localhost");
    factory.setHost(host);//  w w  w  . j a  v  a 2 s . c  o m

    final String user = conf.get("history.rabbitmq.user");
    factory.setUsername(user);

    final String password = conf.get("history.rabbitmq.password");
    factory.setPassword(password);

    Connection connection = null;
    Channel channel = null;
    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
    } catch (IOException | TimeoutException e) {
        final String errMsg = "failed opening connection or channel";
        LOG.error(errMsg, e);
        closeChannelAndConnection(channel, true);
        throw new RuntimeException(errMsg, e);
    }

    final String queueNamesStr = conf.get("history.rabbitmq.queue.names", "nlp,langdetector");
    final String[] queueNames = queueNamesStr.split(",");
    for (final String singleQueueName : queueNames) {
        try {
            channel.queueDeclare(singleQueueName, true, false, false, null);
            channel.basicPublish("", singleQueueName, null, message.getBytes());
            LOG.debug(" [x] Sent '" + message + "'");
        } catch (IOException e) {
            final String errMsg = String.format("failed sending message [%s] to queue [%s]", message,
                    singleQueueName);
            LOG.error(errMsg, e);
        }
    }

    closeChannelAndConnection(channel, false);
}

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From source file:org.apache.synapse.message.store.impl.rabbitmq.RabbitMQProducer.java

License:Open Source License

public boolean storeMessage(MessageContext synCtx) {
    if (synCtx == null) {
        return false;
    }// w  w  w .  ja v a2  s. co m
    if (connection == null) {
        if (logger.isDebugEnabled()) {
            logger.error(getId() + " cannot proceed. RabbitMQ Connection is null.");
        }
        logger.warn(getId() + ". Ignored MessageID : " + synCtx.getMessageID());
        return false;
    }
    StorableMessage message = MessageConverter.toStorableMessage(synCtx);
    boolean error = false;
    Throwable throwable = null;
    Channel channel = null;
    try {
        //Serializing message
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        ObjectOutput objOut = new ObjectOutputStream(os);
        objOut.writeObject(message);
        byte[] byteForm = os.toByteArray();
        objOut.close();
        os.close();
        //building AMQP message
        AMQP.BasicProperties.Builder builder = new AMQP.BasicProperties().builder();
        builder.messageId(synCtx.getMessageID());
        builder.deliveryMode(MessageProperties.MINIMAL_PERSISTENT_BASIC.getDeliveryMode());
        builder.priority(message.getPriority(DEFAULT_PRIORITY));
        channel = connection.createChannel();
        if (exchangeName == null) {
            channel.basicPublish("", queueName, builder.build(), byteForm);
        } else {
            channel.basicPublish(exchangeName, queueName, builder.build(), byteForm);
        }
    } catch (IOException e) {
        throwable = e;
        error = true;
        isConnectionError = true;
    } catch (Throwable t) {
        throwable = t;
        error = true;
    } finally {
        if (channel != null && channel.isOpen())
            try {
                channel.close();
            } catch (IOException e) {
                logger.error("Error when closing connection" + synCtx.getMessageID() + ". " + e);
            }
    }
    if (error) {
        String errorMsg = getId() + ". Ignored MessageID : " + synCtx.getMessageID()
                + ". Could not store message to store [" + store.getName() + "]. Error:"
                + throwable.getLocalizedMessage();
        logger.error(errorMsg, throwable);
        store.closeProducerConnection();
        connection = null;
        if (logger.isDebugEnabled()) {
            logger.debug(getId() + ". Ignored MessageID : " + synCtx.getMessageID());
        }
        return false;
    }
    if (logger.isDebugEnabled()) {
        logger.debug(getId() + ". Stored MessageID : " + synCtx.getMessageID());
    }
    store.enqueued();
    return true;
}

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From source file:org.apache.synapse.tranport.amqp.AMQPTwoWayProducerClient.java

License:Apache License

private static void produceAndConsume(String message, Channel channel, String requestQueueName,
        String replyQueueName) throws IOException, InterruptedException {

    AMQP.BasicProperties.Builder builder = new AMQP.BasicProperties().builder();
    String restCoID = Math.random() + "";
    builder.correlationId(restCoID);//from   ww w. jav a  2  s .  co  m
    System.out.println("Request correlation Id : " + restCoID);
    builder.replyTo(replyQueueName);
    channel.basicPublish("", requestQueueName, builder.build(), message.getBytes());
    System.out.println("[x] sent to '" + requestQueueName + "' the message '\n" + message + "'");

    channel.queueDeclare(replyQueueName, false, false, false, null);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(replyQueueName, true, consumer);
    System.out.println("Waiting for message on queue '" + replyQueueName + "'");
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String replyMessage = new String(delivery.getBody());
        System.out.println("[x] received '" + replyMessage + "'");
        System.out.println("Response correlation Id : " + delivery.getProperties().getCorrelationId());
        break;

    }
}

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From source file:org.archive.modules.AMQPProducer.java

License:Apache License

/**
 * Publish the message with the supplied properties. If this method returns
 * without throwing an exception, the message was published successfully.
 *
 * @param message/*from   w ww .  ja v  a 2  s  .  co m*/
 * @param props
 * @throws IOException
 *             if message is not published successfully for any reason
 */
public void publishMessage(byte[] message, BasicProperties props) throws IOException {
    Channel channel = channel();
    channel.exchangeDeclare(exchange, "direct", true);
    channel.basicPublish(exchange, routingKey, props, message);
}

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From source file:org.axonframework.amqp.eventhandling.RabbitMQBenchmark.java

License:Apache License

private static List<Thread> createChannelCreatingThreads(final Connection connection, final String queueName,
        final boolean transactional) {
    List<Thread> threads = new ArrayList<>();
    for (int i = 0; i < THREAD_COUNT; i++) {
        threads.add(new Thread(() -> {
            try {
                for (int t = 0; t < COMMIT_COUNT; t++) {
                    final Channel localChannel = connection.createChannel();
                    if (transactional) {
                        localChannel.txSelect();
                    }/*w w  w.  ja  v a2s . c  o  m*/
                    for (int j = 0; j < COMMIT_SIZE; j++) {
                        localChannel.basicPublish("", queueName, null, ("message" + t).getBytes("UTF-8"));
                    }
                    if (transactional) {
                        localChannel.txCommit();
                    }
                    localChannel.close();
                }
            } catch (IOException | TimeoutException e) {
                e.printStackTrace();
            }
        }));
    }
    return threads;
}

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