Example usage for com.rabbitmq.client Channel exchangeDeclare

List of usage examples 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:org.apache.beam.sdk.io.rabbitmq.RabbitMqIOTest.java

License:Apache License

@Test
public void testWriteExchange() throws Exception {
    final int maxNumRecords = 1000;
    List<RabbitMqMessage> data = generateRecords(maxNumRecords).stream()
            .map(bytes -> new RabbitMqMessage(bytes)).collect(Collectors.toList());
    p.apply(Create.of(data)).apply(/* w w w. jav a 2 s. c  o  m*/
            RabbitMqIO.write().withUri("amqp://guest:guest@localhost:" + port).withExchange("WRITE", "fanout"));

    final List<String> received = new ArrayList<>();
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.setUri("amqp://guest:guest@localhost:" + port);
    Connection connection = null;
    Channel channel = null;
    try {
        connection = connectionFactory.newConnection();
        channel = connection.createChannel();
        channel.exchangeDeclare("WRITE", "fanout");
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, "WRITE", "");
        Consumer consumer = new TestConsumer(channel, received);
        channel.basicConsume(queueName, true, consumer);

        p.run();

        while (received.size() < maxNumRecords) {
            Thread.sleep(500);
        }

        assertEquals(maxNumRecords, received.size());
        for (int i = 0; i < maxNumRecords; i++) {
            assertTrue(received.contains("Test " + i));
        }
    } finally {
        if (channel != null) {
            channel.close();
        }
        if (connection != null) {
            connection.close();
        }
    }
}

From source file:org.apache.helix.recipes.rabbitmq.ConsumerThread.java

License:Apache License

@Override
public void run() {
    Connection connection = null;
    try {// w w w. j  av a 2 s .  c o m
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(_mqServer);
        connection = factory.newConnection();
        Channel channel = connection.createChannel();

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

        String bindingKey = _partition.toString();
        channel.queueBind(queueName, EXCHANGE_NAME, bindingKey);

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

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

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

            System.out.println(" [x] " + _consumerId + " Received '" + routingKey + "':'" + message + "'");
        }
    } catch (InterruptedException e) {
        System.err.println(" [-] " + _consumerId + " on " + _partition + " is interrupted ...");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}

From source file:org.apache.helix.recipes.rabbitmq.Emitter.java

License:Apache License

public static void main(String[] args) throws Exception {
    if (args.length < 1) {
        System.err.println("USAGE: java Emitter rabbitmqServer (e.g. localhost) numberOfMessage (optional)");
        System.exit(1);/*from   w  ww. j av  a  2  s  .  c  om*/
    }

    final String mqServer = args[0]; // "zzhang-ld";
    int count = Integer.MAX_VALUE;
    if (args.length > 1) {
        try {
            count = Integer.parseInt(args[1]);
        } catch (Exception e) {
            // TODO: handle exception
        }
    }
    System.out.println("Sending " + count + " messages with random topic id");

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

    channel.exchangeDeclare(EXCHANGE_NAME, "topic");

    for (int i = 0; i < count; i++) {
        int rand = ((int) (Math.random() * 10000) % SetupConsumerCluster.DEFAULT_PARTITION_NUMBER);
        String routingKey = "topic_" + rand;
        String message = "message_" + rand;

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

        Thread.sleep(1000);
    }

    connection.close();
}

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  www.  jav  a  2 s  .com*/

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

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

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);/*from w  ww . j  ava 2  s .  c  o m*/

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

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

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  ww.  j  ava 2  s. com*/

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

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

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

From source file:org.opennaas.extensions.genericnetwork.capability.nclprovisioner.components.NetworkObservationsPusher.java

License:Apache License

private void sendStatistics(String topicName, String csvMessage)
        throws KeyManagementException, NoSuchAlgorithmException, URISyntaxException, IOException {

    Connection conn = null;/*from   www  . ja va2  s  .c o m*/
    Channel channel = null;

    try {

        log.debug("Establishing RabbitMQ connection with sla manager with URI: " + slaManagerUri);

        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(slaManagerUri.getHost());

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

        channel.exchangeDeclare(topicName, "direct");

        log.debug("Publishing message in RabbitMQ channel.");

        channel.basicPublish(topicName, RABBIT_MQ_ROUTING_KEY,
                new AMQP.BasicProperties.Builder().contentType(OBSERVATIONS_CONTENT_TYPE).build(),
                csvMessage.getBytes());

        log.debug("Message successfully sent to SLA manager.");

    } finally {
        if (channel != null && channel.isOpen())
            channel.close();
        if (conn != null && conn.isOpen())
            conn.close();

        log.debug("Connection to RabbitMQ server closed.");

    }

}

From source file:org.springframework.amqp.rabbit.MulticastMain.java

License:Mozilla Public License

public static void main(String[] args) {
    Options options = getOptions();/*from   ww w  .  j ava  2s  .co  m*/
    CommandLineParser parser = new GnuParser();
    try {
        CommandLine cmd = parser.parse(options, args);

        if (cmd.hasOption('?')) {
            usage(options);
            System.exit(0);
        }

        String hostName = strArg(cmd, 'h', "localhost");
        int portNumber = intArg(cmd, 'p', AMQP.PROTOCOL.PORT);
        String exchangeType = strArg(cmd, 't', "direct");
        String exchangeName = strArg(cmd, 'e', exchangeType);
        int samplingInterval = intArg(cmd, 'i', 1);
        int rateLimit = intArg(cmd, 'r', 0);
        int producerCount = intArg(cmd, 'x', 1);
        int messageCount = intArg(cmd, 'N', 0);
        int consumerCount = intArg(cmd, 'y', 1);
        int connectionCount = cmd.hasOption('c') ? 1 : consumerCount;
        int producerTxSize = intArg(cmd, 'm', 0);
        int consumerTxSize = intArg(cmd, 'n', 0);
        boolean autoAck = cmd.hasOption('a');
        int prefetchCount = intArg(cmd, 'q', 0);
        int minMsgSize = intArg(cmd, 's', 0);
        int timeLimit = intArg(cmd, 'z', 0);
        List<String> flags = lstArg(cmd, 'f');
        int frameMax = intArg(cmd, 'M', 0);
        int heartbeat = intArg(cmd, 'b', 0);

        // setup
        String id = UUID.randomUUID().toString();
        Stats stats = new Stats(1000L * samplingInterval);
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(hostName);
        factory.setPort(portNumber);
        factory.setRequestedFrameMax(frameMax);
        factory.setRequestedHeartbeat(heartbeat);

        Connection[] consumerConnections = new Connection[connectionCount];
        for (int i = 0; i < connectionCount; i++) {
            Connection conn = factory.newConnection();
            consumerConnections[i] = conn;
        }
        Thread[] consumerThreads = new Thread[consumerCount];
        for (int i = 0; i < consumerCount; i++) {
            System.out.println("starting consumer #" + i);
            Connection conn = consumerConnections[i % connectionCount];
            Channel channel = conn.createChannel();
            if (consumerTxSize > 0)
                channel.txSelect();
            channel.exchangeDeclare(exchangeName, exchangeType);
            String queueName = channel.queueDeclare("", flags.contains("persistent"), true, false, null)
                    .getQueue();
            QueueingConsumer consumer = new QueueingConsumer(channel);
            if (prefetchCount > 0)
                channel.basicQos(prefetchCount);
            channel.basicConsume(queueName, autoAck, consumer);
            channel.queueBind(queueName, exchangeName, id);
            Thread t = new Thread(new Consumer(consumer, id, consumerTxSize, autoAck, stats, timeLimit));
            consumerThreads[i] = t;
            t.start();
        }
        Thread[] producerThreads = new Thread[producerCount];
        Connection[] producerConnections = new Connection[producerCount];
        for (int i = 0; i < producerCount; i++) {
            System.out.println("starting producer #" + i);
            Connection conn = factory.newConnection();
            producerConnections[i] = conn;
            Channel channel = conn.createChannel();
            if (producerTxSize > 0)
                channel.txSelect();
            channel.exchangeDeclare(exchangeName, exchangeType);
            final Producer p = new Producer(channel, exchangeName, id, flags, producerTxSize,
                    1000L * samplingInterval, rateLimit, minMsgSize, timeLimit, messageCount);
            channel.addReturnListener(p);
            Thread t = new Thread(p);
            producerThreads[i] = t;
            t.start();
        }

        for (int i = 0; i < producerCount; i++) {
            producerThreads[i].join();
            producerConnections[i].close();
        }

        for (int i = 0; i < consumerCount; i++) {
            consumerThreads[i].join();
        }
        for (int i = 0; i < connectionCount; i++) {
            consumerConnections[i].close();
        }

    } catch (ParseException exp) {
        System.err.println("Parsing failed. Reason: " + exp.getMessage());
        usage(options);
    } catch (Exception e) {
        System.err.println("Main thread caught exception: " + e);
        e.printStackTrace();
        System.exit(1);
    }
}

From source file:org.voltdb.bulkloader.RMQCSVReceive.java

License:Open Source License

public static void receiveMessages(RMQOptions rmqOpts, TestOptions testOpts, String[] args) throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(rmqOpts.host);//from  w  ww. j  a v a  2s .co  m
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    if (rmqOpts.exchange != null) {
        if (rmqOpts.extype != null) {
            channel.exchangeDeclare(rmqOpts.exchange, rmqOpts.extype);
        }
        for (String bindingKey : rmqOpts.bindings) {
            channel.queueBind(rmqOpts.queue, rmqOpts.exchange, bindingKey);
        }
    }

    try {
        channel.queueDeclare(rmqOpts.queue, rmqOpts.persistent, false, false, null);
        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
        channel.basicQos(1);
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(rmqOpts.queue, false, consumer);
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            // Sleep 1 second for every trailing '.'.
            int dotCount = 0;
            for (int i = message.length() - 1; i >= 0; --i) {
                if (message.charAt(i) == '.') {
                    dotCount++;
                } else {
                    break;
                }
            }
            if (dotCount > 0) {
                message = message.substring(0, message.length() - dotCount);
            }
            System.out.printf(" [x] Received '%s'\n", message);
            Thread.sleep(dotCount * 1000);
        }
    } catch (ShutdownSignalException | ConsumerCancelledException | InterruptedException e) {
        e.printStackTrace();
    } finally {
        channel.close();
        connection.close();
    }
}

From source file:org.voltdb.bulkloader.RMQCSVSend.java

License:Open Source License

private static void sendMessages(RMQOptions rmqOpts, RandomSleeper.RSOptions sleeperOpts, TestOptions testOpts)
        throws InterruptedException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(rmqOpts.host);//from  w  w  w .j a v a 2 s .com

    Connection connection = null;
    Channel channel = null;
    String exchangeName = "";
    // Use the queue name if the routing key is not specified.
    String routingKey = rmqOpts.routing != null ? rmqOpts.routing : rmqOpts.queue;
    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
        if (rmqOpts.exchange != null) {
            exchangeName = rmqOpts.exchange;
            channel.exchangeDeclare(exchangeName, rmqOpts.extype);
        }
    } catch (IOException e1) {
        e1.printStackTrace();
        System.exit(255);
    }

    try {
        channel.queueDeclare(rmqOpts.queue, rmqOpts.persistent, false, false, null);
        try {
            while (testOpts.lineIter.hasNext()) {
                String message = testOpts.lineIter.next();
                channel.basicPublish(exchangeName, routingKey, MessageProperties.TEXT_PLAIN,
                        message.getBytes());
                System.out.printf(" [x] Sent '%s'\n", message);
                sleeperOpts.sleeper.sleep();
            }
        } finally {
            testOpts.lineIter.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            channel.close();
            connection.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}