Example usage for com.rabbitmq.client Connection createChannel

List of usage examples for com.rabbitmq.client Connection createChannel

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Introduction

In this page you can find the example usage for com.rabbitmq.client Connection createChannel.

Prototype

Channel createChannel() throws IOException;

Source Link

Document

Create a new channel, using an internally allocated channel number.

Usage

From source file:org.apache.nifi.amqp.processors.AMQPPublisherTest.java

License:Apache License

@Test
public void validateSuccessfullPublishingAndRouting() throws Exception {
    Map<String, List<String>> routingMap = new HashMap<>();
    routingMap.put("key1", Arrays.asList("queue1", "queue2"));
    Map<String, String> exchangeToRoutingKeymap = new HashMap<>();
    exchangeToRoutingKeymap.put("myExchange", "key1");

    Connection connection = new TestConnection(exchangeToRoutingKeymap, routingMap);

    try (AMQPPublisher sender = new AMQPPublisher(connection, mock(ComponentLog.class))) {
        sender.publish("hello".getBytes(), null, "key1", "myExchange");
        Thread.sleep(200);/* www . ja  va2s  .c om*/
    }

    assertNotNull(connection.createChannel().basicGet("queue1", true));
    assertNotNull(connection.createChannel().basicGet("queue2", true));

    connection.close();
}

From source file:org.apache.nifi.amqp.processors.AMQPPublisherTest.java

License:Apache License

@Test
public void validateSuccessfullPublishingAndUndeliverableRoutingKey() throws Exception {
    Map<String, List<String>> routingMap = new HashMap<>();
    routingMap.put("key1", Arrays.asList("queue1", "queue2"));
    Map<String, String> exchangeToRoutingKeymap = new HashMap<>();
    exchangeToRoutingKeymap.put("myExchange", "key1");

    Connection connection = new TestConnection(exchangeToRoutingKeymap, routingMap);

    ReturnListener retListener = mock(ReturnListener.class);
    connection.createChannel().addReturnListener(retListener);

    try (AMQPPublisher sender = new AMQPPublisher(connection, new MockComponentLog("foo", ""))) {
        sender.publish("hello".getBytes(), null, "key1", "myExchange");
        Thread.sleep(1000);/*from  ww  w. j  a v  a2 s.c o m*/
    }
    Thread.sleep(200);
    verify(retListener, atMost(1)).handleReturn(Mockito.anyInt(), Mockito.anyString(), Mockito.anyString(),
            Mockito.anyString(), Mockito.any(BasicProperties.class), (byte[]) Mockito.any());
    connection.close();
}

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 w w . j av  a  2  s .  c  o m*/
        channel.basicPublish("", QUEUE_NAME, null, message.getBytes("UTF-8"));
        System.out.println(" [x] Sent '" + message + "'");
    }

    channel.close();
    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 w ww. j  a va  2 s.  c  om*/

        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);/*w w w.  ja v a 2  s .  com*/

        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  ww  w.  java  2  s  .  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();
}

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;//from w ww.  j ava 2s.c om
    try {
        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) {
            }
        }
    }
}

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 ww .j  av a 2s  .  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);
}

From source file:org.apache.nutch.publisher.rabbitmq.RabbitMQPublisherImpl.java

License:Apache License

@Override
public boolean setConfig(Configuration conf) {
    try {/* ww w. jav  a  2s .c om*/
        EXCHANGE_SERVER = conf.get("rabbitmq.exchange.server", "fetcher_log");
        EXCHANGE_TYPE = conf.get("rabbitmq.exchange.type", "fanout");

        HOST = conf.get("rabbitmq.host", "localhost");
        PORT = conf.getInt("rabbitmq.port", 5672);
        VIRTUAL_HOST = conf.get("rabbitmq.virtualhost", null);
        USERNAME = conf.get("rabbitmq.username", null);
        PASSWORD = conf.get("rabbitmq.password", null);

        QUEUE_NAME = conf.get("rabbitmq.queue.name", "fanout.queue");
        QUEUE_DURABLE = conf.getBoolean("rabbitmq.queue.durable", true);
        QUEUE_ROUTING_KEY = conf.get("rabbitmq.queue.routingkey", "fanout.key");

        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(HOST);
        factory.setPort(PORT);

        if (VIRTUAL_HOST != null) {
            factory.setVirtualHost(VIRTUAL_HOST);
        }

        if (USERNAME != null) {
            factory.setUsername(USERNAME);
            factory.setPassword(PASSWORD);
        }

        Connection connection = factory.newConnection();
        channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_SERVER, EXCHANGE_TYPE);
        channel.queueDeclare(QUEUE_NAME, QUEUE_DURABLE, false, false, null);
        channel.queueBind(QUEUE_NAME, EXCHANGE_SERVER, QUEUE_ROUTING_KEY);

        LOG.info("Configured RabbitMQ publisher");
        return true;
    } catch (Exception e) {
        LOG.error("Could not initialize RabbitMQ publisher - {}", StringUtils.stringifyException(e));
        return false;
    }

}

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

License:Apache License

public static void main(String[] args) throws IOException, InterruptedException {

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

    Channel channel = connection.createChannel();

    AMQPTwoWayProducerClient.produceAndConsume(MESSAGE2, channel, "consumer", "consumerReply");

    channel.close();/*from  w ww.j  a va2s  . c om*/
    connection.close();

}