Example usage for com.rabbitmq.client ConnectionFactory ConnectionFactory

List of usage examples for com.rabbitmq.client ConnectionFactory ConnectionFactory

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

Prototype

ConnectionFactory

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Usage

From source file:edu.indiana.d2i.sead.matchmaker.service.messaging.Sender.java

License:Apache License

public Sender(MessagingConfig msgconf, MessagingOperationTypes OpType) throws IOException {
    this.factory = new ConnectionFactory();
    this.factory.setUsername(msgconf.getUsername());
    this.factory.setPassword(msgconf.getPassword());
    this.factory.setVirtualHost(msgconf.getVirtualHost());
    this.factory.setHost(msgconf.getHost());
    this.factory.setPort(msgconf.getPort());
    this.conn = this.factory.newConnection();
    this.channel = this.conn.createChannel();

    switch (OpType) {
    case SEND_ASYNC_REQUEST:
        this.ExchangeName = msgconf.getAsyncRequestExchangeName();
        this.RoutingKey = msgconf.getAsyncRequestRoutingKey();
        break;// ww w  .j a  va2  s  . com
    case SEND_REQUEST:
        this.ExchangeName = msgconf.getRequestExchangeName();
        this.RoutingKey = msgconf.getRequestRoutingKey();
        break;
    case SEND_RESPONSE:
        this.ExchangeName = msgconf.getResponseExchangeName();
        this.RoutingKey = msgconf.getResponseRoutingKey();
        break;
    default:
        try {
            throw new Exception("OperationType: " + OpType.toString() + " not supported.");
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        break;
    }

}

From source file:edu.iu.messaging.service.core.impl.RabbitMQPublisher.java

License:Apache License

private void connect() {
    try {//w w  w .  j  a va2  s . c o m
        logger.info("connect() -> Connecting to server");
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setUri(properties.getBrokerUrl());
        connectionFactory.setAutomaticRecoveryEnabled(properties.isAutoRecoveryEnable());
        connection = connectionFactory.newConnection();
        connection.addShutdownListener(new ShutdownListener() {
            public void shutdownCompleted(ShutdownSignalException cause) {
            }
        });

        channel = connection.createChannel();

        /*
        Not required for work queue implementation
         */
        //channel.basicQos(properties.getPrefetchCount());
        //channel.exchangeDeclare(properties.getExchangeName(), properties.getExchangeType(), true);

    } catch (Exception e) {
        logger.error("connect() -> Error connecting to server.", e);
    }

}

From source file:edu.iu.messaging.service.core.impl.RabbitMQSubscriber.java

License:Apache License

private void createConnection() {
    try {//from ww  w  . j a  v a 2  s .c  o m
        logger.info("createConnection() -> Connecting to server");
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setUri(properties.getBrokerUrl());
        connectionFactory.setAutomaticRecoveryEnabled(properties.isAutoRecoveryEnable());
        connection = connectionFactory.newConnection();
        addShutdownListener();
        channel = connection.createChannel();

        /*
        Not required for work queue implementation
         */
        //channel.basicQos(Constants.PREFETCH_COUT);
        //channel.exchangeDeclare(properties.getExchangeName(), properties.getExchangeType(), true);

    } catch (Exception e) {
        logger.error("createConnection() -> Error connecting to server.", e);
    }
}

From source file:edu.kit.dama.mdm.audit.impl.RabbitMQPublisher.java

License:Apache License

@Override
public boolean initialize() {
    boolean result = false;
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(hostname);//w w  w.  j  av  a  2  s . co m
    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
        LOGGER.debug("Declaring exchange of type 'topic' in publisher.");
        channel.exchangeDeclare(exchangeName, "topic", true, false, false, null);
        LOGGER.debug("Declaring queue.");
        String queueName = channel.queueDeclare().getQueue();
        LOGGER.debug("Binding queue with name {} to exchange.", queueName);
        channel.queueBind(queueName, exchangeName, "");
        result = true;
    } catch (IOException | TimeoutException ex) {
        LOGGER.error("Failed to initialize RabbitMQPublisher.", ex);
    }
    return result;
}

From source file:edu.kit.dama.mdm.audit.servlet.RabbitMQInitializerListener.java

License:Apache License

@Override
public void contextInitialized(ServletContextEvent sce) {
    loadConfiguration();/*from   w  w w  .  j  a v  a2s . c o  m*/

    if (!CONFIGURED) {
        LOGGER.warn("Skipping initialization of RabbitMQ consumer.");
        return;
    }

    try {
        LOGGER.debug("Intitializing RabbitMQ consumer.");
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(hostname);
        connection = factory.newConnection();
        channel = connection.createChannel();
        LOGGER.debug("Declaring topic based exchange with name '{}'", exchange);
        channel.exchangeDeclare(exchange, "topic", true);
        String queueName = channel.queueDeclare().getQueue();
        LOGGER.debug("Using queue with name '{}'. Binding queue to exchange.", queueName);
        channel.queueBind(queueName, exchange, "audit.*");
        LOGGER.debug("Queue bound to exchange with filter 'audit.*'. Starting consumer.");

        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");
                try {
                    LOGGER.debug("Handling new audit event.");
                    AuditEvent event = AuditEvent.fromJson(message);
                    LOGGER.debug("Submitting event to attached consumers.");
                    for (AbstractAuditConsumer consumer : AuditManager.getInstance().getConsumers()) {
                        consumer.consume(event);
                    }
                    LOGGER.debug("Event submitted to all consumers.");
                } catch (FormatException ex) {
                    LOGGER.error("Failed to consume audit event from message '" + message + "'", ex);
                }
            }
        };
        channel.basicConsume(queueName, true, consumer);
        LOGGER.debug("RabbitMQ consumer successfully initialized.");
    } catch (IOException | TimeoutException ex) {
        LOGGER.error("Failed to initialize RabbitMQ audit distributor.", ex);
    }
}

From source file:edu.kit.dama.util.test.RabbitMQReceiver.java

License:Apache License

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

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

    channel.exchangeDeclare(EXCHANGE_NAME, "topic", true);
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, EXCHANGE_NAME, "audit.*");

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

    /*  final Consumer consumer = new DefaultConsumer(channel) {
    @Override//  www  .  java2s. c om
    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);
    } finally {
      System.out.println(" [x] Done");
      channel.basicAck(envelope.getDeliveryTag(), false);
    }
    }
    };
    channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
    }*/
    /*   QueueingConsumer consumer = new QueueingConsumer(channel);
            
           /*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 + "'");
    }
           };*/
    /*channel.basicConsume(queueName, true, consumer);
           QueueingConsumer.Delivery delivery = consumer.nextDelivery(10000);
           if (delivery != null) {
    byte[] message = delivery.getBody();
    System.out.println("MESS " + new String(message));
           }*/
    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 + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);

    // System.exit(0);
}

From source file:edu.kit.dama.util.test.RabbitMQTest.java

License:Apache License

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.exchangeDeclare(EXCHANGE_NAME, "fanout", true, false, false, null);
    //channel.queueDeclare(QUEUE_NAME, true, false, false, null);
    /*String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, EXCHANGE_NAME, "");*/

    String message = "Hello!";

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

    channel.close();// w  ww  .  j  a  v a  2 s. co m
    connection.close();

}

From source file:EncoderHealthEstimator.EncoderHealthEstimatorImplAbstract.java

License:Open Source License

public EncoderHealthEstimatorImplAbstract() {

    mLogger = Logger.getLogger("EncoderHealthEstimator");
    PropertyConfigurator.configure("log4j.properties");

    try {/*from  w w w  . j  a  va2 s  . c o  m*/
        mFactory = new ConnectionFactory();
        mFactory.setHost("localhost");
        mConnection = mFactory.newConnection();
        mChannel = mConnection.createChannel();

        /*
         * Defines that messages in this queue are persistent (i.e. to be saved on disk)    
         * so that even if RabbitMQ server quits the messages is not lost.
         * Note that when publishing a message, the msg itself has to be declared persistent.
         */
        boolean durable = false; // for commands we don't want it!

        /*
         * true if the server should consider messages acknowledged once delivered; 
         * false if the server should expect explicit acknowledgements.
         */
        boolean autoAck = true;

        // command queue      
        boolean exclusive = false; // restricted to this connection
        boolean autoDelete = false; // server will delete the queue when no longer in use
        mChannel.queueDeclare(CMD_QUEUE_NAME, durable, exclusive, autoDelete, null);

        // broadcasted commands (don't need to subscribe to a topic)
        mChannel.exchangeDeclare(CMD_EXCHANGE_NAME, "fanout", durable);
        String cmdFanoutQueueName = mChannel.queueDeclare().getQueue();
        mChannel.queueBind(cmdFanoutQueueName, CMD_EXCHANGE_NAME, "");

        // data topics to subscribe
        durable = true; // for data we want persistance!
        mChannel.exchangeDeclare(DATA_EXCHANGE_NAME, "topic", durable);
        String dataPubsubQueueName = mChannel.queueDeclare().getQueue();
        mChannel.queueBind(dataPubsubQueueName, DATA_EXCHANGE_NAME, "GetEncHealthFlag");

        // define which queues to get the messages from 
        mConsumer = new QueueingConsumer(mChannel);
        mChannel.basicConsume(CMD_QUEUE_NAME, autoAck, mConsumer);
        mChannel.basicConsume(cmdFanoutQueueName, autoAck, mConsumer);
        mChannel.basicConsume(dataPubsubQueueName, autoAck, mConsumer);

    } catch (IOException e) {
        mLogger.error("Could not create RMQ channel: " + e.getMessage());
        return;
    }

    try {
        mEngine = new SMEngine(mLogger, SMJavaInvoker.class);
        // The context has to be created before the actions/activities are executed
        mEngine.setContextVar("CHANNEL", mChannel);
        mEngine.setContextVar("CMD_QUEUE_NAME", CMD_QUEUE_NAME);
        mEngine.setContextVar("CMD_EXCHANGE_NAME", CMD_EXCHANGE_NAME);
        mEngine.setContextVar("DATA_EXCHANGE_NAME", DATA_EXCHANGE_NAME);
        mEngine.loadModel("EncoderHealthEstimator.xml");
        mEngine.startExecution();
    } catch (IOException e) {
        mLogger.error("Could not start SM execution: " + e.getMessage());
        return;
    }

    mIsRunning = true;
}

From source file:EncoderHealthEstimator.SMActivity.java

License:Open Source License

public void openConnection() {
    try {//  www .  j av  a2  s  .  co m
        boolean durable = true; // for data we want persistance
        boolean autoAck = true;

        mFactory = new ConnectionFactory();
        mFactory.setHost("localhost");
        mConnection = mFactory.newConnection();
        mChannel = mConnection.createChannel();

        // data pub/sub
        mChannel.exchangeDeclare(DATA_EXCHANGE_NAME, "topic", durable);
        String pubsubQueueName = mChannel.queueDeclare().getQueue();

        mChannel.queueBind(pubsubQueueName, DATA_EXCHANGE_NAME, "GetEncHealthFlag");

        mConsumer = new QueueingConsumer(mChannel);
        mChannel.basicConsume(pubsubQueueName, autoAck, mConsumer);

    } catch (IOException e) {
        getLogger().error("Could not create RMQ channel: " + e.getMessage());
        stopRunning();
    }
}

From source file:es.devcircus.rabbitmq_examples.rabbitmq_hello_world.Recv.java

License:Open Source License

/**
 * //from   w w  w. j a v  a  2 s  . co m
 * @param argv
 * @throws Exception 
 */
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);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

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

    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String message = new String(delivery.getBody());
        System.out.println(" [x] Received '" + message + "'");
    }
}