Example usage for com.rabbitmq.client ConnectionFactory newConnection

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

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Introduction

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

Prototype

public Connection newConnection() throws IOException, TimeoutException

Source Link

Document

Create a new broker connection.

Usage

From source file:es.devcircus.rabbitmq_examples.rabbitmq_work_queues.Worker.java

License:Open Source License

/**
 * /* w w w.  j  ava2s.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(TASK_QUEUE_NAME, true, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    channel.basicQos(1);

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

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

        System.out.println(" [x] Received '" + message + "'");
        doWork(message);
        System.out.println(" [x] Done");

        channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
    }
}

From source file:eu.betaas.rabbitmq.subscriber.SubscriberService.java

License:Apache License

public void startService() {
    try {//  w  ww.jav a2 s .c om
        log.info("#Starting queue #");
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        Connection connection;
        log.info("#Starting #");
        connection = factory.newConnection();
        log.info("#Starting connection#");
        Channel channel = connection.createChannel();

        channel.exchangeDeclare(ename, mode);
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, ename, bussubkey);
        log.info("#Starting connection on queue #");
        consumer = new QueueingConsumer(channel);
        channel.basicConsume(queueName, true, consumer);

        log.info("#Running #");
        run();

    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (ShutdownSignalException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (ConsumerCancelledException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:eu.europeana.servicebus.client.rabbitmq.RabbitMQClientAsync.java

/**
 * RabbitMQ implementation of ESBClient//from www  .j ava  2  s  . co m
 *
 * @param host The host to connect to
 * @param incomingQueue The incoming queue
 * @param outgoingQueue The outgoing queue
 * @param username Username
 * @param password Password
 * @param consumer The consumer implementation - It can be null. It allows asynchronous consumers as well as enables
 * custom behaviour handling upon incoming message. The default message handling is and should be agnostic of the
 * method semantics to be implemented
 * @throws IOException
 */
public RabbitMQClientAsync(String host, String incomingQueue, String outgoingQueue, String username,
        String password, Consumer consumer) throws IOException {
    this.host = host;
    this.incomingQueue = incomingQueue;
    this.outgoingQueue = outgoingQueue;
    this.username = username;
    this.password = password;
    if (consumer == null) {
        this.consumer = new DefaultConsumer(receiveChannel);
    } else {
        this.consumer = consumer;
    }
    ConnectionFactory factory = new ConnectionFactory();
    builder = new AMQP.BasicProperties.Builder();
    factory.setHost(host);
    factory.setUsername(username);
    factory.setPassword(password);

    connection = factory.newConnection();
    sendChannel = connection.createChannel();
    receiveChannel = connection.createChannel();
    sendChannel.queueDeclare(outgoingQueue, true, false, false, null);
    receiveChannel.queueDeclare(incomingQueue, true, false, false, null);
    receiveChannel.basicConsume(incomingQueue, true, consumer);

}

From source file:eu.netide.util.topology.update.impl.NotificationProducer.java

License:Open Source License

public void init(String rabbitHost, int rabbitPort, String rabbitUser, String rabbitPassword,
        String rabbitVirtualHost, String exchangeName, String baseTopicName, String nodeTopicName,
        String nodeConnectorTopicName, String linkTopicName) {

    this.exchangeName = exchangeName;
    this.baseTopicName = baseTopicName;
    this.nodeTopicName = nodeTopicName;
    this.nodeConnectorTopicName = nodeConnectorTopicName;
    this.linkTopicName = linkTopicName;

    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(rabbitUser);/*from   ww w  . jav a2s  .  co m*/
    factory.setPassword(rabbitPassword);
    factory.setVirtualHost(rabbitVirtualHost);
    factory.setHost(rabbitHost);
    factory.setPort(rabbitPort);
    factory.setAutomaticRecoveryEnabled(true);

    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.exchangeDeclare(exchangeName, "topic", true);
        init = true;
    } catch (IOException e) {
        LOG.error(e.getMessage());
    } catch (TimeoutException e) {
        LOG.error(e.getMessage());
    }
}

From source file:flens.Agent.java

License:Apache License

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

    ConfigHandler ch = new ConfigHandler();

    Gson g = new Gson();

    Map<String, Object> myconfig = g.fromJson(new FileReader(args[0]), HashMap.class);

    Map<String, String> tags = (Map<String, String>) myconfig.get("tags");

    Map<String, Object> initial = (Map<String, Object>) myconfig.get("init");

    String server = (String) myconfig.get("server");
    String name = (String) myconfig.get("name");

    System.out.println(String.format("connecting to %s as %s, with tags %s", server, name, tags));

    List<CommandHandler> chs = new LinkedList<>();
    chs.add(new PingHandler());
    chs.add(ch);/*from   ww  w  .j  a v a  2  s.  c om*/

    ConnectionFactory c = new ConnectionFactory();
    c.setHost(server);
    c.setUsername("guest");
    c.setPassword("guest");
    c.setPort(5672);

    CommandServer cs = new CommandServer(name, c.newConnection(), tags, chs);
    cs.start();
    ch.load(initial);
    ch.getEngine().addTags(tags);
    ch.getEngine().start();
}

From source file:flink.streamer.CustomRMQSource.java

License:Apache License

/**
 * Initializes the connection to RMQ./*from  w  ww .j a v a2s. c  om*/
 */
private void initializeConnection() {
    ConnectionFactory factory = setupConnectionFactory();
    try {
        factory.setUri(uri);
        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.queueDeclare(queueName, true, false, false, null);
        consumer = new QueueingConsumer(channel);

        RuntimeContext runtimeContext = getRuntimeContext();
        if (runtimeContext instanceof StreamingRuntimeContext
                && ((StreamingRuntimeContext) runtimeContext).isCheckpointingEnabled()) {
            autoAck = false;
            // enables transaction mode
            channel.txSelect();
        } else {
            autoAck = true;
        }

        LOG.debug("Starting RabbitMQ source with autoAck status: " + autoAck);
        channel.basicConsume(queueName, autoAck, consumer);

    } catch (IOException e) {
        throw new RuntimeException("Cannot create RMQ connection with " + queueName + " at " + uri, e);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (KeyManagementException e) {
        e.printStackTrace();
    } catch (URISyntaxException e) {
        e.printStackTrace();
    }
}

From source file:gash.router.server.MessageServer.java

License:Apache License

public void createQueue() throws IOException, ShutdownSignalException, ConsumerCancelledException,
        InterruptedException, SQLException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    channel.queueDeclare("inbound_queue", false, false, false, null);
    channel.basicQos(1);// w  w w  . jav  a2  s  . c o  m
    postgre = new PostgreSQL(url, username, password, dbname, ssl);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume("inbound_queue", false, consumer);
    //       Map<String, byte[]> map = new HashMap<String, byte[]>();
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        BasicProperties props = delivery.getProperties();
        String request = props.getType();
        System.out.println(request);

        if (request != null) {
            if (request.equals("get")) {
                String key = new String(delivery.getBody());
                BasicProperties replyProps = new BasicProperties.Builder()
                        .correlationId(props.getCorrelationId()).build();
                byte[] image = postgre.get(key);
                channel.basicPublish("", props.getReplyTo(), replyProps, image);
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            }

            if (request.equals("put")) {
                byte[] image = delivery.getBody();
                postgre.put(props.getUserId(), image);
                BasicProperties replyProps = new BasicProperties.Builder()
                        .correlationId(props.getCorrelationId()).build();

                channel.basicPublish("", props.getReplyTo(), replyProps, image);
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            }
            if (request.equals("post")) {
                System.out.println("Message Server");
                String key = postgre.post(delivery.getBody());
                BasicProperties replyProps = new BasicProperties.Builder()
                        .correlationId(props.getCorrelationId()).build();

                channel.basicPublish("", props.getReplyTo(), replyProps, key.getBytes());
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            }
            if (request.equals("delete")) {
                String key = new String(delivery.getBody());
                postgre.delete(key);
            }

        }
    }
}

From source file:getbanks2.GetBanks2.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException// ww  w . j  a v  a2s  .  c o  m
 * @throws java.util.concurrent.TimeoutException
 */
public static void main(String[] args) throws IOException, TimeoutException {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");
    Connection connection = factory.newConnection();
    Channel listeningChannel = connection.createChannel();
    Channel sendingChannel = connection.createChannel();

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

    Consumer consumer = new DefaultConsumer(listeningChannel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            message = new String(body, "UTF-8");
            System.out.println(" [x] Received '" + message + "'");

            String[] arr = message.split(",");

            String banks = getBanks(arr[0], Integer.parseInt(arr[1]), Double.parseDouble(arr[2]),
                    Integer.parseInt(arr[3]));

            message += "," + banks;

            System.out.println(message);

            sendingChannel.queueDeclare(SENDING_QUEUE_NAME, false, false, false, null);
            sendingChannel.basicPublish("", SENDING_QUEUE_NAME, null, message.getBytes());

        }
    };
    listeningChannel.basicConsume(LISTENING_QUEUE_NAME, true, consumer);

}

From source file:getcreditscore.GetCreditScore.java

public static void main(String[] args) throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");

    Connection connection = factory.newConnection();
    Channel sendingChannel = connection.createChannel();
    Channel listeningChannel = connection.createChannel();

    listeningChannel.queueDeclare(LISTENING_QUEUE_NAME, false, false, false, null);

    Consumer consumer = new DefaultConsumer(listeningChannel) {
        @Override//from  w  w  w  . j  av a 2s.  c om
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            message = new String(body, "UTF-8");
            System.out.println(" [x] Received '" + message + "'");

            String[] arr = message.split(",");

            sendingChannel.queueDeclare(SENDING_QUEUE_NAME, false, false, false, null);

            String message = arr[0] + "," + creditScore(arr[0]) + "," + arr[1] + "," + arr[2];

            sendingChannel.basicPublish("", SENDING_QUEUE_NAME, null, message.getBytes());
            System.out.println(" [x] Sent '" + message + "'");

        }
    };

    listeningChannel.basicConsume(LISTENING_QUEUE_NAME, true, consumer);
}

From source file:grnet.com.entry.Actions.java

License:Open Source License

private void logRepo(Repository repo, String status) {
    StringBuffer buffer = new StringBuffer();

    buffer.append(repo.getName());/*from www  .  j  a va2  s.co  m*/
    buffer.append(" " + status);
    buffer.append(" " + repo.getUrl());
    buffer.append(" " + repo.getPrefix());
    buffer.append(" " + repo.getOaiVersion());
    buffer.append(" " + repo.getDelPolicy());
    buffer.append(" " + repo.getGranularity());
    buffer.append(" " + repo.getResponsible());
    slf4jLogger.info(buffer.toString());

    ConnectionFactory factory = new ConnectionFactory();

    factory.setHost(props.getProperty(Constants.queueHost));
    factory.setUsername(props.getProperty(Constants.queueUser));
    factory.setPassword(props.getProperty(Constants.queuePass));

    Connection connection;
    try {
        connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.queueDeclare(QUEUE_NAME, false, false, false, null);

        channel.basicPublish("", QUEUE_NAME, null, buffer.toString().getBytes());
        channel.close();
        connection.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}