List of usage examples for com.rabbitmq.client ConnectionFactory newConnection
public Connection newConnection() throws IOException, TimeoutException
From source file:org.adslabs.adsfulltext.Worker.java
License:Open Source License
public boolean connect() { ConnectionFactory rabbitMQInstance; // This creates a connection object, that allows connections to be open to the same // RabbitMQ instance running ////from w w w. jav a 2 s.c o m // There seems to be a lot of catches, but each one should list the reason for it's raise // // It is not necessary to disconnect the connection, it should be dropped when the program exits // See the API guide for more info: https://www.rabbitmq.com/api-guide.html try { rabbitMQInstance = new ConnectionFactory(); logger.info("Connecting to RabbitMQ instance: {}", this.config.data.RABBITMQ_URI); rabbitMQInstance.setUri(this.config.data.RABBITMQ_URI); this.connection = rabbitMQInstance.newConnection(); this.channel = this.connection.createChannel(); // This tells RabbitMQ not to give more than one message to a worker at a time. // Or, in other words, don't dispatch a new message to a worker until it has processed // and acknowledged the previous one. this.channel.basicQos(this.prefetchCount); return true; } catch (java.net.URISyntaxException error) { logger.error("URI error: {}", error.getMessage()); return false; } catch (java.io.IOException error) { logger.error("IO Error, is RabbitMQ running???: {}", error.getMessage()); try { logger.error("Sleeping before exit"); TimeUnit.SECONDS.sleep(5); logger.error("Finished sleeping."); } catch (java.lang.InterruptedException errorTime) { logger.error("Interrupt: {}", errorTime.getMessage()); } return false; } catch (java.security.NoSuchAlgorithmException error) { logger.error("Most likely an SSL related error: ", error.getMessage()); return false; } catch (java.security.KeyManagementException error) { logger.error("Most likely an SSL related error: ", error.getMessage()); return false; } }
From source file:org.apache.airavata.datacat.agent.messageBroker.AiravataUpdateListener.java
License:Apache License
public void startBroker() { (new Thread(new Runnable() { @Override/*from ww w .j a va 2 s . c om*/ public void run() { try { ConnectionFactory factory = new ConnectionFactory(); factory.setHost(RABBITMQ_HOST); Connection connection = factory.newConnection(); Channel channel = connection.createChannel(); channel.exchangeDeclare(EXCHANGE_NAME, "topic"); String queueName = channel.queueDeclare().getQueue(); channel.basicQos(1); channel.queueBind(queueName, EXCHANGE_NAME, BINDING_KEY); logger.debug("Waiting for messages. To exit press CTRL+C"); QueueingConsumer consumer = new QueueingConsumer(channel); channel.basicConsume(queueName, true, consumer); while (runFileUpdateListener) { QueueingConsumer.Delivery delivery = consumer.nextDelivery(); Message message = new Message(); ThriftUtils.createThriftFromBytes(delivery.getBody(), message); TBase event = null; if (message.getMessageType().equals(MessageType.EXPERIMENT_OUTPUT)) { ExperimentOutputCreatedEvent experimentOutputCreatedEvent = new ExperimentOutputCreatedEvent(); ThriftUtils.createThriftFromBytes(message.getEvent(), experimentOutputCreatedEvent); logger.debug(" Message Received with message id '" + message.getMessageId() + "' and with message type '" + message.getMessageType() + "' with experiment name " + experimentOutputCreatedEvent.getExperimentName()); event = experimentOutputCreatedEvent; logger.debug(" [x] Received FileInfo Message'"); process(experimentOutputCreatedEvent, message.getUpdatedTime()); logger.debug(" [x] Done Processing FileInfo Message"); } else { logger.debug("Recieved message of type ..." + message.getMessageType()); } } } catch (Exception e) { logger.error(e); } } })).start(); }
From source file:org.apache.airavata.datacat.agent.messageBroker.RabbitMQProducer.java
License:Apache License
private Connection createConnection() throws IOException { try {/*from w w w . j a v a 2 s.c o m*/ ConnectionFactory factory = new ConnectionFactory(); factory.setHost(url); Connection connection = factory.newConnection(); connection.addShutdownListener(new ShutdownListener() { public void shutdownCompleted(ShutdownSignalException cause) { } }); log.info("connected to rabbitmq: " + connection + " for " + exchangeName); return connection; } catch (Exception e) { log.info("connection failed to rabbitmq: " + connection + " for " + exchangeName); return null; } }
From source file:org.apache.airavata.datacat.agent.org.apache.airavata.datacat.agent.messageBroker.RabbitMQConsumerTest.java
License:Apache License
/** * Test method to publish dummy data to RabbitMQ * @param messageType// w w w .j a v a2 s.c o m * @throws java.io.IOException * @throws TException */ public void publish(MessageType messageType) throws java.io.IOException, TException { //establishing the connection ConnectionFactory factory = new ConnectionFactory(); factory.setHost(RABBITMQ_HOST); Connection connection = factory.newConnection(); Channel channel = connection.createChannel(); channel.exchangeDeclare(EXCHANGE_NAME, "topic"); String DATA_ROOT = AgentProperties.getInstance().getProperty(Constants.DATA_ROOT, ""); //creating the output created Event ExperimentOutputCreatedEvent event = new ExperimentOutputCreatedEvent(); event.setExperimentId("test"); event.setOutputPath(DATA_ROOT + "/2H2OOHNCmin.com.out"); //serializing the event byte[] body = ThriftUtils.serializeThriftObject(event); Message message = new Message(); message.setEvent(body); message.setMessageId("sad"); message.setMessageType(messageType); message.setUpdatedTime(993344232); String routingKey = "*"; //serializing the message object byte[] messageArray = ThriftUtils.serializeThriftObject(message); channel.basicPublish(EXCHANGE_NAME, BINDING_KEY, null, messageArray); logger.debug(" [x] Sent '" + message + "'"); channel.close(); connection.close(); }
From source file:org.apache.airavata.gfac.monitor.impl.push.amqp.SimpleJobFinishConsumer.java
License:Apache License
public void listen() { try {// w ww . ja v a2 s .c om String queueName = ServerSettings.getSetting(Constants.GFAC_SERVER_PORT, "8950"); String uri = "amqp://localhost"; ConnectionFactory connFactory = new ConnectionFactory(); connFactory.setUri(uri); Connection conn = connFactory.newConnection(); logger.info("--------Created the connection to Rabbitmq server successfully-------"); final Channel ch = conn.createChannel(); logger.info("--------Created the channel with Rabbitmq server successfully-------"); ch.queueDeclare(queueName, false, false, false, null); logger.info("--------Declare the queue " + queueName + " in Rabbitmq server successfully-------"); final QueueingConsumer consumer = new QueueingConsumer(ch); ch.basicConsume(queueName, consumer); (new Thread() { public void run() { try { while (true) { QueueingConsumer.Delivery delivery = consumer.nextDelivery(); String message = new String(delivery.getBody()); logger.info( "---------------- Job Finish message received:" + message + " --------------"); synchronized (completedJobsFromPush) { completedJobsFromPush.add(message); } ch.basicAck(delivery.getEnvelope().getDeliveryTag(), false); } } catch (Exception ex) { logger.error("--------Cannot connect to a RabbitMQ Server--------", ex); } } }).start(); } catch (Exception ex) { logger.error("Cannot connect to a RabbitMQ Server: ", ex); logger.info("------------- Push monitoring for HPC jobs is disabled -------------"); } }
From source file:org.apache.airavata.gfac.monitor.util.AMQPConnectionUtil.java
License:Apache License
public static Connection connect(String host, String vhost, String proxyFile) { Connection connection;/* w w w . j av a2 s. c om*/ try { String keyPassPhrase = "test123"; KeyStore ks = X509Helper.keyStoreFromPEM(proxyFile, keyPassPhrase); KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509"); kmf.init(ks, keyPassPhrase.toCharArray()); KeyStore tks = X509Helper.trustKeyStoreFromCertDir(); TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509"); tmf.init(tks); SSLContext c = SSLContext.getInstance("SSLv3"); c.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null); ConnectionFactory factory = new ConnectionFactory(); factory.setHost(host); factory.setPort(5671); factory.useSslProtocol(c); factory.setVirtualHost(vhost); factory.setSaslConfig(DefaultSaslConfig.EXTERNAL); connection = factory.newConnection(); } catch (Exception e) { e.printStackTrace(); return null; } return connection; }
From source file:org.apache.airavata.messaging.core.impl.RabbitMQConsumer.java
License:Apache License
private void createConnection() throws AiravataException { try {/*from w w w . ja v a 2 s . c om*/ ConnectionFactory connectionFactory = new ConnectionFactory(); connectionFactory.setUri(url); connection = connectionFactory.newConnection(); connection.addShutdownListener(new ShutdownListener() { public void shutdownCompleted(ShutdownSignalException cause) { } }); log.info("connected to rabbitmq: " + connection + " for " + exchangeName); channel = connection.createChannel(); channel.exchangeDeclare(exchangeName, "topic", false); } catch (Exception e) { String msg = "could not open channel for exchange " + exchangeName; log.error(msg); throw new AiravataException(msg, e); } }
From source file:org.apache.airavata.messaging.core.impl.RabbitMQProcessConsumer.java
License:Apache License
private void createConnection() throws AiravataException { try {//from w w w . j a v a2 s. c om ConnectionFactory connectionFactory = new ConnectionFactory(); connectionFactory.setUri(url); connection = connectionFactory.newConnection(); connection.addShutdownListener(new ShutdownListener() { public void shutdownCompleted(ShutdownSignalException cause) { } }); log.info("connected to rabbitmq: " + connection + " for default"); channel = connection.createChannel(); // channel.exchangeDeclare(taskLaunchExchangeName, "fanout"); } catch (Exception e) { String msg = "could not open channel for exchange default"; log.error(msg); throw new AiravataException(msg, e); } }
From source file:org.apache.airavata.messaging.core.impl.RabbitMQProcessLaunchConsumer.java
License:Apache License
private void createConnection() throws AiravataException { try {/* w ww .j a va 2 s. com*/ ConnectionFactory connectionFactory = new ConnectionFactory(); connectionFactory.setUri(url); connectionFactory.setAutomaticRecoveryEnabled(true); connection = connectionFactory.newConnection(); connection.addShutdownListener(new ShutdownListener() { public void shutdownCompleted(ShutdownSignalException cause) { } }); log.info("connected to rabbitmq: " + connection + " for " + taskLaunchExchangeName); channel = connection.createChannel(); channel.basicQos(prefetchCount); // channel.exchangeDeclare(taskLaunchExchangeName, "fanout"); } catch (Exception e) { String msg = "could not open channel for exchange " + taskLaunchExchangeName; log.error(msg); throw new AiravataException(msg, e); } }
From source file:org.apache.airavata.messaging.core.impl.RabbitMQProducer.java
License:Apache License
private Connection createConnection() throws IOException { try {/* w w w . j a v a2 s. c o m*/ ConnectionFactory connectionFactory = new ConnectionFactory(); connectionFactory.setUri(url); connectionFactory.setAutomaticRecoveryEnabled(true); Connection connection = connectionFactory.newConnection(); connection.addShutdownListener(new ShutdownListener() { public void shutdownCompleted(ShutdownSignalException cause) { } }); log.info("connected to rabbitmq: " + connection + " for " + exchangeName); return connection; } catch (Exception e) { log.info("connection failed to rabbitmq: " + connection + " for " + exchangeName); return null; } }