Example usage for javax.jms TopicConnection start

List of usage examples for javax.jms TopicConnection start

  1. HOME
  2. Java
  3. javax
  4. javax.jms.*
  5. TopicConnection
  6. start

Introduction

In this page you can find the example usage for javax.jms TopicConnection start.

Prototype


void start() throws JMSException;

Source Link

Document

Starts (or restarts) a connection's delivery of incoming messages.

Usage

From source file:jenkins.plugins.logstash.persistence.ActiveMqDao.java

@Override
public void push(String data) throws IOException {
    TopicConnection connection = null;
    Session session = null;//from   w w  w  .  ja v  a2s.c om
    try {
        // Create a Connection
        connection = connectionFactory.createTopicConnection();

        connection.start();

        // Create a Session
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

        // Create the destination Queue
        Destination destination = session.createTopic(key);

        // Create the MessageProducer from the Session to the Queue
        MessageProducer producer = session.createProducer(destination);

        producer.setDeliveryMode(DeliveryMode.PERSISTENT);

        // Create the message
        TextMessage message = session.createTextMessage(data);
        message.setJMSType("application/json");
        // Tell the producer to send the message
        producer.send(message);

        //logger.log( Level.FINER, String.format("JMS message sent with ID [%s]", message.getJMSMessageID()));

    } catch (JMSException e) {
        logger.log(Level.SEVERE, null != e.getMessage() ? e.getMessage() : e.getClass().getName());
        throw new IOException(e);
    } finally {
        // Clean up
        try {
            if (null != session)
                session.close();
        } catch (JMSException e) {
            logger.log(Level.WARNING, null != e.getMessage() ? e.getMessage() : e.getClass().getName());
        }
        try {
            if (null != connection)
                connection.close();
        } catch (JMSException e) {
            logger.log(Level.WARNING, null != e.getMessage() ? e.getMessage() : e.getClass().getName());
        }
    }
}

From source file:eu.eubrazilcc.lvl.storage.activemq.ActiveMQConnector.java

public void subscribe(final String topicName, final MessageListener listener) {
    String topicName2 = null;/*from  w  w w  . j a  v  a2s .  c  o m*/
    checkArgument(isNotBlank(topicName2 = trimToEmpty(topicName)), "Uninitialized or invalid topic");
    checkNotNull(listener);
    TopicConnection conn = null;
    TopicSession session = null;
    MessageConsumer consumer = null;
    try {
        conn = broker().getConsumersConnFactory().createTopicConnection();
        conn.start();
        session = conn.createTopicSession(false, AUTO_ACKNOWLEDGE);
        final Topic topic = session.createTopic(topicName2);
        consumer = session.createConsumer(topic);
        consumer.setMessageListener(listener);
        register(TopicSubscriber.builder().topicName(topicName2).connection(conn).session(session)
                .consumer(consumer).build());
        LOGGER.info("Subscribed to topic: " + topicName2);
    } catch (JMSException e) {
        if (consumer != null) {
            try {
                consumer.close();
            } catch (JMSException ignore) {
            }
        }
        if (session != null) {
            try {
                session.close();
            } catch (JMSException ignore) {
            }
        }
        if (conn != null) {
            try {
                conn.close();
            } catch (JMSException ignore) {
            }
        }
        LOGGER.error("Failed to subscribe to topic: " + topicName2, e);
    }
}

From source file:org.openmrs.event.EventEngine.java

/**
 * @see Event#subscribe(Destination, EventListener)
 *//* w w  w. j  a v  a  2 s . c  o m*/
public void subscribe(Destination destination, final EventListener listenerToRegister) {

    initializeIfNeeded();

    TopicConnection conn;
    Topic topic = (Topic) destination;

    try {
        conn = (TopicConnection) jmsTemplate.getConnectionFactory().createConnection();
        TopicSession session = conn.createTopicSession(false, TopicSession.AUTO_ACKNOWLEDGE);
        TopicSubscriber subscriber = session.createSubscriber(topic);
        subscriber.setMessageListener(new MessageListener() {

            @Override
            public void onMessage(Message message) {
                listenerToRegister.onMessage(message);
            }
        });

        //Check if this is a duplicate and remove it
        String key = topic.getTopicName() + DELIMITER + listenerToRegister.getClass().getName();
        if (subscribers.containsKey(key)) {
            unsubscribe(destination, listenerToRegister);
        }

        subscribers.put(key, subscriber);
        conn.start();

    } catch (JMSException e) {
        // TODO Auto-generated catch block. Do something smarter here.
        e.printStackTrace();
    }

    //      List<EventListener> currentListeners = listeners.get(key);
    //
    //      if (currentListeners == null) {
    //         currentListeners = new ArrayList<EventListener>();
    //         currentListeners.add(listenerToRegister);
    //         listeners.put(key, currentListeners);
    //         if (log.isInfoEnabled())
    //            log.info("subscribed: " + listenerToRegister + " to key: "
    //                  + key);
    //
    //      } else {
    //         // prevent duplicates because of weird spring loading
    //         String listernToRegisterName = listenerToRegister.getClass()
    //               .getName();
    //         Iterator<EventListener> iterator = currentListeners.iterator();
    //         while (iterator.hasNext()) {
    //            EventListener lstnr = iterator.next();
    //            if (lstnr.getClass().getName().equals(listernToRegisterName))
    //               iterator.remove();
    //         }
    //
    //         if (log.isInfoEnabled())
    //            log.info("subscribing: " + listenerToRegister + " to key: "
    //                  + key);
    //
    //         currentListeners.add(listenerToRegister);
    //      }

}

From source file:org.miloss.fgsms.bueller.Bueller.java

private String doJmsURL(boolean pooled, String endpoint) {
    try {/*w  w  w. j a v a  2  s.  c o  m*/

        boolean ok = false;
        String server = endpoint.split("#")[0];
        server = server.replace("jms:", "jnp://");
        String name = endpoint.split("#")[1];
        String msg = "";
        String[] info = DBSettingsLoader.GetCredentials(pooled, endpoint);
        String username = null;
        String password = null;
        if (info != null) {
            username = info[0];
            password = info[1];
        } else {
            info = DBSettingsLoader.GetDefaultBuellerCredentials(pooled);
            if (info != null) {
                username = info[0];
                password = info[1];
            }
        }

        if (name.startsWith("topic")) {
            try {
                Properties properties1 = new Properties();
                properties1.put(Context.INITIAL_CONTEXT_FACTORY,
                        "org.jnp.interfaces.NamingContextFactory");
                properties1.put(Context.URL_PKG_PREFIXES,
                        "org.jboss.naming:org.jnp.interfaces");
                //properties1.put(Context.PROVIDER_URL, "jnp://127.0.0.1:1099");
                properties1.put(Context.PROVIDER_URL, server);

                InitialContext iniCtx = new InitialContext(properties1);

                TopicConnectionFactory tcf = (TopicConnectionFactory) iniCtx.lookup("TopicConnectionFactory");
                TopicConnection createTopicConnection = null;
                if (info != null) {
                    createTopicConnection = tcf.createTopicConnection(username, Utility.DE(password)); //Topic topic = (Topic) iniCtx.lookup("/topic/quickstart_jmstopic_topic");
                } else {
                    createTopicConnection = tcf.createTopicConnection(); //Topic topic = (Topic) iniCtx.lookup("/topic/quickstart_jmstopic_topic");
                }
                createTopicConnection.start();
                createTopicConnection.stop();
                createTopicConnection.close();
                //Topic topic = (Topic) iniCtx.lookup("//" + name);
                ok = true;

                //topic = null;
                iniCtx.close();

            } catch (Exception ex) {
                System.out.println(ex);
                msg = ex.getLocalizedMessage();
                //return ex.getLocalizedMessage();
            }
        } else if (name.startsWith("queue")) {
            try {

                Properties properties1 = new Properties();
                properties1.put(Context.INITIAL_CONTEXT_FACTORY,
                        "org.jnp.interfaces.NamingContextFactory");
                properties1.put(Context.URL_PKG_PREFIXES,
                        "org.jboss.naming:org.jnp.interfaces");
                properties1.put(Context.PROVIDER_URL, server);
                InitialContext iniCtx = new InitialContext(properties1);
                QueueConnection conn;
                QueueSession session;
                Queue que;

                Object tmp = iniCtx.lookup("ConnectionFactory");
                QueueConnectionFactory qcf = (QueueConnectionFactory) tmp;
                if (info != null) {
                    conn = qcf.createQueueConnection(username, Utility.DE(password));
                } else {
                    conn = qcf.createQueueConnection();
                }

                que = (Queue) iniCtx.lookup(name);
                session = conn.createQueueSession(false, QueueSession.AUTO_ACKNOWLEDGE);
                conn.start();

                //System.out.println("Connection Started");
                ok = true;

                conn.stop();
                session.close();
                iniCtx.close();

            } catch (Exception ex) {
                log.log(Level.WARN, "Could not bind to jms queue", ex);
                msg = ex.getLocalizedMessage();
            }
            if (ok) {
                return "OK";
            }
            return "Unable to bind to JMS queue: " + msg;
        } else {
            return "Unsupported Protocol";
        }
    } catch (Exception ex) {
        log.log(Level.WARN, "service " + endpoint + " is offline or an error occured", ex);
        return "Offline " + ex.getLocalizedMessage();
    }
    return "undeterminable";
}

From source file:org.apache.activemq.usecases.DurableSubscriptionHangTestCase.java

private void registerDurableSubscription() throws JMSException {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://" + brokerName);
    TopicConnection connection = connectionFactory.createTopicConnection();
    connection.setClientID(clientID);/*w w  w.  j a v a 2 s  .co  m*/
    TopicSession topicSession = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
    Topic topic = topicSession.createTopic(topicName);
    TopicSubscriber durableSubscriber = topicSession.createDurableSubscriber(topic, durableSubName);
    connection.start();
    durableSubscriber.close();
    connection.close();
    LOG.info("Durable Sub Registered");
}

From source file:org.apache.activemq.usecases.DurableSubscriptionHangTestCase.java

private Message collectMessagesFromDurableSubscriptionForOneMinute() throws Exception {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://" + brokerName);
    TopicConnection connection = connectionFactory.createTopicConnection();

    connection.setClientID(clientID);//from   w  w  w .  j ava 2 s .  co m
    TopicSession topicSession = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
    Topic topic = topicSession.createTopic(topicName);
    connection.start();
    TopicSubscriber subscriber = topicSession.createDurableSubscriber(topic, durableSubName);
    LOG.info("About to receive messages");
    Message message = subscriber.receive(120000);
    subscriber.close();
    connection.close();
    LOG.info("collectMessagesFromDurableSubscriptionForOneMinute done");

    return message;
}

From source file:org.apache.stratos.adc.topology.mgt.subscriber.TopologySubscriber.java

public static void subscribe(String topicName) {
    Properties initialContextProperties = new Properties();
    TopicSubscriber topicSubscriber = null;
    TopicSession topicSession = null;/*from   ww w.  j av  a 2  s. c o  m*/
    TopicConnection topicConnection = null;
    InitialContext initialContext = null;

    initialContextProperties.put("java.naming.factory.initial",
            "org.wso2.andes.jndi.PropertiesFileInitialContextFactory");

    String mbServerIp = System.getProperty(TopologyConstants.MB_SERVER_IP) == null
            ? TopologyConstants.DEFAULT_MB_SERVER_IP
            : System.getProperty(TopologyConstants.MB_SERVER_IP);

    String connectionString = "amqp://admin:admin@clientID/carbon?brokerlist='tcp://" + mbServerIp
            + "'&reconnect='true'";
    initialContextProperties.put("connectionfactory.qpidConnectionfactory", connectionString);

    try {
        initialContext = new InitialContext(initialContextProperties);
        TopicConnectionFactory topicConnectionFactory = (TopicConnectionFactory) initialContext
                .lookup("qpidConnectionfactory");
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
        topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        Topic topic = topicSession.createTopic(topicName);
        topicSubscriber = topicSession.createSubscriber(topic);

        topicSubscriber.setMessageListener(new TopologyListener());

    } catch (Exception e) {
        log.error(e.getMessage(), e);

        try {
            if (topicSubscriber != null) {
                topicSubscriber.close();
            }

            if (topicSession != null) {
                topicSession.close();
            }

            if (topicConnection != null) {
                topicConnection.close();
            }
        } catch (JMSException e1) {
            // ignore
        }

    } finally {
        // start the health checker
        Thread healthChecker = new Thread(new TopicHealthChecker(topicName, topicSubscriber));
        healthChecker.start();
    }
}

From source file:org.apache.stratos.lb.endpoint.subscriber.TopologySubscriber.java

public static void subscribe(String topicName) {
    Properties initialContextProperties = new Properties();
    TopicSubscriber topicSubscriber = null;
    TopicSession topicSession = null;//from  ww w.  jav a 2s.  co  m
    TopicConnection topicConnection = null;
    InitialContext initialContext = null;

    initialContextProperties.put("java.naming.factory.initial",
            "org.wso2.andes.jndi.PropertiesFileInitialContextFactory");

    String mbServerUrl = null;
    if (ConfigHolder.getInstance().getLbConfig() != null) {
        mbServerUrl = ConfigHolder.getInstance().getLbConfig().getLoadBalancerConfig().getMbServerUrl();
    }
    String connectionString = "amqp://admin:admin@clientID/carbon?brokerlist='tcp://"
            + (mbServerUrl == null ? TopologyConstants.DEFAULT_MB_SERVER_URL : mbServerUrl)
            + "'&reconnect='true'";
    initialContextProperties.put("connectionfactory.qpidConnectionfactory", connectionString);

    try {
        initialContext = new InitialContext(initialContextProperties);
        TopicConnectionFactory topicConnectionFactory = (TopicConnectionFactory) initialContext
                .lookup("qpidConnectionfactory");
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
        topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        Topic topic = topicSession.createTopic(topicName);
        topicSubscriber = topicSession.createSubscriber(topic);

        topicSubscriber.setMessageListener(new TopologyListener());

    } catch (Exception e) {
        log.error(e.getMessage(), e);

        try {
            if (topicSubscriber != null) {
                topicSubscriber.close();
            }

            if (topicSession != null) {
                topicSession.close();
            }

            if (topicConnection != null) {
                topicConnection.close();
            }
        } catch (JMSException e1) {
            // ignore
        }

    } finally {
        // start the health checker
        Thread healthChecker = new Thread(new TopicHealthChecker(topicName, topicSubscriber));
        healthChecker.start();
    }
}

From source file:org.openhie.openempi.notification.impl.NotificationServiceImpl.java

public void registerListener(String eventTypeName, MessageHandler handler) {
    if (brokerService == null || !brokerInitialized) {
        log.debug("The broker service is not running in registerListener.");
        return;/*w ww. j av  a  2  s .c  o m*/
    }

    log.info("Registering handler for event " + eventTypeName);
    if (!isValidHandler(handler)) {
        return;
    }

    Topic topic = topicMap.get(eventTypeName);
    if (topic == null) {
        log.error("Caller attempted to register interest to events of unknown type " + eventTypeName);
        throw new RuntimeException("Unknown event type specified in registration request.");
    }

    if (isListenerRegistered(handler, eventTypeName)) {
        log.warn("Caller attempted to register interest for the same event again.");
        return;
    }
    ConnectionFactory connectionFactory = jmsTemplate.getConnectionFactory();
    try {
        TopicConnection connection = (TopicConnection) connectionFactory.createConnection();
        if (connection.getClientID() == null) {
            connection.setClientID(handler.getClientId());
        }
        log.debug("Connection is of type " + connection);
        TopicSession topicSession = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
        TopicSubscriber subscriber = topicSession.createSubscriber(topic);
        MessageListenerImpl listener = new MessageListenerImpl(connection, topicSession, subscriber, handler);
        saveListenerRegistration(listener, eventTypeName);
        subscriber.setMessageListener(listener);
        connection.start();
    } catch (JMSException e) {
        log.error("Failed while setting up a registrant for notification events. Error: " + e, e);
        throw new RuntimeException("Unable to setup registration for event notification: " + e.getMessage());
    }
}

From source file:org.wso2.carbon.andes.event.core.internal.delivery.jms.JMSDeliveryManager.java

/**
 * Initialize and return topic connection
 *
 * @param userName username// w  ww  .j a  va  2 s. c  om
 * @return topic connection
 * @throws EventBrokerException
 */
public TopicConnection getTopicConnection(String userName) throws EventBrokerException {
    InitialContext initialContext = null;
    try {

        initialContext = new InitialContext(getInitialContextProperties(userName,
                EventBrokerHolder.getInstance().getQpidServerDetails().getAccessKey()));
        TopicConnectionFactory topicConnectionFactory = getTopicConnectionFactory(initialContext);

        TopicConnection topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
        return topicConnection;
    } catch (NamingException e) {
        throw new EventBrokerException("Can not create the initial context", e);
    } catch (EventBrokerException | JMSException e) {
        throw new EventBrokerException("Can not create topic connection", e);
    } finally {
        if (initialContext != null) {
            try {
                initialContext.close();
            } catch (NamingException e) {
                log.error("Can not close the inital context factory ", e);
            }
        }
    }
}