Example usage for javax.jms ConnectionFactory createConnection

Introduction

In this page you can find the example usage for javax.jms ConnectionFactory createConnection.

Prototype

Connection createConnection() throws JMSException;

Source Link

Document

Creates a connection with the default user identity.

Usage

From source file:org.apache.flume.source.jms.TestIntegrationActiveMQ.java

private void putTopic(List<String> events) throws Exception {
    ConnectionFactory factory = new ActiveMQConnectionFactory(USERNAME, PASSWORD, BROKER_BIND_URL);
    Connection connection = factory.createConnection();
    connection.start();//from w  w w.j av a 2 s  .c o  m

    Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(DESTINATION_NAME);
    MessageProducer producer = session.createProducer(destination);

    for (String event : events) {
        TextMessage message = session.createTextMessage();
        message.setText(event);
        producer.send(message);
    }
    session.commit();
    session.close();
    connection.close();
}

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From source file:org.artificer.events.jms.JMSEventProducer.java

@Override
public void startup() {
    if (ArtificerConfig.isJmsEnabled()) {
        try {//w ww  . ja  va  2  s. c o  m
            String connectionFactoryName = ArtificerConfig.getConfigProperty(
                    ArtificerConstants.ARTIFICER_CONFIG_EVENT_JMS_CONNECTIONFACTORY, "ConnectionFactory");

            // Note that both properties end up doing the same thing.  Technically, we could combine both into one
            // single sramp.config.events.jms.destinations, but leaving them split for readability.
            String topicNamesProp = ArtificerConfig
                    .getConfigProperty(ArtificerConstants.ARTIFICER_CONFIG_EVENT_JMS_TOPICS, "");
            String[] topicNames = new String[0];
            if (StringUtils.isNotEmpty(topicNamesProp)) {
                topicNames = topicNamesProp.split(",");
            }
            String queueNamesProp = ArtificerConfig
                    .getConfigProperty(ArtificerConstants.ARTIFICER_CONFIG_EVENT_JMS_QUEUES, "");
            String[] queueNames = new String[0];
            if (StringUtils.isNotEmpty(queueNamesProp)) {
                queueNames = queueNamesProp.split(",");
            }

            // See if a ConnectionFactory and Topic/Queue exists on JNDI.  If so, assume JMS is properly
            // setup in a Java EE container and use it.

            ConnectionFactory connectionFactory = (ConnectionFactory) jndiLookup(connectionFactoryName);
            connection = connectionFactory.createConnection();
            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

            for (String topicName : topicNames) {
                Topic topic = (Topic) jndiLookup(topicName);
                destinations.add(topic);
            }

            for (String queueName : queueNames) {
                Queue queue = (Queue) jndiLookup(queueName);
                destinations.add(queue);
            }
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
        }
    }
}

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From source file:org.apache.falcon.oozie.workflow.FalconPostProcessingTest.java

private void consumer(String brokerUrl, String topic, boolean checkUserMessage) throws JMSException {
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(brokerUrl);
    Connection connection = connectionFactory.createConnection();
    connection.start();/*from  ww  w . j a  v a  2 s .  c  om*/

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(topic);
    MessageConsumer consumer = session.createConsumer(destination);

    latch.countDown();

    // Verify user message
    if (checkUserMessage) {
        verifyMesssage(consumer);
    }

    // Verify falcon message
    verifyMesssage(consumer);

    connection.close();
}

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From source file:org.trellisldp.app.triplestore.TrellisApplicationTest.java

@BeforeEach
public void aquireConnection() throws Exception {
    final ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");
    connection = connectionFactory.createConnection();
    connection.start();//from  w ww  .ja v  a2  s.  c o m
    final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    final Destination destination = session.createQueue("trellis");
    consumer = session.createConsumer(destination);
    consumer.setMessageListener(this);
}

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From source file:org.dawnsci.commandserver.core.producer.AliveConsumer.java

protected void createTerminateListener() throws Exception {

    ConnectionFactory connectionFactory = ConnectionFactoryFacade.createConnectionFactory(uri);
    this.terminateConnection = connectionFactory.createConnection();
    terminateConnection.start();/* w  ww  .  jav a2 s  .com*/

    Session session = terminateConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);

    final Topic topic = session.createTopic(Constants.TERMINATE_CONSUMER_TOPIC);
    final MessageConsumer consumer = session.createConsumer(topic);

    final ObjectMapper mapper = new ObjectMapper();

    MessageListener listener = new MessageListener() {
        public void onMessage(Message message) {
            try {
                if (message instanceof TextMessage) {
                    TextMessage t = (TextMessage) message;
                    final ConsumerBean bean = mapper.readValue(t.getText(), ConsumerBean.class);

                    if (bean.getStatus().isFinal()) { // Something else already happened
                        terminateConnection.close();
                        return;
                    }

                    if (consumerId.equals(bean.getConsumerId())) {
                        if (bean.getStatus() == ConsumerStatus.REQUEST_TERMINATE) {
                            System.out.println(getName() + " has been requested to terminate and will exit.");
                            cbean.setStatus(ConsumerStatus.REQUEST_TERMINATE);
                            Thread.currentThread().sleep(2500);
                            System.exit(0);
                        }
                    }

                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

    };
    consumer.setMessageListener(listener);

}

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From source file:org.overlord.sramp.events.jms.JMSEventProducer.java

private void initActiveMQ(ConnectionFactory connectionFactory, String[] topicNames, String[] queueNames)
        throws Exception {
    connection = connectionFactory.createConnection();
    connection.start();//from   ww w .ja  v a2 s .c  o  m
    session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

    for (String topicName : topicNames) {
        destinations.add(session.createTopic(topicName));
    }

    for (String queueName : queueNames) {
        destinations.add(session.createQueue(queueName));
    }
}

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From source file:org.dawnsci.commandserver.core.producer.AliveConsumer.java

protected void startNotifications() throws Exception {

    if (uri == null)
        throw new NullPointerException("Please set the URI before starting notifications!");
    this.cbean = new ConsumerBean();
    cbean.setStatus(ConsumerStatus.STARTING);
    cbean.setName(getName());/* ww w.  ja v a2 s.c o m*/
    cbean.setConsumerId(consumerId);
    cbean.setVersion(consumerVersion);
    cbean.setStartTime(System.currentTimeMillis());
    try {
        cbean.setHostName(InetAddress.getLocalHost().getHostName());
    } catch (UnknownHostException e) {
        // Not fatal but would be nice...
        e.printStackTrace();
    }

    System.out.println("Running events on topic " + Constants.ALIVE_TOPIC + " to notify of '" + getName()
            + "' service being available.");

    final Thread aliveThread = new Thread(new Runnable() {
        public void run() {

            try {
                ConnectionFactory connectionFactory = ConnectionFactoryFacade.createConnectionFactory(uri);
                aliveConnection = connectionFactory.createConnection();
                aliveConnection.start();

                final Session session = aliveConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                final Topic topic = session.createTopic(Constants.ALIVE_TOPIC);
                final MessageProducer producer = session.createProducer(topic);

                final ObjectMapper mapper = new ObjectMapper();

                // Here we are sending the message out to the topic
                while (isActive()) {
                    try {
                        Thread.sleep(Constants.NOTIFICATION_FREQUENCY);

                        TextMessage temp = session.createTextMessage(mapper.writeValueAsString(cbean));
                        producer.send(temp, DeliveryMode.NON_PERSISTENT, 1, 5000);

                        if (ConsumerStatus.STARTING.equals(cbean.getStatus())) {
                            cbean.setStatus(ConsumerStatus.RUNNING);
                        }

                    } catch (InterruptedException ne) {
                        break;
                    } catch (Exception neOther) {
                        neOther.printStackTrace();
                    }
                }
            } catch (Exception ne) {
                ne.printStackTrace();
                setActive(false);
            }
        }
    });
    aliveThread.setName("Alive Notification Topic");
    aliveThread.setDaemon(true);
    aliveThread.setPriority(Thread.MIN_PRIORITY);
    aliveThread.start();
}

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From source file:org.exist.messaging.JmsMessageSender.java

@Override
public NodeImpl send(JmsMessagingConfiguration config, MessagingMetadata metadata, Item content)
        throws XPathException {

    // JMS specific checks
    config.validateContent();//from w  ww .ja  v a2 s  .  co  m

    // Retrieve relevant values
    String initialContextFactory = config.getInitalContextProperty(Context.INITIAL_CONTEXT_FACTORY);
    String providerURL = config.getInitalContextProperty(Context.PROVIDER_URL);
    String connectionFactory = config.getConnectionFactory();
    String destination = config.getDestination();

    // TODO split up, use more exceptions, add better reporting
    try {
        Properties props = new Properties();
        props.setProperty(Context.INITIAL_CONTEXT_FACTORY, initialContextFactory);
        props.setProperty(Context.PROVIDER_URL, providerURL);
        javax.naming.Context context = new InitialContext(props);

        // Setup connection
        ConnectionFactory cf = (ConnectionFactory) context.lookup(connectionFactory);
        Connection connection = cf.createConnection();

        // Lookup queue
        Destination dest = (Destination) context.lookup(destination);

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

        // Create message producer
        MessageProducer producer = session.createProducer(dest);

        // Create message
        Message message = createMessage(session, content, metadata, xqcontext);

        // Write properties
        Map<String, String> kvs = metadata.getValueMap();
        for (String key : kvs.keySet()) {
            message.setStringProperty(key, kvs.get(key));
        }

        // Send message
        producer.send(message);

        // Close connection
        // TODO keep connection open for re-use, efficiency
        connection.close();

        return createReport(message, xqcontext);

    } catch (Throwable ex) {
        LOG.error(ex);
        throw new XPathException(ex);
    }
}

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From source file:org.jbpm.ejb.impl.CommandListenerBean.java

private Session createSession() throws JMSException {
    if (jmsConnection == null) {
        // lookup factory and create jms connection
        try {// ww w. j  av a2 s .  c om
            Context initial = new InitialContext();
            ConnectionFactory jmsConnectionFactory = (ConnectionFactory) initial
                    .lookup("java:comp/env/jms/JbpmConnectionFactory");
            jmsConnection = jmsConnectionFactory.createConnection();
        } catch (NamingException e) {
            throw new EJBException("error retrieving jms connection factory", e);
        }
    }
    /*
     * if the connection supports xa, the session will be transacted, else the
     * session will auto acknowledge; in either case no explicit transaction
     * control must be performed - see ejb 2.1 17.3.5
     */
    return jmsConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
}

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From source file:org.mule.transport.jms.Jms11Support.java

public Connection createConnection(ConnectionFactory connectionFactory) throws JMSException {
    if (connectionFactory == null) {
        throw new IllegalArgumentException("connectionFactory cannot be null");
    }/*w  ww  .  j  av  a2 s.  co  m*/
    return connectionFactory.createConnection();
}

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