Examples with Connection javax.jms.Connection used on opensource projects

Example 1 with Connection

use of javax.jms.Connection in project camel by apache.

the class JmsProducer method testConnectionOnStartup.

/**
     * Pre tests the connection before starting the listening.
     * <p/>
     * In case of connection failure the exception is thrown which prevents Camel from starting.
     *
     * @throws FailedToCreateProducerException is thrown if testing the connection failed
     */
protected void testConnectionOnStartup() throws FailedToCreateProducerException {
    try {
        CamelJmsTemplate template = (CamelJmsTemplate) getInOnlyTemplate();
        if (log.isDebugEnabled()) {
            log.debug("Testing JMS Connection on startup for destination: " + template.getDefaultDestinationName());
        }
        Connection conn = template.getConnectionFactory().createConnection();
        JmsUtils.closeConnection(conn);
        log.debug("Successfully tested JMS Connection on startup for destination: " + template.getDefaultDestinationName());
    } catch (Exception e) {
        throw new FailedToCreateProducerException(getEndpoint(), e);
    }
}

Example 2 with Connection

use of javax.jms.Connection in project camel by apache.

the class JmsConsumer method testConnectionOnStartup.

/**
     * Pre tests the connection before starting the listening.
     * <p/>
     * In case of connection failure the exception is thrown which prevents Camel from starting.
     *
     * @throws FailedToCreateConsumerException is thrown if testing the connection failed
     */
protected void testConnectionOnStartup() throws FailedToCreateConsumerException {
    try {
        log.debug("Testing JMS Connection on startup for destination: {}", getDestinationName());
        Connection con = listenerContainer.getConnectionFactory().createConnection();
        JmsUtils.closeConnection(con);
        log.debug("Successfully tested JMS Connection on startup for destination: {}", getDestinationName());
    } catch (Exception e) {
        String msg = "Cannot get JMS Connection on startup for destination " + getDestinationName();
        throw new FailedToCreateConsumerException(getEndpoint(), msg, e);
    }
}

Example 3 with Connection

use of javax.jms.Connection in project hive by apache.

the class TestMsgBusConnection method connectClient.

private void connectClient() throws JMSException {
    ConnectionFactory connFac = new ActiveMQConnectionFactory("tcp://localhost:61616");
    Connection conn = connFac.createConnection();
    conn.start();
    Session session = conn.createSession(true, Session.SESSION_TRANSACTED);
    Destination hcatTopic = session.createTopic("planetlab.hcat");
    consumer = session.createConsumer(hcatTopic);
}

Example 4 with Connection

use of javax.jms.Connection in project javaee7-samples by javaee-samples.

the class ClassicMessageReceiver method receiveMessage.

public String receiveMessage() {
    String response = null;
    Connection connection = null;
    try {
        connection = connectionFactory.createConnection();
        connection.start();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageConsumer messageConsumer = session.createConsumer(demoQueue);
        Message message = messageConsumer.receive(5000);
        response = message.getBody(String.class);
    } catch (JMSException ex) {
        ex.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException ex) {
                ex.printStackTrace();
            }
        }
    }
    return response;
}

Example 5 with Connection

use of javax.jms.Connection in project quickstarts by jboss-switchyard.

the class CamelJMSBindingTest method sendTextToQueue.

private void sendTextToQueue(final String text, final String queueName) throws Exception {
    InitialContext initialContext = null;
    Connection connection = null;
    Session session = null;
    MessageProducer producer = null;
    try {
        initialContext = new InitialContext();
        final Queue testQueue = (Queue) initialContext.lookup(queueName);
        final ConnectionFactory connectionFactory = (ConnectionFactory) initialContext.lookup("ConnectionFactory");
        connection = connectionFactory.createConnection();
        connection.start();
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        producer = session.createProducer(testQueue);
        producer.send(session.createTextMessage(text));
    } finally {
        if (producer != null) {
            producer.close();
        }
        if (session != null) {
            session.close();
        }
        if (connection != null) {
            connection.close();
        }
        if (initialContext != null) {
            initialContext.close();
        }
    }
}