Example usage for javax.jms TopicSession createSubscriber

Introduction

In this page you can find the example usage for javax.jms TopicSession createSubscriber.

Prototype

TopicSubscriber createSubscriber(Topic topic, String messageSelector, boolean noLocal) throws JMSException;

Source Link

Document

Creates a nondurable subscriber to the specified topic, using a message selector or specifying whether messages published by its own connection should be delivered to it.

Usage

From source file:org.apache.flink.streaming.connectors.jms.JmsTopicSource.java

@Override
public void run(final SourceContext<T> context) throws Exception {
    TopicSession session = null;
    TopicSubscriber consumer = null;/* w  w w  .j a  va2 s.co  m*/

    try {
        session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
        consumer = session.createSubscriber(destination, messageSelector, false);

        connection.start();

        while (isRunning) {
            context.collect(convert(consumer.receive()));
        }
    } catch (JMSException e) {
        logger.error("Error receiving message from [{}]: {}", destination.getTopicName(),
                e.getLocalizedMessage());
        throw new UncategorizedJmsException(e);
    } finally {
        JmsUtils.closeMessageConsumer(consumer);
        JmsUtils.closeSession(session);
    }
}

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From source file:org.aludratest.service.jms.impl.JmsActionImpl.java

@Override
public void subscribeTopic(MessageListener listener, @TechnicalLocator String destinationName,
        @TechnicalArgument String messageSelector, @TechnicalArgument String subscriptionName,
        @TechnicalArgument boolean durable) throws JMSException {
    if (StringUtils.isEmpty(subscriptionName)) {
        throw new IllegalArgumentException("subscriptionName must be provided to subscribe!");
    }/*from   w  w w.  j  a  va2 s  .  co  m*/
    Topic topic;
    try {
        topic = (Topic) context.lookup(destinationName);
    } catch (NamingException e) {
        throw new AutomationException("Could not lookup destination " + destinationName, e);
    }

    LOGGER.debug("Creating topic-subscriber for topic " + destinationName + " and subscriptionname "
            + subscriptionName);
    Connection c = getDynamicConnection(subscriptionName);

    TopicSession ts = (TopicSession) c.createSession(false, Session.AUTO_ACKNOWLEDGE);
    if (durable) {
        TopicSubscriber subscriber = ts.createDurableSubscriber(topic, subscriptionName, messageSelector,
                false);
        subscriber.setMessageListener(listener);
        this.durableConsumers.put(subscriptionName, subscriber);
    } else {
        ts.createSubscriber(topic, messageSelector, true).setMessageListener(listener);
    }

}

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From source file:nl.nn.adapterframework.jms.JMSFacade.java

private TopicSubscriber getTopicSubscriber(TopicSession session, Topic topic, String selector)
        throws NamingException, JMSException {

    TopicSubscriber topicSubscriber;/*from ww w.  ja va2 s .c  om*/
    if (subscriberType.equalsIgnoreCase("DURABLE")) {
        topicSubscriber = session.createDurableSubscriber(topic, destinationName, selector, false);
        if (log.isDebugEnabled())
            log.debug("[" + name + "] got durable subscriber for topic [" + destinationName
                    + "] with selector [" + selector + "]");

    } else {
        topicSubscriber = session.createSubscriber(topic, selector, false);
        if (log.isDebugEnabled())
            log.debug("[" + name + "] got transient subscriber for topic [" + destinationName
                    + "] with selector [" + selector + "]");
    }

    return topicSubscriber;
}

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