Example usage for javax.jms TopicSession createProducer

Introduction

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

Prototype

MessageProducer createProducer(Destination destination) throws JMSException;

Source Link

Document

Creates a MessageProducer to send messages to the specified destination.

Usage

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

public void sendMessage(final String topicName, final String message) {
    checkArgument(isNotBlank(topicName), "Uninitialized or invalid topic");
    checkArgument(isNotBlank(message), "Uninitialized or invalid message");
    TopicConnection conn = null;/*  w w w  . j  av  a2 s.  com*/
    TopicSession session = null;
    MessageProducer producer = null;
    try {
        conn = (TopicConnection) broker().getProducersConnFactory().createConnection();
        /* conn = broker().getConnFactory().createTopicConnection();
        conn.start(); */
        session = conn.createTopicSession(false, AUTO_ACKNOWLEDGE);
        final Topic topic = session.createTopic(topicName);
        producer = session.createProducer(topic);
        producer.setDeliveryMode(NON_PERSISTENT);
        final TextMessage textMessage = session.createTextMessage(message);
        producer.send(textMessage);
    } catch (JMSException e) {
        LOGGER.error("Failed to send message to topic: " + topicName, e);
    } finally {
        if (producer != null) {
            try {
                producer.close();
            } catch (JMSException ignore) {
            }
        }
        if (session != null) {
            try {
                session.close();
            } catch (JMSException ignore) {
            }
        }
        /* if (conn != null) {
           try {
              conn.close();
           } catch (JMSException ignore) { }
        } */
    }
}

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

private void produceExpiredAndOneNonExpiredMessages() throws JMSException {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://" + brokerName);
    TopicConnection connection = connectionFactory.createTopicConnection();
    TopicSession session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
    Topic topic = session.createTopic(topicName);
    MessageProducer producer = session.createProducer(topic);
    producer.setTimeToLive(TimeUnit.SECONDS.toMillis(1));
    for (int i = 0; i < 40000; i++) {
        sendRandomMessage(session, producer);
    }//from  w  w  w.ja  v  a2s  .c  om
    producer.setTimeToLive(TimeUnit.DAYS.toMillis(1));
    sendRandomMessage(session, producer);
    connection.close();
    LOG.info("produceExpiredAndOneNonExpiredMessages done");
}

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