private MessageProducer getProducer(final String destinationName) {


        if (!producers.containsKey(destinationName)) {

            Session session = getSession();
            Destination destination = getDestination(destinationName);
            MessageProducer producer;
            try {
                producer = session.createProducer(destination);
            } catch (JMSException e) {
                throw new JmsException("Unable to create producer for destination "
                        + destinationName, e);
            }
            producers.put(destinationName, producer);

        }
        return producers.get(destinationName);
    }
private MessageProducer getProducer(final String destinationName) {


        if (!producers.containsKey(destinationName)) {

            Session session = getSession();
            Destination destination = getDestination(destinationName);
            MessageProducer producer;
            try {
                producer = session.createProducer(destination);
            } catch (JMSException e) {
                throw new JmsException("Unable to create producer for destination "
                        + destinationName, e);
            }
            producers.put(destinationName, producer);

        }
        return producers.get(destinationName);
    }
private MessageProducer getProducer ( final String destinationName ) { if ( ! producers . containsKey ( destinationName ) ) { Session session = getSession ( ) ; Destination destination = getDestination ( destinationName ) ; MessageProducer producer ; try { producer = session . createProducer ( destination ) ; } catch ( JMSException e ) { throw new JmsException ( "Unable to create producer for destination " + destinationName , e ) ; } producers . put ( destinationName , producer ) ; } return producers . get ( destinationName ) ; }
Get the `MessageProducer` or create one from the JMS session.

@param destinationName destinationName
@return JMS `MessageProducer`.
Get the MessageProducer or create one from the JMS session .