An XATopicSession provides a regular TopicSession.
which can be used to create TopicSubscriber and
TopicPublisher objects (optional).
The XATopicSession interface is optional. JMS providers
are not required to support this interface. This interface is for
use by JMS providers to support transactional environments.
Client programs are strongly encouraged to use the transactional support
available in their environment, rather than using these XA