EntityManager createEntityManager(
  SynchronizationType synchronizationType
)
 Create a new JTA application-managed EntityManager with the specified synchronization type. This method returns a new 
EntityManager instance each time it is invoked. The isOpen() method will return true on the returned instance.
- Parameters:
 synchronizationType- how and when the entity manager should be synchronized with the current JTA transaction
- Return:
 - entity manager instance
 
- Throws:
 - IllegalStateException - if the entity manager factory has been configured for resource-local entity managers or is closed
 
- Since:
 - JPA 2.1