createEntityManager() - JPA EntityManagerFactory's method
Method
javax.persistence.EntityManagerFactory
EntityManager createEntityManager()
EntityManager
. This method returns a new
EntityManager
instance each time it is invoked. The
isOpen
method will return true on the returned instance.
- Returns:
- entity manager instance
- Throws:
-
IllegalStateException
- if the entity manager factory has been closed
- Since:
- JPA 1.0