Hibernate EntityManagerFactory EntityManager?

Then you typically use: EntityManagerFactory emf = Persistence. CreateEntityManagerFactory("MyPu"); EntityManager em = emf. CreateEntityManager(); em.getTransaction().begin() ... em.getTransaction().commit(); emf.close(); Check the other factory method allowing to pass properties as parameter (they will override any values that may have been configured elsewhere): Persistence.

CreateEntityManagerFactory(String, Map). See also Using the Java Persistence API in Desktop Applications An Introduction to Java Persistence for Client-Side Developers.

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