How to use

createEntityManagerFactory

method

in

org.hibernate.ejb.HibernatePersistence

public EntityManagerFactory createEntityManagerFactory(String emName, Map map) {
  if (log.isInfoEnabled()) log.info("Creating EntityManagerFactory: "+emName+" ("+map+")");
  HibernatePersistence hibernatePersistence = new HibernatePersistence();
  EntityManagerFactory emf = hibernatePersistence.createEntityManagerFactory(emName, map);
  return emf;
}

public EntityManagerFactory createEntityManagerFactory(String emName, Map map) {
  if (log.isInfoEnabled()) log.info("Creating EntityManagerFactory: "+emName+" ("+map+")");
  HibernatePersistence hibernatePersistence = new HibernatePersistence();
  EntityManagerFactory emf = hibernatePersistence.createEntityManagerFactory(emName, map);
  return emf;
}

private synchronized static EntityManager entityManager() throws Exception {
  if (entityManagerFactory == null) {
    // Pass in all hibernate.* settings from artificer.properties
    Map<String, Object> properties = ArtificerConfig.getConfigProperties("hibernate");
    if (properties.containsKey("hibernate.connection.url")) {
      // If a connection is used, we *cannot* rely on Hibernate's built-in connection pool.  Instead,
      // automatically set up HikariCP.
      initHikariCP(properties);
    }
    entityManagerFactory = new HibernatePersistence().createEntityManagerFactory(persistenceUnit, properties);
    EntityManager entityManager = entityManagerFactory.createEntityManager();
    initDDL(entityManager, properties);
    return entityManager;
  } else {
    return entityManagerFactory.createEntityManager();
  }
}