JPA - EntityManager.setFlushMode Examples

    private static void persistEntity(EntityManagerFactory emf) {
        EntityManager em = emf.createEntityManager();
        em.setFlushMode(FlushModeType.COMMIT);
        List<Employee> employeeList = getNewEmployees();

        em.getTransaction().begin();
        for (Employee employee : employeeList) {
            em.persist(employee);
        }
        em.flush();
        showPersistedITEmployees(em);
        em.getTransaction().commit();
        em.close();
    }

    private static void persistEntity(EntityManagerFactory emf) {
        EntityManager em = emf.createEntityManager();
        em.setFlushMode(FlushModeType.COMMIT);
        List<Employee> employeeList = getNewEmployees();

        em.getTransaction().begin();
        for (Employee employee : employeeList) {
            em.persist(employee);
        }
        // em.flush();
        showPersistedITEmployees(em);
        em.getTransaction().commit();
        em.close();
    }