emf.close();
OpenJPAEntityManagerFactory emf = createEMF(
getManagedType(), getSecondaryType(),
"openjpa.EntityManagerFactoryPool", "true",
"openjpa.SavepointManager", "in-mem");
OpenJPAEntityManager em = emf.createEntityManager();
OpenJPAEntityManager em2 = null;
try {
em.getTransaction().begin();
T t = em.find(getManagedType(), id);
Object orig = getModifiedValue(t);