@Override
public void updateMarriage(Marriage m) {
em.getTransaction().begin();
Marriage target = em.find(Marriage.class, m.getId());
target.setCountry(m.getCountry());
target.setEventDate(m.getEventDate());
target.setPerson(m.getPerson());
target.setState_province(m.getState_province());
target.setTown(m.getTown());
target.setSpouse(m.getSpouse());
em.merge(target);
em.getTransaction().commit();
}
