public void destroy(Integer id)
throws NonexistentEntityException, RollbackFailureException, Exception {
EntityManager em = null;
try {
utx.begin();
em = getEntityManager();
Usuario usuario;
try {
usuario = em.getReference(Usuario.class, id);
usuario.getIdusuario();
} catch (EntityNotFoundException enfe) {
throw new NonexistentEntityException(
"The usuario with id " + id + " no longer exists.", enfe);
}
em.remove(usuario);
utx.commit();
} catch (Exception ex) {
try {
utx.rollback();
} catch (Exception re) {
throw new RollbackFailureException(
"An error occurred attempting to roll back the transaction.", re);
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}
public void edit(Usuario usuario)
throws NonexistentEntityException, RollbackFailureException, Exception {
EntityManager em = null;
try {
utx.begin();
em = getEntityManager();
usuario = em.merge(usuario);
utx.commit();
} catch (Exception ex) {
try {
utx.rollback();
} catch (Exception re) {
throw new RollbackFailureException(
"An error occurred attempting to roll back the transaction.", re);
}
String msg = ex.getLocalizedMessage();
if (msg == null || msg.length() == 0) {
Integer id = usuario.getIdusuario();
if (findUsuario(id) == null) {
throw new NonexistentEntityException("The usuario with id " + id + " no longer exists.");
}
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}