@Override
 public List<Account> getAll() {
   return dao.readAll();
 }
 @Override
 public Account find(Long id) {
   return dao.find(id);
 }
 @Override
 public void update(Account user) {
   dao.update(user);
 }
 @Override
 public void delete(Account user) {
   dao.delete(user);
 }
 @Override
 public void add(Account user) {
   dao.create(user);
 }