@Transactional
  public List<User_currenciesEntity> getAllUser_currencies(Integer id_user) {

    return user_currenciesDAO.getAllUser_currencies(id_user);
  }
  @Transactional
  public void deleteUser_currencies(Integer user_currencyId) {

    user_currenciesDAO.deleteUser_currencies(user_currencyId);
  }
 @Transactional
 public void addUser_currencies(User_currenciesEntity user_currencies) {
   user_currenciesDAO.addUser_currencies(user_currencies);
 }