public CompanyPositionDTO update(AuthenticationDTO auth, CompanyPositionDTO dto)
     throws ApplicationException {
   authenticate(auth);
   CompanyPosition entity = session.get(dto.getId());
   if (entity == null) throwException(2);
   entity = session.add(CompanyPositionUtil.update(entity, dto));
   return CompanyPositionUtil.copy(entity);
 }
 public CompanyPositionDTO get(AuthenticationDTO auth, Integer id) throws ApplicationException {
   authenticate(auth);
   CompanyPosition entity = session.get(id);
   return CompanyPositionUtil.copy(entity);
 }