@Override
 public void update(Object obj) {
   // TODO Auto-generated method stub
   tbClasiActDao.update(obj);
 }
 @Override
 public void delete(Serializable id) {
   // TODO Auto-generated method stub
   tbClasiActDao.delete(id);
 }
 @Override
 public List getAllidClasi(Serializable id) {
   return tbClasiActDao.getAllidClasi(id);
 }
 @Override
 public List getTop() {
   return tbClasiActDao.getTop();
 }
 @Override
 public Object findByKey(Serializable id) {
   // TODO Auto-generated method stub
   return tbClasiActDao.findByKey(id);
 }
 @Override
 public List getAll() {
   System.out.println("service impl");
   // TODO Auto-generated method stub
   return tbClasiActDao.getAll();
 }