public boolean isSucceed() {
   return res.isSucceed();
 }
 public Exception getException() {
   return res.getException();
 }
  @SuppressWarnings("unchecked")
  @Override
  public void execute() {

    if (!Guard.notNull(req.getMobileDeviceMAC(), req.getVersion(), req.getDate())) {
      throw new CommandParameterNotSetException();
    }

    ContractInputMapper cim = new ContractInputMapper();
    Contract contract;
    try {
      contract = cim.findByMobileDevice(req.getMobileDeviceMAC());
    } catch (SQLException e1) {
      res.setException(e1);
      res.setSucceed(false);
      return;
    }

    IYearlyPass pass = contract.getCard().getYearlyPass();
    pass.setDate(req.getDate());
    pass.setVersion(req.getVersion());
    UnitOfWork.getInstance().RegisterDirty(pass);
    try {
      try {
        UnitOfWork.getInstance().commit();
      } catch (CommitUnitOfWorkException e) {
        res.setException(e);
        res.setSucceed(false);
        return;
      } catch (SQLException e) {
        res.setException(e);
        res.setSucceed(false);
        return;
      }
    } catch (LostUpdateException e) {
      res.setException(e);
      res.setSucceed(false);
      return;

    } catch (MapperException e) {
      res.setException(e);
      res.setSucceed(false);
      return;
    }
    res.setSucceed(true);
  }