public static VehicleDAO getInstance()
{
if (dbInstance == null)
{
dbInstance = new VehicleDAO();
}
return(dbInstance);
}
public Vehicle RetrieveVehicle(string carPlateNumber)
{
VehicleDAO vehicleDAO = VehicleDAO.getInstance();
try
{
vehicleDAO.openConnection();
Vehicle v = vehicleDAO.RetrieveVehicleDetails(carPlateNumber);
return(v);
}
catch (Exception)
{
throw; // preserve stack trace
}
finally
{
vehicleDAO.CloseConnection();
}
}
public void ReturnTransaction(string carPlateNumber)
{
VehicleDAO dao = VehicleDAO.getInstance();
try
{
int rentalRate;
dao.openConnection();
RentalTransactions t = dao.retrieveTransactionRecord(carPlateNumber, out rentalRate);
CreateTransactionDetailsUI(t, rentalRate);
}
catch (Exception)
{
throw;
}
finally
{
dao.CloseConnection();
}
}