public static VehicleDAO getInstance()
{
if (dbInstance == null)
{
dbInstance = new VehicleDAO();
}
return(dbInstance);
}
public DataTable retrieveVehicleInfo(string id)
{
VehicleDAO vehicleDAO = VehicleDAO.getInstance();
try
{
vehicleDAO.openConnection();
DataTable AVList = vehicleDAO.retrieveVehicleInfo(id);
return(AVList);
}
catch (Exception)
{
throw; // preserve stack trace
}
finally
{
vehicleDAO.CloseConnection();
}
}
public Vehicle RetrievePlateNo(string plate)
{
VehicleDAO rentalDAO = VehicleDAO.getInstance();
try
{
rentalDAO.openConnection();
Vehicle c = rentalDAO.RetrieveVehicle(plate);
return(c);
}
catch (Exception)
{
throw; // preserve stack trace
}
finally
{
rentalDAO.CloseConnection();
}
}
public void updateVehicleInfo(Vehicle v)
{
VehicleDAO vehicleDAO = VehicleDAO.getInstance();
try
{
vehicleDAO.openConnection();
vehicleDAO.updateVehicleInfo(v);
return;
}
catch (Exception)
{
throw;
}
finally
{
vehicleDAO.CloseConnection();
}
}