public static VehicleDAO getInstance()
{
if (dbInstance == null)
{
dbInstance = new VehicleDAO();
}
return(dbInstance);
}
public DataTable RetrieveVehicleList(string type)
{
VehicleDAO vehicleDAO = VehicleDAO.getInstance();
try
{
vehicleDAO.openConnection();
DataTable vehicleList = vehicleDAO.RetrieveCustomerList(type);
return(vehicleList);
}
catch (Exception)
{
throw; // preserve stack trace
}
finally
{
vehicleDAO.CloseConnection();
}
}
public Vehicle RetrieveVehicle(String id)
{
VehicleDAO vehicleDAO = VehicleDAO.getInstance();
try
{
vehicleDAO.openConnection();
Vehicle v = vehicleDAO.RetrieveVehicle(id);
return(v);
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
throw; // preserve stack trace
}
finally
{
vehicleDAO.CloseConnection();
}
}
public void ReturnCar(Vehicle v)
{
RentRecordsDAO rentRecordsDAO = RentRecordsDAO.getInstance();
VehicleDAO vehicleDAO = VehicleDAO.getInstance();
try
{
rentRecordsDAO.ReturnCar(v);
vehicleDAO.ReturnCar(v);
return;
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
throw;
}
finally
{
rentRecordsDAO.CloseConnection();
}
}
public void CreateRentRecords(RentRecords r)
{
RentRecordsDAO rentRecordsDAO = RentRecordsDAO.getInstance();
VehicleDAO vehicleDAO = VehicleDAO.getInstance();
try
{
rentRecordsDAO.openConnection();
rentRecordsDAO.InsertRentRecord(r);
//vehicleDAO.RentOut(r.VehiclePlateNumber);
return;
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
throw;
}
finally
{
rentRecordsDAO.CloseConnection();
}
}