private void confirmButton_Click(object sender, System.EventArgs e)
{
// Load engines from the database
using (AppDatabase db = new AppDatabase())
using (SQLiteTransaction trans = db.BeginTransaction())
{
try
{
// Remove all truck engines in the database
foreach (TruckEngine eng in Truck.TruckEngines)
{
db.TruckEngines.Remove(eng);
}
// Add all engines in the list
foreach (ListViewItem item in engineListView2.Items)
{
Engine engine = item.Tag as Engine;
TruckEngine truckEng = new TruckEngine()
{
Engine = engine,
Truck = Truck
};
db.TruckEngines.Add(truckEng);
}
trans.Commit();
}
catch (Exception ex)
{
trans.Rollback();
// Tell the user about the failed validation error
MessageBox.Show(ex.Message, "Database Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
this.DialogResult = DialogResult.OK;
}
static void Main(string[] args)
{
//Herencia
Engine truckEngine = new TruckEngine(6);
Utilities.WriteSpeed(truckEngine);
Engine carEngine = CarEngineBuilder.WithCylinders(2).Build();
Utilities.WriteSpeed(carEngine);
//Composicion
ProtoEngine motorbikeEngine = new MotorbikeEngine(new HyperSpeedBehavior());
Utilities.WriteSpeed(motorbikeEngine);
ProtoEngine busEngine = BusEngineBuilder.WithCylinders(4).WithSpeedUpBehavior(new PublicTransportSpeedBehavior()).Build();
Utilities.WriteSpeed(busEngine);
busEngine.ChangeSpeedUpBehavior(new HyperSpeedBehavior());
Utilities.WriteSpeed(busEngine);
Console.ReadKey();
}
