/// <summary>
/// Notify an event to registered observers
/// </summary>
/// <param name="vehicle"></param>
/// <param name="garageEvent"></param>
public void Notify(Vehicle vehicle, GarageEnums.Events garageEvent)
{
foreach (var observer in Observers)
{
if (observer.Value == garageEvent)
{
observer.Key.Notify(vehicle, garageEvent);
}
}
}
public void Notify(Vehicle vehicle, GarageEnums.Events garageEvent)
{
switch (garageEvent)
{
case GarageEnums.Events.AddVehicle:
Console.WriteLine($"A new {vehicle.GetType().Name.ToLower()} has been added to the parc.");
break;
case GarageEnums.Events.RemoveVehicle:
Console.WriteLine($"A {vehicle.GetType().Name.ToLower()} has been removed from the parc.");
break;
case GarageEnums.Events.Nothing:
break;
default:
throw new ArgumentOutOfRangeException(nameof(garageEvent), garageEvent, null);
}
}
/// <summary>
/// Detach an observer
/// </summary>
/// <param name="observer"></param>
/// <param name="garageEvent"></param>
public void Detach(IObserver observer, GarageEnums.Events garageEvent)
{
Observers.Remove(new KeyValuePair <IObserver, GarageEnums.Events>(observer, garageEvent));
}
/// <summary>
/// Attach an observer
/// </summary>
/// <param name="observer"></param>
/// <param name="garageEvent"></param>
public void Attach(IObserver observer, GarageEnums.Events garageEvent)
{
Observers.Add(new KeyValuePair <IObserver, GarageEnums.Events>(observer, garageEvent));
}