public void Update(Veggies veggie)
{
Console.WriteLine("Notified {0} of {1}'s " + " price change to {2:C} per pound.", _name, veggie.GetType().Name, veggie.PricePerPound);
if (veggie.PricePerPound < _purchaseThreshold)
{
Console.WriteLine(_name + " wants to buy some " + veggie.GetType().Name + "!");
}
}
/// <summary>
/// Implement feom IObserver.
/// </summary>
/// <param name="veggies"> Concrete subject. </param>
public void Update(Veggies veggies)
{
Console.WriteLine($"Notified {_name} of {veggies.GetType().Name}'s price change to {veggies.GetPricePerPound()} per pound.");
if (veggies.GetPricePerPound() < _purchaseThreshold)
{
Console.WriteLine($"{_name} wants to buy some {veggies.GetType().Name}!");
}
}
public Restaurant(string name, double purchaseThreshold, Veggies veggie)
{
this.name = name;
this.purchaseThreshold = purchaseThreshold;
this.veggie = veggie;
}