public string GetKey(CarFlyweight flyweight)
{
var elements = new List <string>
{
flyweight.Manufacturer,
flyweight.Model,
flyweight.Color
};
return(string.Join("_", elements));
}
public CarFlyweight GetFlyweight(CarFlyweight flyweight)
{
var key = GetKey(flyweight);
if (_flyweights.ContainsKey(key))
{
Console.WriteLine($"{GetType().Name}: Używamy istniejącego elementu");
return(_flyweights[key]);
}
Console.WriteLine($"{GetType().Name}: Tworzymy nowy element");
_flyweights.Add(key, flyweight);
return(flyweight);
}
