public ConcreteFlyweight factory(string name)
{
ConcreteFlyweight fly = null;
_dict.TryGetValue(name, out fly);
if (fly == null)
{
fly = new ConcreteFlyweight(name);
_dict.Add(name, fly);
}
return(fly);
}
public static void invoke()
{
FlyweightFactory factory = new FlyweightFactory();
ConcreteFlyweight fly = factory.factory("vv");
fly.Index = 1;
fly.operation();
ConcreteFlyweight fly2 = factory.factory("xx");
fly2.Index = 2;
fly2.operation();
ConcreteFlyweight fly3 = factory.factory("vv");
fly3.Index = 3;
fly3.operation();
fly.operation();
Console.WriteLine(object.ReferenceEquals(fly, fly3));
}