public IFlyweight this[string index] { get { if (!flyweights.ContainsKey(index)) flyweights[index] = new Flyweight(); return flyweights[index]; } }
static void Main(string[] args) { int extrinsicstate = 12; FlyweightFactory factory = new FlyweightFactory(); Flyweight fx = factory.GetFlyweight("X"); fx.Operation(--extrinsicstate); Flyweight fy = factory.GetFlyweight("Y"); fy.Operation(--extrinsicstate); Flyweight fz = factory.GetFlyweight("Z"); fz.Operation(--extrinsicstate); UnshardConcreteFlyweight uf = new UnshardConcreteFlyweight(); uf.Operation(--extrinsicstate); Console.Read(); }
static void Main(string[] args) { int i = 100; FlyweightFactory factory = new FlyweightFactory(); Flyweight flyA = factory.GetFlyweight("A"); flyA.Operation(i); Flyweight flyB = factory.GetFlyweight("B"); flyB.Operation(i * 2); Flyweight flyC = factory.GetFlyweight("C"); flyC.Operation(i * 3); Flyweight flyD = factory.GetFlyweight("D"); flyD.Operation(i * 4); Flyweight flyE = new UnsharedFlyweight(); flyE.Operation(i / 2); Flyweight flyF = factory.GetFlyweight("A"); flyF.Operation(i / 2); Console.WriteLine("================================"); //共享图片工厂 ImageNodeFactory imageNodeFactory = new ImageNodeFactory(); Dictionary <int, ImageNode> imageList = new Dictionary <int, ImageNode>(); int randomNum = 0; Random random = new Random(); for (int j = 0; j < 10; j++) { randomNum = random.Next(0, 10); switch (randomNum / 2) { case 0: imageList.Add(j, imageNodeFactory.GetImage("Lion")); break; case 1: imageList.Add(j, imageNodeFactory.GetImage("Tiger")); break; case 2: imageList.Add(j, imageNodeFactory.GetImage("Cat")); break; default: imageList.Add(j, imageNodeFactory.GetImage("Dog")); break; } } //展示所生成的图像 for (int j = 0; j < 10; j++) { Console.WriteLine(j + "号坐标的"); imageList[i].Show(); } //随机选取两个坐标的图像进行比较 int a = 0; int b = 0; while (a == b) { a = random.Next(0, 10); b = random.Next(0, 10); } //由于使用了共享,所以直接判断对象是否相等即可 if (imageList[a] == imageList[b]) { Console.WriteLine("可以消除"); } else { Console.WriteLine("不可以消除"); } }