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  • C#设计模式之享元模式(Flyweight)

    using System;
    using System.Collections;
    
    
      public class Client
       {
         public static void Main(string[] args)
          {
             /* 我的第一个 C# 程序*/
             int extrinsicstate=22;
             FlyweigrhFactory f=new FlyweigrhFactory();
             
             //work with different flyweight instance
             Flyweight fx=f.GetFlyweight("X");
             fx.Operation(--extrinsicstate);
             
             Flyweight fy=f.GetFlyweight("Y");
             fx.Operation(--extrinsicstate);
             
             Flyweight fz=f.GetFlyweight("Z");
             fx.Operation(--extrinsicstate);
             
             
          }
       }
        
     public    class FlyweigrhFactory
        {
            private Hashtable flyweights=new Hashtable();    
            
            public FlyweigrhFactory()
            {
                flyweights.Add("X",new ConcreteFlyweight());
                flyweights.Add("Y",new ConcreteFlyweight());
                flyweights.Add("Z",new ConcreteFlyweight());
            }
            
            public Flyweight GetFlyweight(string key)
            {
                return ((Flyweight)flyweights[key]);
            }
        }
        
        public abstract class Flyweight
        {
            abstract public void Operation(int extrinsicstate);
        }
        
      public  class ConcreteFlyweight:Flyweight
        {
            private string intrinsicstate="A";
            
            override public void Operation(int extrinsicstate)
            {
                Console.WriteLine("ConcreteFlyweight:intrinsicstate {0},extrinsicstate {1}",intrinsicstate,extrinsicstate);
            }
        }
                
        

    上述代码为示例,暂存

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  • 原文地址:https://www.cnblogs.com/KevinBran/p/10338381.html
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