设计模式-原型模式

/*
 * Created by SharpDevelop.
 * User: anson.wu
 * Date: 2007-4-5
 * Time: 14:47
 * 
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
  */
using  System;

namespace  ClonePattern
{
    class  MainClass
    {
        public static void Main(string [] args)
        {
            ConscretePrototype1 p1=new ConscretePrototype1("I" );
            ConscretePrototype1 c1= (ConscretePrototype1)p1.Clone();
            Console.WriteLine(c1.id);
            
            ConscretePrototype2 p2=new ConscretePrototype2("II" );
            ConscretePrototype2 c2= (ConscretePrototype2)p2.Clone();
            Console.WriteLine(c2.id);
            
            Console.Read();
        }        
    }
    public abstract class  ProtoType
    {
        private string  _id;
        public string  id
        {
            get{return  _id;}
            set{_id= value;}
        }
        public ProtoType(string  id)
        {
            _id= id;
        }
        public abstract  ProtoType Clone();    
    }    
    public class  ConscretePrototype1:ProtoType
    {
        public ConscretePrototype1(string id):base (id)
        {
            
        }
        public override  ProtoType Clone()
        {
            return (ProtoType)this .MemberwiseClone();
            
        }        
    }
    public class  ConscretePrototype2:ProtoType
    {
        public ConscretePrototype2(string id):base (id)
        {
            
        }
        public override  ProtoType Clone()
        {
            return (ProtoType)this .MemberwiseClone();
            
        }        
    }
}