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();
            
        }        
    }
}