C#设计模式之抽象工厂(abstract factory)模式示例源代码

　　 

using System;

namespace Design_Pattern

{ public class  Computer

{ private RAM Ram;

private CPU Cpu;

public Computer(RAM ram,CPU cpu)

{ this.Ram =ram;

this.Cpu =cpu;

Console .WriteLine("A Computer is Composed! "+this.Ram +" "+this.Cpu );

} }

public abstract class RAM

{  public abstract  Computer ComposeAComputer(CPU cpu);

}

public abstract class CPU

{ public abstract  Computer ComposeAComputer(RAM ram);

}  public class pcRAM:RAM

{

public override Computer ComposeAComputer(CPU cpu)

{

Console .WriteLine ("pcComputer...");

return new Computer(this,cpu);

}  }

public class pcCPU:CPU

{

public override Computer ComposeAComputer(RAM ram)

{

Console .WriteLine ("pcComputer...");

return new Computer(ram,this);

} }

public class macRAM:RAM

{  public override Computer ComposeAComputer(CPU cpu)

{   Console .WriteLine ("MacComputer...");

return new Computer(this,cpu);

} }

public class macCPU:CPU

{  public override Computer ComposeAComputer(RAM ram)

{   Console .WriteLine ("MacComputer...");

return new Computer(ram,this);

} }



public abstract class abstractFactory

{ public abstract  RAM CreateRam();

public abstract CPU CreateCpu() ;

}

public class PcFactory:abstractFactory

{  public override RAM CreateRam()

{ return new pcRAM();

}

public override CPU CreateCpu()

{   return new pcCPU();

} }

public class MacFactory:abstractFactory

{

public override RAM CreateRam()

{

return new macRAM();  }

public override CPU CreateCpu()

{   return new macCPU();

} }

class ITMarket

{

private RAM ram;

private CPU cpu;

public ITMarket(abstractFactory factory)

{this.ram =factory.CreateRam();

this.cpu =factory.CreateCpu();

}

public void Run()

{ ram.ComposeAComputer(cpu);

cpu.ComposeAComputer(ram);

} }

class ClientApp

{  public static void Main(string[] args)

{

Console .WriteLine("PC Factory.....\n");

abstractFactory pcfactory=new PcFactory ();

ITMarket itMarket=new ITMarket (pcfactory);

itMarket .Run ();

Console .WriteLine("MAC Factory.....\n");

abstractFactory macfactory=new MacFactory();

itMarket =new ITMarket (macfactory);

itMarket .Run ();

}

}  }

原文转自：http://www.ltesting.net