IDC资讯中心
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 ();
}
}
}
