强制代理

package Proxy;

public abstract class Star
{
 protected abstract int Appear();
}

 

package Proxy;

public interface ITax
{
 double Tax(double dVal);
}

 

package Proxy;
import java.util.Random;
import Proxy.Star;
import Proxy.ITax;

 

public class Company
{//多继承代理 + 没有成功实现的强制代理
 private Company()
 {
  
 }
 static public class FilmStar extends Star
 {
  @Override
  protected int Appear()
  {
   // TODO Auto-generated method stub
   Random pRandom = new Random();
   int iVal = pRandom.nextInt(100);
   System.out.print("the star gains "+iVal+" $ " );
   pRandom = null;
   return iVal;
  }
 } 
 static public class ProxyStarTax extends Star implements ITax
 {
  public void Init(FilmStar pIStar)
  {
   if( null == m_pIStar)
    m_pIStar = null;
   m_pIStar = pIStar;
  }
  public void UnInit()
  {
   if( null == m_pIStar)
    m_pIStar = null;
  }
  @Override
  public double Tax(double dVal)
  {
   // TODO Auto-generated method stub
   double dTax = (dVal*0.2);
   System.out.print("the star tax: "+dTax+" $ " );
   return dTax;
  }
  @Override
  public int Appear()
  {
   // TODO Auto-generated method stub
   int iVal = 45;//m_pIStar.Appear();
   iVal = iVal - (int) Tax(iVal);
   return iVal;
  }
  private FilmStar m_pIStar = null;
 }
}