assertion.java

队列调度算法的一种

//Source file: E:/工作和学习/工作/硕士论文工作/程序/数据库缓存管理/20040304/src/Assertion.java

/* tangtang */
package DBCachePak;

/**
 * @author
 * @version
 */
public class Assertion
{
   private static boolean ndebug = false;

   public Assertion()
   {
   }

   /**
    * @param b
    * @param s
    * @return void
    * @exception
    * @author
    * @version
    * @roseuid 4071F7C60201
    */
   public static void check(boolean b, String s)
   {
     if(!ndebug&&!b)
     {
       System.err.print("Assertion failed");
       if(s!=null) System.out.print(s);
       System.err.println();
       Thread.dumpStack();
     }
   }

   /**
    * @param torf
    * @return void
    * @exception
    * @author
    * @version
    * @roseuid 4071F8C20184
    */
   public static void SetNdebug(boolean torf)
   {
     if(torf)
       ndebug=true;
     else
       ndebug=false;
   }
}