dbcacheupdatecomputing.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/DBCacheUpdateComputing.java
package DBCachePak;
/* tangtang */


/**
 * @author
 * @version
 */
public class DBCacheUpdateComputing
{

   /**
    * @return
    * @exception
    * @author
    * @version
    * @roseuid 4075573D038A
    */
   public DBCacheUpdateComputing()
   {
   }

   /**
    * @param TableName
    * @return boolean
    * @exception
    * @author
    * @version
    * @roseuid 407D13BB035B
    */
   public boolean ReplaceComputing(String TableName)
   {
     try
     {
       CacheOperationInterface cacheoperInter=new CacheOperationInterface();
       CDBCache thecach=cacheoperInter.CacheInitial("DBCache");
       cacheoperInter.CacheOpen(thecach);
       thecach.DBUpdateP(TableName);
       thecach.DBReplace(TableName);
       cacheoperInter.CacheClose(thecach);
       return true;
     }
     catch(Exception e )
     {
       return false;
     }
   }

   /**
    * @param CacheFileName
    * @param TableName
    * @return boolean
    * @exception
    * @author
    * @version
    * @roseuid 4083CF61032D
    */
   public boolean UpdateComputing(String CacheFileName, String TableName)
   {
     try
     {
       CacheOperationInterface cacheoperInter=new CacheOperationInterface();
       CDBCache thecach=cacheoperInter.CacheInitial("DBCache");
       cacheoperInter.CacheOpen(thecach);
       thecach.DBUpdateTimestamp(CacheFileName,TableName);
       cacheoperInter.CacheClose(thecach);
       return true;
     }
     catch(Exception e )
     {
       return false;
     }
   }
}