this.totalCacheNo++; this.currentCacheNo = this.totalCacheNo;
	private void saveToDisk( )	{		try		{			File cacheFile = getCacheFile( this.totalCacheNo );			fileList.add( cacheFile );			FileOutputStream fos = new FileOutputStream( cacheFile );			DataOutputStream oos = new DataOutputStream( new BufferedOutputStream( fos ) );			writeList( oos, currentCache );			oos.close( );			this.totalCacheNo++;			this.currentCacheNo = this.totalCacheNo;		}		catch ( FileNotFoundException e )		{			logger.severe( "Exception happened when save data to disk in CachedList. Exception message: "					+ e.toString( ) );			e.printStackTrace( );		}		catch ( IOException e )		{			logger.severe( "Exception happened when save data to disk in CachedList. Exception message: "					+ e.toString( ) );			e.printStackTrace( );		}	}