synchronized boolean doesSaveToCache( DataSourceAndDataSet dsAndDs )
boolean doesSaveToCache( DataSourceAndDataSet dsAndDs )
	synchronized boolean doesSaveToCache( DataSourceAndDataSet dsAndDs )	{		String cacheDirStr = (String) this.cacheMap.get( dsAndDs );		if ( cacheDirStr != null && new File( cacheDirStr ).exists( ) == true )		{			return false;		}		else		{			this.cacheMap.put( dsAndDs, folderUtil.createSessionTempDir( ) );			return true;		}	}