/**
  * Get DB configs from DB and parse to Config objects
  * @param ConfigDBFilter $filter
  * @param unknown_type $cacheMinutes
  */
 public static function getAndParseDBConfigs(ConfigDBFilter $filter = null, $cacheMinutes = 0)
 {
     if ($filter == null) {
         $filter = new ConfigDBFilter();
     }
     $sql = MySqlDbManager::getQueryObject();
     $sql->exec($filter->getSQL(), $cacheMinutes);
     return static::parseDBRowsToConfig($sql->fetchRecords());
 }