public function getLoggingConfigManager($loggingConfigFilePath)
 {
     if (empty($this->loggingConfigManagers[$loggingConfigFilePath])) {
         $nLoggerAppsDao = \NLoggerAppsDAOFactory::getInstance()->createDAO('nLogger');
         $this->loggingConfigManagers[$loggingConfigFilePath] = new LoggingConfigManager($loggingConfigFilePath, $nLoggerAppsDao);
     }
     return $this->loggingConfigManagers[$loggingConfigFilePath];
 }
 public static function getInstance()
 {
     if (!isset(self::$instance)) {
         $class = __CLASS__;
         self::$instance = new $class();
     }
     return self::$instance;
 }