/**
  * Returns an instance of class (singleton pattern implementation).
  *
  * @return PRIVACY_BOL_ActionDataDao
  */
 public static function getInstance()
 {
     if (self::$classInstance === null) {
         self::$classInstance = new self();
     }
     return self::$classInstance;
 }
 public function deleteActionDataByPluginKey($pluginKey)
 {
     return $this->actionDataDao->deleteByPluginKey($pluginKey);
 }