AuditModel::model PHP Method

    public static function model($className = __CLASS__)
    {
        return parent::model($className);
    }

 /**
  * Returns the audit model for the record.
  * @return AuditModel the model.
  */
 protected function loadModel($action)
 {
     list($model, $modelId) = $this->getModel();
     $criteria = new CDbCriteria();
     $criteria->addCondition('model=:model');
     $criteria->addCondition('modelId=:modelId');
     $criteria->addCondition('action=:action');
     $criteria->params = array(':model' => $model, ':modelId' => $modelId, ':action' => $action);
     $criteria->order = 't.created DESC';
     return AuditModel::model()->find($criteria);
 }