public function getUserModel() {
        if ($this->_userModel === null && Yii::app()->user->isGuest === false) {
            $this->_userModel = User::model()->findByPk(Yii::app()->user->id);
        }
        return $this->_userModel;
    }

    public function setUserModel($value) {
        $_userRecord = $value;
    }