private function checkForRoot($containedModel, $action)
    {
        if ($this->hasVariants() && $action == 'cut' && $containedModel->getProperty('varbase') == 0) {
            $this->disablePI = true;
        }
    }
private function checkForRoot($containedModel, $action)
    {
        if ($this->hasVariants() && $action == 'cut' && $containedModel->getProperty('varbase') == 0) {
            $this->disablePI = true;
        }
    }
private function checkForRoot ( $ containedModel , $ action ) { if ( $ this -> hasVariants ( ) && $ action == 'cut' && $ containedModel -> getProperty ( 'varbase' ) == 0 ) { $ this -> disablePI = true ; } }
Check the PI for the root element.

@param ModelInterface $containedModel The model with all data.

@param string         $action         The action to be checked.

@return void
Check the PI for the root element .