public function getItemClasses()
    {
        $itemClass = $this->getClass(self::ITEM_ROOT_CLASS_URI);
        return $this->getResourceService()->getAllClasses($itemClass);
    }
public function getItemClasses()
    {
        $itemClass = $this->getClass(self::ITEM_ROOT_CLASS_URI);
        return $this->getResourceService()->getAllClasses($itemClass);
    }
public function getItemClasses ( ) { $ itemClass = $ this -> getClass ( self :: ITEM_ROOT_CLASS_URI ) ; return $ this -> getResourceService ( ) -> getAllClasses ( $ itemClass ) ; }
Get the list of items classes
@return array the classes hierarchy
Get the list of items classes