public function getMetaClasses()
    {
        $returnValue = null;

        
        $returnValue = new core_kernel_classes_ContainerCollection(new core_kernel_classes_Container(__METHOD__),__METHOD__);
        
        $classClass = new core_kernel_classes_Class(OntologyRdfs::RDFS_CLASS);
        foreach($classClass->getSubClasses(true) as $uri => $subClass){
        	$returnValue->add($subClass);
        }
		

        return $returnValue;
    }
public function getMetaClasses()
    {
        $returnValue = null;

        
        $returnValue = new core_kernel_classes_ContainerCollection(new core_kernel_classes_Container(__METHOD__),__METHOD__);
        
        $classClass = new core_kernel_classes_Class(OntologyRdfs::RDFS_CLASS);
        foreach($classClass->getSubClasses(true) as $uri => $subClass){
        	$returnValue->add($subClass);
        }
		

        return $returnValue;
    }
public function getMetaClasses ( ) { $ returnValue = null ; $ returnValue = new core_kernel_classes_ContainerCollection ( new core_kernel_classes_Container ( __METHOD__ ) , __METHOD__ ) ; $ classClass = new core_kernel_classes_Class ( OntologyRdfs :: RDFS_CLASS ) ; foreach ( $ classClass -> getSubClasses ( true ) as $ uri => $ subClass ) { $ returnValue -> add ( $ subClass ) ; } return $ returnValue ; }
returns metaclasses tat are not subclasses of other metaclasses

@access public
@author patrick.plichart@tudor.lu
@return core_kernel_classes_ContainerCollection
returns metaclasses tat are not subclasses of other metaclasses