public function setLgDependent( core_kernel_classes_Resource $resource, $isLgDependent)
    {
        
    	$lgDependentProperty = new core_kernel_classes_Property(GenerisRdf::PROPERTY_IS_LG_DEPENDENT,__METHOD__);
        $value = ((bool)$isLgDependent) ?  GenerisRdf::GENERIS_TRUE : GenerisRdf::GENERIS_FALSE ;
        $this->removePropertyValues($resource, $lgDependentProperty);
        $this->setPropertyValue($resource, $lgDependentProperty, $value);
        
    }