public function evalutateSetOperation( core_kernel_classes_Resource $setOperator,  common_Collection $actualSet,  core_kernel_classes_ContainerCollection $newSet)
    {
        $returnValue = null;

        
    	if($setOperator->getUri() == RulesRdf::INSTANCE_OPERATOR_UNION) {
			$returnValue = $actualSet->union($newSet);
    	}
    	else if($setOperator->getUri() == RulesRdf::INSTANCE_OPERATOR_INTERSECT) {
    		$returnValue =  $actualSet->intersect($newSet);
    	}
    	else {
    		throw new common_Exception('unknow set operator');
		}
        

        return $returnValue;
    }
public function evalutateSetOperation( core_kernel_classes_Resource $setOperator,  common_Collection $actualSet,  core_kernel_classes_ContainerCollection $newSet)
    {
        $returnValue = null;

        
    	if($setOperator->getUri() == RulesRdf::INSTANCE_OPERATOR_UNION) {
			$returnValue = $actualSet->union($newSet);
    	}
    	else if($setOperator->getUri() == RulesRdf::INSTANCE_OPERATOR_INTERSECT) {
    		$returnValue =  $actualSet->intersect($newSet);
    	}
    	else {
    		throw new common_Exception('unknow set operator');
		}
        

        return $returnValue;
    }
public function evalutateSetOperation ( core_kernel_classes_Resource $ setOperator , common_Collection $ actualSet , core_kernel_classes_ContainerCollection $ newSet ) { $ returnValue = null ; if ( $ setOperator -> getUri ( ) == RulesRdf :: INSTANCE_OPERATOR_UNION ) { $ returnValue = $ actualSet -> union ( $ newSet ) ; } else if ( $ setOperator -> getUri ( ) == RulesRdf :: INSTANCE_OPERATOR_INTERSECT ) { $ returnValue = $ actualSet -> intersect ( $ newSet ) ; } else { throw new common_Exception ( 'unknow set operator' ) ; } return $ returnValue ; }
Short description of method evalutateSetOperation

@access public
@author firstname and lastname of author, <author@example.org>
@param  Resource $setOperator
@param  Collection $actualSet
@param  ContainerCollection $newSet
@return core_kernel_classes_ContainerCollection
Short description of method evalutateSetOperation