src/ADT/Graph/Weighted.php
public function getEdge( $source, $target )
	{
		if( $source->getNodeName() < $target->getNodeName() )
			return $this->edgeSet->getEdge( $source, $target );
		else
			return $this->edgeSet->getEdge( $target, $source );
	}
public function getEdge( $source, $target )
	{
		if( $source->getNodeName() < $target->getNodeName() )
			return $this->edgeSet->getEdge( $source, $target );
		else
			return $this->edgeSet->getEdge( $target, $source );
	}
public function getEdge ( $ source , $ target ) { if ( $ source -> getNodeName ( ) < $ target -> getNodeName ( ) ) return $ this -> edgeSet -> getEdge ( $ source , $ target ) ; else return $ this -> edgeSet -> getEdge ( $ target , $ source ) ; }
Returns an Edge by its source and target Nodes.
@access		public
@param		ADT_Graph_Node	$source		Source Node of the Edge
@param		ADT_Graph_Node	$target		Target Node of the Edge
@return		ADT_Graph_Edge
Returns an Edge by its source and target Nodes .