public function __construct(SimpleGraph $oGraph, GraphNode $oSourceNode, GraphNode $oSinkNode)
{
$sId = $oSourceNode->GetId() . '-to-' . $oSinkNode->GetId();
parent::__construct($oGraph, $sId, $oSourceNode, $oSinkNode);
}
/**
* INTERNAL USE ONLY
* @param GraphEdge $oEdge
* @throws SimpleGraphException
*/
public function _RemoveEdge(GraphEdge $oEdge)
{
if (!array_key_exists($oEdge->GetId(), $this->aEdges)) {
throw new SimpleGraphException('Cannot remove edge (id=' . $oEdge->GetId() . ') from the graph. The edge was not found.');
}
$oEdge->GetSourceNode()->_RemoveOutgoingEdge($oEdge);
$oEdge->GetSinkNode()->_RemoveIncomingEdge($oEdge);
unset($this->aEdges[$oEdge->GetId()]);
}