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<?php declare(strict_types=1);
namespace Stratadox\Pathfinder\Graph;
use Stratadox\Pathfinder\Position;
final class Location implements GeometricVertex
{
private $position;
private $label;
private $edges;
private function __construct(Position $position, string $label, Edges $edges)
$this->position = $position;
$this->label = $label;
$this->edges = $edges;
}
public static function at(
Position $position,
string $label,
Edges $edges = null
): GeometricVertex {
return new self($position, $label, $edges ?: Roads::none());
public function position(): Position
return $this->position;
public function label(): string
return $this->label;
public function edges(): Edges
return $this->edges;
public function hasNegativeEdges(): bool
foreach ($this->edges() as $edge) {
if ($edge->cost() < 0) {
return true;
return false;
Stratadox /
Pathfinder
