/**
* Visits the given object.
*
* @param object IObject $w An object.
*/
public function visit(IObject $w)
{
$max = $this->earliestTime[0];
foreach ($w->getIncidentEdges() as $edge) {
$v = $edge->getV0();
$wt = $edge->getWeight();
$max = max($max, $this->earliestTime[$v->getNumber()] + unbox($wt));
}
$this->earliestTime[$w->getNumber()] = $max;
}
