/**
* {@inheritdoc}
*/
public function isEnabled(TransitionInterface $transition, MarkingInterface $marking)
{
$inputArcs = $transition->getInputArcs();
$outputArcs = $transition->getOutputArcs();
if (empty($inputArcs)) {
return false;
}
foreach ($inputArcs as $inputArc) {
$place = $inputArc->getPlace();
$placeMarking = $marking->getPlaceMarking($place);
if (null === $placeMarking) {
return false;
}
if (count($placeMarking->getTokens()) < $inputArc->getWeight()) {
return false;
}
}
foreach ($outputArcs as $outputArc) {
$flag = true;
if ($outputArc->assert() == false) {
$flag &= false;
}
if ($flag) {
return true;
}
}
return $flag;
}
private function getTransitionLabel(TransitionInterface $transition)
{
return null === $transition->getId() ? '' : $transition->getId();
}
function it_throws_an_exception_when_firing_a_disabled_transition(FactoryInterface $factory, MarkingInterface $marking, PlaceMarkingInterface $placeMarking, TransitionInterface $transition, PlaceInterface $place, InputArcInterface $arc)
{
$place->getOutputArcs()->willReturn(array($arc));
$transition->getInputArcs()->willReturn(array($arc));
$arc->getPlace()->willReturn($place);
$arc->getTransition()->willReturn($transition);
$arc->getWeight()->willReturn(1);
$placeMarking->getTokens()->willReturn(array());
$marking->getPlaceMarking($place)->willReturn($placeMarking);
$this->beConstructedWith($factory);
$this->shouldThrow(new TransitionNotEnabledException('Cannot fire a disabled transition.'))->duringFire($transition, $marking);
}
