/**
* {@inheritdoc}
*/
public function getToken(EventInterface $event) : array
{
$object = $event->getObject();
$statedClassName = $this->getStatedClassInstanceToken($object);
$tokenList = [$statedClassName];
foreach ($event->getEnabledStates() as $stateName) {
$tokenList[] = $statedClassName . ':' . \strtolower($stateName);
}
foreach ($event->getIncomingStates() as $stateName) {
$tokenList[] = $statedClassName . ':+' . \strtolower($stateName);
}
foreach ($event->getOutgoingStates() as $stateName) {
$tokenList[] = $statedClassName . ':-' . \strtolower($stateName);
}
return $tokenList;
}
/**
* @param EventInterface $event
*
* @return bool
*/
protected function checkNeededIncomingStates(EventInterface $event) : bool
{
$neededIncomingStatesList = $this->listNeededIncomingStates();
if (empty($neededIncomingStatesList)) {
return true;
}
$incomingStateList = $event->getIncomingStates();
return empty(\array_diff($neededIncomingStatesList, $incomingStateList));
}