| public handle ( string $event, string $message = null ) : boolean | ||
| $event | string | in case the transition will be triggered by an event code
(mealy machine)
this will also match on the transition name
( |
| $message | string | optional message. this can be used by the persistence adapter to be part of the transition history to provide extra information about the transition. |
| Результат | boolean | true in case a transition was triggered by the event, false otherwise |
public function handle($event, $message = null)
{
$transitioned = false;
$transitions = $this->getCurrentState()->getTransitionsTriggeredByEvent($event);
foreach ($transitions as $transition) {
$transitioned = $this->performTransition($transition, $message);
if ($transitioned) {
break;
}
}
return $transitioned;
} echo "'" . $transition->getName() . "' aka event '" . $transition->getEvent() . "'" . PHP_EOL;
}
echo PHP_EOL;
//get input from the user
$event = readline("[01;32mEnter an [01;36mevent [01;32mor [01;34mtransition [01;32mname: [0m");
try {
$status = 0;
$transitioned = false;
//we allow transitions by name or by event
if (strstr($event, '_to_')) {
$transitioned = $machine->transition($event);
if ($transitioned) {
$status = 1;
}
} else {
$transitioned = $machine->handle($event);
if ($transitioned) {
$status = 2;
}
}
} catch (\Exception $e) {
//for instance, when providing a bad transition name.
echo "[31mAn exception occured: " . $e->getMessage() . PHP_EOL;
}
//check what happened
switch ($status) {
case 1:
echo "[01;34m--- transition by transition name '{$event}' succesful";
break;
case 2:
echo "[01;36m--- transition by event name '{$event}' succesful";