예제 #1
0
 /**
  * {@inheritdoc}
  */
 public function isEnabled(SignalInterface $signal) : bool
 {
     $signo = $signal->getSignal();
     return isset($this->signals[$signo]) && $this->signals[$signo]->contains($signal);
 }
 /**
  * {@inheritdoc}
  */
 public function reference(SignalInterface $signal)
 {
     $signo = $signal->getSignal();
     if ($this->signals[$signo]->contains($signal)) {
         $this->referenced->attach($signal);
     }
 }