/**
  * Set Old
  * @param Transmitter $old
  * @return Replacement
  */
 public function setOld(Transmitter $old)
 {
     $old->setIsActive(false);
     $this->old = $old;
     $this->old->setReplacedTransmitter($this->getNew());
     return $this;
 }
 /**
  * Reactive Transmitter entity.
  *
  * @Route("/{id}/reactive", name="transmitter_reactive")
  */
 public function reactiveAction(Transmitter $entity)
 {
     $entity->setIsActive(true);
     $em = $this->getDoctrine()->getManager();
     $em->persist($entity);
     $em->flush();
     return $this->redirect($this->get('request')->headers->get('referer'));
 }