Example #1
0
 /**
  * {@inheritdoc}
  */
 public function onChange($name) {
   if ($name == 'entity_id' && $this->get('flagged_entity')->isEmpty()) {
     $this->flagged_entity->target_id = $this->entity_id->value;
   }
   if (in_array($name, ['flagged_entity', 'entity_id']) && $this->flagged_entity->target_id != $this->entity_id->value) {
     throw new \LogicException("A flagging can't be moved to another entity.");
   }
   parent::onChange($name);
 }