/**
* {@inheritdoc}
*/
public function save(array $form, FormStateInterface $form_state)
{
parent::save($form, $form_state);
// Also remove the temporarily stored rule, it has been persisted now.
$this->deleteFromTempStore();
// After the reaction rule is saved, we need to rebuild the container,
// otherwise the reaction rule will not fire. However, we can do an
// optimization: if our generic event subscriber is already registered to
// the event in the kernel/container then we don't need to rebuild.
if (!$this->isRuleEventRegistered()) {
$this->drupalKernel->rebuildContainer();
}
drupal_set_message($this->t('Reaction rule %label has been updated.', ['%label' => $this->entity->label()]));
}
/**
* {@inheritdoc}
*/
public function delete(array $entities)
{
// After deleting a set of reaction rules, sometimes we may need to rebuild
// the container, to clean it up, so that the generic subscriber is not
// registered in the container for the rule events which we do not use
// anymore. So we do that if there is any change in the registered events,
// after the reaction rules are deleted.
$events_before = $this->getRegisteredEvents();
$return = parent::delete($entities);
$events_after = $this->getRegisteredEvents();
// Update the state of registered events and rebuild the container.
if ($events_before != $events_after) {
$this->stateService->set('rules.registered_events', $events_after);
$this->drupalKernel->rebuildContainer();
}
return $return;
}