function EntityTypeListener::onEntityTypeDelete

Reacts to the deletion of the entity type.

Parameters

\Drupal\Core\Entity\EntityTypeInterface $entity_type: The entity type being deleted.

Overrides EntityTypeListenerInterface::onEntityTypeDelete

File

core/lib/Drupal/Core/Entity/EntityTypeListener.php, line 129

Class

EntityTypeListener

Reacts to entity type CRUD on behalf of the Entity system.

Namespace

Code

public function onEntityTypeDelete(EntityTypeInterface $entity_type) {
  $entity_type_id = $entity_type->id();
  // An entity type can be deleted even when its live (in-code) definition has
  // been removed from the codebase, so we need to instantiate a custom
  // storage handler that uses the passed-in entity type definition.
  $storage = $this->entityTypeManager
    ->createHandlerInstance($entity_type->getStorageClass(), $entity_type);
  // @todo Forward this to all interested handlers, not only storage, once
  //   iterating handlers is possible: https://www.drupal.org/node/2332857.
  if ($storage instanceof EntityTypeListenerInterface) {
    $storage->onEntityTypeDelete($entity_type);
  }
  $this->entityLastInstalledSchemaRepository
    ->deleteLastInstalledDefinition($entity_type_id);
  $this->eventDispatcher
    ->dispatch(new EntityTypeEvent($entity_type), EntityTypeEvents::DELETE);
  $this->clearCachedDefinitions();
}