function EntityTypeListener::onEntityTypeDelete

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();
}