function FieldStorageDefinitionListener::onFieldStorageDefinitionDelete

Overrides FieldStorageDefinitionListenerInterface::onFieldStorageDefinitionDelete

File

core/lib/Drupal/Core/Field/FieldStorageDefinitionListener.php, line 116

Class

FieldStorageDefinitionListener

Reacts to field storage definition CRUD on behalf of the Entity system.

Namespace

Code

public function onFieldStorageDefinitionDelete(FieldStorageDefinitionInterface $storage_definition) {
    $entity_type_id = $storage_definition->getTargetEntityTypeId();
    // @todo Forward this to all interested handlers, not only storage, once
    //   iterating handlers is possible: https://www.drupal.org/node/2332857.
    $storage = $this->entityTypeManager
        ->getStorage($entity_type_id);
    // Keep the field definition in the deleted fields repository so we can use
    // it later during field_purge_batch(), but only if the field has data.
    if ($storage_definition instanceof BaseFieldDefinition && $storage instanceof FieldableEntityStorageInterface && $storage->countFieldData($storage_definition, TRUE)) {
        $deleted_storage_definition = clone $storage_definition;
        $deleted_storage_definition->setDeleted(TRUE);
        $this->deletedFieldsRepository
            ->addFieldDefinition($deleted_storage_definition);
        $this->deletedFieldsRepository
            ->addFieldStorageDefinition($deleted_storage_definition);
    }
    if ($storage instanceof FieldStorageDefinitionListenerInterface) {
        $storage->onFieldStorageDefinitionDelete($storage_definition);
    }
    $this->entityLastInstalledSchemaRepository
        ->deleteLastInstalledFieldStorageDefinition($storage_definition);
    $this->eventDispatcher
        ->dispatch(new FieldStorageDefinitionEvent($storage_definition), FieldStorageDefinitionEvents::DELETE);
    $this->entityFieldManager
        ->clearCachedFieldDefinitions();
}