public function FieldStorageDefinitionListener::onFieldStorageDefinitionDelete in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Field/FieldStorageDefinitionListener.php \Drupal\Core\Field\FieldStorageDefinitionListener::onFieldStorageDefinitionDelete()

Reacts to the deletion of a field storage definition.

Parameters

\Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition: The field being deleted.

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

Drupal\Core\Field

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);
  $this->eventDispatcher
    ->dispatch(FieldStorageDefinitionEvents::DELETE, new FieldStorageDefinitionEvent($storage_definition));
  $this->entityFieldManager
    ->clearCachedFieldDefinitions();
}