class DeletedFieldsRepository in Drupal 8

Provides a repository for deleted field and field storage objects.

@internal

Hierarchy

• class \Drupal\Core\Field\DeletedFieldsRepository implements DeletedFieldsRepositoryInterface

1 string reference to 'DeletedFieldsRepository'

core.services.yml in core/core.services.yml

core/core.services.yml

1 service uses DeletedFieldsRepository

entity_field.deleted_fields_repository in core/core.services.yml

Drupal\Core\Field\DeletedFieldsRepository

File

core/lib/Drupal/Core/Field/DeletedFieldsRepository.php, line 12

Namespace

Drupal\Core\Field

class DeletedFieldsRepository implements DeletedFieldsRepositoryInterface {

  /**
   * The state key/value store.
   *
   * @var \Drupal\Core\State\StateInterface
   */
  protected $state;

  /**
   * Constructs a new deleted fields repository.
   *
   * @param \Drupal\Core\State\StateInterface $state
   *   The state key/value store.
   */
  public function __construct(StateInterface $state) {
    $this->state = $state;
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldDefinitions($field_storage_unique_id = NULL) {
    $deleted_field_definitions = $this->state
      ->get('field.field.deleted', []);
    if ($field_storage_unique_id) {
      $deleted_field_definitions = array_filter($deleted_field_definitions, function (FieldDefinitionInterface $field_definition) use ($field_storage_unique_id) {
        return $field_definition
          ->getFieldStorageDefinition()
          ->getUniqueStorageIdentifier() === $field_storage_unique_id;
      });
    }
    return $deleted_field_definitions;
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldStorageDefinitions() {
    return $this->state
      ->get('field.storage.deleted', []);
  }

  /**
   * {@inheritdoc}
   */
  public function addFieldDefinition(FieldDefinitionInterface $field_definition) {
    $deleted_field_definitions = $this->state
      ->get('field.field.deleted', []);
    $deleted_field_definitions[$field_definition
      ->getUniqueIdentifier()] = $field_definition;
    $this->state
      ->set('field.field.deleted', $deleted_field_definitions);
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function addFieldStorageDefinition(FieldStorageDefinitionInterface $field_storage_definition) {
    $deleted_storage_definitions = $this->state
      ->get('field.storage.deleted', []);
    $deleted_storage_definitions[$field_storage_definition
      ->getUniqueStorageIdentifier()] = $field_storage_definition;
    $this->state
      ->set('field.storage.deleted', $deleted_storage_definitions);
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function removeFieldDefinition(FieldDefinitionInterface $field_definition) {
    $deleted_field_definitions = $this->state
      ->get('field.field.deleted', []);
    unset($deleted_field_definitions[$field_definition
      ->getUniqueIdentifier()]);
    $this->state
      ->set('field.field.deleted', $deleted_field_definitions);
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function removeFieldStorageDefinition(FieldStorageDefinitionInterface $field_storage_definition) {
    $deleted_storage_definitions = $this->state
      ->get('field.storage.deleted', []);
    unset($deleted_storage_definitions[$field_storage_definition
      ->getUniqueStorageIdentifier()]);
    $this->state
      ->set('field.storage.deleted', $deleted_storage_definitions);
    return $this;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DeletedFieldsRepository::$state	protected	property	The state key/value store.
DeletedFieldsRepository::addFieldDefinition	public	function	Adds a field definition object to the deleted list. Overrides DeletedFieldsRepositoryInterface::addFieldDefinition
DeletedFieldsRepository::addFieldStorageDefinition	public	function	Adds a field storage definition object to the deleted list. Overrides DeletedFieldsRepositoryInterface::addFieldStorageDefinition
DeletedFieldsRepository::getFieldDefinitions	public	function	Returns a list of deleted field definitions. Overrides DeletedFieldsRepositoryInterface::getFieldDefinitions
DeletedFieldsRepository::getFieldStorageDefinitions	public	function	Returns a list of deleted field storage definitions. Overrides DeletedFieldsRepositoryInterface::getFieldStorageDefinitions
DeletedFieldsRepository::removeFieldDefinition	public	function	Removes a field definition object from the deleted list. Overrides DeletedFieldsRepositoryInterface::removeFieldDefinition
DeletedFieldsRepository::removeFieldStorageDefinition	public	function	Removes a field storage definition object from the deleted list. Overrides DeletedFieldsRepositoryInterface::removeFieldStorageDefinition
DeletedFieldsRepository::__construct	public	function	Constructs a new deleted fields repository.