class FieldItemTypeResolver in GraphQL 8.2

Resolves the schema for field definitions.

Note: This resolver is only relevant for complex fields which can not be simplified via the content entity schema resolver.

Hierarchy

• class \Drupal\graphql\TypeResolver\TypedDataTypeResolver implements TypeResolverInterface
  • class \Drupal\graphql\TypeResolver\FieldItemTypeResolver

1 string reference to 'FieldItemTypeResolver'

graphql.services.yml in ./graphql.services.yml

graphql.services.yml

1 service uses FieldItemTypeResolver

graphql.type_resolver.typed_data.field_item in ./graphql.services.yml

Drupal\graphql\TypeResolver\FieldItemTypeResolver

File

src/TypeResolver/FieldItemTypeResolver.php, line 18

Namespace

Drupal\graphql\TypeResolver

class FieldItemTypeResolver extends TypedDataTypeResolver {

  /**
   * The typed data manager service.
   *
   * @var \Drupal\Core\TypedData\TypedDataManager
   */
  protected $typedDataManager;

  /**
   * The entity manager service.
   *
   * @var \Drupal\Core\Entity\EntityManagerInterface
   */
  protected $entityManager;

  /**
   * Constructs a FieldItemTypeResolver object.
   *
   * @param TypeResolverInterface $typeResolver
   *   The base type resolver service.
   * @param \Drupal\Core\Entity\EntityManagerInterface $entityManager
   *   The entity manager service.
   */
  public function __construct(TypeResolverInterface $typeResolver, EntityManagerInterface $entityManager) {
    parent::__construct($typeResolver);
    $this->entityManager = $entityManager;
  }

  /**
   * {@inheritdoc}
   */
  public function applies($type) {
    return $type instanceof FieldItemDataDefinition;
  }

  /**
   * {@inheritdoc}
   */
  protected function getTypeIdentifier(DataDefinitionInterface $type) {

    /** @var FieldItemDataDefinition $type */
    $fieldDefinition = $type
      ->getFieldDefinition();
    $fieldName = $fieldDefinition
      ->getName();
    $entityTypeId = $fieldDefinition
      ->getTargetEntityTypeId();

    // Create a more specifc data type identifier because the one returned via
    // typed data is too vague and does not contain information about the owning
    // entity type.
    return "field:item:{$entityTypeId}:{$fieldName}";
  }

}

Members

Name	Modifiers	Type	Description	Overrides
FieldItemTypeResolver::$entityManager	protected	property	The entity manager service.
FieldItemTypeResolver::$typedDataManager	protected	property	The typed data manager service.
FieldItemTypeResolver::applies	public	function	Overrides TypedDataTypeResolver::applies
FieldItemTypeResolver::getTypeIdentifier	protected	function	Retrieves the unique type identifier for a specific data type. Overrides TypedDataTypeResolver::getTypeIdentifier
FieldItemTypeResolver::__construct	public	function	Constructs a FieldItemTypeResolver object. Overrides TypedDataTypeResolver::__construct
TypedDataTypeResolver::$complexTypes	protected	property	Static cache of resolved complex data types.
TypedDataTypeResolver::$primitiveMap	protected	property	Maps data types to primitive types.
TypedDataTypeResolver::$typeResolver	protected	property	The type resolver service.
TypedDataTypeResolver::getPrimitiveType	protected	function
TypedDataTypeResolver::getPropertyComplexValue	public static	function	Property value resolver callback for complex properties
TypedDataTypeResolver::getPropertyListValue	public static	function	Property value resolver callback for list properties.
TypedDataTypeResolver::getPropertyPrimitiveValue	public static	function	Property value resolver callback for primitive properties.
TypedDataTypeResolver::getPropertyReferenceValue	public static	function	Property value resolver callback for reference properties.
TypedDataTypeResolver::getPropertyResolverFunction	protected	function	Helper function to find the proper resolver function for a given property.
TypedDataTypeResolver::resolveFieldFromProperty	protected	function	Helper function to resolve a field definition from a typed data property.	1
TypedDataTypeResolver::resolveFields	protected	function	Helper function to resolve the list of available fields for a type.	1
TypedDataTypeResolver::resolveRecursive	public	function	Overrides TypeResolverInterface::resolveRecursive	1
TypedDataTypeResolver::resolveRecursiveComplex	protected	function	Resolves complex data definitions.
TypedDataTypeResolver::resolveRecursiveList	protected	function	Resolves list data definitions.
TypedDataTypeResolver::resolveRecursivePrimitive	protected	function	Resolves primitive data definitions.
TypedDataTypeResolver::resolveRecursiveReference	protected	function	Resolves data reference definitions.