class ComposableSchemaExampleExtension in GraphQL 8.4

Plugin annotation

@SchemaExtension(
  id = "composable_extension",
  name = "Composable Example extension",
  description = "A simple extension that adds node related fields.",
  schema = "composable"
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\graphql\Plugin\GraphQL\SchemaExtension\SdlSchemaExtensionPluginBase implements ContainerFactoryPluginInterface, SchemaExtensionPluginInterface
      • class \Drupal\graphql_composable\Plugin\GraphQL\SchemaExtension\ComposableSchemaExampleExtension

File

examples/graphql_composable/src/Plugin/GraphQL/SchemaExtension/ComposableSchemaExampleExtension.php, line 19

Namespace

Drupal\graphql_composable\Plugin\GraphQL\SchemaExtension

class ComposableSchemaExampleExtension extends SdlSchemaExtensionPluginBase {

  /**
   * {@inheritdoc}
   */
  public function registerResolvers(ResolverRegistryInterface $registry) : void {
    $builder = new ResolverBuilder();
    $registry
      ->addFieldResolver('Query', 'article', $builder
      ->produce('entity_load')
      ->map('type', $builder
      ->fromValue('node'))
      ->map('bundles', $builder
      ->fromValue([
      'article',
    ]))
      ->map('id', $builder
      ->fromArgument('id')));

    // Create article mutation.
    $registry
      ->addFieldResolver('Mutation', 'createArticle', $builder
      ->produce('create_article')
      ->map('data', $builder
      ->fromArgument('data')));
    $registry
      ->addFieldResolver('ArticleResponse', 'article', $builder
      ->callback(function (ArticleResponse $response) {
      return $response
        ->article();
    }));
    $registry
      ->addFieldResolver('ArticleResponse', 'errors', $builder
      ->callback(function (ArticleResponse $response) {
      return $response
        ->getViolations();
    }));
    $registry
      ->addFieldResolver('Article', 'id', $builder
      ->produce('entity_id')
      ->map('entity', $builder
      ->fromParent()));
    $registry
      ->addFieldResolver('Article', 'title', $builder
      ->compose($builder
      ->produce('entity_label')
      ->map('entity', $builder
      ->fromParent())));
    $registry
      ->addFieldResolver('Article', 'author', $builder
      ->compose($builder
      ->produce('entity_owner')
      ->map('entity', $builder
      ->fromParent()), $builder
      ->produce('entity_label')
      ->map('entity', $builder
      ->fromParent())));

    // Response type resolver.
    $registry
      ->addTypeResolver('Response', [
      __CLASS__,
      'resolveResponse',
    ]);
  }

  /**
   * Resolves the response type.
   *
   * @param \Drupal\graphql\GraphQL\Response\ResponseInterface $response
   *   Response object.
   *
   * @return string
   *   Response type.
   *
   * @throws \Exception
   *   Invalid response type.
   */
  public static function resolveResponse(ResponseInterface $response) : string {

    // Resolve content response.
    if ($response instanceof ArticleResponse) {
      return 'ArticleResponse';
    }
    throw new \Exception('Invalid response type.');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ComposableSchemaExampleExtension::registerResolvers	public	function	Registers type and field resolvers in the shared registry. Overrides SchemaExtensionPluginInterface::registerResolvers
ComposableSchemaExampleExtension::resolveResponse	public static	function	Resolves the response type.
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
SdlSchemaExtensionPluginBase::$moduleHandler	protected	property	The module handler service.
SdlSchemaExtensionPluginBase::create	public static	function	@codeCoverageIgnore Overrides ContainerFactoryPluginInterface::create
SdlSchemaExtensionPluginBase::getBaseDefinition	public	function	Overrides SchemaExtensionPluginInterface::getBaseDefinition
SdlSchemaExtensionPluginBase::getExtensionDefinition	public	function	Overrides SchemaExtensionPluginInterface::getExtensionDefinition
SdlSchemaExtensionPluginBase::loadDefinitionFile	protected	function	Loads a schema definition file.
SdlSchemaExtensionPluginBase::__construct	public	function	SdlSchemaExtensionPluginBase constructor. Overrides PluginBase::__construct
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.