public function SchemaPluginBase::resolveType in GraphQL 8.3

Resolves a given value to a concrete type.

Parameters

string $name: The name of the interface or union type.

mixed $value: The value to resolve the concrete type for.

\Drupal\graphql\GraphQL\Execution\ResolveContext $context: The resolve context object.

\GraphQL\Type\Definition\ResolveInfo $info: The resolve info object.

Return value

\Drupal\graphql\Plugin\GraphQL\Types\TypePluginBase|null The object type that applies to the given value.

Overrides SchemaBuilderInterface::resolveType

File

src/Plugin/GraphQL/Schemas/SchemaPluginBase.php, line 386

Class

SchemaPluginBase

Namespace

Drupal\graphql\Plugin\GraphQL\Schemas

Code

public function resolveType($name, $value, ResolveContext $context, ResolveInfo $info) {
  $association = $this->pluginDefinition['type_association_map'];
  $types = $this->pluginDefinition['type_map'];
  if (!isset($association[$name])) {
    return NULL;
  }
  foreach ($association[$name] as $type) {

    // TODO: Try to avoid loading the type for the check. Consider to make it static!
    if (isset($types[$type]) && ($instance = $this
      ->buildType($types[$type]))) {
      if ($instance
        ->isTypeOf($value, $context, $info)) {
        return $instance;
      }
    }
  }
  return NULL;
}