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<?php
namespace Digia\GraphQL\Type\Definition;
use Digia\GraphQL\Config\ConfigObject;
use Digia\GraphQL\Language\Node\InterfaceTypeDefinitionNode;
use Digia\GraphQL\Language\Node\NodeAwareInterface;
use Digia\GraphQL\Language\Node\NodeTrait;
use function Digia\GraphQL\Util\invariant;
/**
* Interface Type Definition
*
* When a field can return one of a heterogeneous set of types, a Interface type
* is used to describe what types are possible, what fields are in common across
* all types, as well as a function to determine which type is actually used
* when the field is resolved.
* Example:
* $EntityType = GraphQLInterfaceType([
* 'name' => 'Entity',
* 'fields' => [
* 'name' => ['type' => GraphQLString()]
* ]
* ]);
*/
class InterfaceType extends ConfigObject implements NamedTypeInterface, AbstractTypeInterface,
CompositeTypeInterface, OutputTypeInterface, NodeAwareInterface
{
use NameTrait;
use DescriptionTrait;
use FieldsTrait;
use NodeTrait;
use ExtensionASTNodesTrait;
use ResolveTypeTrait;
* @inheritdoc
protected function afterConfig(): void
invariant(null !== $this->getName(), 'Must provide name.');
}
digiaonline /
graphql-php
