Struct Schema 

pub struct Schema<Query, Mutation, Subscription>(/* private fields */);

GraphQL schema.

Cloning a schema is cheap, so it can be easily shared.

Implementations

impl<Query, Mutation, Subscription> Schema<Query, Mutation, Subscription>

where Query: ObjectType + 'static, Mutation: ObjectType + 'static, Subscription: SubscriptionType + 'static,

pub fn build( query: Query, mutation: Mutation, subscription: Subscription, ) -> SchemaBuilder<Query, Mutation, Subscription>

Create a schema builder

The root object for the query and Mutation needs to be specified. If there is no mutation, you can use EmptyMutation. If there is no subscription, you can use EmptySubscription.

pub fn new( query: Query, mutation: Mutation, subscription: Subscription, ) -> Schema<Query, Mutation, Subscription>

Create a schema

pub fn sdl(&self) -> String

Returns SDL(Schema Definition Language) of this schema.

pub fn federation_sdl(&self) -> String

Returns Federation SDL(Schema Definition Language) of this schema.

pub fn names(&self) -> Vec<String>

Get all names in this schema

Maybe you want to serialize a custom binary protocol. In order to minimize message size, a dictionary is usually used to compress type names, field names, directive names, and parameter names. This function gets all the names, so you can create this dictionary.

pub async fn execute(&self, request: impl Into<Request>) -> Response

Execute a GraphQL query.

pub async fn execute_batch(&self, batch_request: BatchRequest) -> BatchResponse

Execute a GraphQL batch query.

pub fn execute_stream( &self, request: impl Into<Request>, ) -> impl Stream<Item = Response> + Send + Unpin

Execute a GraphQL subscription.

Trait Implementations

impl<Query, Mutation, Subscription> Clone for Schema<Query, Mutation, Subscription>

fn clone(&self) -> Schema<Query, Mutation, Subscription>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<Query, Mutation, Subscription> Default for Schema<Query, Mutation, Subscription>

where Query: Default + ObjectType + 'static, Mutation: Default + ObjectType + 'static, Subscription: Default + SubscriptionType + 'static,

fn default() -> Schema<Query, Mutation, Subscription>

Returns the “default value” for a type.

impl<Query, Mutation, Subscription> Deref for Schema<Query, Mutation, Subscription>

type Target = SchemaInner<Query, Mutation, Subscription>

The resulting type after dereferencing.

fn deref(&self) -> &<Schema<Query, Mutation, Subscription> as Deref>::Target

Dereferences the value.