Struct async_graphql::types::connection::Connection

pub struct Connection<C, T, EC = EmptyFields, EE = EmptyFields> {
    pub edges: Vec<Edge<C, T, EE>>,
    /* private fields */
}

Connection type

Connection is the result of a query for connection::query.

Fields

edges: Vec<Edge<C, T, EE>>

All edges of the current page.

Implementations

impl<C, T, EE> Connection<C, T, EmptyFields, EE>

pub fn new(has_previous_page: bool, has_next_page: bool) -> Self

Create a new connection.

impl<C, T, EC, EE> Connection<C, T, EC, EE>

pub fn with_additional_fields(
    has_previous_page: bool,
    has_next_page: bool,
    additional_fields: EC
) -> Self

Create a new connection, it can have some additional fields.

impl<C, T, EC, EE> Connection<C, T, EC, EE>

pub fn map<T2, EE2, F>(self, f: F) -> Connection<C, T2, EC, EE2> where
    F: FnMut(Edge<C, T, EE>) -> Edge<C, T2, EE2>, 

Convert the edge type and return a new Connection.

pub fn map_node<T2, F>(self, f: F) -> Connection<C, T2, EC, EE> where
    F: FnMut(T) -> T2, 

Convert the node type and return a new Connection.

pub fn append<I>(&mut self, iter: I) where
    I: IntoIterator<Item = Edge<C, T, EE>>, 

Append edges with IntoIterator<Item = Edge<C, T, EE>>

pub fn try_append<I, E>(&mut self, iter: I) -> Result<(), E> where
    I: IntoIterator<Item = Result<Edge<C, T, EE>, E>>, 

Append edges with IntoIterator<Item = Result<Edge<C, T, EE>, E>>

pub async fn append_stream<S>(&mut self, stream: S) where
    S: Stream<Item = Edge<C, T, EE>> + Unpin, 

Append edges with Stream<Item = Result<Edge<C, T, EE>>>

pub async fn try_append_stream<S, E>(&mut self, stream: S) -> Result<(), E> where
    S: Stream<Item = Result<Edge<C, T, EE>, E>> + Unpin, 

Append edges with Stream<Item = Result<Edge<C, T, EE>, E>>

Trait Implementations

impl<C, T, EC, EE> ContainerType for Connection<C, T, EC, EE> where
    C: CursorType + Send + Sync,
    T: OutputType,
    EC: ObjectType,
    EE: ObjectType, 

fn resolve_field<'life0, 'life1, 'life2, 'async_trait>(
    &'life0 self,
    ctx: &'life1 Context<'life2>
) -> Pin<Box<dyn Future<Output = ServerResult<Option<Value>>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    'life2: 'async_trait,
    Self: 'async_trait, 

Resolves a field value and outputs it as a json value async_graphql::Value.

fn collect_all_fields<'a>(
    &'a self,
    ctx: &ContextSelectionSet<'a>,
    fields: &mut Fields<'a>
) -> ServerResult<()> where
    Self: Send + Sync, 

Collect all the fields of the container that are queried in the selection set.

fn find_entity<'life0, 'life1, 'life2, 'life3, 'async_trait>(
    &'life0 self,
    __arg1: &'life1 Context<'life2>,
    _params: &'life3 Value
) -> Pin<Box<dyn Future<Output = ServerResult<Option<Value>>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    'life2: 'async_trait,
    'life3: 'async_trait,
    Self: Sync + 'async_trait, 

Find the GraphQL entity with the given name from the parameter.

impl<C, T, EC, EE> OutputType for Connection<C, T, EC, EE> where
    C: CursorType + Send + Sync,
    T: OutputType,
    EC: ObjectType,
    EE: ObjectType, 

fn type_name() -> Cow<'static, str>

Type the name.

fn create_type_info(registry: &mut Registry) -> String

Create type information in the registry and return qualified typename.

fn resolve<'life0, 'life1, 'life2, 'life3, 'async_trait>(
    &'life0 self,
    ctx: &'life1 ContextSelectionSet<'life2>,
    _field: &'life3 Positioned<Field>
) -> Pin<Box<dyn Future<Output = ServerResult<Value>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    'life2: 'async_trait,
    'life3: 'async_trait,
    Self: 'async_trait, 

Resolve an output value to async_graphql::Value.

fn qualified_type_name() -> String

Qualified typename.

fn introspection_type_name(&self) -> Cow<'static, str>

Introspection type name

impl<C, T, EC, EE> ObjectType for Connection<C, T, EC, EE> where
    C: CursorType + Send + Sync,
    T: OutputType,
    EC: ObjectType,
    EE: ObjectType,