ExecutionContext

interface ExecutionContext

A context of GraphQL operation execution, represented as a set of Key keys and corresponding Element values.

It is inspired by the coroutines Context and allows to pass arbitrary data to interceptors.

Types

Companion

common

object Companion

Element

common

interface Element : ExecutionContext

An element of the ExecutionContext.

Key

common

interface Key<E : ExecutionContext.Element>

Key for the elements of ExecutionContext.

Functions

fold

common

abstract fun <R> fold(initial: R, operation: (R, ExecutionContext.Element) -> R): R

Accumulates entries of this context starting with initial value and applying operation from left to right to current accumulator value and each element of this context.

get

common

abstract operator fun <E : ExecutionContext.Element> get(key: ExecutionContext.Key<E>): E?

Returns the element with the given key from this context or null.

minusKey

common

abstract fun minusKey(key: ExecutionContext.Key<*>): ExecutionContext

Returns a context containing elements from this context, but without an element with the specified key.

plus

common

open operator fun plus(context: ExecutionContext): ExecutionContext

Returns a context containing elements from this context and elements from other context.

Inheritors

ExecutionContext