Package graphql.execution.reactive

Class ReactiveSupport

java.lang.Object

graphql.execution.reactive.ReactiveSupport

public class ReactiveSupport
extends Object

This provides support for a DataFetcher to be able to return a reactive streams Publisher or Java JDK Flow.Publisher as a value, and it can be turned into a CompletableFuture that we can get an async value from.

Constructor Summary

Constructors

Constructor	Description
ReactiveSupport()

Method Summary

Modifier and Type	Method	Description
static Object	fetchedObject(Object fetchedObject)
static <T> org.reactivestreams.Publisher<T>	whenPublisherFinishes(org.reactivestreams.Publisher<T> publisher, Consumer<? super Throwable> atTheEndCallback)	Our reactive SingleSubscriberPublisher supports only a single subscription so this can be used a delegate to perform a call back when the given Publisher actually finishes without adding an extra subscription to the delegate Publisher

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ReactiveSupport

public ReactiveSupport()

Method Details

fetchedObject

public static Object fetchedObject(Object fetchedObject)

whenPublisherFinishes

public static <T> org.reactivestreams.Publisher<T> whenPublisherFinishes(org.reactivestreams.Publisher<T> publisher,
 Consumer<? super Throwable> atTheEndCallback)

Our reactive SingleSubscriberPublisher supports only a single subscription so this can be used a delegate to perform a call back when the given Publisher actually finishes without adding an extra subscription to the delegate Publisher

Type Parameters:

T - for two

Parameters:

publisher - the publisher to wrap

atTheEndCallback - the callback when the Publisher has finished