io.vertx.ext.web.handler.graphql

Class VertxDataFetcher<T>

java.lang.Object

io.vertx.ext.web.handler.graphql.VertxDataFetcher<T>

All Implemented Interfaces:

graphql.schema.DataFetcher<CompletionStage<T>>

public class VertxDataFetcher<T>
extends Object
implements graphql.schema.DataFetcher<CompletionStage<T>>

A DataFetcher that works well with Vert.x callback-based APIs.

Author:

Thomas Segismont

Constructor Summary

Constructors

Constructor and Description
VertxDataFetcher(java.util.function.BiConsumer<graphql.schema.DataFetchingEnvironment,Promise<T>> dataFetcher) Create a new data fetcher.

Method Summary

Modifier and Type	Method and Description
CompletionStage<T>	get(graphql.schema.DataFetchingEnvironment environment)

Methods inherited from class java.lang.Object

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

Constructor Detail

VertxDataFetcher

public VertxDataFetcher(java.util.function.BiConsumer<graphql.schema.DataFetchingEnvironment,Promise<T>> dataFetcher)

Create a new data fetcher. The provided function will be invoked with the following arguments:

• the DataFetchingEnvironment
• a future that the implementor must complete after the data objects are fetched

Method Detail

get

public CompletionStage<T> get(graphql.schema.DataFetchingEnvironment environment)
                       throws Exception

Specified by:

get in interface graphql.schema.DataFetcher<CompletionStage<T>>

Throws:

Exception