Package io.smallrye.graphql.execution.datafetcher

Class CompletionStageDataFetcher<K,T>

java.lang.Object

io.smallrye.graphql.execution.datafetcher.AbstractDataFetcher<K,T>

io.smallrye.graphql.execution.datafetcher.AbstractAsyncDataFetcher<K,T>

io.smallrye.graphql.execution.datafetcher.CompletionStageDataFetcher<K,T>

Type Parameters:

K -

T -

All Implemented Interfaces:

graphql.schema.DataFetcher<T>, PlugableBatchableDataFetcher<K,T>, PlugableDataFetcher<T>, org.dataloader.BatchLoaderWithContext<K,T>

public class CompletionStageDataFetcher<K,T>
extends AbstractAsyncDataFetcher<K,T>

Handle Async calls with CompletableFuture

Author:

Phillip Kruger (phillip.kruger@redhat.com)

Field Summary

Fields inherited from class io.smallrye.graphql.execution.datafetcher.AbstractDataFetcher

argumentHelper, batchLoaderHelper, errorResultHelper, eventEmitter, fieldHelper, measurementIds, metricsEmitter, operation, operationInvoker, type

Constructor Summary

Constructors

Constructor	Description
CompletionStageDataFetcher(io.smallrye.graphql.schema.model.Operation operation, io.smallrye.graphql.schema.model.Type type)

Method Summary

Modifier and Type	Method	Description
protected io.smallrye.mutiny.Uni<List<T>>	handleUserBatchLoad(graphql.schema.DataFetchingEnvironment dfe, Object[] arguments)
protected io.smallrye.mutiny.Uni<?>	handleUserMethodCall(graphql.schema.DataFetchingEnvironment dfe, Object[] transformedArguments)

Methods inherited from class io.smallrye.graphql.execution.datafetcher.AbstractAsyncDataFetcher

invokeAndTransform, invokeBatch, invokeFailure

Methods inherited from class io.smallrye.graphql.execution.datafetcher.AbstractDataFetcher

get, load

Methods inherited from class java.lang.Object

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

Constructor Details

CompletionStageDataFetcher

public CompletionStageDataFetcher(io.smallrye.graphql.schema.model.Operation operation,
 io.smallrye.graphql.schema.model.Type type)

Method Details

handleUserMethodCall

protected io.smallrye.mutiny.Uni<?> handleUserMethodCall(graphql.schema.DataFetchingEnvironment dfe,
 Object[] transformedArguments)
                                                  throws Exception

Specified by:

handleUserMethodCall in class AbstractAsyncDataFetcher<K,T>

Throws:

Exception

handleUserBatchLoad

protected io.smallrye.mutiny.Uni<List<T>> handleUserBatchLoad(graphql.schema.DataFetchingEnvironment dfe,
 Object[] arguments)
                                                       throws Exception

Specified by:

handleUserBatchLoad in class AbstractAsyncDataFetcher<K,T>

Throws:

Exception