io.smallrye.graphql.execution.datafetcher

Class DefaultDataFetcher<K,T>

java.lang.Object

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

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

Type Parameters:

K -

T -

All Implemented Interfaces:

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

public class DefaultDataFetcher<K,T>
extends AbstractDataFetcher<K,T>

The default, built in data fetcher

Author:

Phillip Kruger (phillip.kruger@redhat.com)

Field Summary

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

argumentHelper, batchLoaderHelper, errorResultHelper, eventEmitter, fieldHelper, operation, reflectionHelper

Constructor Summary

Constructors

Constructor and Description
DefaultDataFetcher(Operation operation, Config config)

Method Summary

Modifier and Type	Method and Description
<T> T	invokeAndTransform(graphql.schema.DataFetchingEnvironment dfe, graphql.execution.DataFetcherResult.Builder<Object> resultBuilder, Object[] transformedArguments)
<T> T	invokeFailure(graphql.execution.DataFetcherResult.Builder<Object> resultBuilder)
CompletionStage<List<T>>	load(List<K> keys, org.dataloader.BatchLoaderEnvironment ble)

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

get, getSmallRyeContext

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultDataFetcher

public DefaultDataFetcher(Operation operation,
                          Config config)

Method Detail

invokeAndTransform

public <T> T invokeAndTransform(graphql.schema.DataFetchingEnvironment dfe,
                                graphql.execution.DataFetcherResult.Builder<Object> resultBuilder,
                                Object[] transformedArguments)
                         throws Exception

Specified by:

invokeAndTransform in class AbstractDataFetcher<K,T>

Throws:

Exception

invokeFailure

public <T> T invokeFailure(graphql.execution.DataFetcherResult.Builder<Object> resultBuilder)

Specified by:

invokeFailure in class AbstractDataFetcher<K,T>

load

public CompletionStage<List<T>> load(List<K> keys,
                                     org.dataloader.BatchLoaderEnvironment ble)