Package 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>, PlugableBatchableDataFetcher<K,T>, PlugableDataFetcher<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, measurementIds, metricsEmitter, operation, operationInvoker, type

Constructor Summary

Constructors

Constructor	Description
DefaultDataFetcher(Operation operation, Type type)

Method Summary

Modifier and Type	Method	Description
<T> T	invokeAndTransform(Context context, graphql.schema.DataFetchingEnvironment dfe, graphql.execution.DataFetcherResult.Builder<Object> resultBuilder, Object[] transformedArguments)
CompletionStage<List<T>>	invokeBatch(graphql.schema.DataFetchingEnvironment dfe, Object[] arguments)
<T> T	invokeFailure(graphql.execution.DataFetcherResult.Builder<Object> resultBuilder)

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 Detail

DefaultDataFetcher

public DefaultDataFetcher(Operation operation,
                          Type type)

Method Detail

invokeAndTransform

public <T> T invokeAndTransform(Context context,
                                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>

invokeBatch

public CompletionStage<List<T>> invokeBatch(graphql.schema.DataFetchingEnvironment dfe,
                                            Object[] arguments)

Specified by:

invokeBatch in class AbstractDataFetcher<K,T>