Package io.smallrye.graphql.execution.datafetcher

Class PublisherDataFetcher<K,T>

java.lang.Object

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

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

io.smallrye.graphql.execution.datafetcher.PublisherDataFetcher<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 PublisherDataFetcher<K,T>
extends AbstractStreamingDataFetcher<K,T>

Handle Stream calls with Publisher

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
PublisherDataFetcher(Operation operation, Type type)

Method Summary

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

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

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

PublisherDataFetcher

public PublisherDataFetcher(Operation operation,
 Type type)

Method Details

handleUserMethodCall

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

Specified by:

handleUserMethodCall in class AbstractStreamingDataFetcher<K,T>

Throws:

Exception

handleUserBatchLoad

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

Specified by:

handleUserBatchLoad in class AbstractStreamingDataFetcher<K,T>

Throws:

Exception