Uses of Interface
graphql.schema.DataFetcher

Packages that use DataFetcher

Package	Description
graphql
graphql.execution
graphql.execution.instrumentation
graphql.execution.instrumentation.dataloader
graphql.execution.instrumentation.threadpools
graphql.introspection
graphql.relay
graphql.schema
graphql.schema.idl

Uses of DataFetcher in graphql

Subinterfaces of DataFetcher in graphql

Modifier and Type	Interface	Description
interface	TrivialDataFetcher<T>	Mark a DataFetcher as trivial: If a data fetcher is simply mapping data from an object to a field, it can be considered a trivial data fetcher for the purposes of tracing and so on.

Uses of DataFetcher in graphql.execution

Methods in graphql.execution with parameters of type DataFetcher

Modifier and Type	Method	Description
private CompletableFuture<Object>	ExecutionStrategy.invokeDataFetcher(ExecutionContext executionContext, ExecutionStrategyParameters parameters, GraphQLFieldDefinition fieldDef, Supplier<DataFetchingEnvironment> dataFetchingEnvironment, DataFetcher<?> dataFetcher)

Uses of DataFetcher in graphql.execution.instrumentation

Methods in graphql.execution.instrumentation that return DataFetcher

Modifier and Type	Method	Description
@NotNull DataFetcher<?>	ChainedInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters)
@NotNull DataFetcher<?>	ChainedInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)
default @NotNull DataFetcher<?>	Instrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters)	Deprecated. use Instrumentation.instrumentDataFetcher(DataFetcher, InstrumentationFieldFetchParameters, InstrumentationState) instead
default @NotNull DataFetcher<?>	Instrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)	This is called to instrument a DataFetcher just before it is used to fetch a field, allowing you to adjust what information is passed back or record information about specific data fetches.
@NotNull DataFetcher<?>	SimplePerformantInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters)
@NotNull DataFetcher<?>	SimplePerformantInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)

Methods in graphql.execution.instrumentation with parameters of type DataFetcher

Modifier and Type	Method	Description
@NotNull DataFetcher<?>	ChainedInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters)
@NotNull DataFetcher<?>	ChainedInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)
default @NotNull DataFetcher<?>	Instrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters)	Deprecated. use Instrumentation.instrumentDataFetcher(DataFetcher, InstrumentationFieldFetchParameters, InstrumentationState) instead
default @NotNull DataFetcher<?>	Instrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)	This is called to instrument a DataFetcher just before it is used to fetch a field, allowing you to adjust what information is passed back or record information about specific data fetches.
@NotNull DataFetcher<?>	SimplePerformantInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters)
@NotNull DataFetcher<?>	SimplePerformantInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)

Uses of DataFetcher in graphql.execution.instrumentation.dataloader

Methods in graphql.execution.instrumentation.dataloader that return DataFetcher

Modifier and Type	Method	Description
@NotNull DataFetcher<?>	DataLoaderDispatcherInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState rawState)

Methods in graphql.execution.instrumentation.dataloader with parameters of type DataFetcher

Modifier and Type	Method	Description
@NotNull DataFetcher<?>	DataLoaderDispatcherInstrumentation.instrumentDataFetcher(DataFetcher<?> dataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState rawState)

Uses of DataFetcher in graphql.execution.instrumentation.threadpools

Methods in graphql.execution.instrumentation.threadpools that return DataFetcher

Modifier and Type	Method	Description
@NotNull DataFetcher<?>	ExecutorInstrumentation.instrumentDataFetcher(DataFetcher<?> originalDataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)

Methods in graphql.execution.instrumentation.threadpools with parameters of type DataFetcher

Modifier and Type	Method	Description
@NotNull DataFetcher<?>	ExecutorInstrumentation.instrumentDataFetcher(DataFetcher<?> originalDataFetcher, InstrumentationFieldFetchParameters parameters, InstrumentationState state)
private Supplier<CompletionStage<?>>	ExecutorInstrumentation.invokedAsync(DataFetcher<?> originalDataFetcher, DataFetchingEnvironment environment)
private CompletableFuture<CompletionStage<?>>	ExecutorInstrumentation.invokedSync(DataFetcher<?> originalDataFetcher, DataFetchingEnvironment environment)
private CompletionStage<?>	ExecutorInstrumentation.invokeOriginalDF(DataFetcher<?> originalDataFetcher, DataFetchingEnvironment environment)

Uses of DataFetcher in graphql.introspection

Subinterfaces of DataFetcher in graphql.introspection

Modifier and Type	Interface	Description
interface	IntrospectionDataFetcher<T>	Special DataFetcher which is only used inside Introspection

Uses of DataFetcher in graphql.relay

Classes in graphql.relay that implement DataFetcher

Modifier and Type	Class	Description
class	SimpleListConnection<T>

Methods in graphql.relay with parameters of type DataFetcher

Modifier and Type	Method	Description
GraphQLFieldDefinition	Relay.mutation(String name, String fieldName, List<GraphQLInputObjectField> inputFields, List<GraphQLFieldDefinition> outputFields, DataFetcher dataFetcher)
GraphQLFieldDefinition	Relay.mutationWithClientMutationId(String name, String fieldName, List<GraphQLInputObjectField> inputFields, List<GraphQLFieldDefinition> outputFields, DataFetcher dataFetcher)
GraphQLFieldDefinition	Relay.nodeField(GraphQLInterfaceType nodeInterface, DataFetcher nodeDataFetcher)

Uses of DataFetcher in graphql.schema

Subinterfaces of DataFetcher in graphql.schema

Modifier and Type	Interface	Description
interface	LightDataFetcher<T>	A LightDataFetcher is a specialised version of DataFetcher that is passed more lightweight arguments when it is asked to fetch values.

Classes in graphql.schema that implement DataFetcher

Modifier and Type	Class	Description
class	AsyncDataFetcher<T>	A modifier type that indicates the underlying data fetcher is run asynchronously
class	PropertyDataFetcher<T>	This is the default data fetcher used in graphql-java, and it will examine maps, records and POJO java beans for values that match the desired name, typically the field name, or it will use a provided function to obtain values.
class	StaticDataFetcher	A DataFetcher that always returns the same value

Fields in graphql.schema declared as DataFetcher

Modifier and Type	Field	Description
private final DataFetcher<T>	AsyncDataFetcher.wrappedDataFetcher

Methods in graphql.schema that return DataFetcher

Modifier and Type	Method	Description
DataFetcher<T>	DataFetcherFactory.get(DataFetcherFactoryEnvironment environment)	Returns a DataFetcher
DataFetcher<?>	GraphQLCodeRegistry.Builder.getDataFetcher(FieldCoordinates coordinates, GraphQLFieldDefinition fieldDefinition)	Returns a data fetcher associated with a field located at specified coordinates.
DataFetcher<?>	GraphQLCodeRegistry.Builder.getDataFetcher(GraphQLFieldsContainer parentType, GraphQLFieldDefinition fieldDefinition)	Deprecated. This is confusing because GraphQLInterfaceTypes cant have data fetchers.
DataFetcher<?>	GraphQLCodeRegistry.Builder.getDataFetcher(GraphQLObjectType parentType, GraphQLFieldDefinition fieldDefinition)	Returns a data fetcher associated with a field within an object type
DataFetcher<?>	GraphQLCodeRegistry.getDataFetcher(FieldCoordinates coordinates, GraphQLFieldDefinition fieldDefinition)	Returns a data fetcher associated with a field located at specified coordinates.
DataFetcher<?>	GraphQLCodeRegistry.getDataFetcher(GraphQLFieldsContainer parentType, GraphQLFieldDefinition fieldDefinition)	Deprecated. This is confusing because GraphQLInterfaceTypes cant have data fetchers.
DataFetcher<?>	GraphQLCodeRegistry.getDataFetcher(GraphQLObjectType parentType, GraphQLFieldDefinition fieldDefinition)	Returns a data fetcher associated with a field within an object type
(package private) DataFetcher<?>	GraphQLFieldDefinition.getDataFetcher()	Deprecated.
private static DataFetcher<?>	GraphQLCodeRegistry.getDataFetcherImpl(FieldCoordinates coordinates, GraphQLFieldDefinition fieldDefinition, Map<FieldCoordinates,DataFetcherFactory<?>> dataFetcherMap, Map<String,DataFetcherFactory<?>> systemDataFetcherMap, DataFetcherFactory<?> defaultDataFetcherFactory)
DataFetcher<T>	AsyncDataFetcher.getWrappedDataFetcher()
static DataFetcher	DataFetcherFactories.wrapDataFetcher(DataFetcher delegateDataFetcher, BiFunction<DataFetchingEnvironment,Object,Object> mapFunction)	This helper function allows you to wrap an existing data fetcher and map the value once it completes.

Methods in graphql.schema with parameters of type DataFetcher

Modifier and Type	Method	Description
static <T> AsyncDataFetcher<T>	AsyncDataFetcher.async(DataFetcher<T> wrappedDataFetcher)	A factory method for creating asynchronous data fetchers so that when used with static imports allows more readable code such as:
static <T> AsyncDataFetcher<T>	AsyncDataFetcher.async(DataFetcher<T> wrappedDataFetcher, Executor executor)	A factory method for creating asynchronous data fetchers and setting the Executor they run in so that when used with static imports allows more readable code such as:
GraphQLCodeRegistry.Builder	GraphQLCodeRegistry.Builder.dataFetcher(FieldCoordinates coordinates, DataFetcher<?> dataFetcher)	Sets the data fetcher for a specific field inside a container type
GraphQLCodeRegistry.Builder	GraphQLCodeRegistry.Builder.dataFetcher(GraphQLFieldsContainer parentType, GraphQLFieldDefinition fieldDefinition, DataFetcher<?> dataFetcher)	Deprecated. This is confusing because GraphQLInterfaceTypes cant have data fetchers.
GraphQLCodeRegistry.Builder	GraphQLCodeRegistry.Builder.dataFetcher(GraphQLObjectType parentType, GraphQLFieldDefinition fieldDefinition, DataFetcher<?> dataFetcher)	Sets the data fetcher for a specific field inside an object type
GraphQLFieldDefinition.Builder	GraphQLFieldDefinition.Builder.dataFetcher(DataFetcher<?> dataFetcher)	Deprecated. use GraphQLCodeRegistry instead
GraphQLCodeRegistry.Builder	GraphQLCodeRegistry.Builder.dataFetcherIfAbsent(FieldCoordinates coordinates, DataFetcher<?> dataFetcher)	Sets the data fetcher factory for a specific field inside a container type ONLY if not mapping has already been made
GraphQLCodeRegistry.Builder	GraphQLCodeRegistry.Builder.systemDataFetcher(FieldCoordinates coordinates, DataFetcher<?> dataFetcher)	Called to place system data fetchers (eg Introspection fields) into the mix
static <T> DataFetcherFactory<T>	DataFetcherFactories.useDataFetcher(DataFetcher<T> dataFetcher)	Creates a DataFetcherFactory that always returns the provided DataFetcher
static DataFetcher	DataFetcherFactories.wrapDataFetcher(DataFetcher delegateDataFetcher, BiFunction<DataFetchingEnvironment,Object,Object> mapFunction)	This helper function allows you to wrap an existing data fetcher and map the value once it completes.

Method parameters in graphql.schema with type arguments of type DataFetcher

Modifier and Type	Method	Description
GraphQLCodeRegistry.Builder	GraphQLCodeRegistry.Builder.dataFetchers(String parentTypeName, Map<String,DataFetcher<?>> fieldDataFetchers)	This allows you you to build all the data fetchers for the fields of a container type.

Constructors in graphql.schema with parameters of type DataFetcher

Modifier	Constructor	Description
	AsyncDataFetcher(DataFetcher<T> wrappedDataFetcher)
	AsyncDataFetcher(DataFetcher<T> wrappedDataFetcher, Executor executor)

Uses of DataFetcher in graphql.schema.idl

Fields in graphql.schema.idl declared as DataFetcher

Modifier and Type	Field	Description
private DataFetcher	TypeRuntimeWiring.Builder.defaultDataFetcher
private final DataFetcher	TypeRuntimeWiring.defaultDataFetcher

Fields in graphql.schema.idl with type parameters of type DataFetcher

Modifier and Type	Field	Description
private final Map<String,Map<String,DataFetcher>>	RuntimeWiring.Builder.dataFetchers
private final Map<String,Map<String,DataFetcher>>	RuntimeWiring.dataFetchers
private final Map<String,DataFetcher>	RuntimeWiring.Builder.defaultDataFetchers
private final Map<String,DataFetcher>	RuntimeWiring.defaultDataFetchers
private final Map<String,DataFetcher>	TypeRuntimeWiring.Builder.fieldDataFetchers
private final Map<String,DataFetcher>	TypeRuntimeWiring.fieldDataFetchers

Methods in graphql.schema.idl that return DataFetcher

Modifier and Type	Method	Description
private DataFetcher<?>	SchemaGeneratorHelper.dataFetcherOfLastResort(FieldWiringEnvironment environment)
DataFetcher	CombinedWiringFactory.getDataFetcher(FieldWiringEnvironment environment)
DataFetcher	MockedWiringFactory.getDataFetcher(FieldWiringEnvironment environment)
DataFetcher	NoopWiringFactory.getDataFetcher(FieldWiringEnvironment environment)
default DataFetcher	WiringFactory.getDataFetcher(FieldWiringEnvironment environment)	Returns a DataFetcher given the type definition
DataFetcher	CombinedWiringFactory.getDefaultDataFetcher(FieldWiringEnvironment environment)
DataFetcher	EchoingWiringFactory.getDefaultDataFetcher(FieldWiringEnvironment environment)
DataFetcher	NoopWiringFactory.getDefaultDataFetcher(FieldWiringEnvironment environment)
DataFetcher	TypeRuntimeWiring.getDefaultDataFetcher()
default DataFetcher	WiringFactory.getDefaultDataFetcher(FieldWiringEnvironment environment)	All fields need a data fetcher of some sort and this method is called to provide the data fetcher that will be used if no specific one has been provided
DataFetcher	RuntimeWiring.getDefaultDataFetcherForType(String typeName)
DataFetcher<?>	SchemaDirectiveWiringEnvironment.getFieldDataFetcher()	This is useful as a shortcut to get the current fields existing data fetcher
DataFetcher<?>	SchemaDirectiveWiringEnvironmentImpl.getFieldDataFetcher()

Methods in graphql.schema.idl that return types with arguments of type DataFetcher

Modifier and Type	Method	Description
Map<String,DataFetcher>	RuntimeWiring.getDataFetcherForType(String typeName)
Map<String,Map<String,DataFetcher>>	RuntimeWiring.getDataFetchers()
Map<String,DataFetcher>	TypeRuntimeWiring.getFieldDataFetchers()

Methods in graphql.schema.idl with parameters of type DataFetcher

Modifier and Type	Method	Description
TypeRuntimeWiring.Builder	TypeRuntimeWiring.Builder.dataFetcher(String fieldName, DataFetcher dataFetcher)	Adds a data fetcher for the current type to the specified field
TypeRuntimeWiring.Builder	TypeRuntimeWiring.Builder.defaultDataFetcher(DataFetcher dataFetcher)	All fields in a type need a data fetcher of some sort and this method is called to provide the default data fetcher that will be used for this type if no specific one has been provided per field.
GraphQLFieldDefinition	SchemaDirectiveWiringEnvironment.setFieldDataFetcher(DataFetcher<?> newDataFetcher)	This is a shortcut method to set a new data fetcher in the underlying GraphQLCodeRegistry against the current field.
GraphQLFieldDefinition	SchemaDirectiveWiringEnvironmentImpl.setFieldDataFetcher(DataFetcher<?> newDataFetcher)

Method parameters in graphql.schema.idl with type arguments of type DataFetcher

Modifier and Type	Method	Description
TypeRuntimeWiring.Builder	TypeRuntimeWiring.Builder.dataFetchers(Map<String,DataFetcher> dataFetchersMap)	Adds data fetchers for the current type to the specified field

Constructors in graphql.schema.idl with parameters of type DataFetcher

Modifier	Constructor	Description
private	TypeRuntimeWiring(String typeName, DataFetcher defaultDataFetcher, Map<String,DataFetcher> fieldDataFetchers, TypeResolver typeResolver, EnumValuesProvider enumValuesProvider)

Constructor parameters in graphql.schema.idl with type arguments of type DataFetcher

Modifier	Constructor	Description
private	TypeRuntimeWiring(String typeName, DataFetcher defaultDataFetcher, Map<String,DataFetcher> fieldDataFetchers, TypeResolver typeResolver, EnumValuesProvider enumValuesProvider)