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 java.util.concurrent.CompletableFuture<java.lang.Object>`	ExecutionStrategy.`invokeDataFetcher(ExecutionContext executionContext, ExecutionStrategyParameters parameters, GraphQLFieldDefinition fieldDef, java.util.function.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 java.util.function.Supplier<java.util.concurrent.CompletionStage<?>>`	ExecutorInstrumentation.`invokedAsync(DataFetcher<?> originalDataFetcher, DataFetchingEnvironment environment)`
`private java.util.concurrent.CompletableFuture<java.util.concurrent.CompletionStage<?>>`	ExecutorInstrumentation.`invokedSync(DataFetcher<?> originalDataFetcher, DataFetchingEnvironment environment)`
`private java.util.concurrent.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(java.lang.String name, java.lang.String fieldName, java.util.List<GraphQLInputObjectField> inputFields, java.util.List<GraphQLFieldDefinition> outputFields, DataFetcher dataFetcher)`
`GraphQLFieldDefinition`	Relay.`mutationWithClientMutationId(java.lang.String name, java.lang.String fieldName, java.util.List<GraphQLInputObjectField> inputFields, java.util.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 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 `GraphQLInterfaceType`s 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 `GraphQLInterfaceType`s 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, java.util.Map<FieldCoordinates,DataFetcherFactory<?>> dataFetcherMap, java.util.Map<java.lang.String,DataFetcherFactory<?>> systemDataFetcherMap, DataFetcherFactory<?> defaultDataFetcherFactory)`
`DataFetcher<T>`	AsyncDataFetcher.`getWrappedDataFetcher()`
`static DataFetcher`	DataFetcherFactories.`wrapDataFetcher(DataFetcher delegateDataFetcher, java.util.function.BiFunction<DataFetchingEnvironment,java.lang.Object,java.lang.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, java.util.concurrent.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 `GraphQLInterfaceType`s 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, java.util.function.BiFunction<DataFetchingEnvironment,java.lang.Object,java.lang.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(java.lang.String parentTypeName, java.util.Map<java.lang.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
Constructor	Description
`AsyncDataFetcher(DataFetcher<T> wrappedDataFetcher)`
`AsyncDataFetcher(DataFetcher<T> wrappedDataFetcher, java.util.concurrent.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 DataFetcher`	TypeRuntimeWiring.`defaultDataFetcher`

Fields in graphql.schema.idl with type parameters of type DataFetcher
Modifier and Type	Field	Description
`private java.util.Map<java.lang.String,java.util.Map<java.lang.String,DataFetcher>>`	RuntimeWiring.Builder.`dataFetchers`
`private java.util.Map<java.lang.String,java.util.Map<java.lang.String,DataFetcher>>`	RuntimeWiring.`dataFetchers`
`private java.util.Map<java.lang.String,DataFetcher>`	RuntimeWiring.Builder.`defaultDataFetchers`
`private java.util.Map<java.lang.String,DataFetcher>`	RuntimeWiring.`defaultDataFetchers`
`private java.util.Map<java.lang.String,DataFetcher>`	TypeRuntimeWiring.Builder.`fieldDataFetchers`
`private java.util.Map<java.lang.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(java.lang.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
`java.util.Map<java.lang.String,DataFetcher>`	RuntimeWiring.`getDataFetcherForType(java.lang.String typeName)`
`java.util.Map<java.lang.String,java.util.Map<java.lang.String,DataFetcher>>`	RuntimeWiring.`getDataFetchers()`
`java.util.Map<java.lang.String,DataFetcher>`	TypeRuntimeWiring.`getFieldDataFetchers()`

Methods in graphql.schema.idl with parameters of type DataFetcher
Modifier and Type	Method	Description
`TypeRuntimeWiring.Builder`	TypeRuntimeWiring.Builder.`dataFetcher(java.lang.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(java.util.Map<java.lang.String,DataFetcher> dataFetchersMap)`	Adds data fetchers for the current type to the specified field

Constructors in graphql.schema.idl with parameters of type DataFetcher
Constructor	Description
`TypeRuntimeWiring(java.lang.String typeName, DataFetcher defaultDataFetcher, java.util.Map<java.lang.String,DataFetcher> fieldDataFetchers, TypeResolver typeResolver, EnumValuesProvider enumValuesProvider)`

Constructor parameters in graphql.schema.idl with type arguments of type DataFetcher
Constructor	Description
`TypeRuntimeWiring(java.lang.String typeName, DataFetcher defaultDataFetcher, java.util.Map<java.lang.String,DataFetcher> fieldDataFetchers, TypeResolver typeResolver, EnumValuesProvider enumValuesProvider)`