Package org.springframework.graphql.execution

Interface SelfDescribingDataFetcher<T>

All Superinterfaces:

DataFetcher<T>

public interface SelfDescribingDataFetcher<T>
extends DataFetcher<T>

Specialized DataFetcher that can provide information about itself.

Since:

1.2.0

Author:

Brian Clozel

Method Summary

Modifier and Type	Method	Description
ResolvableType	getReturnType()	The type that the DataFetcher returns.

Methods inherited from interface graphql.schema.DataFetcher

get

Method Details

getReturnType

ResolvableType getReturnType()

The type that the DataFetcher returns.

This could be a type from a @Controller method declaration or the type expected to be returned by the DataFetcher possibly backed by a Spring Data repository. The concrete type of the returned instance might be a subclass.

Returns:

the type of the data returned by the data fetcher.