Package org.springframework.graphql.data.method

Class InvocableHandlerMethodSupport

java.lang.Object

org.springframework.graphql.data.method.HandlerMethod

org.springframework.graphql.data.method.InvocableHandlerMethodSupport

Direct Known Subclasses:

BatchLoaderHandlerMethod, DataFetcherHandlerMethod

public abstract class InvocableHandlerMethodSupport
extends HandlerMethod

Extension of HandlerMethod that adds support for invoking the underlying handler methods.

Since:

1.0.0

Author:

Rossen Stoyanchev

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.graphql.data.method.HandlerMethod

HandlerMethod.HandlerMethodParameter

Field Summary

Fields inherited from class org.springframework.graphql.data.method.HandlerMethod

logger

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	InvocableHandlerMethodSupport(HandlerMethod handlerMethod, Executor executor)	Create an instance.

Method Summary

Modifier and Type	Method	Description
protected Object	doInvoke(GraphQLContext graphQLContext, Object... argValues)	Invoke the handler method with the given argument values.
protected reactor.core.publisher.Mono<Object[]>	toArgsMono(Object[] args)	Use this method to resolve the arguments asynchronously.

Methods inherited from class org.springframework.graphql.data.method.HandlerMethod

assertTargetBean, createWithResolvedBean, equals, findProvidedArgument, formatArgumentError, formatInvokeError, getBean, getBeanType, getBridgedMethod, getMethod, getMethodAnnotation, getMethodParameters, getReturnType, getReturnValueType, getShortLogMessage, hashCode, hasMethodAnnotation, isVoid, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

InvocableHandlerMethodSupport

protected InvocableHandlerMethodSupport(HandlerMethod handlerMethod,
 @Nullable
 Executor executor)

Create an instance.

Parameters:

handlerMethod - the controller method

executor - an Executor to use for Callable return values

Method Details

doInvoke

@Nullable
protected Object doInvoke(GraphQLContext graphQLContext,
 Object... argValues)

Invoke the handler method with the given argument values.

Parameters:

argValues - the values to use to invoke the method

Returns:

the value returned from the method or a Mono<Throwable> if the invocation fails.

toArgsMono

protected reactor.core.publisher.Mono<Object[]> toArgsMono(Object[] args)

Use this method to resolve the arguments asynchronously. This is only useful when at least one of the values is a Mono