public interface HandlerMethodArgumentResolver
| Modifier and Type | Method and Description |
|---|---|
Object |
resolveArgument(MethodParameter parameter,
DataFetchingEnvironment environment)
Resolves a method parameter into an argument value from a given request.
|
boolean |
supportsParameter(MethodParameter parameter)
Whether the given method parameter is
supported by this resolver.
|
boolean supportsParameter(MethodParameter parameter)
parameter - the method parameter to checktrue if this resolver supports the supplied parameter;
false otherwise@Nullable Object resolveArgument(MethodParameter parameter, DataFetchingEnvironment environment) throws Exception
ModelAndViewContainer provides access to the model for the
request. A WebDataBinderFactory provides a way to create
a WebDataBinder instance when needed for data binding and
type conversion purposes.parameter - the method parameter to resolve. This parameter must
have previously been passed to supportsParameter(org.springframework.core.MethodParameter) which must
have returned true.environment - the GraphQL DataFetchingEnvironmentnull if not resolvableException - in case of errors with the preparation of argument values