DataFetcherExceptionHandler (graphql-java 25.0.beta-1 API)

All Known Implementing Classes:: SimpleDataFetcherExceptionHandler

@PublicSpi public interface DataFetcherExceptionHandler

This is called when an exception is thrown during DataFetcher.get(DataFetchingEnvironment) execution

Method Summary

Modifier and Type

Method

Description

CompletableFuture<DataFetcherExceptionHandlerResult>

handleException(DataFetcherExceptionHandlerParameters handlerParameters)

When an exception occurs during a call to a DataFetcher then this handler is called to shape the errors that should be placed in the ExecutionResult.getErrors() list of errors.

Method Details
- handleException
  
  CompletableFuture<DataFetcherExceptionHandlerResult> handleException(DataFetcherExceptionHandlerParameters handlerParameters)
  
  When an exception occurs during a call to a DataFetcher then this handler is called to shape the errors that should be placed in the ExecutionResult.getErrors() list of errors.
  
  Parameters:
  
  handlerParameters - the parameters to this callback
  
  Returns:
  
  a result that can contain custom formatted GraphQLErrors