graphql.execution.DataFetcherExceptionHandler Maven / Gradle / Ivy
package graphql.execution;
import graphql.PublicSpi;
import graphql.schema.DataFetcher;
import graphql.schema.DataFetchingEnvironment;
/**
* This is called when an exception is thrown during {@link graphql.schema.DataFetcher#get(DataFetchingEnvironment)} execution
*/
@PublicSpi
public interface DataFetcherExceptionHandler {
/**
* When an exception during a call to a {@link DataFetcher} then this handler
* is called back to shape the error that should be placed in the list of errors
*
* @param handlerParameters the parameters to this callback
*
* @return a result that can contain custom formatted {@link graphql.GraphQLError}s
*/
DataFetcherExceptionHandlerResult onException(DataFetcherExceptionHandlerParameters handlerParameters);
}