protected static async Task <object> ExecuteResolverAsync(
ResolverTask resolverTask,
CancellationToken cancellationToken)
{
Activity activity = ResolverDiagnosticEvents.BeginResolveField(
resolverTask.ResolverContext);
object result = await ExecuteMiddlewareAsync(
resolverTask,
cancellationToken);
if (result is IQueryError error)
{
activity?.AddTag("error", "true");
}
ResolverDiagnosticEvents.EndResolveField(
activity,
resolverTask.ResolverContext,
result);
return(result);
}
protected static async Task <object> ExecuteResolverAsync(
ResolverTask resolverTask,
IErrorHandler errorHandler,
CancellationToken cancellationToken)
{
Activity activity = ResolverDiagnosticEvents.BeginResolveField(
resolverTask.ResolverContext);
object result = await ExecuteMiddlewareAsync(
resolverTask, errorHandler).ConfigureAwait(false);
if (result is IError || result is IEnumerable <IError> )
{
activity?.AddTag("error", "true");
}
ResolverDiagnosticEvents.EndResolveField(
activity,
resolverTask.ResolverContext,
result);
return(result);
}
private static async Task <object> ExecuteMiddlewareAsync(
ResolverTask resolverTask,
CancellationToken cancellationToken)
{
object result = null;
try
{
if (!resolverTask.FieldSelection.Field.IsIntrospectionField &&
resolverTask.HasMiddleware)
{
result = await ExecuteDirectiveMiddlewareAsync(
resolverTask,
cancellationToken);
}
else
{
result = await ExecuteFieldMiddlewareAsync(
resolverTask,
cancellationToken);
}
}
catch (QueryException ex)
{
result = ex.Errors;
}
catch (Exception ex)
{
ResolverDiagnosticEvents.ResolverError(
resolverTask.ResolverContext,
ex);
result = resolverTask.CreateError(ex);
}
return(result);
}
private static async Task <object> ExecuteMiddlewareAsync(
ResolverTask resolverTask,
IErrorHandler errorHandler)
{
object result = null;
try
{
if (!resolverTask.FieldSelection.Field.IsIntrospectionField &&
resolverTask.HasMiddleware)
{
result = await ExecuteDirectiveMiddlewareAsync(
resolverTask);
}
else
{
result = await ExecuteFieldMiddlewareAsync(
resolverTask);
}
}
catch (QueryException ex)
{
result = ex.Errors;
}
catch (Exception ex)
{
ResolverDiagnosticEvents.ResolverError(
resolverTask.ResolverContext,
ex);
result = errorHandler.Handle(ex, error => error
.WithPath(resolverTask.Path)
.WithSyntaxNodes(resolverTask.FieldSelection.Selection));
}
return(result);
}
