private static void AddSingularFeature <T>(
AnnotateImageRequest request,
AnnotateImageResponse fullResponse,
AnnotateImageResponse actualResponse,
FeatureType featureType,
Func <AnnotateImageResponse, T> extractor,
Action <AnnotateImageResponse, T> assigner)
{
if (request.Features.Any(f => f.Type == featureType))
{
assigner(actualResponse, extractor(fullResponse));
}
}
private static void AddRepeatedFeatures <T>(
AnnotateImageRequest request,
AnnotateImageResponse fullResponse,
AnnotateImageResponse actualResponse,
FeatureType featureType,
Func <AnnotateImageResponse, RepeatedField <T> > extractor)
{
var featureRequest = request.Features.Where(f => f.Type == featureType).FirstOrDefault();
if (featureRequest == null)
{
return;
}
var maxEntries = featureRequest.MaxResults == 0 ? int.MaxValue : featureRequest.MaxResults;
extractor(actualResponse).AddRange(extractor(fullResponse).Take(maxEntries));
}