public static PredictorPredictContext GetPredictContext(this Lite <PredictorEntity> predictor)
{
lock (TrainedPredictorCache)
return(TrainedPredictorCache.GetOrCreate(predictor, () =>
{
using (ExecutionMode.Global())
using (var t = Transaction.ForceNew())
{
var p = predictor.RetrieveAndRemember();
if (p.State != PredictorState.Trained)
{
throw new InvalidOperationException($"Predictor '{p.Name}' not trained");
}
PredictorPredictContext ppc = CreatePredictContext(p);
return t.Commit(ppc);
}
}));
}
