public ModelPoolLoader(ModelPredictionEngineOptions <TInput, TPrediction> options)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_mlContext = _options.ServiceProvider.GetRequiredService <IOptions <MLContextOptions> >().Value.MLContext
?? throw new NullReferenceException("MLContext instance is missing");
_logger = _options.ServiceProvider.GetRequiredService <ILoggerFactory>().CreateLogger(nameof(ModelPoolLoader <TInput, TPrediction>));
LoadPool();
_changeToken = ChangeToken.OnChange(
() => _options.GetReloadToken(),
() => LoadPool());
}
public ModelPredictionEngineObjectPool(
Func <ModelPredictionEngineOptions <TData, TPrediction> > options,
ILoggerFactory loggerFactory)
{
_funcOptions = options ?? throw new ArgumentNullException(nameof(options));
_logger = loggerFactory.CreateLogger(nameof(ModelPredictionEngineObjectPool <TData, TPrediction>))
?? throw new ArgumentNullException(nameof(loggerFactory));
_options = _funcOptions();
LoadPool();
_changeToken = ChangeToken.OnChange(
() => _options.GetReloadToken(),
() => LoadPool());
}