/// <summary>
/// Serialization constructor
/// </summary>
public TrainedModel(SerializationInfo info, StreamingContext context)
{
Properties = (ModelProperties)info.GetValue(nameof(Properties), typeof(ModelProperties));
ItemIdIndex = (string[])info.GetValue(nameof(ItemIdIndex), typeof(string[]));
byte[] sarModelBytes = (byte[])info.GetValue(nameof(RecommenderData), typeof(byte[]));
using (var stream = new MemoryStream(sarModelBytes))
{
using (var environment = new TlcEnvironment(verbose: true))
{
IPredictor predictor = ModelFileUtils.LoadPredictorOrNull(environment, stream);
RecommenderData = new ModelRecommenderData(predictor as IUserHistoryToItemsRecommender);
}
}
}
/// <summary>
/// Creates a new instance of the <see cref="TrainedModel"/> class.
/// </summary>
/// <param name="predictorModel">The predictor model</param>
/// <param name="properties">The model properties</param>
/// <param name="itemIdIndex">The indexed item ids </param>
internal TrainedModel(IPredictorModel predictorModel, ModelProperties properties, string[] itemIdIndex)
{
if (predictorModel == null)
{
throw new ArgumentNullException(nameof(predictorModel));
}
if (properties == null)
{
throw new ArgumentNullException(nameof(properties));
}
if (itemIdIndex == null)
{
throw new ArgumentNullException(nameof(itemIdIndex));
}
_predictorModel = predictorModel;
RecommenderData = new ModelRecommenderData(_predictorModel.Predictor as IUserHistoryToItemsRecommender);
Properties = properties;
ItemIdIndex = itemIdIndex;
}
