/// <summary> /// Extracts an item from a given instance by delegating the call to the wrapped mapping. /// </summary> /// <param name="instanceSource">The source of instances providing the <paramref name="instance"/>.</param> /// <param name="instance">The instance to extract the item from.</param> /// <returns>The extracted item.</returns> public TItem GetItem(SplitInstanceSource <TInstanceSource> instanceSource, TInstance instance) { if (instanceSource == null) { throw new ArgumentNullException(nameof(instanceSource)); } return(this.mapping.GetItem(instanceSource.InstanceSource, instance)); }
/// <summary> /// Extracts a rating from a given instance by delegating the call to the wrapped mapping. /// </summary> /// <param name="instanceSource">The instance source providing the <paramref name="instance"/>.</param> /// <param name="instance">The instance to extract the rating from.</param> /// <returns>The extracted rating.</returns> public TRating GetRating(SplitInstanceSource <TInstanceSource> instanceSource, TInstance instance) { if (instanceSource == null) { throw new ArgumentNullException("instanceSource"); } return(this.mapping.GetRating(instanceSource.InstanceSource, instance)); }
/// <summary> /// Retrieves a list of instances from a given instance source. /// Dependent on <see cref="SplitInstanceSource{TInstanceSource}.IsTrainingSet"/>, the instances of /// the training or test set are returned. /// </summary> /// <param name="instanceSource">The source to retrieve instances from.</param> /// <returns>The list of retrieved instances.</returns> public IEnumerable <TInstance> GetInstances(SplitInstanceSource <TInstanceSource> instanceSource) { if (instanceSource == null) { throw new ArgumentNullException(nameof(instanceSource)); } this.UpdateCachedInstances(instanceSource.InstanceSource); return(instanceSource.IsTrainingSet ? this.cachedTrainingSetInstances : this.cachedTestSetInstances); }