/// <summary>
/// Extracts a rating from a given instance.
/// </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 int GetRating(TInstanceSource instanceSource, RatingInstance <TUser, TItem, byte> instance)
{
this.UpdateInstanceRepresentation(instanceSource);
return(instance.Rating);
}
/// <summary>
/// Extracts an item from a given instance.
/// </summary>
/// <param name="instanceSource">The instance source 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(TInstanceSource instanceSource, RatingInstance <TUser, TItem, byte> instance)
{
this.UpdateInstanceRepresentation(instanceSource);
return(instance.Item);
}
