namespace AnalyticsDAL.DTO.Warehouse
{
    /// <summary>Kimball measure-additivity classification — mirrors MWAREHOUSEMEASURE.ADDITIVITYTYPE.
    /// Drives whether IAnalysisAggregationService accepts or rejects a requested aggregation.</summary>
    public enum AdditivityType : byte
    {
        /// <summary>Safely summable across any dimension, including time.</summary>
        Additive = 0,

        /// <summary>Summable across most dimensions, but NOT across SemiAdditiveDimension
        /// (typically a point-in-time balance such as a cash or receivable balance).</summary>
        SemiAdditive = 1,

        /// <summary>Already an aggregated ratio/average (e.g. average bill value) — only
        /// None/MAX/MIN are valid; SUM/AVG over it is meaningless.</summary>
        NonAdditive = 2
    }
}