using System.ComponentModel.DataAnnotations.Schema;

namespace YLErp.DBModels
{
    /// <summary>
    /// 场内期权对冲波动率
    /// </summary>
    [Table("exchange_option_vol")]
    public class ExchangeOptionVol : IDataTraceV2, IClonable<ExchangeOptionVol>
    {
        public DateTime ValueDate { get; set; }

        public string OptionCode { get; set; }

        public double Volatility { get; set; }

        public ExchangeOptionVolUseFlag UseFlag { get; set; }

        public int? OptId { get; set; }

        public DateTime? OptDate { get; set; }

        public ExchangeOptionVol Clone()
        {
            return (ExchangeOptionVol)MemberwiseClone();
        }

        /// <summary>
        /// 使用样例:ExchangeOptionHedgeVolProvider,在add,modified,delete中都体现
        /// </summary>
        public string GetDataTraceKeyId()
        {
            return OptionCode;
        }

        public string GetDataTraceKeyInfo()
        {
            return "场内期权波动率:" + OptionCode;
        }
    }

    /// <summary>
    /// 使用标识，0：使用固定值，1：使用曲面波动率
    /// </summary>
    public enum ExchangeOptionVolUseFlag : byte
    {
        /// <summary>
        /// 固定值
        /// </summary>
        FixedValue = 0,

        /// <summary>
        /// 曲面波动率或隐含波动率
        /// </summary>
        SystemOrImpliedVol = 1
    }
}