using System;
using System.Collections.Generic;

namespace MuchInfo.Chart.Data.Interfaces
{
    /// <summary>
    /// 日期数据点接口
    /// </summary>
    public interface IDateDataPoint
    {
        /// <summary>
        /// 时间
        /// </summary>
        DateTime Date { get; set; }
    }

    /// <summary>
    /// 比较时间
    /// </summary>
    public class DataPointComparer<T> : IEqualityComparer<T>
        where T : IDateDataPoint
    {
        public bool Equals(T x, T y)
        {
            return x.Date.CompareTo(y.Date) == 0;
        }

        public int GetHashCode(T obj)
        {
            return obj.Date.GetHashCode();
        }
    }
}