bo/AppServer/Data/KeyScalarDate.cs

using System;

namespace BO.AppServer.Data
{
    public class KeyScalarDate : IEquatable<KeyScalarDate>
    {

        public int Day { get; set; }
        public int Month { get; set; }
        public int Year { get; set; }

        public bool Equals(KeyScalarDate other)
        {
            if (other == null)
                return false;
            return Day == other.Day && Year == other.Year && Month == other.Month;
        }

        public override bool Equals(object obj)
        {
            if (ReferenceEquals(null, obj)) return false;
            if (ReferenceEquals(this, obj)) return true;
            if (obj.GetType() != this.GetType()) return false;
            return Equals((KeyScalarDate)obj);
        }

        public override int GetHashCode()
        {
            return (Day * Month * Year).GetHashCode();
        }

        public static bool operator ==(KeyScalarDate left, KeyScalarDate right)
        {
            return Equals(left, right);
        }

        public static bool operator !=(KeyScalarDate left, KeyScalarDate right)
        {
            return !Equals(left, right);
        }
    }
}