public interface IBaseComparable<T>  where T : IComparable<T>
    {
        bool Compare(ConditionOperator typeOperator, T x, T y);
        bool Compare(ConditionOperator typeOperator, T x1, T x2, T y);
    }

    public class BaseComparable<T> : IBaseComparable<T> where T : IComparable<T>
    {
        public virtual bool Compare(ConditionOperator typeOperator, T x, T y)
        {
            switch (typeOperator)
            {
                default: return false;
            }
        }

        public virtual bool Compare(ConditionOperator typeOperator, T x1, T x2, T y)
        {
            switch (typeOperator)
            {
                default: return false;
            }
        }

    }

   public class BoolComparable : BaseComparable<bool>
    {
        public override bool Compare(ConditionOperator typeOperator, bool x, bool y)
        {
            return base.Compare(typeOperator, x, y);
        }

        public override bool Compare(ConditionOperator typeOperator, bool x1, bool x2, bool y)
        {
            return false;
        }
    }