using System;

namespace BLToolkit.DataAccess
{
    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
    public sealed class PrimaryKeyAttribute : Attribute
    {
        public PrimaryKeyAttribute()
        {
            _order = -1;
        }

        public PrimaryKeyAttribute(int order)
        {
            _order = order;
        }

        private readonly int _order;
        public           int  Order
        {
            get { return _order; }
        }
    }
}