using System;

namespace BLToolkit.DataAccess
{
    [AttributeUsage(AttributeTargets.Parameter), CLSCompliant(false)]
    public abstract class Direction : Attribute
    {
        protected string[] _members;
        public    string[]  Members
        {
            get { return _members;  }
            set { _members = value; }
        }

        public class OutputAttribute : Direction
        {
            public OutputAttribute(params string[] members)
            {
                _members = members;
            }
        }

        public class InputOutputAttribute : Direction
        {
            public InputOutputAttribute(params string[] members)
            {
                _members = members;
            }
        }

        public class IgnoreAttribute : Direction
        {
            public IgnoreAttribute(params string[] members)
            {
                _members = members;
            }
        }

        public class ReturnValueAttribute : Direction
        {
            protected string _member;
            public    string  Member
            {
                get { return _member;  }
                set { _member = value; }
            }

            public ReturnValueAttribute(string member)
            {
                _member = member;
            }
        }
    }
}