using System;

using BLToolkit.TypeBuilder.Builders;

namespace BLToolkit.Aspects
{
    /// <summary>
    /// http://www.bltoolkit.net/Doc/Aspects/index.htm
    /// </summary>
    [AttributeUsage(AttributeTargets.Parameter)]
    public sealed class NotNullAttribute : AbstractTypeBuilderAttribute
    {
        public NotNullAttribute()
        {
        }

        public NotNullAttribute(string message)
        {
            _message = message;
        }

        private string _message;
        public  string  Message
        {
            get { return _message;  }
            set { _message = value; }
        }

        public override IAbstractTypeBuilder TypeBuilder
        {
            get { return new Builders.NotNullAspectBuilder(_message); }
        }
    }
}