Rule Based Security using Microsoft Enterprise Library and CAS

using System;
using System.Data;
using System.Configuration;
using System.Security.Permissions;
using System.Security;

namespace Shokr.Security.RuleBasedSecurity
{
    public class RulesSecurityPermissionAttribute : CodeAccessSecurityAttribute
    {
        public RulesSecurityPermissionAttribute(SecurityAction action)
            : base(action)
        {
            
        }

        public override IPermission CreatePermission()
        {
            return new RulesSecurityPermission(Rule);
        }
        
        private string _role;
        public string Rule
        {
            get
            {
                return this._role;
            }
            set
            {
                this._role = value;
            }
        }
    }
}