/// <summary>
        /// 向缓存中登记一个新的Token,将CustomerId作为唯一key
        /// </summary>
        /// <param name="property">对应的用户属性</param>
        /// <param name="EndTime">过期时限</param>
        /// <returns>返回0为成功,其它为错误值</returns>
        public int AddToken(string tokenKey, TokenCacheProperty property, DateTime EndTime)
        {
            bool bFlag = mc.AddObject(tokenKey, property, EndTime);

            if (bFlag)
            {
                return(0);
            }
            else
            {
                return((int)CodeEnum.ApplicationErr);
            }
        }
        /// <summary>
        ///  以Token 更新 TokenCacheProperty 下的最后访问时间
        ///  注:这里会同时更新该token的property,在性能上可能存在隐患。
        /// </summary>
        /// <param name="tokenKey">CustomerToken</param>
        /// <param name="property">对应的用户属性</param>
        /// <param name="EndTime">过期时限</param>///
        ///  <returns></returns>
        public int RefreshAccessTime(string tokenKey, TokenCacheProperty property, DateTime EndTime)
        {
            bool bFlag = mc.UpdateObject(tokenKey, property, EndTime);

            if (bFlag)
            {
                return(0);
            }
            else
            {
                return((int)CodeEnum.ApplicationErr);
            }
        }
        /// <summary>
        /// 返回当期在线所有用户
        /// </summary>
        public IList <TokenCacheProperty> FindAll()
        {
            IList <TokenCacheProperty> tokenCachePropertyFlag = new List <TokenCacheProperty>();

            try
            {
                //用于查找标记为 customer_ 的信息
                string    customerTag     = "customer_";
                Hashtable resultHashtable = mc.GetStats(customerTag);
                foreach (string key in resultHashtable.Keys)
                {
                    TokenCacheProperty tcp = FindByCustomerToken(key);
                    tokenCachePropertyFlag.Add(tcp);
                }
            }
            catch
            {
                return(null);
            }
            return(tokenCachePropertyFlag);
        }