public interface ICacheStrategy
    {
        /// <summary>
        /// 添加數據到緩存
        /// </summary>
        /// <param name="objId">緩存名稱</param>
        /// <param name="o">緩存內容</param>
        /// <param name="second">緩存時間(秒)</param>
        void Add(string objId, object o, int second);

        /// <summary>
        /// 添加數據到緩存 (依賴其它緩存)
        /// </summary>
        /// <param name="objId">緩存名稱</param>
        /// <param name="o">緩存內容</param>
        /// <param name="second">緩存時間(秒)</param>
        /// <param name="dependKey">依賴緩存名稱數組</param>
        void AddCacheDepend(string objId, object o, int second, string[] dependKey);

        /// <summary>
        /// 添加數據到緩存 (依賴文件)
        /// </summary>
        /// <param name="objId">緩存名稱</param>
        /// <param name="o">緩存內容</param>
        /// <param name="second">緩存時間(秒)</param>
        /// <param name="files">依賴緩存名稱文件名數組</param>
        void AddFileDepend(string objId, object o, int second, string[] files);

        /// <summary>
        /// 刪除指定緩存
        /// </summary>
        /// <param name="objId"></param>
        void RemoveCache(string objId);

        /// <summary>
        /// 刪除所有緩存
        /// </summary>
        void RemoveCacheAll();

        /// <summary>
        /// 刪除匹配到的緩存
        /// </summary>
        /// <param name="pattern"></param>
        /// <returns></returns>
        void RemoveCacheRegex(string pattern);

        /// <summary>
        /// 獲取所有緩存鍵
        /// </summary>
        /// <returns></returns>
        IList<string> GetCacheKeys();

        /// <summary>
        /// 搜索 匹配到的緩存
        /// </summary>
        /// <param name="pattern"></param>
        /// <returns></returns>
        IList<string> SearchCacheRegex(string pattern);

        /// <summary>
        /// 獲得緩存數據
        /// </summary>
        /// <param name="objId"></param>
        /// <returns></returns>
        object GetCacheData(string objId);

        /// <summary>
        /// 判斷此緩存是否有效
        /// </summary>
        /// <param name="objID"></param>
        /// <returns></returns>
        bool HasCache(string objID);
    }