HttpRuntimeカスタムタイミング更新キャッシュ

9362 ワード

キャッシュ更新クラスは次のとおりです.
    /// <summary>
    ///  
    /// </summary>
    /// <typeparam name="T"> </typeparam>
    public class UpdateCacheHelper<T>
    {
        /// <summary>
        ///  
        /// </summary>
        private System.Threading.Timer timer;

        /// <summary>
        ///  ( )
        /// </summary>
        private int saveTime;

        /// <summary>
        ///  ( )
        /// </summary>
        private int intervalTime = 10 * 1000;

        /// <summary>
        ///  
        /// </summary>
        private string cacheKey = string.Empty;

        /// <summary>
        ///  
        /// </summary>
        private Delegate dele;

        /// <summary>
        ///  
        /// </summary>
        private object[] objs;

        /// <summary>
        ///  
        /// </summary>
        /// <param name="dele"> </param>
        /// <param name="cacheKey">key</param>
        /// <param name="saveTime"> ( )</param>
        /// <param name="intervalTime"> ( )</param>
        /// <param name="objs"> </param>
        public UpdateCacheHelper(Delegate dele, string cacheKey, int saveTime, int intervalTime, params object[] objs)
        {
            this.dele = dele;
            this.cacheKey = cacheKey;
            this.saveTime = saveTime;
            this.intervalTime = intervalTime * 1000;
            this.objs = objs;
            this.timer = new System.Threading.Timer(new System.Threading.TimerCallback(this.CheckDependencyCallBack), this, 0, this.intervalTime);
        }

        /// <summary>
        ///  
        /// </summary>
        /// <returns> </returns>
        public T GetData()
        {
            string assemblyName = this.dele.Target.GetType().Assembly.FullName;
            string typeName = this.dele.Target.GetType().FullName;

            object instance = Assembly.Load(assemblyName).CreateInstance(typeName);

            MethodInfo methodInfo = this.dele.Method;

            return (T)methodInfo.Invoke(instance, this.objs);
        }

        /// <summary>
        ///  
        /// </summary>
        /// <param name="sender">sender</param>
        private void CheckDependencyCallBack(object sender)
        {
            T newData = this.GetData();
            HttpRuntime.Cache.Insert(this.cacheKey, newData, null, Cache.NoAbsoluteExpiration, new TimeSpan(0, this.saveTime, 0), CacheItemPriority.NotRemovable, null);
        }
    }