[Enterprise Library for. NET Framework 2.0] cache using subtotals

Key code:

usingMicrosoft.Practices.EnterpriseLibrary.Caching;usingMicrosoft.Practices.EnterpriseLibrary.Caching.Expirations;usingSystem;namespaceetlutilhelpv2{// <summary>    /// Enterprise Library for. NET Framework 2.0 Cache tool Classes    // </summary>     Public classETLCacheToolV2 {/** In caching Application block, the following four ways to save cached data are provided,* respectively: Memory storage (default), isolated storage (Isolated Storage),* Database Cache Storage and custom cache (Storage). *in-memory: In memory. *isolated Storage Cache Store: The system saves cached information in a separate file (C:\users\<<user Name>>\appdata\local\isolatedstora GE). *data Cache Storage: Saves cached data in the database. (Need to run Createcachingdatabase.sql script)*custom Cache Storage: self-expanding processor. We can save the data in the registry or in a text file.          ** Cache level, 4 cache levels are already available in the cache module of the Enterprise Library: Low,normal,high and notremovable, which automatically removes objects based on the cache level after exceeding the maximum number of caches. * Expiration mode, the Enterprise Library default provides 4 kinds of expiration* Absolutetime: Absolute time expires, passing a time object specified to expire* Slidingtime: The cache expires after the last visit, the default is 2 minutes, 2 constructors can specify an expiration time or specify an expiration time and a last used* Extendedformattime: Specify the expiration format, in a specific format to expire, through the ExtendedFormat.cs class to wrap the expiration method, specifically can refer to ExtendedFormat.cs, the source code has given a lot of ways* Filedependency: dependent on the expiration of the file, when the dependent files are modified to expire, this I think is very useful, because in many sites, such as forums, news systems and so on need a lot of configuration, you can cache the profile information, the dependency is set as a profile, This allows the user to automatically re-cache the configuration file after it has been changed by Icacheitemrefreshaction.refresh.          */        /////<summary>        /////Custom Cache refresh Operations        /////</summary>        //[serializable]        //public class Cacheitemrefreshaction:icacheitemrefreshaction        //{        //#region Icacheitemrefreshaction members        ////<summary>        /////Custom refresh Operation        ////</summary>        //////<param Name= "Removedkey" > Removed keys </param>        /////<param Name= "Expiredvalue" > Expired value </param>        /////<param Name= "Removalreason" > Removal reasons </param>        //void Icacheitemrefreshaction.refresh (String Removedkey, Object Expiredvalue, CacheItemRemovedReason Removalreason)        //    {        //if (Removalreason = = cacheitemremovedreason.expired)        //        {        //CacheManager cache = Cachefactory.getcachemanager ();        //cache. ADD (Removedkey, expiredvalue);        //        }        //    }        //#endregion        //}        StaticCacheManager cachemgr =NULL;StaticETLCacheToolV2 () {cachemgr = Cachefactory.getcachemanager (); }// <summary>        /// get CacheManager instance        // </summary>        // <returns>CacheManager</returns>         Public StaticCacheManager Instance () {returnCachemgr; }// <summary>        /// Add cache        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>         Public Static voidADD (stringKeyObject value) {Cachemgr.add (key,value); }// <summary>        /// Add Cache _ Sliding Expiration _ hours        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        /// <param name= "Hour" > Hours </param>         Public Static voidAddwithhour (stringKeyObject value,intHour) {Cachemgr.add (key,value, Cacheitempriority.normal,NULL,NewSlidingtime (Timespan.fromhours (hour))); }// <summary>        /// Add Cache _ Sliding Expiration _ days        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        // <param name= "Days" > Day </param>         Public Static voidAddwithday (stringKeyObject value,intDays) {Cachemgr.add (key,value, Cacheitempriority.normal,NULL,NewSlidingtime (Timespan.fromdays (days))); }// <summary>        /// Add Cache _ Sliding expiration _ milliseconds        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        // <param name= "millisecond" > Ms </param>         Public Static voidAddwithmillisecond (stringKeyObject value,intMillisecond) {Cachemgr.add (key,value, Cacheitempriority.normal,NULL,NewSlidingtime (Timespan.frommilliseconds (millisecond))); }// <summary>        /// Add Cache _ Sliding expiration _ minutes        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        /// <param name= "Minutes" > Min </param>         Public Static voidAddwithminutes (stringKeyObject value,intminutes) {Cachemgr.add (key,value, Cacheitempriority.normal,NULL,NewSlidingtime (Timespan.fromminutes (minutes))); }// <summary>        /// Add Cache _ Sliding expiration _ seconds        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        // <param name= "seconds" > S </param>         Public Static voidAddwithseconds (stringKeyObject value,intseconds) {Cachemgr.add (key,value, Cacheitempriority.normal,NULL,NewSlidingtime (timespan.fromseconds (seconds))); }// <summary>        /// Add Cache _ Sliding Expiration _ file Dependency        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        /// <param name= "FilePath" > File path </param>         Public Static voidAddFileDependency (stringKeyObject value,stringFilePath) {Filedependency _filedependency =NewFiledependency (FilePath); Cachemgr.add (Key,value, Cacheitempriority.normal,NULL, _filedependency); }// <summary>        /// Add Cache _ Sliding Expiration _ hours        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        /// <param name= "Hour" > Hours </param>        /// <param name= "refreshaction" >ICacheItemRefreshAction</param>         Public Static voidAddwithhour (stringKeyObject value,intHour, icacheitemrefreshaction refreshaction) {Cachemgr.add (key,value, Cacheitempriority.normal, Refreshaction,NewSlidingtime (Timespan.fromhours (hour))); }// <summary>        /// Add Cache _ Sliding Expiration _ days        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        // <param name= "Days" > Day </param>        /// <param name= "refreshaction" >ICacheItemRefreshAction</param>         Public Static voidAddwithday (stringKeyObject value,intDays, Icacheitemrefreshaction refreshaction) {Cachemgr.add (key,value, Cacheitempriority.normal, Refreshaction,NewSlidingtime (Timespan.fromdays (days))); }// <summary>        /// Add Cache _ Sliding expiration _ milliseconds        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        // <param name= "millisecond" > Ms </param>        /// <param name= "refreshaction" >ICacheItemRefreshAction</param>         Public Static voidAddwithmillisecond (stringKeyObject value,intMillisecond, icacheitemrefreshaction refreshaction) {Cachemgr.add (key,value, Cacheitempriority.normal, Refreshaction,NewSlidingtime (Timespan.frommilliseconds (millisecond))); }// <summary>        /// Add Cache _ Sliding expiration _ minutes        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        /// <param name= "Minutes" > Min </param>        /// <param name= "refreshaction" >ICacheItemRefreshAction</param>         Public Static voidAddwithminutes (stringKeyObject value,intMinutes, icacheitemrefreshaction refreshaction) {Cachemgr.add (key,value, Cacheitempriority.normal, Refreshaction,NewSlidingtime (Timespan.fromminutes (minutes))); }// <summary>        /// Add Cache _ Sliding expiration _ seconds        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        // <param name= "seconds" > S </param>        /// <param name= "refreshaction" >ICacheItemRefreshAction</param>         Public Static voidAddwithseconds (stringKeyObject value,intseconds, icacheitemrefreshaction refreshaction) {Cachemgr.add (key,value, Cacheitempriority.normal, Refreshaction,NewSlidingtime (timespan.fromseconds (seconds))); }// <summary>        /// Add Cache _ Sliding Expiration _ file Dependency        // </summary>        // <param name= "key" > Keys </param>        // <param name= "value" > Value </param>        /// <param name= "FilePath" > File path </param>        /// <param name= "refreshaction" >ICacheItemRefreshAction</param>         Public Static voidAddFileDependency (stringKeyObject value,stringFilePath, Icacheitemrefreshaction refreshaction) {filedependency _filedependency =NewFiledependency (FilePath); Cachemgr.add (Key,value, Cacheitempriority.normal, Refreshaction, _filedependency); }// <summary>        // Empty cache        // </summary>         Public Static voidFlush () {Cachemgr.flush (); }// <summary>        /// move out Cache        // </summary>        /// <param name= "key" ></param>         Public Static voidRemove (stringKey) {if(Cachemgr.contains (key))        Cachemgr.remove (key); }// <summary>        /// Get Cache        // </summary>        // <param name= "key" > Keys </param>        /// <returns> value </returns>         Public Static ObjectGetData (stringKey) {if(Cachemgr.contains (key))returnCachemgr.getdata (key);return NULL; }// <summary>        /// Get Cache        // </summary>        /// <typeparam name= "T" > Generics </typeparam>        // <param name= "key" > Keys </param>        /// <returns> value </returns>         Public StaticT getdata<t> (stringKey) {if(Cachemgr.contains (key))returnT Cachemgr.getdata (key);return default(T); }    }}

Hope to be helpful!