public static string GetByMinutes(Guid SiteId, Guid PageId, int CacheMinutes, Dictionary <string, string> querystring, long version = -1)
{
var hashkey = PageCacheItem.ComputeHash(querystring);
var siteitems = GetSiteCaches(SiteId);
if (siteitems.ContainsKey(PageId))
{
var item = siteitems[PageId];
if (item != null && item.QueryStringHash == hashkey)
{
// force update when page version change.
if (version > 0 && item.Version != version)
{
return(null);
}
// by minutes
var MinutesPast = DateTime.Now - item.LastModify;
if (MinutesPast.Minutes < CacheMinutes)
{
return(item.Result);
}
}
}
return(null);
}
public static void Set(Guid SiteId, Guid PageId, string Content, long Version, Dictionary <string, string> querystring)
{
var siteitems = GetSiteCaches(SiteId);
var cacheitem = new PageCacheItem();
cacheitem.Result = Content;
cacheitem.LastModify = DateTime.Now;
cacheitem.ObjectId = PageId;
cacheitem.Version = Version;
cacheitem.QueryString = querystring;
siteitems[PageId] = cacheitem;
}
public static string GetByVersion(Guid SiteId, Guid PageId, long Version, Dictionary <string, string> querystring = null)
{
var hashkey = PageCacheItem.ComputeHash(querystring);
var siteitems = GetSiteCaches(SiteId);
if (siteitems.ContainsKey(PageId))
{
var item = siteitems[PageId];
if (item != null && item.QueryStringHash == hashkey)
{
// by version.
if (Version == item.Version)
{
return(item.Result);
}
}
}
return(null);
}