3

We are creating a report page where we will display the cached data source / presentation . A button will be there to remove selected cached item.

Which Sitecore Api can we use to retrieve the list of cached items?

4

After searching on Sitecore API's i got Sitecore.Caching.CacheManager class which has method GetHtmlCache and it returns Sitecore.Caching.HtmlCache. With the below code I can retrieve the list of cache items.

            List<Sitecore.Caching.Cache.CacheEntry> cacheList = new List<Sitecore.Caching.Cache.CacheEntry>();
       Sitecore.Sites.SiteContext siteContext = Sitecore.Sites.SiteContext.GetSite("SiteName");

            if (siteContext != null)
            {
               Sitecore.Caching.HtmlCache htmlCahe = Sitecore.Caching.CacheManager.GetHtmlCache(siteContext);
                var cacheKeys = htmlCahe.InnerCache.GetCacheKeys();

                foreach (var sKey in cacheKeys)
                {
                    Sitecore.Caching.Cache.CacheEntry entry = htmlCahe.InnerCache.GetEntry(sKey, false);

                    cacheList.Add(entry);

                }

            }
0

There are some good introductory articles about Sitecore caching, e.g. this one.

Generally you should use CacheManager to work with cache:

HtmlCache cache = Sitecore.Caching.CacheManager.GetHtmlCache(Sitecore.Context.Site);
cache.Remove(cacheKey);

Other methods related to removing items from cache are RemovePrefix() and RemoveKeysContaining().

  • Nice article, it has good information on caching. – Abhimanyu Singh Nov 28 '17 at 17:55

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