コード例 #1
0
        //
        // GET: /Home/
        public async Task <IActionResult> Index(
            [FromServices] IMusicStore musicStore,
            [FromServices] IMemoryCache cache)
        {
            // Get most popular albums
            var          cacheKey = "topselling";
            List <Album> albums;

            if (!cache.TryGetValue(cacheKey, out albums))
            {
                albums = await musicStore.GetTopSellingAlbumsAsync(6);

                if (albums != null && albums.Count > 0)
                {
                    if (_appSettings.CacheDbResults)
                    {
                        // Refresh it every 10 minutes.
                        // Let this be the last item to be removed by cache if cache GC kicks in.
                        cache.Set(
                            cacheKey,
                            albums,
                            new MemoryCacheEntryOptions()
                            .SetAbsoluteExpiration(TimeSpan.FromMinutes(10))
                            .SetPriority(CacheItemPriority.High));
                    }
                }
            }

            return(View(albums));
        }
コード例 #2
0
        protected override async Task <List <Model.Album> > RunAsync()
        {
            var top = CheckCache();

            if (top != null)
            {
                _logger.LogInformation("TopAlbum returning from cache!");
                return(top);
            }

            top = await _storeService.GetTopSellingAlbumsAsync(_count);

            CacheResults(top);

            _logger.LogInformation("TopAlbum returned from store!");
            return(top);
        }