private void FireCachingServiceItemTurnoverEventAddItems() { CachingServiceItemTurnoverEvent.FireAddItems(1); }
public void Add(string key, object value, CacheItemPriority scavengingPriority, ICacheItemRefreshAction refreshAction, params ICacheItemExpiration[] expirations) { ValidateKey(key); EnsureCacheInitialized(); CacheItem cacheItemBeforeLock = null; bool lockWasSuccessful = false; do { lock (inMemoryCache.SyncRoot) { if (inMemoryCache.Contains(key) == false) { cacheItemBeforeLock = new CacheItem(key, addInProgressFlag, CacheItemPriority.NotRemovable, null); inMemoryCache[key] = cacheItemBeforeLock; } else { cacheItemBeforeLock = (CacheItem)inMemoryCache[key]; } lockWasSuccessful = Monitor.TryEnter(cacheItemBeforeLock); } if (lockWasSuccessful == false) { Thread.Sleep(0); } } while (lockWasSuccessful == false); try { cacheItemBeforeLock.TouchedByUserAction(true); CacheItem newCacheItem = new CacheItem(key, value, scavengingPriority, refreshAction, expirations); try { backingStore.Add(newCacheItem); cacheItemBeforeLock.Replace(value, refreshAction, scavengingPriority, expirations); inMemoryCache[key] = cacheItemBeforeLock; } catch { backingStore.Remove(key); inMemoryCache.Remove(key); throw; } if (scavengingPolicy.IsScavengingNeeded(inMemoryCache.Count)) { cacheScavenger.StartScavenging(); } CachingServiceItemTurnoverEvent.FireAddItems(1); CachingServiceItemTurnoverEvent.SetItemsTotal(inMemoryCache.Count); } finally { Monitor.Exit(cacheItemBeforeLock); } }