private static void RemoveCacheEntry(object key, object value, EvictionReason reason, object state)
{
if (value is MediaBuffer buffer)
{
buffer.Release();
}
}
private async void PostEvictionCallback(object key, object value, EvictionReason reason, object state)
{
try
{
var credentials =
(await this.metaService.GetSettingsAsync()).GetAzureDevOpsCredentialsOrThrowException();
var match = FeedRegex.Match(key.ToString());
// Regenerate a set of updated data
var feed = this.mapper.Map <Models.Feed>(
await this.client.GetFeedAsync(
new ApiUser(credentials.Username, credentials.Token),
match.Groups["Name"].Value,
"Prerelease"));
this.cache.Set($"feeds:<{match.Groups["Name"].Value}>", feed, DataCacheTimeout);
// Re-set the cache to be reloaded in 35min
this.UpdateReset(match.Groups["Name"].Value);
}
catch (Exception exception)
{
this.logger.LogError(exception, "Error while fetching the packages feed.");
}
}
/// <summary>
/// Called when an item is removed from the index.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <param name="reason">The reason.</param>
/// <param name="state">The state.</param>
protected void EvictionCallback(object key, object?value, EvictionReason reason, object state)
{
if (EvictionReason.Expired == reason || reason == EvictionReason.Capacity || reason == EvictionReason.TokenExpired)
{
TagIndex.Remove(key);
}
}
private static void InvokeCallbacks(CacheEntry entry)
{
var callbackRegistrationList = Interlocked.Exchange(ref entry._postEvictionCallbacks, null);
if (callbackRegistrationList == null)
{
return;
}
foreach (var callbackRegistration in callbackRegistrationList)
{
try
{
PostEvictionDelegate evictionCallback = callbackRegistration.EvictionCallback;
if (evictionCallback != null)
{
object key = entry.Key;
object obj = entry.Value;
EvictionReason evictionReason = entry.EvictionReason;
object state = callbackRegistration.State;
evictionCallback.Invoke(key, obj, evictionReason, state);
}
}
catch (Exception ex)
{
}
}
}
private void OnCacheRecordExpire(object key,
object value,
EvictionReason reason,
object state)
{
recordsKeyList.Remove((string)key);
}
private static void PostEvictionDelegateWrapper(object key, object value, EvictionReason reason, object state, Action <string, object, CacheRemovalReason> removalCallback)
{
string s;
bool removed = StandardCacheHelper.CacheKeys.TryRemove(key.ToString(), out s); // track independently of memory cache
removalCallback?.Invoke(key.ToString(), value, ConvertRemovedReason(reason));
}
private void EvictionCallback(object key, object value, EvictionReason reason, object state)
{
if (reason == EvictionReason.Expired || reason == EvictionReason.Capacity || reason == EvictionReason.Removed)
{
this._keys.Remove(key.ToString());
}
}
private void CacheItemRemoved(object key, object value, EvictionReason reason, object state)
{
if (value != null && value is CacheItem)
{
((CacheItem)value).Dispose();
}
}
private void ChangeTokenEvicted(object key, object value, EvictionReason reason, object state)
{
if (value is DependencyChangeToken dependencyChangeToken)
{
dependencyChangeToken.NotifyChanged();
}
}
// Handle cache item expiring
private void OnRemovedFromCache(object key, object value, EvictionReason reason, object state)
{
if (reason != EvictionReason.Expired)
{
return;
}
// Now actually handle file event
var e = (FileSystemEventArgs)value;
var msg = $"Uploading file {e.FullPath} {e.ChangeType}";
_logger.LogDebug(msg);
try
{
var response = _uploadService.Upload(_settings.Username, e.FullPath).Result;
_logger.LogDebug(response);
_logger.LogDebug("Upload completed");
}
catch (UploadException ex)
{
_logger.LogError(ex.Message);
}
}
private void EvictionNotice(object key, object value, EvictionReason reason, object state)
{
if (reason != EvictionReason.Replaced && reason != EvictionReason.Removed)
{
logger?.LogDebug($"Cache Key {key} evicted for reason: {reason} ");
}
}
public void SetOverwritesWithReplacedReason()
{
var cache = CreateCache();
var value1 = new object();
string key = "myKey";
var callback1Invoked = new ManualResetEvent(false);
EvictionReason actualReason = EvictionReason.None;
var options1 = new MemoryCacheEntryOptions();
options1.PostEvictionCallbacks.Add(new PostEvictionCallbackRegistration()
{
EvictionCallback = (subkey, subValue, reason, state) =>
{
actualReason = reason;
var localCallbackInvoked = (ManualResetEvent)state;
localCallbackInvoked.Set();
},
State = callback1Invoked
});
var result = cache.Set(key, value1, options1);
Assert.Same(value1, result);
var value2 = new object();
result = cache.Set(key, value2);
Assert.True(callback1Invoked.WaitOne(TimeSpan.FromSeconds(3)), "Callback1");
Assert.Equal(EvictionReason.Replaced, actualReason);
}
private void EvictionCallback(object key, object value,
EvictionReason reason, object state)
{
var message = $"Entry was evicted. Reason: {reason}.";
_cache.Set("", message);
}
private void ItemRemoved(object key, object value, EvictionReason reason, object state)
{
var strKey = key as string;
if (string.IsNullOrWhiteSpace(strKey))
{
return;
}
if (reason == EvictionReason.Removed)
{
return;
}
if (strKey.Contains(":"))
{
if (strKey.Contains("@"))
{
var region = Regex.Match(strKey, "@(.+?):").Groups[1].Value;
this.Stats.OnRemove(region);
}
else
{
this.Stats.OnRemove();
}
}
}
private void OnPostEvictionCallback(object key, object value, EvictionReason reason, object state)
{
if (reason == EvictionReason.Removed)
{
this.OnChanged(new CacheChangedEventArgs(this.ConvertReason(reason), key.ToString(), value));
}
}
private static void EvictionCallback(object key, object value, EvictionReason reason, object state)
{
if (value is IDisposable disposable)
{
disposable.Dispose();
}
}
private void onDropCacheEntry(object key, object value, EvictionReason reason, object state)
{
var logger = (ILogger <ImageCacheMiddleware>)state;
logger.LogInformation($"Image [{value}] will be removed [{reason}] from cache");
File.Delete((string)value);
}
private void PostEvictionCallback(object key, object value, EvictionReason reason, object state)
{
if (reason != EvictionReason.Replaced)
{
this._cacheEntries.TryRemove(key, out var _);
}
}
virtual protected void PostEvictionCallback(object key, object value, EvictionReason reason, object state)
{
var cachable = value as ICachable;
Interlocked.Add(ref _memoryUsed, -cachable.SizeInBytes);
Interlocked.Decrement(ref _itemsCount);
}
private void PostEvictionCallback(object key, object value, EvictionReason reason, object state)
{
if (reason != EvictionReason.TokenExpired)
{
return;
}
if (value is IDictionary <string, Queue <Func <bool> > > dictionary)
{
var projectChanged = false;
foreach (var keyValue in dictionary)
{
var actions = keyValue.Value;
while (actions.Count > 0)
{
var action = actions.Dequeue();
if (!projectChanged)
{
projectChanged = action?.Invoke() == true;
}
else
{
action?.Invoke();
}
}
}
GroupingCompleted?.Invoke(projectChanged);
}
}
private void CachedCallBack(object key, object value, EvictionReason reason, object state)
{
var s3readCount = GetFileFromS3(@"News/S3ReadCount.json").Result;
if (s3readCount == null)
{
// return new NewsCategories();
}
var s3count = DeserializeObject <NewsCategories>(s3readCount);
// var today = DateTime.Today.ToString("dd-MM-yyyy");
// var todaycount = new CategoryModel { CategoryId = 0, Name = $"{today}-CallBack" };
// if (s3count.Categories.Any(s => s.Name == $"{today}-CallBack"))
// todaycount = s3count.Categories.First(s => s.Name == $"{today}-CallBack");
// if (todaycount != null)
// {
// s3count.Categories.Remove(todaycount);
// }
// todaycount.CategoryId = todaycount.CategoryId + 1;
// s3count.Categories.Add(todaycount);
// var jsonString = JsonSerializer.Serialize(s3count);
//var update = SaveFileAsync(@"News/S3ReadCount.json", jsonString).Result;
}
private static void DependentEvictionCallback(object key, object value,
EvictionReason reason, object state)
{
var message = $"Parent entry was evicted. Reason: {reason}.";
((HomeController)state)._cache.Set(CacheKeys.DependentMessage, message);
}
protected override void EvictionCallback(object key, object value, EvictionReason reason, object state)
{
Logger.Verbose("{key} message evicted", (key as ByteString).ToCorrelationId());
var message = (CorrelatableMessage <ProtocolMessage>)value;
_evictionEvent.OnNext(new MessageEvictionEvent <ProtocolMessage>(message, message.Content.PeerId));
}
private void SetWeakReference(object key, object value, EvictionReason reason, object state)
{
if (reason == EvictionReason.Expired)
{
_memoryCache.Set(key, new WeakReference(value));
}
}
private static void MyCallBack(object key, object value, EvictionReason reason, object state)
{
var message = $"Cache entry was removed : {reason}";
((DemoController)state)
?.memoryCache
?.Set <string>("callBackMessage", message);
}
private void OnCacheRecordExpire(object key,
object value,
EvictionReason reason,
object state)
{
lock (syncObject)
recordsKeys.Remove((string)key, out _);
}
public static void PostEvictionCallback(object key,
object value, EvictionReason reason, object state)
{
var message = $"Cache entry {key} => {value} was removed : {reason}";
//_theLock.TryRemove(key: (TKey)key, value: out TValue o);
Debug.WriteLine(message);
}
private void CallbackForDeleteClient(object key, object value, EvictionReason reason, object state)
{
if (reason == EvictionReason.Expired)
{
_logger.LogDebug($"CallbackForDeleteClient call expire");
_badDisconnectSocketService.DisconnectClient(key.ToString());
}
}
private static void CacheActionAllRemovedCallback(object key, object value, EvictionReason reason, object state)
{
// Do something clever on cache Key removed.
if (reason == EvictionReason.Capacity)
{
// Log memory issues for cache.
}
}
private void MyCallback(object key, object value, EvictionReason reason, object state)
{
var message = $"Cache entry state change:{key} {value} {reason} {state}";
_memoryCache.Set("callbackMessage", message);
Console.WriteLine(message);
}
internal void SetExpired(EvictionReason reason)
{
IsExpired = true;
if (EvictionReason == EvictionReason.None)
{
EvictionReason = reason;
}
DetachTokens();
}
protected virtual void PostEvictionCallback(object key, object value, EvictionReason reason, object state)
{
var collection = value as StatCollection;
if (collection != null)
{
collection.IsEvicted = true;
}
var record = value as StatRecord;
if (record != null)
{
record.Collection = null;
}
//Console.Write("E");
}
protected override void PostEvictionCallback(object key, object value, EvictionReason reason, object state)
{
var collection = value as StatCollection;
if (collection != null)
{
Task.Run(() =>
{
collection.IsEvicted = true;
var task = StoreCollection(collection, true);
task.ConfigureAwait(false);
task.Wait();
Console.Write("E");
collection.Records.Clear();
}).ConfigureAwait(false);
}
var record = value as StatRecord;
if (record != null)
{
record.Collection = null;
}
}
private void AfterEvicted(string key, object value, EvictionReason reason, object state)
{
Console.WriteLine("Evicted. Value: " + value + ", Reason: " + reason);
}
