public void OnBeforeGet(string key, TimeSpan timeout)
{
_logger.Log(LogLevel.Trace, string.Format("GreatEagle OnBeforeGet {0}", key));
if (_localCacheProvider == null)
{
return;
}
if (_localCacheProvider.Exists(key))
{
return;
}
var tempKey = string.Format(TempItemFormat, key);
// Check key exists on master
if (!_remoteCacheProvider.Exists(key))
{
// Key not exits
// Check temp key exists on master
if (!_remoteCacheProvider.Exists(tempKey))
{
return; // Temp key not exits
}
// Temp key exists, so wait for tribe member to finish his job
ThreadHelper.WaitFor(timeout);
}
//else
//{
// // TODO: Investigate
// // Key exists
// // Check also temp key exists to be sure is ongoing update operation exists
// if (_remoteCacheProvider.Exists(tempKey))
// {
// // If so wait for update
// ThreadHelper.WaitFor(timeout);
// }
//}
var task = new Task <InMemoryCacheItem>(() =>
{
var it = _remoteCacheProvider.Get <InMemoryCacheItem>(key, timeout);
return(it);
});
task.Start();
task.Wait(timeout);
if (!task.IsCompleted)
{
return;
}
var item = task.Result;
if (item == null)
{
return;
}
_localCacheProvider.Set(key, item.ValueObject, item.GetExpireTimeSpan());
}
internal void LoadFromRemoteInternal()
{
var keys = _remoteCacheProvider.AllKeys();
if (keys != null)
{
foreach (var key in keys)
{
// TODO: Timeout should be configuration parameter
var item = _remoteCacheProvider.Get <InMemoryCacheItem>(key, TimeSpan.Zero, true);
_localCacheProvider.Set(key, item.ValueObject, item.ExpiresAtTimeSpan, true);
}
}
_subscriptionManager.StartSubscription();
}
public InMemoryCacheItem GetSomeDemoObjectFromRemote(string key)
{
var item = _remoteCache.Get <InMemoryCacheItem>(key, TimeSpan.FromSeconds(3), false);
Assert.NotNull(item);
return(item);
}
public IActionResult Index()
{
TimeSpan ts = TimeSpan.FromMinutes(5);
//ViewBag.Cache = _localCache.Get("Test", () => "123", ts).ToString();
ViewBag.Cache = _localCache.Get("Test", () =>
{
return(_remoteCache.Get("Test", () => _service.Get(), ts));
}, ts).ToString();
return(View());
}