private CachedItem executeAndPutInCache(KeyAndItsDependingKeys keyAndItsDependingKeys, CachedMethodInformation cachedMethodInformation, Func <object> originalMethod)
{
var methodResult = originalMethod();
var cachedItem = new CachedItem(cachedMethodInformation, methodResult);
var key = keyAndItsDependingKeys.Key;
var dependedKeys = keyAndItsDependingKeys.DependingRemoveKeys().ToList();
dependedKeys.Add(mainCacheKey);
createDependencies(dependedKeys);
var policy = new CacheItemPolicy
{
AbsoluteExpiration = DateTimeOffset.Now.AddMinutes(_timeoutMinutes),
RemovedCallback = arguments => _eventListenersCallback.OnCacheRemoval(cachedItem)
};
policy.ChangeMonitors.Add(cache.CreateCacheEntryChangeMonitor(dependedKeys));
cache.Set(key, cachedItem, policy);
return(cachedItem);
}
public object GetAndPutIfNonExisting(KeyAndItsDependingKeys keyAndItsDependingKeys, CachedMethodInformation cachedMethodInformation, Func <object> originalMethod)
{
var cachedItem = (CachedItem)cache.Get(keyAndItsDependingKeys.Key);
if (cachedItem != null)
{
_eventListenersCallback.OnCacheHit(cachedItem);
return(cachedItem.CachedValue);
}
lock (lockObject)
{
var cachedItem2 = (CachedItem)cache.Get(keyAndItsDependingKeys.Key);
if (cachedItem2 != null)
{
_eventListenersCallback.OnCacheHit(cachedItem2);
return(cachedItem2.CachedValue);
}
var addedValue = executeAndPutInCache(keyAndItsDependingKeys, cachedMethodInformation, originalMethod);
_eventListenersCallback.OnCacheMiss(addedValue);
return(addedValue.CachedValue);
}
}