public void OnBeforeItemSavedToCache(IDataCache dataCache, string key, object data)
{
// EXPECTS PROPERLY FORMATED CACHE KEYS
try
{
List <string> orderedKeys = dataCache.CacheKeys.OrderBy(x => x).ToList();
#if DEBUG
/*
* Container.Track.LogTrace(string.Format("<Cache Details: {0} - {1}>", dataCache.CacheKeys.Length, dataCache.CacheCount));
* foreach(var item in orderedKeys)
* {
* Container.Track.LogTrace(string.Format(" {0}", item));
* }
* Container.Track.LogTrace(string.Format("</Cache Details>"));
*/
#endif
if (dataCache.CacheCount > this.MaximumKeyCount)
{
// simple strategy to try to trim from both directions
_direction = !_direction;
if (!_direction)
{
orderedKeys.Reverse();
}
string[] keys = dataCache.CacheKeys;
int keyIndex = -1;
for (int i = 0; i < this.RemoveKeyBufferCount; i++)
{
if (orderedKeys.Count > 0)
{
string itemToRemove = string.Empty;
while (keyIndex < orderedKeys.Count)
{
keyIndex++;
string item = orderedKeys[keyIndex];
if (!item.Contains("?") && !key.Contains(item) && key != item)
{
itemToRemove = item;
break;
}
}
if (!string.IsNullOrEmpty(itemToRemove))
{
//Container.Track.LogTrace(string.Format(" ----> Removed From Cache: {0}", itemToRemove));
dataCache.ClearWithPrefix(itemToRemove);
}
}
}
}
}
catch
{
}
}
public void OnBeforeItemSavedToCache(IDataCache dataCache, string key, object data)
{
if (this.ClearPrefixes.ContainsKey(key))
{
string prefix = this.ClearPrefixes[key];
this.ClearPrefixes.Remove(key);
dataCache.ClearWithPrefix(prefix);
}
}
