/// <summary>
/// Remove an entry with a given key. Notifies subscriber, if there is any,
/// of the removed item.
/// </summary>
/// <param name="key"></param>
/// <param name="regionName"></param>
/// <returns></returns>
public override object Remove(string key, string regionName = null)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
var cacheKey = new CacheKey(key);
CacheEntry cacheValue = null;
// remove the item, return if not found.
lock (_locker)
{
var mruEntry = MruManager.GetItem(cacheKey);
if (mruEntry == null)
{
return(null);
}
// get the Store's Current Key containing the TimeStamp!
cacheKey = (CacheKey)mruEntry.Key;
cacheValue = mruEntry.Value as CacheEntry;
MruManager.Remove(cacheKey);
}
// Notify the subscriber of the removed item.
if (CacheEntrySetRemovedCallback != null)
{
CacheEntrySetRemovedCallback(new[]
{
new CacheEntryRemovedArguments(this, CacheEntryRemovedReason.Removed, cacheValue.Convert(cacheKey))
});
}
return(cacheValue);
}
