public void OnCustomUpdateCallback(short callbackId, string key, bool notifyAsync, EventCacheItem item,
                                           EventCacheItem oldItem, BitSet flag, EventDataFilter dataFilter)
        {
            CallbackInfo cbInfo = new CallbackInfo(null, callbackId, dataFilter);

            _listener.OnCustomUpdateCallback(key, cbInfo, notifyAsync, item, oldItem, flag);
        }
        public void OnCustomUpdateCallback(object key, object value, EventContext eventContext)
        {
            EventCacheItem item    = EventUtil.ConvertToItem(eventContext.Item);
            EventCacheItem oldItem = EventUtil.ConvertToItem(eventContext.OldItem);

            _listener.OnCustomUpdateCallback((string)key, value, true, item, oldItem, null);
        }