Chronicle.TimeStampEventListener.OnPreUpdate C# (CSharp) Метод

        public bool OnPreUpdate(PreUpdateEvent @event)
        {
            var timestamped = (@event.Entity as ITimestamped);
            if (!isValidEntity(timestamped)) return false;

            if (timestamped.Timestamp == null)
                timestamped.Timestamp = new Timestamp();
            timestamped.Timestamp.Modify();

            updateState(@event.Persister, @event.State, "Timestamp", timestamped.Timestamp);

            return false;
        }