public void Update(object document, object selector, UpdateFlags flags){
            var writerSettings = _configuration.SerializationFactory.GetBsonWriterSettings(typeof(T));

            try {
                _connection.SendMessage(new UpdateMessage(writerSettings)
                {
                    FullCollectionName = FullName,
                    Selector = selector,
                    Document = document,
                    Flags = (int)flags
                }, DatabaseName);
            } catch (IOException exception) {
                throw new MongoConnectionException("Could not update document, communication failure", _connection, exception);
            }
        }