private void ProcessMarketChangeMessage(MarketChangeMessage message)
        {
            ChangeMessage <MarketChange> change = ChangeMessageFactory.ToChangeMessage(message);

            change = MarketSubscriptionHandler.ProcessChangeMessage(change);

            if (change != null)
            {
                ChangeHandler.OnMarketChange(change);
            }
        }
        private void ProcessOrderChangeMessage(OrderChangeMessage message)
        {
            ChangeMessage <OrderMarketChange> change = ChangeMessageFactory.ToChangeMessage(message);

            change = OrderSubscriptionHandler.ProcessChangeMessage(change);

            if (change != null)
            {
                ChangeHandler.OnOrderChange(change);
            }
        }