private void updateVariables() {
        try {
            AllPositions = engine.getOrders(defaultInstrument);
            List<IOrder> listMarket = new ArrayList<IOrder>();
            for (IOrder order: AllPositions) {
                if (order.getState().equals(IOrder.State.FILLED)){
                    listMarket.add(order);
                }
            }
            List<IOrder> listPending = new ArrayList<IOrder>();
            for (IOrder order: AllPositions) {
                if (order.getState().equals(IOrder.State.OPENED)){
                    listPending.add(order);
                }
            }
            OpenPositions = listMarket;
            PendingPositions = listPending;
        } catch(JFException e) {
            e.printStackTrace();
        }
    }

public void onBar(Instrument instrument, Period period, IBar askBar, IBar bidBar) throws JFException {
     if (instrument.equals(defaultInstrument)) {
            LastAskCandle = new Candle(askBar, period, instrument, OfferSide.ASK);
            LastBidCandle = new Candle(bidBar, period, instrument, OfferSide.BID);
            updateVariables();
        }
    }

public void onBar(Instrument instrument, Period period, IBar askBar, IBar bidBar) throws JFException {
            LastAskCandle = new Candle(askBar, period, instrument, OfferSide.ASK);
            LastBidCandle = new Candle(bidBar, period, instrument, OfferSide.BID);
            updateVariables();
    }

public void onMessage(IMessage message) throws JFException {
        if (message.getOrder() != null && message.getOrder().getInstrument().equals(defaultInstrument)) {...}

public void onMessage(IMessage message) throws JFException {
        if (message.getOrder() != null) {...}