Hello,

Why the move() usage causes object escape? Just after initialization it looks OK, but with every single tick - and move() usage - the line moves further and further from the place I have expected...

See Attached code below.

Regards,
Fxer

package jforex;

import java.awt.Color;
import java.util.UUID;

import com.dukascopy.api.IAccount;
import com.dukascopy.api.IBar;
import com.dukascopy.api.IChart;
import com.dukascopy.api.IChartObject;
import com.dukascopy.api.IContext;
import com.dukascopy.api.IHistory;
import com.dukascopy.api.IMessage;
import com.dukascopy.api.IStrategy;
import com.dukascopy.api.ITick;
import com.dukascopy.api.Instrument;
import com.dukascopy.api.JFException;
import com.dukascopy.api.Period;
import com.dukascopy.api.drawings.IShortLineChartObject;

public class ChObjTst implements IStrategy {
    private Instrument instrument = Instrument.EURUSD;

    private Marker markerLong = null;

    private class Marker {
        IContext context;
        IHistory history;
        Instrument instrument = Instrument.EURUSD;

        double price;
        String objectKey;

        Marker(IContext context) throws JFException {
            this.context = context;
            this.history = context.getHistory();
            price = history.getLastTick(instrument).getBid();
            objectKey = UUID.randomUUID().toString();
        }

        private void drawInit(IChart chart, ITick tick) throws JFException {
            IShortLineChartObject line = chart.getChartObjectFactory().createShortLine(
                    objectKey,
                    history.getTimeForNBarsBack( chart.getSelectedPeriod(), tick.getTime(), 20 ),
                    price,
                    history.getTimeForNBarsForward( chart.getSelectedPeriod(), tick.getTime(), 10 ),
                    price );
            line.setColor(Color.RED);
            chart.add(line);
        }

        void drawInit(ITick tick) throws JFException {
            for (IChart chart : context.getCharts(instrument)) {
                drawInit(chart, tick);
            }
        }

        void drawUpdate(ITick tick) throws JFException {
            price = tick.getBid();
            for (IChart chart : context.getCharts(instrument)) {
                IChartObject object = chart.get(objectKey);
                if (object != null) {
                    object.move(
                            history.getTimeForNBarsBack( chart.getSelectedPeriod(), tick.getTime(), 20 ),
                            price);
                }
            }
        }

        void undraw(IChart chart) {
            IChartObject object = chart.get(objectKey);
            if (object == null) return;
            chart.remove(object);
        }

        void undraw() {
            for (IChart chart : context.getCharts(instrument)) {
                undraw(chart);
            }
        }
    }

    @Override
    public void onStart(IContext context) throws JFException {
        IHistory history = context.getHistory();
        markerLong = new Marker(context);
        markerLong.drawInit(history.getLastTick(instrument));
    }

    @Override
    public void onTick(Instrument instrument, ITick tick) throws JFException {
        if(instrument != this.instrument) return;
        markerLong.drawUpdate(tick);
    }

    @Override
    public void onBar(Instrument instrument, Period period, IBar askBar, IBar bidBar) throws JFException {}

    @Override
    public void onMessage(IMessage message) throws JFException {}

    @Override
    public void onAccount(IAccount account) throws JFException {}

    @Override
    public void onStop() throws JFException {
        markerLong.undraw();
    }
}

Hello,

Thank you for reporting this. This issue was resolved and it will be available in next release.

Please stay tuned.

Good luck and have a nice day