optaplanner-benchmark/src/main/java/org/optaplanner/benchmark/impl/statistic/movecountperstep/MoveCountPerStepProblemStatistic.java
@Override
    public void writeGraphFiles(BenchmarkReport benchmarkReport) {
        Locale locale = benchmarkReport.getLocale();
        NumberAxis xAxis = new NumberAxis("Time spent");
        xAxis.setNumberFormatOverride(new MillisecondsSpentNumberFormat(locale));
        NumberAxis yAxis = new NumberAxis("Accepted/selected moves per step");
        yAxis.setNumberFormatOverride(NumberFormat.getInstance(locale));
        XYPlot plot = new XYPlot(null, xAxis, yAxis, null);
        DrawingSupplier drawingSupplier = new DefaultDrawingSupplier();
        plot.setOrientation(PlotOrientation.VERTICAL);

        int seriesIndex = 0;
        for (SingleBenchmarkResult singleBenchmarkResult : problemBenchmarkResult.getSingleBenchmarkResultList()) {
            XYSeries acceptedSeries = new XYSeries(
                    singleBenchmarkResult.getSolverBenchmarkResult().getNameWithFavoriteSuffix() + " accepted");
            XYSeries selectedSeries = new XYSeries(
                    singleBenchmarkResult.getSolverBenchmarkResult().getNameWithFavoriteSuffix() + " selected");
            XYItemRenderer renderer = new XYLineAndShapeRenderer(true, false);
            if (singleBenchmarkResult.hasAllSuccess()) {
                MoveCountPerStepSubSingleStatistic subSingleStatistic = (MoveCountPerStepSubSingleStatistic)
                        singleBenchmarkResult.getSubSingleStatistic(problemStatisticType);
                List<MoveCountPerStepStatisticPoint> list = subSingleStatistic.getPointList();
                for (MoveCountPerStepStatisticPoint point : list) {
                    long timeMillisSpent = point.getTimeMillisSpent();
                    long acceptedMoveCount = point.getMoveCountPerStepMeasurement().getAcceptedMoveCount();
                    long selectedMoveCount = point.getMoveCountPerStepMeasurement().getSelectedMoveCount();
                    acceptedSeries.add(timeMillisSpent, acceptedMoveCount);
                    selectedSeries.add(timeMillisSpent, selectedMoveCount);
                }
            }
            XYSeriesCollection seriesCollection = new XYSeriesCollection();
            seriesCollection.addSeries(acceptedSeries);
            seriesCollection.addSeries(selectedSeries);
            plot.setDataset(seriesIndex, seriesCollection);

            if (singleBenchmarkResult.getSolverBenchmarkResult().isFavorite()) {
                // Make the favorite more obvious
                renderer.setSeriesStroke(0, new BasicStroke(2.0f));
                // Dashed line for selected move count
                renderer.setSeriesStroke(1, new BasicStroke(
                        2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f));
            } else {
                // Dashed line for selected move count
                renderer.setSeriesStroke(1, new BasicStroke(
                        1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f));
            }
            // Render both lines in the same color
            Paint linePaint = drawingSupplier.getNextPaint();
            renderer.setSeriesPaint(0, linePaint);
            renderer.setSeriesPaint(1, linePaint);
            plot.setRenderer(seriesIndex, renderer);
            seriesIndex++;
        }

        JFreeChart chart = new JFreeChart(problemBenchmarkResult.getName() + " move count per step statistic",
                JFreeChart.DEFAULT_TITLE_FONT, plot, true);
        graphFile = writeChartToImageFile(chart, problemBenchmarkResult.getName() + "MoveCountPerStepStatistic");
    }
@Override
    public void writeGraphFiles(BenchmarkReport benchmarkReport) {
        Locale locale = benchmarkReport.getLocale();
        NumberAxis xAxis = new NumberAxis("Time spent");
        xAxis.setNumberFormatOverride(new MillisecondsSpentNumberFormat(locale));
        NumberAxis yAxis = new NumberAxis("Accepted/selected moves per step");
        yAxis.setNumberFormatOverride(NumberFormat.getInstance(locale));
        XYPlot plot = new XYPlot(null, xAxis, yAxis, null);
        DrawingSupplier drawingSupplier = new DefaultDrawingSupplier();
        plot.setOrientation(PlotOrientation.VERTICAL);

        int seriesIndex = 0;
        for (SingleBenchmarkResult singleBenchmarkResult : problemBenchmarkResult.getSingleBenchmarkResultList()) {
            XYSeries acceptedSeries = new XYSeries(
                    singleBenchmarkResult.getSolverBenchmarkResult().getNameWithFavoriteSuffix() + " accepted");
            XYSeries selectedSeries = new XYSeries(
                    singleBenchmarkResult.getSolverBenchmarkResult().getNameWithFavoriteSuffix() + " selected");
            XYItemRenderer renderer = new XYLineAndShapeRenderer(true, false);
            if (singleBenchmarkResult.hasAllSuccess()) {
                MoveCountPerStepSubSingleStatistic subSingleStatistic = (MoveCountPerStepSubSingleStatistic)
                        singleBenchmarkResult.getSubSingleStatistic(problemStatisticType);
                List<MoveCountPerStepStatisticPoint> list = subSingleStatistic.getPointList();
                for (MoveCountPerStepStatisticPoint point : list) {
                    long timeMillisSpent = point.getTimeMillisSpent();
                    long acceptedMoveCount = point.getMoveCountPerStepMeasurement().getAcceptedMoveCount();
                    long selectedMoveCount = point.getMoveCountPerStepMeasurement().getSelectedMoveCount();
                    acceptedSeries.add(timeMillisSpent, acceptedMoveCount);
                    selectedSeries.add(timeMillisSpent, selectedMoveCount);
                }
            }
            XYSeriesCollection seriesCollection = new XYSeriesCollection();
            seriesCollection.addSeries(acceptedSeries);
            seriesCollection.addSeries(selectedSeries);
            plot.setDataset(seriesIndex, seriesCollection);

            if (singleBenchmarkResult.getSolverBenchmarkResult().isFavorite()) {
                // Make the favorite more obvious
                renderer.setSeriesStroke(0, new BasicStroke(2.0f));
                // Dashed line for selected move count
                renderer.setSeriesStroke(1, new BasicStroke(
                        2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f));
            } else {
                // Dashed line for selected move count
                renderer.setSeriesStroke(1, new BasicStroke(
                        1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f));
            }
            // Render both lines in the same color
            Paint linePaint = drawingSupplier.getNextPaint();
            renderer.setSeriesPaint(0, linePaint);
            renderer.setSeriesPaint(1, linePaint);
            plot.setRenderer(seriesIndex, renderer);
            seriesIndex++;
        }

        JFreeChart chart = new JFreeChart(problemBenchmarkResult.getName() + " move count per step statistic",
                JFreeChart.DEFAULT_TITLE_FONT, plot, true);
        graphFile = writeChartToImageFile(chart, problemBenchmarkResult.getName() + "MoveCountPerStepStatistic");
    }
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