public DowntimeChartView(DowntimeService service) {
    Configuration configurationDowntimeChart = downtimeChart.getConfiguration();
    DataSeries series = new DataSeries();
    series.add(new DataSeriesItem("Mercury", 4900));
    series.add(new DataSeriesItem("Venus", 12100));
    configurationDowntimeChart.setTitle("Verfügbar bzw. Stillstand  19-06-17_16-50");
    configurationDowntimeChart.addSeries(series);
    downtimeChart.drawChart();
}