private XYPlot initializeUpperPlot(){
  heapMemory=new YIntervalSeriesImproved("heap memory");
  YIntervalSeriesCollection yintervalseriescollection=new YIntervalSeriesCollection();
  yintervalseriescollection.addSeries(heapMemory);
  DeviationRenderer renderer=new DeviationRenderer(true,false);
  renderer.setBaseShapesVisible(true);
  renderer.setSeriesStroke(0,new BasicStroke(3.0f,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
  renderer.setSeriesFillPaint(0,new Color(255,200,200));
  renderer.setSeriesOutlineStroke(0,new BasicStroke(2.0f));
  renderer.setSeriesShape(0,new Ellipse2D.Double(-2.5,-2.5,5.0,5.0));
  renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,DateFormat.getDateTimeInstance(),NumberFormat.getNumberInstance()));
  final NumberAxis rangeAxis=new NumberAxis("Heap / kbytes");
  rangeAxis.setRangeType(RangeType.POSITIVE);
  SystemInformationData systemData=(SystemInformationData)dataAccessService.getLastDataObject(systemTemplate);
  if (systemData != null) {
    double maxHeapUpperRange;
    if (systemData.getMaxHeapMemorySize() != -1) {
      maxHeapUpperRange=systemData.getMaxHeapMemorySize() / 1024.0d;
    }
 else     if (systemData.getInitHeapMemorySize() != -1) {
      maxHeapUpperRange=(systemData.getInitHeapMemorySize() * 2) / 1024.0d;
    }
 else {
      maxHeapUpperRange=728 * 1024 * 1024;
    }
    rangeAxis.setRange(0.0d,maxHeapUpperRange);
    rangeAxis.setAutoRangeMinimumSize(maxHeapUpperRange);
  }
  final XYPlot subplot=new XYPlot(yintervalseriescollection,null,rangeAxis,renderer);
  subplot.setAxisOffset(new RectangleInsets(5.0,5.0,5.0,5.0));
  subplot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
  subplot.setRangeCrosshairVisible(true);
  return subplot;
}

private XYPlot initializeUpperPlot ( ) { heapMemory = new YIntervalSeriesImproved ( "heap memory" ) ; YIntervalSeriesCollection yintervalseriescollection = new YIntervalSeriesCollection ( ) ; yintervalseriescollection . addSeries ( heapMemory ) ; DeviationRenderer renderer = new DeviationRenderer ( true , false ) ; renderer . setBaseShapesVisible ( true ) ; renderer . setSeriesStroke ( 0 , new BasicStroke ( 3.0f , BasicStroke . CAP_ROUND , BasicStroke . JOIN_ROUND ) ) ; renderer . setSeriesFillPaint ( 0 , new Color ( 255 , 200 , 200 ) ) ; renderer . setSeriesOutlineStroke ( 0 , new BasicStroke ( 2.0f ) ) ; renderer . setSeriesShape ( 0 , new Ellipse2D . Double ( - 2.5 , - 2.5 , 5.0 , 5.0 ) ) ; renderer . setBaseToolTipGenerator ( new StandardXYToolTipGenerator ( StandardXYToolTipGenerator . DEFAULT_TOOL_TIP_FORMAT , DateFormat . getDateTimeInstance ( ) , NumberFormat . getNumberInstance ( ) ) ) ; final NumberAxis rangeAxis = new NumberAxis ( "Heap / kbytes" ) ; rangeAxis . setRangeType ( RangeType . POSITIVE ) ; SystemInformationData systemData = ( SystemInformationData ) dataAccessService . getLastDataObject ( systemTemplate ) ; if ( systemData != null ) { double maxHeapUpperRange ; if ( systemData . getMaxHeapMemorySize ( ) != - 1 ) { maxHeapUpperRange = systemData . getMaxHeapMemorySize ( ) / 1024.0d ; } else if ( systemData . getInitHeapMemorySize ( ) != - 1 ) { maxHeapUpperRange = ( systemData . getInitHeapMemorySize ( ) * 2 ) / 1024.0d ; } else { maxHeapUpperRange = 728 * 1024 * 1024 ; } rangeAxis . setRange ( 0.0d , maxHeapUpperRange ) ; rangeAxis . setAutoRangeMinimumSize ( maxHeapUpperRange ) ; } final XYPlot subplot = new XYPlot ( yintervalseriescollection , null , rangeAxis , renderer ) ; subplot . setAxisOffset ( new RectangleInsets ( 5.0 , 5.0 , 5.0 , 5.0 ) ) ; subplot . setRangeAxisLocation ( AxisLocation . TOP_OR_LEFT ) ; subplot . setRangeCrosshairVisible ( true ) ; return subplot ; }
initializes the upper plot .
