How to use

getPlot

method

in

org.jfree.chart.renderer.xy.XYBubbleRenderer

public LegendItem getLegendItem(int datasetIndex, int series) {
  LegendItem result = null;
  XYPlot plot = getPlot();
  if (plot == null) {
    return null;

XYPlot plot = getPlot();
if (plot == null) {
  return null;