if (info != null) {
EntityCollection entities
= info.getOwner().getEntityCollection();
if (entities != null) {
String tip = null;
PieToolTipGenerator tipster = getToolTipGenerator();
if (tipster != null) {
// @mgs: using the method's return value was missing
tip = tipster.generateToolTip(dataset, currentKey);
}
String url = null;
if (getURLGenerator() != null) {
url = getURLGenerator().generateURL(dataset, currentKey,
getPieIndex());