public void addOrUpdateRightholder(PartySummaryBean rightholder) {
   if (rightholder != null && rightHolderList != null) {
     if (rightHolderList.contains(rightholder)) {
       rightHolderList.set(rightHolderList.indexOf(rightholder), rightholder);
     } else {
       rightHolderList.addAsNew(rightholder);
     }
   }
 }