public void setSearchStartUpdateDateValid(boolean val) {
   if (val) {
     search.setStartUpdateDate(search.getStartUpdateDate());
   } else {
     search.unsetStartUpdateDate();
   }
 }
 public void setSearchStartUpdateDate(Date val) {
   if (val != null) {
     search.setStartUpdateDate(val);
   } else {
     search.unsetStartUpdateDate();
   }
 }