public void setSearchStartCreationDateValid(boolean val) {
   if (val) {
     search.setStartCreationDate(search.getStartCreationDate());
   } else {
     search.unsetStartCreationDate();
   }
 }
 public void setSearchStartCreationDate(Date val) {
   if (val != null) {
     search.setStartCreationDate(val);
   } else {
     search.unsetStartCreationDate();
   }
 }