@Override
 public Iterator<? extends ClassifierItem> iterator(long first, long count) {
   classifierItemSearchRequest.setFirstRow(first);
   classifierItemSearchRequest.setMaxRowCount(count);
   List<ClassifierItem> classifierItems =
       getClassifierItemDao().find(classifierItemSearchRequest);
   return classifierItems.iterator();
 }
 public ClassifierDataProvider(String classifierType, String parentClassifierItemCode) {
   classifierItemSearchRequest.setClassifierType(classifierType);
   classifierItemSearchRequest.setParentClassifierItemCode(parentClassifierItemCode);
 }