public void parseChunkHint(
     String chunkHint, MutableInt chunkPartition, MutableLong chunkSeekChar) {
   List<String> strings = new ArrayList<String>();
   StringSet.split(strings, chunkHint, "_");
   if (StringUtils.isEmptyOrNull(chunkHint)) {
     chunkPartition.setValue(-1);
     chunkSeekChar.setValue(0);
   } else {
     chunkPartition.setValue(Integer.parseInt(strings.get(0)));
     chunkSeekChar.setValue(Integer.parseInt(strings.get(1)));
   }
 }