public Class<? extends CompareOp> getCompareOpClass(String udfType)
      throws NoSuchCompareOpException {
    if (!compareOps.containsKey(udfType)) {
      throw new NoSuchCompareOpException("Null compare op for specified key: " + udfType);
    }
    return compareOps.get(udfType);
  }
@param udfType
         GenericUDF classname to lookup matching CompareOpt
@return Class&lt;? extends CompareOpt/&gt;
accumulo-handler/src/java/org/apache/hadoop/hive/accumulo/predicate/AccumuloPredicateHandler.java