public void add(String cf, String qual, byte[] val) {
    Preconditions.checkNotNull(cf);
    Preconditions.checkNotNull(qual);
    Preconditions.checkNotNull(val);

    add(new Text(cf), new Text(qual), val);
  }
@return byte [] value for first tuple containing fam and qual or null if no match.
accumulo-handler/src/java/org/apache/hadoop/hive/accumulo/AccumuloHiveRow.java