private void addRow(Iface client, String tableName, String rowId, String recordId, String value)
     throws BlurException, TException {
   List<RecordMutation> recordMutations = new ArrayList<RecordMutation>();
   List<Column> columns = new ArrayList<Column>();
   columns.add(new Column("col0", value));
   Record record = new Record(recordId, "fam0", columns);
   recordMutations.add(new RecordMutation(RecordMutationType.REPLACE_ENTIRE_RECORD, record));
   RowMutation rowMutation =
       new RowMutation(tableName, rowId, RowMutationType.REPLACE_ROW, recordMutations);
   client.mutate(rowMutation);
 }