@Override
      public void handleRowModel(ClientSideCellSetModel helper, RowModel row) {
        assertTrue(row.getKey() != null);
        assertTrue(row.getCells().size() > 0);
      }
An example to scan using listener in unmarshaller for XML.
@throws Exception the exception
hbase-rest/src/test/java/org/apache/hadoop/hbase/rest/TestTableScan.java