public static Namespace getNamespace(Iterator<Entry<Key, Value>> rowResults) {
   for (; rowResults.hasNext(); ) {
     Entry<Key, Value> next = rowResults.next();
     Key key = next.getKey();
     Value val = next.getValue();
     String cf = key.getColumnFamily().toString();
     String cq = key.getColumnQualifier().toString();
     return new NamespaceImpl(key.getRow().toString(), new String(val.get()));
   }
   return null;
 }