code: @Override
    public final <T> Integer evalRowCount(
      final Map<String, Object> pAddParam,
        final Class<T> pEntityClass) throws Exception {
      String query = "select count(*) as TOTALROWS from " + pEntityClass
        .getSimpleName().toUpperCase() + ";";
      return evalRowCountByQuery(pAddParam, pEntityClass, query);
    }
docs: <p>Calculate total rows for pagination.</p>
  @param <T> - type of business object,
  @param pAddParam additional param
  @param pEntityClass entity class
  @return Integer row count
  @throws Exception - an exception