public static String exampleOrderBy(Class<?> entityClass) {

        StringBuilder sql = new StringBuilder();

        sql.append("<if test=\"orderByClause != null\">");

        sql.append("order by ${orderByClause}\")");

        sql.append("</if>");

        String orderByClause = EntityHelper.getOrderByClause(entityClass);

        if (orderByClause.length() > 0) {

            sql.append("<if test=\"orderByClause == null\">");

            sql.append("ORDER BY " + orderByClause);

            sql.append("</if>");

        }

        return sql.toString();

    }