String orderBy = objSortColumn != null ? objSortColumn.getColumnName() : null;
String[] orderBy = PhoneTableModel.orderByFromSortColum(objSortColumn);
    public Iterator getCurrentPageRows(int firstRow, int pageSize, ITableColumn objSortColumn,            boolean orderAscending) {        String orderBy = objSortColumn != null ? objSortColumn.getColumnName() : null;        List page = m_searchManager.search(Phone.class, m_queryText, firstRow, pageSize, orderBy,                orderAscending, new IdToPhone());        return page.iterator();    }