PaginationDao.java 文件源码

/**
 * Apply ordering criteria.
 */
private <T> void applyOrder(final UiPageRequest uiPageRequest, final Map<String, String> mapping, final CriteriaBuilder builder,
        final CriteriaQuery<T> query, final Root<T> root) {
    // Apply the sort
    if (uiPageRequest.getUiSort() != null) {

        // Need to order the result
        final UiSort uiSort = uiPageRequest.getUiSort();
        final String ormColumn = mapping.get(uiSort.getColumn());
        if (ormColumn != null) {

            // ORM column is validated
            final Sort sort = new Sort(uiSort.getDirection(), mapping.get(uiSort.getColumn()));
            query.orderBy(QueryUtils.toOrders(sort, root, builder));
        }
    }
}