    001    package org.apache.tapestry5.grid;
    002
    003    /**
    004     * Identifies how a column within a {@link org.apache.tapestry5.grid.GridSortModel} is sorted.
    005     */
    006    public enum ColumnSort
    007    {
    008        /**
    009         * A sort column and sorted in ascending order.
    010         */
    011        ASCENDING,
    012
    013        /**
    014         * A sort column, and sorted in descending order.
    015         */
    016        DESCENDING,
    017
    018        /**
    019         * Not a sort column.
    020         */
    021        UNSORTED
    022    }