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<?php
/**
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Maxence Lange <maxence@artificial-owl.com>
* @author Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCP\Files\Search;
use OCP\Files\FileInfo;
/**
* @since 12.0.0
*/
interface ISearchOrder {
public const DIRECTION_ASCENDING = 'asc';
public const DIRECTION_DESCENDING = 'desc';
/**
* The direction to sort in, either ISearchOrder::DIRECTION_ASCENDING or ISearchOrder::DIRECTION_DESCENDING
*
* @return string
* @since 12.0.0
*/
public function getDirection(): string;
/**
* The field to sort on
*
* @return string
* @since 12.0.0
*/
public function getField(): string;
/**
* extra means data are not related to the main files table
*
* @return string
* @since 28.0.0
*/
public function getExtra(): string;
/**
* Apply the sorting on 2 FileInfo objects
*
* @param FileInfo $a
* @param FileInfo $b
* @return int -1 if $a < $b, 0 if $a = $b, 1 if $a > $b (for ascending, reverse for descending)
* @since 22.0.0
*/
public function sortFileInfo(FileInfo $a, FileInfo $b): int;
}
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