67 lines
2.0 KiB
PHP
67 lines
2.0 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016 Robin Appelman <robin@icewind.nl>
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*
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* @author Robin Appelman <robin@icewind.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCP\Files\Storage;
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use OCP\Files\Notify\INotifyHandler;
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/**
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* Storage backend that support active notifications
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*
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* @since 9.1.0
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*/
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interface INotifyStorage {
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const NOTIFY_ADDED = 1;
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const NOTIFY_REMOVED = 2;
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const NOTIFY_MODIFIED = 3;
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const NOTIFY_RENAMED = 4;
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/**
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* Start listening for update notifications
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*
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* The provided callback will be called for every incoming notification with the following parameters
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* - int $type the type of update, one of the INotifyStorage::NOTIFY_* constants
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* - string $path the path of the update
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* - string $renameTarget the target of the rename operation, only provided for rename updates
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*
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* Note that this call is blocking and will not exit on it's own, to stop listening for notifications return `false` from the callback
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*
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* @param string $path
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* @param callable $callback
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*
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* @since 9.1.0
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* @deprecated 12.0.0 use INotifyStorage::notify()->listen() instead
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*/
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public function listen($path, callable $callback);
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/**
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* Start the notification handler for this storage
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*
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* @param $path
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* @return INotifyHandler
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*
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* @since 12.0.0
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*/
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public function notify($path);
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}
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