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85 lines
2.2 KiB
85 lines
2.2 KiB
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license AGPL-3.0
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*
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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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, version 3,
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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\Lock;
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/**
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* Interface ILockingProvider
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*
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* @since 8.1.0
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*/
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interface ILockingProvider {
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/**
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* @since 8.1.0
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*/
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public const LOCK_SHARED = 1;
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/**
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* @since 8.1.0
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*/
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public const LOCK_EXCLUSIVE = 2;
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/**
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* @param string $path
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* @param int $type self::LOCK_SHARED or self::LOCK_EXCLUSIVE
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* @return bool
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* @since 8.1.0
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*/
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public function isLocked(string $path, int $type): bool;
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/**
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* @param string $path
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* @param int $type self::LOCK_SHARED or self::LOCK_EXCLUSIVE
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* @param string $readablePath human readable path to use in error messages, since 20.0.0
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* @throws \OCP\Lock\LockedException
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* @since 8.1.0
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*/
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public function acquireLock(string $path, int $type, string $readablePath = null);
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/**
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* @param string $path
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* @param int $type self::LOCK_SHARED or self::LOCK_EXCLUSIVE
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* @since 8.1.0
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*/
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public function releaseLock(string $path, int $type);
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/**
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* Change the type of an existing lock
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*
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* @param string $path
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* @param int $targetType self::LOCK_SHARED or self::LOCK_EXCLUSIVE
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* @throws \OCP\Lock\LockedException
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* @since 8.1.0
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*/
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public function changeLock(string $path, int $targetType);
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/**
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* release all lock acquired by this instance
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* @since 8.1.0
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*/
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public function releaseAll();
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}
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