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47 lines
1.7 KiB
PHP
47 lines
1.7 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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namespace OCP\Files\Storage;
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use OCP\Lock\ILockingProvider;
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/**
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* Storage backends that require explicit locking
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*
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* Storage backends implementing this interface do not need to implement their own locking implementation but should use the provided lockingprovider instead
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* The implementation of the locking methods only need to map internal storage paths to "lock keys"
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*
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* @since 9.0.0
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*/
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interface ILockingStorage {
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/**
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* @param string $path The path of the file to acquire the lock for
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @param \OCP\Lock\ILockingProvider $provider
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* @throws \OCP\Lock\LockedException
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* @since 9.0.0
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*/
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public function acquireLock($path, $type, ILockingProvider $provider);
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/**
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* @param string $path The path of the file to acquire the lock for
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @param \OCP\Lock\ILockingProvider $provider
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* @throws \OCP\Lock\LockedException
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* @since 9.0.0
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*/
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public function releaseLock($path, $type, ILockingProvider $provider);
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/**
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* @param string $path The path of the file to change the lock for
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @param \OCP\Lock\ILockingProvider $provider
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* @throws \OCP\Lock\LockedException
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* @since 9.0.0
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*/
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public function changeLock($path, $type, ILockingProvider $provider);
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}
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