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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\Files\Storage;
use OCP\Lock\ILockingProvider;
/**
* Provide a common interface to all different storage options
*
* All paths passed to the storage are relative to the storage and should NOT have a leading slash.
*/
interface Storage extends \OCP\Files\Storage {
/**
* get a cache instance for the storage
*
* @param string $path
* @param \OC\Files\Storage\Storage|null (optional) the storage to pass to the cache
* @return \OC\Files\Cache\Cache
*/
public function getCache($path = '', $storage = null);
/**
* get a scanner instance for the storage
*
* @param string $path
* @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
* @return \OC\Files\Cache\Scanner
*/
public function getScanner($path = '', $storage = null);
/**
* get the user id of the owner of a file or folder
*
* @param string $path
* @return string
*/
public function getOwner($path);
/**
* get a watcher instance for the cache
*
* @param string $path
* @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
* @return \OC\Files\Cache\Watcher
*/
public function getWatcher($path = '', $storage = null);
/**
* get a propagator instance for the cache
*
* @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
* @return \OC\Files\Cache\Propagator
*/
public function getPropagator($storage = null);
/**
* get a updater instance for the cache
*
* @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
* @return \OC\Files\Cache\Updater
*/
public function getUpdater($storage = null);
/**
* @return \OC\Files\Cache\Storage
*/
public function getStorageCache();
/**
* @param string $path
* @return array|null
*/
public function getMetaData($path);
/**
* @param string $path The path of the file to acquire the lock for
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function acquireLock($path, $type, ILockingProvider $provider);
/**
* @param string $path The path of the file to release the lock for
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function releaseLock($path, $type, ILockingProvider $provider);
/**
* @param string $path The path of the file to change the lock for
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function changeLock($path, $type, ILockingProvider $provider);
/**
* Get the contents of a directory with metadata
*
* @param string $directory
* @return \Traversable an iterator, containing file metadata
*
* The metadata array will contain the following fields
*
* - name
* - mimetype
* - mtime
* - size
* - etag
* - storage_mtime
* - permissions
*/
public function getDirectoryContent($directory): \Traversable;
}
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