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294 lines
7.6 KiB
294 lines
7.6 KiB
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Bernhard Posselt <dev@bernhard-posselt.com>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Julius Härtl <jus@bitgrid.net>
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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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/**
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* Public interface of ownCloud for apps to use.
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* Files/Node interface
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*/
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// use OCP namespace for all classes that are considered public.
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// This means that they should be used by apps instead of the internal ownCloud classes
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namespace OCP\Files;
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use OCP\Lock\LockedException;
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/**
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* Interface Node
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*
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* @since 6.0.0 - extends FileInfo was added in 8.0.0
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*/
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interface Node extends FileInfo {
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/**
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* Move the file or folder to a new location
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*
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* @param string $targetPath the absolute target path
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* @return Node
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* @throws NotFoundException
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* @throws NotPermittedException if move not allowed or failed
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* @throws LockedException
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* @throws InvalidPathException
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* @since 6.0.0
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*/
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public function move($targetPath);
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/**
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* Delete the file or folder
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*
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* @return void
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* @throws NotPermittedException
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function delete();
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/**
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* Cope the file or folder to a new location
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*
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* @param string $targetPath the absolute target path
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* @return Node
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* @since 6.0.0
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*/
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public function copy($targetPath);
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/**
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* Change the modified date of the file or folder
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* If $mtime is omitted the current time will be used
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*
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* @param int $mtime (optional) modified date as unix timestamp
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* @throws InvalidPathException
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* @throws NotFoundException
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* @throws NotPermittedException
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* @return void
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* @since 6.0.0
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*/
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public function touch($mtime = null);
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/**
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* Get the storage backend the file or folder is stored on
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*
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* @return Storage
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function getStorage();
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/**
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* Get the full path of the file or folder
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*
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* @return string
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* @since 6.0.0
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*/
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public function getPath();
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/**
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* Get the path of the file or folder relative to the mountpoint of it's storage
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*
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* @return string
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* @since 6.0.0
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*/
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public function getInternalPath();
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/**
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* Get the internal file id for the file or folder
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*
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* @return int
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function getId();
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/**
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* Get metadata of the file or folder
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* The returned array contains the following values:
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* - mtime
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* - size
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*
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* @return array
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* @since 6.0.0
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*/
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public function stat();
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/**
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* Get the modified date of the file or folder as unix timestamp
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*
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* @return int
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function getMTime();
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/**
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* Get the size of the file or folder in bytes
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*
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* @param bool $includeMounts
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* @return int
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function getSize($includeMounts = true);
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/**
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* Get the Etag of the file or folder
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* The Etag is an string id used to detect changes to a file or folder,
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* every time the file or folder is changed the Etag will change to
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*
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* @return string
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function getEtag();
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/**
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* Get the permissions of the file or folder as a combination of one or more of the following constants:
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* - \OCP\Constants::PERMISSION_READ
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* - \OCP\Constants::PERMISSION_UPDATE
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* - \OCP\Constants::PERMISSION_CREATE
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* - \OCP\Constants::PERMISSION_DELETE
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* - \OCP\Constants::PERMISSION_SHARE
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*
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* @return int
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0 - namespace of constants has changed in 8.0.0
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*/
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public function getPermissions();
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/**
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* Check if the file or folder is readable
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*
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* @return bool
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function isReadable();
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/**
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* Check if the file or folder is writable
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*
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* @return bool
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function isUpdateable();
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/**
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* Check if the file or folder is deletable
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*
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* @return bool
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function isDeletable();
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/**
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* Check if the file or folder is shareable
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*
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* @return bool
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* @throws InvalidPathException
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* @throws NotFoundException
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* @since 6.0.0
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*/
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public function isShareable();
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/**
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* Get the parent folder of the file or folder
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*
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* @return Folder
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* @since 6.0.0
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*/
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public function getParent();
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/**
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* Get the filename of the file or folder
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*
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* @return string
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* @since 6.0.0
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*/
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public function getName();
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/**
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* Acquire a lock on this file or folder.
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*
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* A shared (read) lock will prevent any exclusive (write) locks from being created but any number of shared locks
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* can be active at the same time.
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* An exclusive lock will prevent any other lock from being created (both shared and exclusive).
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*
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* A locked exception will be thrown if any conflicting lock already exists
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*
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* Note that this uses mandatory locking, if you acquire an exclusive lock on a file it will block *all*
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* other operations for that file, even within the same php process.
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*
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* Acquiring any lock on a file will also create a shared lock on all parent folders of that file.
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*
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* Note that in most cases you won't need to manually manage the locks for any files you're working with,
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* any filesystem operation will automatically acquire the relevant locks for that operation.
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*
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @throws LockedException
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* @since 9.1.0
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*/
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public function lock($type);
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/**
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* Check the type of an existing lock.
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*
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* A shared lock can be changed to an exclusive lock is there is exactly one shared lock on the file,
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* an exclusive lock can always be changed to a shared lock since there can only be one exclusive lock int he first place.
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*
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* A locked exception will be thrown when these preconditions are not met.
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* Note that this is also the case if no existing lock exists for the file.
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*
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* @param int $targetType \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @throws LockedException
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* @since 9.1.0
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*/
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public function changeLock($targetType);
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/**
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* Release an existing lock.
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*
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* This will also free up the shared locks on any parent folder that were automatically acquired when locking the file.
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*
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* Note that this method will not give any sort of error when trying to free a lock that doesn't exist.
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*
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @throws LockedException
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* @since 9.1.0
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*/
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public function unlock($type);
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}
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