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91 lines
2.1 KiB
PHP
91 lines
2.1 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\Cache;
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/**
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* Scan files from the storage and save to the cache
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*
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* @since 9.0.0
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*/
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interface IScanner {
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/**
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* @since 9.0.0
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*/
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public const SCAN_RECURSIVE_INCOMPLETE = 2; // only recursive into not fully scanned folders
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/**
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* @since 9.0.0
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*/
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public const SCAN_RECURSIVE = true;
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/**
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* @since 9.0.0
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*/
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public const SCAN_SHALLOW = false;
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/**
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* @since 12.0.0
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*/
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public const REUSE_NONE = 0;
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/**
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* @since 9.0.0
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*/
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public const REUSE_ETAG = 1;
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/**
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* @since 9.0.0
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*/
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public const REUSE_SIZE = 2;
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/**
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* scan a single file and store it in the cache
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*
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* @param string $file
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* @param int $reuseExisting
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* @param int $parentId
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* @param array | null $cacheData existing data in the cache for the file to be scanned
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* @param bool $lock set to false to disable getting an additional read lock during scanning
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* @return array | null an array of metadata of the scanned file
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* @throws \OC\ServerNotAvailableException
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* @throws \OCP\Lock\LockedException
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* @since 9.0.0
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*/
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public function scanFile($file, $reuseExisting = 0, $parentId = -1, $cacheData = null, $lock = true);
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/**
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* scan a folder and all its children
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*
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* @param string $path
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* @param bool $recursive
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* @param int $reuse
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* @param bool $lock set to false to disable getting an additional read lock during scanning
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* @return array | null an array of the meta data of the scanned file or folder
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* @since 9.0.0
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*/
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public function scan($path, $recursive = self::SCAN_RECURSIVE, $reuse = -1, $lock = true);
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/**
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* check if the file should be ignored when scanning
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* NOTE: files with a '.part' extension are ignored as well!
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* prevents unfinished put requests to be scanned
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*
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* @param string $file
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* @return boolean
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* @since 9.0.0
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*/
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public static function isPartialFile($file);
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/**
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* walk over any folders that are not fully scanned yet and scan them
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*
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* @since 9.0.0
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*/
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public function backgroundScan();
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}
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