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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCP\Files\ObjectStore;
use OCP\Files\NotFoundException;
/**
* Interface IObjectStore
*
* @since 7.0.0
*/
interface IObjectStore {
/**
* @return string the container or bucket name where objects are stored
* @since 7.0.0
*/
public function getStorageId();
/**
* @param string $urn the unified resource name used to identify the object
* @return resource stream with the read data
* @throws \Exception when something goes wrong, message will be logged
* @throws NotFoundException if file does not exist
* @since 7.0.0
*/
public function readObject($urn);
/**
* @param string $urn the unified resource name used to identify the object
* @param resource $stream stream with the data to write
* @param string|null $mimetype the mimetype to set for the remove object @since 22.0.0
* @throws \Exception when something goes wrong, message will be logged
* @since 7.0.0
*/
public function writeObject($urn, $stream, string $mimetype = null);
/**
* @param string $urn the unified resource name used to identify the object
* @return void
* @throws \Exception when something goes wrong, message will be logged
* @since 7.0.0
*/
public function deleteObject($urn);
/**
* Check if an object exists in the object store
*
* @param string $urn
* @return bool
* @since 16.0.0
*/
public function objectExists($urn);
/**
* @param string $from the unified resource name used to identify the source object
* @param string $to the unified resource name used to identify the target object
* @return void
* @since 21.0.0
*/
public function copyObject($from, $to);
}
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