<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Robin Appelman <robin@icewind.nl>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 * @author Vincent Petry <vincent@nextcloud.com>
 *
 * @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 OC\Lock;

use OCP\Lock\ILockingProvider;

/**
 * Locking provider that does nothing.
 *
 * To be used when locking is disabled.
 */
class NoopLockingProvider implements ILockingProvider {

	/**
	 * {@inheritdoc}
	 */
	public function isLocked(string $path, int $type): bool {
		return false;
	}

	/**
	 * {@inheritdoc}
	 */
	public function acquireLock(string $path, int $type, ?string $readablePath = null): void {
		// do nothing
	}

	/**
	 * {@inheritdoc}
	 */
	public function releaseLock(string $path, int $type): void {
		// do nothing
	}

	/**1
	 * {@inheritdoc}
	 */
	public function releaseAll(): void {
		// do nothing
	}

	/**
	 * {@inheritdoc}
	 */
	public function changeLock(string $path, int $targetType): void {
		// do nothing
	}
}