LockingStrategyInterface.php

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<?php
namespace TYPO3\CMS\Core\Locking;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Core\Locking\Exception\LockAcquireException;
use TYPO3\CMS\Core\Locking\Exception\LockAcquireWouldBlockException;
use TYPO3\CMS\Core\Locking\Exception\LockCreateException;

interface LockingStrategyInterface
{
    const LOCK_CAPABILITY_EXCLUSIVE = 1;

    const LOCK_CAPABILITY_SHARED = 2;

    const LOCK_CAPABILITY_NOBLOCK = 4;

    public static function getCapabilities();

    public static function getPriority();

    public function __construct($subject);

    public function acquire($mode = self::LOCK_CAPABILITY_EXCLUSIVE);

    public function release();

    public function destroy();

    public function isAcquired();
}