vendor/codeages/symfony-lock-lite/Store/FlockStore.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Lock\Store;

use Symfony\Component\Lock\Exception\InvalidArgumentException;
use Symfony\Component\Lock\Exception\LockConflictedException;
use Symfony\Component\Lock\Exception\LockStorageException;
use Symfony\Component\Lock\Key;
use Symfony\Component\Lock\StoreInterface;

/**
 * FlockStore is a StoreInterface implementation using the FileSystem flock.
 *
 * Original implementation in \Symfony\Component\Filesystem\LockHandler.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 * @author Grégoire Pineau <lyrixx@lyrixx.info>
 * @author Romain Neutron <imprec@gmail.com>
 * @author Nicolas Grekas <p@tchwork.com>
 */
class FlockStore implements StoreInterface
{
    private $lockPath;

    /**
     * @param string $lockPath the directory to store the lock
     *
     * @throws LockStorageException If the lock directory could not be created or is not writable
     */
    public function __construct($lockPath)
    {
        if (!is_dir($lockPath) || !is_writable($lockPath)) {
            throw new InvalidArgumentException(sprintf('The directory "%s" is not writable.', $lockPath));
        }

        $this->lockPath = $lockPath;
    }

    /**
     * {@inheritdoc}
     */
    public function save(Key $key)
    {
        $this->lock($key, false);
    }

    /**
     * {@inheritdoc}
     */
    public function waitAndSave(Key $key)
    {