vendor/codeages/symfony-lock-lite/Key.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;

/**
 * Key is a container for the state of the locks in stores.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 */
final class Key
{
    private $resource;
    private $state = array();

    /**
     * @param string $resource
     */
    public function __construct($resource)
    {
        $this->resource = (string) $resource;
    }

    public function __toString()
    {
        return $this->resource;
    }

    /**
     * @param string $stateKey
     *
     * @return bool
     */
    public function hasState($stateKey)
    {
        return isset($this->state[$stateKey]);
    }

    /**
     * @param string $stateKey
     * @param mixed  $state
     */
    public function setState($stateKey, $state)
    {
        $this->state[$stateKey] = $state;
    }

    /**
     * @param string $stateKey
     */
    public function removeState($stateKey)
    {