vendor/symfony/security-acl/Domain/DoctrineAclCache.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\Security\Acl\Domain;

use Doctrine\Common\Cache\Cache;
use Doctrine\Common\Cache\CacheProvider;
use Symfony\Component\Security\Acl\Model\AclCacheInterface;
use Symfony\Component\Security\Acl\Model\AclInterface;
use Symfony\Component\Security\Acl\Model\ObjectIdentityInterface;
use Symfony\Component\Security\Acl\Model\PermissionGrantingStrategyInterface;

/**
 * This class is a wrapper around the actual cache implementation.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class DoctrineAclCache implements AclCacheInterface
{
    const PREFIX = 'sf2_acl_';

    private $cache;
    private $prefix;
    private $permissionGrantingStrategy;

    /**
     * Constructor.
     *
     * @param Cache                               $cache
     * @param PermissionGrantingStrategyInterface $permissionGrantingStrategy
     * @param string                              $prefix
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(Cache $cache, PermissionGrantingStrategyInterface $permissionGrantingStrategy, $prefix = self::PREFIX)
    {
        if (0 === strlen($prefix)) {
            throw new \InvalidArgumentException('$prefix cannot be empty.');
        }

        $this->cache = $cache;
        $this->permissionGrantingStrategy = $permissionGrantingStrategy;
        $this->prefix = $prefix;
    }

    /**
     * {@inheritdoc}
     */
    public function clearCache()
    {
        if ($this->cache instanceof CacheProvider) {
            $this->cache->deleteAll();