<?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\Model;

use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;

/**

 * Interface for retrieving security identities from tokens

 *

 * @author Johannes M. Schmitt <schmittjoh@gmail.com>

 */

interface SecurityIdentityRetrievalStrategyInterface

{

    /**

     * Retrieves the available security identities for the given token

     *

     * The order in which the security identities are returned is significant.

     * Typically, security identities should be ordered from most specific to

     * least specific.

     *

     * @param TokenInterface $token

     * @return array of SecurityIdentityInterface implementations

     */

    function getSecurityIdentities(TokenInterface $token);

}