<?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;

/**

 * This interface provides an additional level of indirection, so that

 * we can work with abstracted versions of security objects and do

 * not have to save the entire objects.

 *

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

 */

interface SecurityIdentityInterface

{

    /**

     * This method is used to compare two security identities in order to

     * not rely on referential equality.

     *

     * @param SecurityIdentityInterface $identity

     * @return void

     */

    function equals(SecurityIdentityInterface $identity);

}