1: <?php
 2: 
 3: /*
 4:  * This file is part of the Symfony package.
 5:  *
 6:  * (c) Fabien Potencier <fabien@symfony.com>
 7:  *
 8:  * For the full copyright and license information, please view the LICENSE
 9:  * file that was distributed with this source code.
10:  */
11: 
12: namespace Symfony\Component\Security\Acl\Model;
13: 
14: /**
15:  * This interface provides an additional level of indirection, so that
16:  * we can work with abstracted versions of security objects and do
17:  * not have to save the entire objects.
18:  *
19:  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
20:  */
21: interface SecurityIdentityInterface
22: {
23:     /**
24:      * This method is used to compare two security identities in order to
25:      * not rely on referential equality.
26:      *
27:      * @param SecurityIdentityInterface $identity
28:      */
29:     public function equals(SecurityIdentityInterface $identity);
30: }
31: