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 method can be implemented by domain objects which you want to store
16:  * ACLs for if they do not have a getId() method, or getId() does not return
17:  * a unique identifier.
18:  *
19:  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
20:  */
21: interface DomainObjectInterface
22: {
23:     /**
24:      * Returns a unique identifier for this domain object.
25:      *
26:      * @return string
27:      */
28:     public function getObjectIdentifier();
29: }
30: