* * 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 Symfony\Component\Security\Acl\Exception\InvalidDomainObjectException; use Symfony\Component\Security\Acl\Model\ObjectIdentityRetrievalStrategyInterface; /** * Strategy to be used for retrieving object identities from domain objects * * @author Johannes M. Schmitt */ class ObjectIdentityRetrievalStrategy implements ObjectIdentityRetrievalStrategyInterface { /** * {@inheritDoc} */ public function getObjectIdentity($domainObject) { try { return ObjectIdentity::fromDomainObject($domainObject); } catch (InvalidDomainObjectException $failed) { return null; } } }