51 lines
1.4 KiB
PHP
51 lines
1.4 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Security\Acl\Model;
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/**
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* Represents the identity of an individual domain object instance.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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interface ObjectIdentityInterface
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{
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/**
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* We specifically require this method so we can check for object equality
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* explicitly, and do not have to rely on referencial equality instead.
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*
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* Though in most cases, both checks should result in the same outcome.
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*
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* Referential Equality: $object1 === $object2
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* Example for Object Equality: $object1->getId() === $object2->getId()
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*
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* @param ObjectIdentityInterface $identity
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*
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* @return bool
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*/
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public function equals(ObjectIdentityInterface $identity);
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/**
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* Obtains a unique identifier for this object. The identifier must not be
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* re-used for other objects with the same type.
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*
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* @return string cannot return null
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*/
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public function getIdentifier();
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/**
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* Returns a type for the domain object. Typically, this is the PHP class name.
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*
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* @return string cannot return null
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*/
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public function getType();
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}
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