42 lines
1.2 KiB
PHP
42 lines
1.2 KiB
PHP
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<?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\Config;
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use Symfony\Component\Config\Resource\ResourceInterface;
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/**
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* Interface for ResourceCheckers.
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*
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* When a ResourceCheckerConfigCache instance is checked for freshness, all its associated
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* metadata resources are passed to ResourceCheckers. The ResourceCheckers
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* can then inspect the resources and decide whether the cache can be considered
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* fresh or not.
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*
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* @author Matthias Pigulla <mp@webfactory.de>
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* @author Benjamin Klotz <bk@webfactory.de>
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*/
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interface ResourceCheckerInterface
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{
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/**
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* Queries the ResourceChecker whether it can validate a given
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* resource or not.
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*/
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public function supports(ResourceInterface $metadata): bool;
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/**
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* Validates the resource.
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*
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* @param int $timestamp The timestamp at which the cache associated with this resource was created
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*/
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public function isFresh(ResourceInterface $resource, int $timestamp): bool;
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}
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