57 lines
1.6 KiB
PHP
57 lines
1.6 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Core\Package\Cache;
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use TYPO3\CMS\Core\Package\Exception\PackageManagerCacheUnavailableException;
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/**
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* Interface for TYPO3 Package cache.
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*
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* This is an implementation detail to abstract the way the PackageManager
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* stores and retrieves package information of installed TYPO3 packages (extensions).
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*
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* In non Composer mode, the implementation remains to be around the availability
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* of a PackageStates.php file, which is used to generate a cache entry of Package objects.
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* in Composer mode, the package information is put in a persistent artifact file.
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*
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* @internal
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*/
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interface PackageCacheInterface
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{
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/**
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* Fetch the (package states) entry from a persistent or transient location
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*/
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public function fetch(): PackageCacheEntry;
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/**
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* Store the entry
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*/
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public function store(PackageCacheEntry $cacheEntry): void;
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/**
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* Invalidate the current entry (only applicable in non Composer mode)
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*/
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public function invalidate(): void;
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/**
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* Identifier that identifies the current state (typically a hash)
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* @throws PackageManagerCacheUnavailableException
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*/
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public function getIdentifier(): string;
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}
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