DatabaseSchemaService.php

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<?php
namespace TYPO3\CMS\Core\Cache;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

class DatabaseSchemaService
{
    public function getCachingFrameworkRequiredDatabaseSchema()
    {
        // Use new to circumvent the singleton pattern of CacheManager
        $cacheManager = new CacheManager;
        $cacheManager->setCacheConfigurations($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']);
        // Cache manager needs cache factory. cache factory injects itself to manager in __construct()
        new CacheFactory('production', $cacheManager);

        $tableDefinitions = '';
        foreach ($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations'] as $cacheName => $_) {
            $backend = $cacheManager->getCache($cacheName)->getBackend();
            if (method_exists($backend, 'getTableDefinitions')) {
                $tableDefinitions .= LF . $backend->getTableDefinitions();
            }
        }

        return $tableDefinitions;
    }

    public function addCachingFrameworkRequiredDatabaseSchemaForInstallUtility(array $sqlString, $extensionKey)
    {
        $sqlString[] = $this->getCachingFrameworkRequiredDatabaseSchema();
        return [$sqlString, $extensionKey];
    }

    public function addCachingFrameworkRequiredDatabaseSchemaForSqlExpectedSchemaService(array $sqlString)
    {
        $sqlString[] = $this->getCachingFrameworkRequiredDatabaseSchema();
        return [$sqlString];
    }
}