TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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!
+ */
+
+namespace TYPO3\CMS\Core\Cache\Backend;
+
+use Psr\Log\LoggerAwareInterface;
+use Psr\Log\LoggerAwareTrait;
+use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
+use TYPO3\CMS\Core\Log\LogManager;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * An abstract caching backend
+ */
+abstract class AbstractBackend implements BackendInterface, LoggerAwareInterface
+{
+    use LoggerAwareTrait;
+
+    protected string $cacheIdentifier;
+
+    /**
+     * Default lifetime of a cache entry in seconds
+     */
+    protected int $defaultLifetime = 3600;
+
+    /**
+     * @param array $options Configuration options - depends on the actual backend
+     */
+    public function __construct(array $options = [])
+    {
+        foreach ($options as $optionKey => $optionValue) {
+            $methodName = 'set' . ucfirst($optionKey);
+            if (method_exists($this, $methodName)) {
+                $this->{$methodName}($optionValue);
+            } else {
+                throw new \InvalidArgumentException('Invalid cache backend option "' . $optionKey . '" for backend of type "' . static::class . '"', 1231267498);
+            }
+        }
+        // Init logger. This is forces, even if $options['logger'] has been set, which shouldn't.
+        $this->logger = GeneralUtility::makeInstance(LogManager::class)->getLogger(static::class);
+    }
+
+    public function setCache(FrontendInterface $cache): void
+    {
+        $this->cacheIdentifier = $cache->getIdentifier();
+    }
+
+    /**
+     * Sets the default lifetime for this cache backend
+     *
+     * @param int $defaultLifetime Default lifetime of this cache backend in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
+     * @internal Misused for testing purposes.
+     * @todo: Fix tests and protect or remove
+     */
+    public function setDefaultLifetime(int $defaultLifetime): void
+    {
+        if ($defaultLifetime < 0) {
+            throw new \InvalidArgumentException('The default lifetime must be given as a positive integer.', 1233072774);
+        }
+        $this->defaultLifetime = $defaultLifetime;
+    }
+}