<?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\Cache\Adapter;
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use Psr\SimpleCache\CacheInterface;
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use Symfony\Component\Cache\PruneableInterface;
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use Symfony\Component\Cache\ResettableInterface;
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use Symfony\Component\Cache\Traits\ProxyTrait;
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/**
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* Turns a PSR-16 cache into a PSR-6 one.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class Psr16Adapter extends AbstractAdapter implements PruneableInterface, ResettableInterface
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{
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use ProxyTrait;
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/**
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* @internal
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*/
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protected const NS_SEPARATOR = '_';
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private $miss;
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public function __construct(CacheInterface $pool, string $namespace = '', int $defaultLifetime = 0)
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{
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parent::__construct($namespace, $defaultLifetime);
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$this->pool = $pool;
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$this->miss = new \stdClass();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch(array $ids)
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{
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foreach ($this->pool->getMultiple($ids, $this->miss) as $key => $value) {
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if ($this->miss !== $value) {
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yield $key => $value;
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function doHave($id)
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{
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return $this->pool->has($id);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doClear($namespace)
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{
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return $this->pool->clear();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete(array $ids)
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{
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return $this->pool->deleteMultiple($ids);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave(array $values, int $lifetime)
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{
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return $this->pool->setMultiple($values, 0 === $lifetime ? null : $lifetime);
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}
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}
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