161 lines
3.6 KiB
PHP
161 lines
3.6 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2020 (original work) Open Assessment Technologies SA;
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*/
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declare(strict_types=1);
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namespace oat\oatbox\cache;
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use oat\oatbox\service\ConfigurableService;
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use Psr\Cache\CacheItemInterface;
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use Psr\Cache\CacheItemPoolInterface;
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use Psr\SimpleCache\CacheInterface;
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use Throwable;
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class ItemPoolSimpleCacheAdapter extends ConfigurableService implements CacheItemPoolInterface
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{
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/** @var CacheItemInterface[] */
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private $deferred;
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public const OPTION_CACHE_SERVICE = 'cacheService';
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/**
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* @inheritdoc
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*/
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public function getItem($key)
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{
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$item = $this->getCache()->get($key);
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if ($item) {
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$cacheItem = new CacheItem($key, true);
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$cacheItem->set($item);
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return $cacheItem;
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}
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return new CacheItem($key);
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}
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/**
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* @inheritdoc
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*
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* @return CacheItemInterface[]
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*/
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public function getItems(array $keys = [])
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{
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$items = [];
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foreach ($keys as $key) {
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$items[] = $this->getItem($key);
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}
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return $items;
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}
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/**
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* @inheritdoc
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*/
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public function hasItem($key)
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{
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return $this->getCache()->has($key);
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}
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/**
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* @inheritdoc
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*/
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public function clear()
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{
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return $this->getCache()->clear();
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}
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/**
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* @inheritdoc
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*/
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public function deleteItem($key)
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{
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return $this->getCache()->delete($key);
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}
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/**
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* @inheritdoc
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*/
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public function deleteItems(array $keys)
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{
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return $this->getCache()->deleteMultiple($keys);
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}
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/**
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* @inheritdoc
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*/
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public function save(CacheItemInterface $item)
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{
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return $this->store($item);
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}
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/**
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* @inheritdoc
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*/
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public function saveDeferred(CacheItemInterface $item)
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{
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$this->deferred[$item->getKey()] = $item;
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return true;
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}
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/**
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* @inheritdoc
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*/
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public function commit()
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{
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foreach ($this->deferred as $item) {
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if (!$this->store($item)) {
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return false;
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}
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}
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return true;
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}
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private function getCache(): CacheInterface
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{
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if ($this->hasOption(self::OPTION_CACHE_SERVICE)) {
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return $this->getOption(self::OPTION_CACHE_SERVICE);
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}
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return $this->getServiceLocator()->get(SimpleCache::SERVICE_ID);
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}
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private function store(CacheItemInterface $item): bool
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{
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try {
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return $this->getCache()->set($item->getKey(), $item->get());
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} catch (Throwable $exception) {
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$this->getLogger()->error(
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sprintf(
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'Cache value for %s key has not been saved. %s',
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$item->getKey(),
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$exception->getMessage()
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)
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);
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return false;
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}
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}
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}
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