friendica/src/Core/Cache/Factory/Cache.php

126 lines
3.6 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Core\Cache\Factory;
use Friendica\App\BaseURL;
use Friendica\Core\Cache\Enum;
use Friendica\Core\Cache\Capability\ICanCache;
use Friendica\Core\Cache\Exception\CachePersistenceException;
use Friendica\Core\Cache\Exception\InvalidCacheDriverException;
use Friendica\Core\Cache\Type;
use Friendica\Core\Config\Capability\IManageConfigValues;
use Friendica\Database\Database;
use Friendica\Util\Profiler;
use Psr\Log\LoggerInterface;
/**
* Class CacheFactory
*
* @package Friendica\Core\Cache
*
* A basic class to generate a CacheDriver
*/
class Cache
{
/**
* @var string The default cache if nothing set
*/
const DEFAULT_TYPE = Enum\Type::DATABASE;
/**
* @var IManageConfigValues The IConfiguration to read parameters out of the config
*/
private $config;
/**
* @var Database The database connection in case that the cache is used the dba connection
*/
private $dba;
/**
* @var string The hostname, used as Prefix for Caching
*/
private $hostname;
/**
* @var Profiler The optional profiler if the cached should be profiled
*/
private $profiler;
/**
* @var LoggerInterface The Friendica Logger
*/
private $logger;
public function __construct(BaseURL $baseURL, IManageConfigValues $config, Database $dba, Profiler $profiler, LoggerInterface $logger)
{
$this->hostname = $baseURL->getHostname();
$this->config = $config;
$this->dba = $dba;
$this->profiler = $profiler;
$this->logger = $logger;
}
/**
* This method creates a CacheDriver for the given cache driver name
*
* @param string|null $type The cache type to create (default is per config)
*
* @return ICanCache The instance of the CacheDriver
*
* @throws InvalidCacheDriverException In case the underlying cache driver isn't valid or not configured properly
* @throws CachePersistenceException In case the underlying cache has errors during persistence
*/
public function create(string $type = null): ICanCache
{
if (empty($type)) {
$type = $this->config->get('system', 'cache_driver', self::DEFAULT_TYPE);
}
switch ($type) {
case Enum\Type::MEMCACHE:
$cache = new Type\MemcacheCache($this->hostname, $this->config);
break;
case Enum\Type::MEMCACHED:
$cache = new Type\MemcachedCache($this->hostname, $this->config, $this->logger);
break;
case Enum\Type::REDIS:
$cache = new Type\RedisCache($this->hostname, $this->config);
break;
case Enum\Type::APCU:
$cache = new Type\APCuCache($this->hostname);
break;
default:
$cache = new Type\DatabaseCache($this->hostname, $this->dba);
}
$profiling = $this->config->get('system', 'profiling', false);
// In case profiling is enabled, wrap the ProfilerCache around the current cache
if (isset($profiling) && $profiling !== false) {
return new Type\ProfilerCacheDecorator($cache, $this->profiler);
} else {
return $cache;
}
}
}