You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.5 KiB
90 lines
2.5 KiB
1 year ago
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This file is part of CodeIgniter 4 framework.
|
||
|
|
*
|
||
|
|
* (c) CodeIgniter Foundation <admin@codeigniter.com>
|
||
|
|
*
|
||
|
|
* For the full copyright and license information, please view
|
||
|
|
* the LICENSE file that was distributed with this source code.
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace CodeIgniter\Cache;
|
||
|
|
|
||
|
|
use CodeIgniter\Cache\Exceptions\CacheException;
|
||
|
|
use CodeIgniter\Exceptions\CriticalError;
|
||
|
|
use CodeIgniter\Test\Mock\MockCache;
|
||
|
|
use Config\Cache;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A factory for loading the desired
|
||
|
|
*
|
||
|
|
* @see \CodeIgniter\Cache\CacheFactoryTest
|
||
|
|
*/
|
||
|
|
class CacheFactory
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* The class to use when mocking
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public static $mockClass = MockCache::class;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The service to inject the mock as
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public static $mockServiceName = 'cache';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Attempts to create the desired cache handler, based upon the
|
||
|
|
*
|
||
|
|
* @param non-empty-string|null $handler
|
||
|
|
* @param non-empty-string|null $backup
|
||
|
|
*
|
||
|
|
* @return CacheInterface
|
||
|
|
*/
|
||
|
|
public static function getHandler(Cache $config, ?string $handler = null, ?string $backup = null)
|
||
|
|
{
|
||
|
|
if (! isset($config->validHandlers) || $config->validHandlers === []) {
|
||
|
|
throw CacheException::forInvalidHandlers();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! isset($config->handler) || ! isset($config->backupHandler)) {
|
||
|
|
throw CacheException::forNoBackup();
|
||
|
|
}
|
||
|
|
|
||
|
|
$handler ??= $config->handler;
|
||
|
|
$backup ??= $config->backupHandler;
|
||
|
|
|
||
|
|
if (! array_key_exists($handler, $config->validHandlers) || ! array_key_exists($backup, $config->validHandlers)) {
|
||
|
|
throw CacheException::forHandlerNotFound();
|
||
|
|
}
|
||
|
|
|
||
|
|
$adapter = new $config->validHandlers[$handler]($config);
|
||
|
|
|
||
|
|
if (! $adapter->isSupported()) {
|
||
|
|
$adapter = new $config->validHandlers[$backup]($config);
|
||
|
|
|
||
|
|
if (! $adapter->isSupported()) {
|
||
|
|
// Fall back to the dummy adapter.
|
||
|
|
$adapter = new $config->validHandlers['dummy']();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If $adapter->initialization throws a CriticalError exception, we will attempt to
|
||
|
|
// use the $backup handler, if that also fails, we resort to the dummy handler.
|
||
|
|
try {
|
||
|
|
$adapter->initialize();
|
||
|
|
} catch (CriticalError $e) {
|
||
|
|
log_message('critical', $e . ' Resorting to using ' . $backup . ' handler.');
|
||
|
|
|
||
|
|
// get the next best cache handler (or dummy if the $backup also fails)
|
||
|
|
$adapter = self::getHandler($config, $backup, 'dummy');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $adapter;
|
||
|
|
}
|
||
|
|
}
|