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symfony/src/Symfony/Component/PropertyInfo/PropertyInfoCacheExtractor.php
Nicolas Grekas 444a840ea5 Merge branch '3.2' into 3.3
* 3.2:
  use Precise on Travis to keep PHP LDAP support
  Fix case sensitive sameSite cookie
  [PropertyInfo] Use rawurlencode to escape PSR-6 keys
  fix(security): ensure the 'route' index is set before attempting to use it
  [WebProfilerBundle] Fix full sized dump hovering in toolbar
2017-07-21 13:04:46 +02:00

131 lines
3.4 KiB
PHP

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\PropertyInfo;
use Psr\Cache\CacheItemPoolInterface;
/**
* Adds a PSR-6 cache layer on top of an extractor.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*
* @final since version 3.3
*/
class PropertyInfoCacheExtractor implements PropertyInfoExtractorInterface
{
/**
* @var PropertyInfoExtractorInterface
*/
private $propertyInfoExtractor;
/**
* @var CacheItemPoolInterface
*/
private $cacheItemPool;
/**
* @var array
*/
private $arrayCache = array();
public function __construct(PropertyInfoExtractorInterface $propertyInfoExtractor, CacheItemPoolInterface $cacheItemPool)
{
$this->propertyInfoExtractor = $propertyInfoExtractor;
$this->cacheItemPool = $cacheItemPool;
}
/**
* {@inheritdoc}
*/
public function isReadable($class, $property, array $context = array())
{
return $this->extract('isReadable', array($class, $property, $context));
}
/**
* {@inheritdoc}
*/
public function isWritable($class, $property, array $context = array())
{
return $this->extract('isWritable', array($class, $property, $context));
}
/**
* {@inheritdoc}
*/
public function getShortDescription($class, $property, array $context = array())
{
return $this->extract('getShortDescription', array($class, $property, $context));
}
/**
* {@inheritdoc}
*/
public function getLongDescription($class, $property, array $context = array())
{
return $this->extract('getLongDescription', array($class, $property, $context));
}
/**
* {@inheritdoc}
*/
public function getProperties($class, array $context = array())
{
return $this->extract('getProperties', array($class, $context));
}
/**
* {@inheritdoc}
*/
public function getTypes($class, $property, array $context = array())
{
return $this->extract('getTypes', array($class, $property, $context));
}
/**
* Retrieves the cached data if applicable or delegates to the decorated extractor.
*
* @param string $method
* @param array $arguments
*
* @return mixed
*/
private function extract($method, array $arguments)
{
try {
$serializedArguments = serialize($arguments);
} catch (\Exception $exception) {
// If arguments are not serializable, skip the cache
return call_user_func_array(array($this->propertyInfoExtractor, $method), $arguments);
}
// Calling rawurlencode escapes special characters not allowed in PSR-6's keys
$key = rawurlencode($method.'.'.$serializedArguments);
if (array_key_exists($key, $this->arrayCache)) {
return $this->arrayCache[$key];
}
$item = $this->cacheItemPool->getItem($key);
if ($item->isHit()) {
return $this->arrayCache[$key] = $item->get();
}
$value = call_user_func_array(array($this->propertyInfoExtractor, $method), $arguments);
$item->set($value);
$this->cacheItemPool->save($item);
return $this->arrayCache[$key] = $value;
}
}