/
CacheSweeper.php
78 lines (64 loc) · 2.02 KB
/
CacheSweeper.php
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<?php
namespace Michelv\DoctrineCacheSweeperBundle;
use Doctrine\ORM\Event\OnFlushEventArgs;
use Doctrine\Common\Cache\Cache;
class CacheSweeper
{
protected $services = array();
/**
* Allow any service or class that implements CacheSweepableInterface
* to provide cache keys to clear
*
* @param CacheSweepableInterface $service
*/
public function addService(CacheSweepableInterface $service)
{
$this->services[] = $service;
}
/**
* Gather the cache keys to clear
*
* @param OnFlushEventArgs $eventArgs
*/
public function onFlush(OnFlushEventArgs $eventArgs)
{
$em = $eventArgs->getEntityManager();
$cache = $em->getConfiguration()->getResultCacheImpl();
if (!($cache instanceof Cache)) {
// no result cache, no point gathering cache keys
return;
}
$uow = $em->getUnitOfWork();
$operations = array(
'insert' => $uow->getScheduledEntityInsertions(),
'update' => $uow->getScheduledEntityUpdates(),
'delete' => $uow->getScheduledEntityDeletions(),
);
$keys = array();
foreach ($operations as $type => $entities) {
foreach ($entities as $entity) {
$repository = $em->getRepository(get_class($entity));
if ($repository instanceof CacheSweepableInterface) {
$keys = array_merge($keys, $repository->getSweepableKeys($entity, $type));
}
foreach ($this->services as $service) {
$keys = array_merge($keys, $service->getSweepableKeys($entity, $type));
}
}
}
$this->clearCache($cache, $keys);
}
/**
* Delete the cache keys
*
* @param Cache $cache
* @param array $keys
*/
protected function clearCache(Cache $cache, $keys)
{
$keys = array_unique($keys);
foreach ($keys as $key) {
$cache->delete($key);
}
}
}