hi...
i have implemented a onTop caching system for doctrine. if i get a entity
from my cache system, i have to say doctrine that this entity have to
managed. so i "merge" this on my entityManager.
public function getById($id, $cacheLifetime = null) {
if ($this->useCache) {
$cacheId = $this->generateCacheId($id);
$object = $this->getResultCache()->fetch($cacheId);
if ($object instanceof DBEntityInterface) {
return $this->getEntityManager()->merge($object);
}
}
$object = parent::getById($id); //get from DB
if ($this->useCache && $object instanceof DBEntityInterface) {
$this->saveToCache($object, is_int($cacheLifetime) ?
$cacheLifetime : $this->getCacheLifetime());
return $object;
}
return null;
}
but this call:
return $this->getEntityManager()->merge($object);
after get the object from the cache, will end in a "select" this entity
from the database. this behavior is contra productiv for a caching system.
how can i say doctrine, that this object from the cache is a valid entitiy
without refetch?
any tips ?
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