Doctrine\OXM\Mapping\ClassMetadata::__sleep PHP Méthode

    public function __sleep()
    {
        // This metadata is always serialized/cached.
        $serialized = array('fieldMappings', 'xmlFieldMap', 'identifier', 'name', 'namespace', 'isRoot', 'xmlName', 'generatorType', 'idGenerator');
        // The rest of the metadata is only serialized if necessary.
        if ($this->lifecycleCallbacks) {
            $serialized[] = 'lifecycleCallbacks';
        }
        if ($this->changeTrackingPolicy != self::CHANGETRACKING_DEFERRED_IMPLICIT) {
            $serialized[] = 'changeTrackingPolicy';
        }
        if ($this->customRepositoryClassName) {
            $serialized[] = 'customRepositoryClassName';
        }
        if ($this->isMappedSuperclass) {
            $serialized[] = 'isMappedSuperclass';
        }
        if ($this->xmlNamespaces) {
            $serialized[] = 'xmlNamespaces';
        }
        return $serialized;
    }