public function createRepository($className, ObjectIdentifier $identifier)
    {
        switch ($this->type) {
            case self::TYPE_FILE:
                return new FileRepository($this->getFileName($className), $identifier);

            default:
                return new InMemoryRepository($identifier);
        }
    }
public function createRepository($className, ObjectIdentifier $identifier)
    {
        switch ($this->type) {
            case self::TYPE_FILE:
                return new FileRepository($this->getFileName($className), $identifier);

            default:
                return new InMemoryRepository($identifier);
        }
    }
@param string           $className
@param ObjectIdentifier $identifier

@return Repository