events - locator - lazy vs non lazy

gistfile1.aw

// Could the event manager handle this better? I would want the lazy behavior without typing as much...

        $events = StaticEventManager::getInstance();

        // obvious method (Application\Service\StoreService is instanciated even when the event has not been triggered)
        $events->attach('Application\Controller\PaypalController', 'transaction.completed', array($locator->get('Application\Service\StoreService'), 'processTransaction'), 100);

        // lazy method (Application\Service\StoreService is instanciated when the event has been triggered)
        $events->attach('Application\Controller\PaypalController', 'transaction.completed', function($e) use ($locator) {
            $service = $locator->get('Application\Service\StoreService');
            $service->processTransaction($e);
        }, 100);