_service.getLockingStrategy().getExecutorService().shutdown();
ExecutorService executorService = _service.getLockingStrategy().getExecutorService(); executorService.shutdown(); executorService.awaitTermination(1, SECONDS);
_service.getLockingStrategy().getExecutorService().shutdown();
ExecutorService executorService = _service.getLockingStrategy().getExecutorService(); executorService.shutdown(); executorService.awaitTermination(1, SECONDS);