Semaphore实现限流

@Slf4j
public class Portraitimport implements Callable {
    private TemporaryWorkerService temporaryWorkerService;
    private Semaphore semaphore;
    private MultipartFile file;
    private Integer type;

    public Portraitimport(Semaphore semaphore, MultipartFile file, Integer type, TemporaryWorkerService temporaryWorkerService) {
        this.semaphore = semaphore;
        this.file = file;
        this.type = type;
        this.temporaryWorkerService = temporaryWorkerService;
    }

    @Override
    public Response call() throws Exception {
        Response response = null;
        try {
            semaphore.acquire();
            response = temporaryWorkerService.empPortraitimport(file, type);
        } catch (InterruptedException e) {
            log.error("人像录入失败：{}", file.getOriginalFilename());
            return Response.ofFail(ExceptionCode.VALID_EXCEPTION_CODE, "人像录入失败");
        } finally {
            semaphore.release();
        }
        return response;
    }
}

private static ExecutorService executorService = null;

@Value("${ai.baidu.maxThread:2}")
public void setMaxThread(Integer maxThread) {
    semaphore = new Semaphore(maxThread);
    executorService = Executors.newFixedThreadPool(maxThread);
}

Future submit = executorService.submit(new Portraitimport(semaphore, file, type, temporaryWorkerService));