原文地址:https://blog.csdn.net/sgl520lxl/article/details/119757232
log.info("---主线程开始"); List<Future> futureList = new ArrayList<>(); List<VideoInfoDTO> videos = specsConfig.getVideos(); if (CollectionUtils.isNotEmpty(videos)) { videos.forEach(video ->{ Future future = videoCheckService.videoCheck(video,jsonVO.get()); futureList.add(future); }); } Set<String> msgResult = new HashSet<>(); while (true) { if (CollectionUtils.isNotEmpty(futureList)) { boolean isAllDone = true; for (Future future : futureList) { if (null == future || !future.isDone()) { isAllDone = false; }else { try { String msg = (String) future.get(); if (StringUtils.isNotEmpty(msg)) { msgResult.add(msg); } } catch (Exception e) { log.info("---视频校验线程池处理单个视频校验出错!error:{}",ErrorUtils.errInfo(e)); } } } if (isAllDone) { break; } } } log.info("---主线程结束");
@Override @Async("checkVideoExecutor") public Future videoCheck(VideoInfoDTO videoInfo, SpecsConfigJsonVO vo){ String msg = "视频:" + videoInfo.getVideoName(); boolean pass = true; //校验规格 VideoInfoVo infoVo = mediaService.getVideoInfo(videoInfo.getVideoId()); if (!Optional.ofNullable(infoVo).isPresent()) { msg = msg + ",查询不到上传视频信息!"; return new AsyncResult(msg); } if (vo.getFileSizeUpperLimit() != null && !BigDecimal.ZERO.equals(vo.getFileSizeUpperLimit())) { int fileSizeUpper = getFireSize(vo,2); if (infoVo.getFileSize().intValue() > fileSizeUpper) { msg = msg + "文件大小大于最大文件大小!"; pass = false; } } if (pass){ return new AsyncResult(""); }else { return new AsyncResult(msg); } }
videoCheckService 的 videoCheck方法相当于是执行子线程逻辑的一个方法,使用了线程池注解@Async。
大体逻辑就是每个子线程方法都会有一个返回对象Future,然后主线程代码逻辑里有一个while循环再一直判断所有的子线程是否已经全部完成了,完成了那么主线程再开始走下一步
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原文链接:https://blog.csdn.net/sgl520lxl/article/details/119757232