CompletableFuture的使用

 1 List<List<String>> subList = CommonUtils.splitList(pendingIds, 500);

private static final ThreadFactory NAMED_THREAD_FACTORY =

 2                 new ThreadFactoryBuilder().setNameFormat("syncContractLine-pool-%d").build();
 3         ThreadPoolExecutor threadPool = new ThreadPoolExecutor(10, 20, 500, TimeUnit.MILLISECONDS,
 4                 new LinkedBlockingQueue<>(500), NAMED_THREAD_FACTORY, new ThreadPoolExecutor.AbortPolicy());
 5         IRequestContext current = RequestContextManager.getCurrent();
 6         List<CompletableFuture<Void>> futureList = new ArrayList<>();
 7         for (List<String> subPendingIds : subList) {
 8             CompletableFuture<Void> future = CompletableFuture.runAsync(() -> {
 9                 RequestContextManager.setCurrent(current);
10                 LOGGER.info("handle contractLines start");
11                 if (CommonUtils.isNotEmpty(subPendingIds)) {
12                     for (String id : subPendingIds) {
13                         map.put("contract", id);
14                         iContractHeaderInfoService.syncContractLineInfo(map);
15                     }
16                 }
17                 LOGGER.info("handle contractLines end");
18             }, threadPool);
19             futureList.add(future);
20         }
21         CompletableFuture.allOf(futureList.toArray(new CompletableFuture[futureList.size()])).join();
22         threadPool.shutdown();