建立一個線程池（java）

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private ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("billService-pool-%d").build();
private final ExecutorService pool = new ThreadPoolExecutor(20, 20,0L, TimeUnit.MILLISECONDS,new LinkedBlockingQueue<Runnable>(512),threadFactory);

//解析執行個體：

final CountDownLatch countDownLatch = new CountDownLatch(billUploadHistory.size());//線程統計                for (BillUpload billUpload : billUploadHistory) {                    pool.execute(new Runnable() {                        @Override                        public void run() {                            PaybillParser parseService = null;                            if (EnumTypeOfInt.PAY_CHANNEL_WECHAT.getValue().equals(billUpload.getPayChannel())) {                                parseService = new WeixinPaybillParser(billUpload, logId);                            } else if (EnumTypeOfInt.PAY_CHANNEL_ALIPAY.getValue().equals(billUpload.getPayChannel())) {                                parseService = new AliPaybillParser(billUpload, logId);                            }                            if (parseService != null) {                                try {                                    parseService.parse();                                } catch (Exception e) {                                    e.printStackTrace();                                } finally {                                    countDownLatch.countDown();//線程減1                                }                            }                        }                    });                }                try {                    countDownLatch.await();//阻塞直到計數器為0                } catch (InterruptedException e) {                    e.printStackTrace();                }

 

建立一個線程池（java）