线程池创建

    static final int poolSize = 50;
    static final long keepAliveTime = 0L;
    static final ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("Thread-pool-MlanguageNavigationAspect-%d").setDaemon(true).build();
    static final ExecutorService executorService = new ThreadPoolExecutor(
            poolSize,
            poolSize,
            keepAliveTime,
            TimeUnit.MILLISECONDS,
            //无界队列 LinkedBlockingQueue
            //有界队列 ArrayBlockingQueue PriorityBlockingQueue
            //同步移交 SynchronousQueue
            new LinkedBlockingQueue<Runnable>(),
            threadFactory,
            //AbortPolicy中止策略
            //DiscardPolicy抛弃策略
            //DiscardOldestPolicy抛弃旧任务策略
            //CallerRunsPolicy调用者运行
            new ThreadPoolExecutor.AbortPolicy());