线程池创建模版

@Configuration
public class CouponTaskThreadPoolConfig {

    @Bean("couponTaskExecutor")
    public ExecutorService couponTaskExecutor() {
        ThreadFactory threadFactory = new ThreadFactory() {
            private final AtomicInteger threadNumber = new AtomicInteger(1);
            @Override
            public Thread newThread(Runnable r) {
                Thread thread = new Thread(r, "coupon-task-pool-" + threadNumber.getAndIncrement());
                thread.setDaemon(false);
                return thread;
            }
        };

        return new ThreadPoolExecutor(
                5,
                20,
                60L,
                TimeUnit.SECONDS,
                new LinkedBlockingQueue<>(100),
                threadFactory,
                new ThreadPoolExecutor.CallerRunsPolicy()
        );
    }
}