Create thread pool demo

@Component
public class BlacklistRuleHandlerProxy {


    private final static ExecutorService EXECUTOR_SERVICE;


    static {
        EXECUTOR_SERVICE = Executors.newFixedThreadPool(10, new ThreadFactory() {
            private AtomicInteger count = new AtomicInteger(0);
            @Override
            public Thread newThread(@NotNull Runnable r) {
                int i = count.incrementAndGet();
                Thread t = new Thread(r);
                t.setDaemon(true);
                t.setName("blacklist-"+i);
                return t;
            }
        });
    }
}