package java2;

class TicketRunnable implements Runnable {

    private ThreadLocal<Integer> ticket = new ThreadLocal<>();

    private void setTicket(){
        ticket.set(10);
    }
    private void reduceTicket(){
        ticket.set(ticket.get()-1);
    }

    @Override
    public void run() {
        this.setTicket();
        for (int i = 0; i < 10; i++) {
            //添加同步快
                if (this.ticket.get() > 0) {
                    try {
                        //通过睡眠线程来模拟出最后一张票的抢票场景
                        Thread.sleep(100);
                        this.reduceTicket();
                        System.out.println(Thread.currentThread().getName() + "卖票---->" +this.ticket.get());
                    } catch (Exception e) {
                        e.printStackTrace();
                    }

            }
        }
    }

    public static void main(String[] arg) {
        TicketRunnable t1 = new TicketRunnable();
        new Thread(t1, "线程1").start();
        new Thread(t1, "线程2").start();
    }
}