package com.yolovf.knowledge.test.thread.test;

import lombok.SneakyThrows;

/**
 * @Author: xbcao
 * @Description: TODO
 * @Date: 2023/11/29 18:06:59
 * @Since: jdk1.8
 * @Version: 1.0
 */
public class VipTickets {
    public static void main(String[] args) {
        vipRunnable vipRunnable = new vipRunnable();
        Thread normal = new Thread(vipRunnable,"普通用户");  //普通用户
        Thread vip3 = new Thread(vipRunnable, "vip3会员");  //vip3会员
        Thread vip7 = new Thread(vipRunnable, "vip7会员"); //vip7会员
        normal.start();
        vip3.start();
        vip7.start();
    }
}

class vipRunnable implements Runnable {
    private static int ticketCount = 20;
    @SneakyThrows
    @Override
    public void run() {
        while (true) {
            if ("normal".equals(Thread.currentThread().getName())) {
                Thread.sleep(3000);
            }
            if ("vip3".equals(Thread.currentThread().getName())) {
                Thread.sleep(2000);
            }
            if ("vip7".equals(Thread.currentThread().getName())) {
                Thread.sleep(1000);
            }
            boolean result = synchronizedMethod();
            if (result) {
                break;
            }
        }
    }
        public static synchronized boolean synchronizedMethod() {
            if (ticketCount == 0) {
                return true;
            } else {
                System.out.println(Thread.currentThread().getName() + "正在抢购第" + ticketCount + "张票");
                ticketCount--;
                return false;
            }
        }



}