com.gitee.huanminabc.utils_common.multithreading.aqs.marriagephaser.MarriagePhaserDemo Maven / Gradle / Ivy
package com.gitee.huanminabc.utils_common.multithreading.aqs.marriagephaser;
import com.gitee.huanminabc.utils_common.base.UniversalException;
import java.util.Random;
import java.util.concurrent.Phaser;
import java.util.concurrent.TimeUnit;
public class MarriagePhaserDemo {
static MarriagePhaser phaser = new MarriagePhaser();
static Random r = new Random();
static void milliSleep(int milli){
try {
TimeUnit.MICROSECONDS.sleep(milli);
} catch (InterruptedException e) {
UniversalException.logError(e);
}
}
//定义一个婚礼的阶段
static class MarriagePhaser extends Phaser{
/**
* 重写这个方法,在每个阶段结束的时候会调用这个方法
* @param phase 当前阶段,从0开始
* @param registeredParties 当前进来的人数
* @return
*/
@Override
protected boolean onAdvance(int phase, int registeredParties) {
switch (phase){
case 0 ://第一个阶段
System.out.println("所有人都到齐了！" + registeredParties);
System.out.println();
return false;
case 1://第二个阶段
System.out.println("所有人都吃完了！" + registeredParties);
System.out.println();
return false;
case 2://第三个阶段
System.out.println("所有人都离开了！" + registeredParties);
System.out.println();
return false;
case 3://第四个阶段
System.out.println("婚礼结束！新郎新娘抱抱!" + registeredParties);
System.out.println();
return true;
default:
return true;
}
}
}
static class Person implements Runnable{
String name;
public Person(String name) {
this.name = name;
}
public void arrive(){
milliSleep(r.nextInt(1000));
System.out.printf("%s 到达现场！\n", name);
phaser.arriveAndAwaitAdvance(); //到达这个相位器并等待其他人到达
}
public void eat(){
milliSleep(r.nextInt(1000));
System.out.printf("%s 吃完！\n", name);
phaser.arriveAndAwaitAdvance();
}
public void leave(){
milliSleep(r.nextInt(1000));
System.out.printf("%s 离开！\n", name);
phaser.arriveAndAwaitAdvance();
}
public void hug(){
if(name.equals("新郎") || name.equals("新娘")){
milliSleep(r.nextInt(1000));
System.out.printf("%s 洞房！\n", name);
phaser.arriveAndAwaitAdvance();
}else {
phaser.arriveAndDeregister();
}
}
@Override
public void run() {
arrive();//第一个阶段,到达现场
eat(); //第二个阶段,吃饭,吃完
leave();//第三个阶段,离开
hug();//第四个阶段,洞房
}
}
public static void main(String[] args) {
//注册人数一共七个人 ,有5个嘉宾，加上新郎，新娘
phaser.bulkRegister(7);
//创建5个线程
for (int i = 0; i < 5; i++) {
new Thread(new Person("p" + i)).start();
}
//创建新郎和新娘
new Thread(new Person("新郎")).start();
new Thread(new Person("新娘")).start();
}
}