//使用緩沖區(qū)解決生產(chǎn)者消費(fèi)者模型
public class TestPC {
    public static void main(String[] args) {
        SynContainer container = new SynContainer();
        new Producer(container).start();
        new Consumer(container).start();
    }
}
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class Producer extends Thread{
    SynContainer synContainer;
    public Producer(SynContainer synContainer){
        this.synContainer = synContainer;
    }
    //  生產(chǎn)
    @Override
    public void run() {
        for (int i = 0; i < 100; i++) {
            synContainer.push(new Chicken(i));
            System.out.println("生產(chǎn)了"+i+"只雞");
        }
    }
}
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class Consumer extends Thread{
    SynContainer synContainer;
    public Consumer(SynContainer synContainer){
        this.synContainer = synContainer;
    }
    //  消費(fèi)
    @Override
    public void run() {
        for (int i = 0; i < 100; i++) {
            System.out.println("消費(fèi)了-->"+synContainer.pop().id+"只雞");
        }
    }
}
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//產(chǎn)品
class Chicken{
    int id;
    public Chicken(int id) {
        this.id = id;
    }
}
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//緩沖區(qū)
class SynContainer{
    Chicken[] chickens = new Chicken[10];
    int count = 0;
    //生產(chǎn)者放入產(chǎn)品
    public synchronized void push(Chicken chicken){
        //如果容器滿了就要等到消費(fèi)者消費(fèi)
        if (count==chickens.length){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            //通知消費(fèi)者消費(fèi)，自身進(jìn)入等待
        }
        //沒有滿的話則生產(chǎn)
        chickens[count] = chicken;
        count++;
        //通知消費(fèi)者消費(fèi)
        this.notifyAll();
    }
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    //生產(chǎn)者消費(fèi)產(chǎn)品
    public synchronized Chicken pop(){
        if (count==0){
            //等待生產(chǎn)者生產(chǎn)
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        count--;
        Chicken chicken = chickens[count];
        //消費(fèi)了，可以通知生產(chǎn)者繼續(xù)生產(chǎn)
        this.notifyAll();
        return chicken;
    }
}

//信號燈法測試生產(chǎn)者消費(fèi)者模型 即標(biāo)志位
public class TestPC2 {
    public static void main(String[] args) {
        TV tv = new TV();
        new Player(tv).start();
        new Audiance(tv).start();
    }
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}
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//生產(chǎn)者-->演員
class Player extends Thread {
    TV tv;
    public Player(TV tv){
        this.tv = tv;
    }
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    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
            if (i%2==0){
                this.tv.play("天天向上");
            }else {
                this.tv.play("抖音廣告");
            }
        }
    }
}
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//消費(fèi)者-->觀眾
class  Audiance extends Thread{
    TV tv;
    public Audiance(TV tv){
        this.tv = tv;
    }
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    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
            tv.watch();
        }
    }
}
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//產(chǎn)品-->節(jié)目
class TV{
    //演員表演 觀眾等待 T
    //觀眾觀看 演員等待 F
    String show;//表演的節(jié)目
    boolean flag = true;
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    //表演
    public synchronized void play(String show){
        if (!flag){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("演員表演了："+show);
        //通知觀眾
        this.notifyAll();
        this.show = show;
        this.flag = !this.flag;
    }
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    //觀看
    public synchronized void watch(){
        if (flag){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("觀看了"+show);
        //通知演員表演
        this.notifyAll();
        this.flag = !this.flag;
    }
}