线程通信之生产者消费者阻塞队列版

package com.young.source.thread;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

class MyResource {
    private volatile boolean FLAG = true;//默认开启,进行生产+消费
    private AtomicInteger atomicInteger = new AtomicInteger();
    BlockingQueue blockingQueue = null;

    public MyResource(BlockingQueue blockingQueue) {
        this.blockingQueue = blockingQueue;
        System.out.println(blockingQueue.getClass().getName());
    }

    public void myProd() throws InterruptedException {
        String data = null;
        boolean retValue;
        while (FLAG) {
            data = atomicInteger.incrementAndGet() + "";
            retValue = blockingQueue.offer(data, 2L, TimeUnit.SECONDS);
            if (retValue) {
                System.out.println(Thread.currentThread().getName() + "\t 插入队列" + data + "成功");
            } else {
                System.out.println(Thread.currentThread().getName() + "\t 插入队列" + data + "失败");
            }
            TimeUnit.SECONDS.sleep(1);
        }
        System.out.println(Thread.currentThread().getName() + "\t大老板叫停了,表示FLAG=false,生产动作结束");
    }

    public void myConsumer() throws InterruptedException {
        String result = null;
        while (FLAG) {
            result = blockingQueue.poll(2L, TimeUnit.SECONDS);
            if (null == result || result.equalsIgnoreCase("")) {
                FLAG = false;
                System.out.println(Thread.currentThread().getName() + "\t 超过2秒钟没有取到蛋糕,消费退出");
                return;
            }
            System.out.println(Thread.currentThread().getName() + "\t 消费队列蛋糕" + result + "成功");
        }
    }

    public void stop() {
        this.FLAG = false;
    }

}

/**
 * @author Shaw_Young
 * @date 2020/7/9 1:13
 */
public class ProdConsumerBlockQueueDemo {

    public static void main(String[] args) {
        MyResource myResource = new MyResource(new ArrayBlockingQueue<>(10));
        new Thread(() -> {
            System.out.println(Thread.currentThread().getName() + "\t 生产线程启动");
            System.out.println();
            System.out.println();
            try {
                myResource.myProd();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }, "Prod").start();
        new Thread(() -> {
            System.out.println(Thread.currentThread().getName() + "\t 消费线程启动");
            System.out.println();
            System.out.println();
            try {
                myResource.myConsumer();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }, "Consumer").start();

        try {
            TimeUnit.SECONDS.sleep(5);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("5秒钟时间到,大老板main线程叫停,活动结束");
        myResource.stop();
    }

}