Exchanger线程拷贝_java8 exchanger 拷贝-优快云博客

本文链接：https://blog.youkuaiyun.com/u011153869/article/details/54965262

本文介绍了一个使用Java实现的简单Exchanger示例，通过Producer和Consumer线程展示如何利用Exchanger进行数据交换。Producer线程负责生成随机整数列表，而Consumer线程接收这些列表并打印出来。

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import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.concurrent.Exchanger;

/**
 * Created by yuanyong on 17/2/8.
 */
public class ThreadLocalTest {
    public static void main(String[] args) {
        Exchanger<List<Integer>> exchanger = new Exchanger<List<Integer>>();
        new Consumer(exchanger).start();
        new Producer(exchanger).start();
    }

}

class Producer extends Thread {
    List<Integer> list = new ArrayList<Integer>();
    Exchanger<List<Integer>> exchanger = null;
    public Producer(Exchanger<List<Integer>> exchanger) {
        super();
        this.exchanger = exchanger;
    }
    @Override
    public void run() {
        Random rand = new Random();
        for(int i=0; i<10; i++) {
            list.clear();
            list.add(rand.nextInt(10000));
            list.add(rand.nextInt(10000));
            list.add(rand.nextInt(10000));
            list.add(rand.nextInt(10000));
            list.add(rand.nextInt(10000));
            try {
                list = exchanger.exchange(list);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}

class Consumer extends Thread {
    List<Integer> list = new ArrayList<Integer>();
    Exchanger<List<Integer>> exchanger = null;
    public Consumer(Exchanger<List<Integer>> exchanger) {
        super();
        this.exchanger = exchanger;
    }
    @Override
    public void run() {
        for(int i=0; i<10; i++) {
            try {
                list = exchanger.exchange(list);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            System.out.print(list.get(0)+", ");
            System.out.print(list.get(1)+", ");
            System.out.print(list.get(2)+", ");
            System.out.print(list.get(3)+", ");
            System.out.println(list.get(4)+", ");
        }
    }
}