使用JUC技术处理IO数据流实例

package com.example.goose.util;

import lombok.extern.slf4j.Slf4j;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicInteger;


@Slf4j
public class Test1 {
    //给数据加ID用的
    static AtomicInteger integer=new AtomicInteger(0);
    public static void main(String[] args) throws InterruptedException, IOException {
        //使数据有序的容器
        BlockingQueue<String> blockingQueue=new LinkedBlockingQueue();
        //接收数据的线程池
        ExecutorService executorService1 = Executors.newFixedThreadPool(4);
        //处理数据的线程池
        ExecutorService executorService2 = Executors.newFixedThreadPool(4);
        //缓冲区
        byte[] readBuffer = new byte[20];
        //模拟数据接收
        for(int i=0;i<10;i++){
            //Mess0内容:2021-07-10 19:30,20
            InputStream inputStream=new FileInputStream("Mess"+i+".txt");
            inputStream.read(readBuffer);
            int finalI = i;

            executorService1.execute(()->{
                try {
                    blockingQueue.put(new String(readBuffer));
                    System.out.println("添加了:Mess"+ finalI +".txt--"+new String(readBuffer));
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            });

            executorService2.execute(()->{
                try {
                    TimeUnit.SECONDS.sleep(2);
                    Hello(blockingQueue.take());
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            });
        }

    }
    public synchronized static void Hello(String s){
        String [] str=s.split(",");
        System.out.println("========");
        System.out.println("id:"+integer.getAndIncrement());
        System.out.println("时间:"+str[0]);
        System.out.println("数据:"+str[1]);
    }
}

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