netty（二）- NioEventLoop

EventLoop

继承java.util.concurrent.ScheduledExecutorService，具备线程池所有方法（可以当线程池使用）继承io.netty.util.concurrent.OrderedEventExecutor，顺序执行任务

NioEventLoop ：IO任务、定时任务、普通任务
DefaultEventLoop：定时任务、普通任务

package com.lb.netty.record;

import io.netty.channel.DefaultEventLoop;
import io.netty.channel.DefaultEventLoopGroup;
import io.netty.channel.EventLoop;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoop;
import io.netty.channel.nio.NioEventLoopGroup;

import java.util.concurrent.TimeUnit;

public class IbTask {

    public static void main(String[] args) throws InterruptedException {
        EventLoopGroup eventLoop = new NioEventLoopGroup();

        EventLoopGroup defaultEventLoop = new DefaultEventLoopGroup();
        eventLoop.next().execute(() -> {
            System.out.println("EventLoopGroup-普通任务");
        });

        eventLoop.next().scheduleAtFixedRate(() -> {
            System.out.println("EventLoopGroup-定时任务");
        },0,1, TimeUnit.SECONDS);

        defaultEventLoop.next().execute(() -> {
            System.out.println("DefaultEventLoop-普通任务");
        });

        defaultEventLoop.next().scheduleAtFixedRate(() -> {
            System.out.println("DefaultEventLoop-定时任务");
        },0,1, TimeUnit.SECONDS);

        TimeUnit.SECONDS.sleep(10);

        defaultEventLoop.shutdownGracefully();
        eventLoop.shutdownGracefully();
    }
}