netty源码：（40）ReplayingDecoder

ReplayingDecoder是ByteToMessageDecoder的子类，我们继承这个类时，也要实现decode方法，示例如下：

package cn.edu.tju;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ReplayingDecoder;

import java.nio.charset.Charset;
import java.util.List;

public class MyLongReplayingDecoder extends ReplayingDecoder {
    @Override
    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List