/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package com.talent.nio.communicate.handler.intf;
import com.talent.nio.api.Packet;
import com.talent.nio.communicate.ChannelContext;
/**
*
* @author 谭耀武
* @date 2011-12-27
*
*/
public interface PacketHandlerIntf
{
/**
*
* 在发送消息前，将消息序列化（如果没有特殊需求，一般不需要实现此方法，直接return null即可。）
*
* @param packet
* @return
* @throws Exception
*/
byte[] onSend(Packet packet, ChannelContext channelContext) throws Exception;
/**
*
* 处理接收到的消息
*
* @param packet
* @throws Exception
*/
void onReceived(Packet packet, ChannelContext channelContext) throws Exception;
}