MySQLPacket.java example

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cobar-master
/*
 * Copyright 1999-2012 Alibaba Group.
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.cobar.jdbc.packet;

/**
 * @author xianmao.hexm
 */
public abstract class MySQLPacket {

    public int packetLength;
    public byte packetId;

    protected abstract String packetInfo();

    @Override
    public String toString() {
        return new StringBuilder().append(packetInfo())
                                  .append("{length=")
                                  .append(packetLength)
                                  .append(",id=")
                                  .append(packetId)
                                  .append('}')
                                  .toString();
    }

}