潘钊 / bsth_control · Files

package com.bsth.vehicle.directive;

/**
 * 
 * @ClassName: MsgIdGenerator 
 * @Description: TODO(指令下发 msgId 生成器) 
 * @author PanZhao
 * @date 2016年6月7日 下午4:38:04 
 *
 */
public class MsgIdGenerator {
	
	private static int msgId = 1;
	
	private final static int MAX_VALUE = Integer.MAX_VALUE - 10;
	
	public synchronized static int getMsgId(){
		msgId ++;
		if(msgId == MAX_VALUE)
			msgId = 0;
		return msgId;
	}
	
	public static void setMsgId(int maxId){
		msgId = maxId;
	}
}