package com.dy.rtuMw.server.tasks;
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import com.dy.common.mw.core.CoreTask;
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import com.dy.common.queue.Node;
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import com.dy.rtuMw.server.mqtt.DevStatusDealer;
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import com.dy.rtuMw.server.mqtt.MqttSubMsgCache;
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import com.dy.rtuMw.server.mqtt.MqttSubMsgNode;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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/**
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* @Author: liurunyu
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* @Date: 2025/6/4 16:25
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* @Description
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*/
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public class MqttSubMessageConstantTask extends CoreTask {
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private static final Logger log = LogManager.getLogger(MqttSubMessageConstantTask.class.getName());
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/**
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* 在单线程环境中运行
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*/
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@Override
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public Integer execute() {
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try{
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dealOneline() ;
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}catch(Exception e){
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log.error("更新RTU会话上报数据时刻时发生集合操作异常，此异常并不影响系统正常运行", e);
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}
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try{
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dealMqMsg() ;
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}catch(Exception e){
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log.error(e);
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}
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return MqttSubMsgCache.size()>0?0:1 ;
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}
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private void dealOneline(){
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DevStatusDealer.updateOnLineState();
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}
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/**
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* 处理MQTT订阅的消息
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*/
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private void dealMqMsg() {
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Node first = MqttSubMsgCache.getFirstQueueNode() ;
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if(first != null){
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Node last = MqttSubMsgCache.getLastQueueNode() ;
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while (last != null){
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last = this.doDealMqMsg(first, last);
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}
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}
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}
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/**
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* 处理缓存的上行数据节点
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* @param first 第一个节点
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* @param last 最后一个节点
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*/
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private Node doDealMqMsg(Node first, Node last){
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if(last != null){
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//在dealNode方法中，可能要把last从队列中移除，这时last.pre为空，所以提前把last.pre取出来
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Node pre = last.pre ;
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dealNode(last) ;
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if(first != last){
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return pre ;
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}else{
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//停止
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return null ;
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}
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}else{
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return null ;
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}
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}
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/**
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* 处理一个节点
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* @param node 节点
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*/
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private void dealNode(Node node){
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if(node != null && node.obj != null){
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MqttSubMsgNode obj = (MqttSubMsgNode)node.obj ;
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obj.dealSelf() ;
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MqttSubMsgCache.removeNode(node);
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}
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}
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}
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