package com.qianwen.mdc.collect.service;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.Map;
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import java.util.Set;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import com.qianwen.mdc.collect.cache.WorkstationCache;
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import com.qianwen.mdc.collect.dto.WorkstationDTO;
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import com.qianwen.mdc.collect.entity.iotdb.DeviceState;
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import com.qianwen.mdc.collect.entity.iotdb.ProcessParam;
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import com.qianwen.mdc.collect.enums.FeedbackTimePointEnum;
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import com.qianwen.mdc.collect.mapper.iotdb.ProcessParamMapper;
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import com.qianwen.mdc.collect.vo.FactoryDataVO;
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import cn.hutool.core.util.ObjectUtil;
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/**
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* 设备离线处理服务,超过一定时间无采集数据判定为离线，插入离线状态数据
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*/
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@Service
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public class DeviceOfflineCheckService{
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private static final Logger log = LoggerFactory.getLogger(DeviceOfflineCheckService.class);
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/**
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* 离线判定时长，默认5分钟
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*/
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@Value("${offlineConfigDuration:300000}")
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private long offlineConfigDuration;
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public static final String OFFLINE_VALUE = "4";//离线状态值
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@Autowired
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private ProcessParamService paramService;
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@Autowired
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private WorkstationCache workstationCache;
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@Autowired
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private ProcessParamMapper processParamMapper;
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@Autowired
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private FactoryDataService factoryDataService;
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/**
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* 保存状态固定点数据(state_{workstationId})
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* @param workstationIdList
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*/
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public void checkOffline() {
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//将数据按照工位id分组
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Map<String, WorkstationDTO> workstationsMap = workstationCache.getWorkstations();
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if (ObjectUtil.isEmpty(workstationsMap)) {
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log.info("缓存无设备数据，退出");
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return;
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}
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Set<String> workstationIds = workstationsMap.keySet();
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log.info("离线检查工位总数:{}",workstationsMap.size());
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for(String workstationId :workstationIds) {
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log.info("开始检查工位{}的离线状态",workstationId);
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Long wid = Long.parseLong(workstationId);
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handleWorkstationOffline(wid);
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}
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}
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/**
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* 检查一个工位是否离线，离线则填充离线状态数据
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* @param workstationId
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*/
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public void handleWorkstationOffline(long workstationId) {
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ProcessParam lastParam = processParamMapper.lastParamByWorstationId(workstationId);
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long nowMills = System.currentTimeMillis();
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long onlineRange = nowMills - offlineConfigDuration;
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if(lastParam != null && lastParam.getTime()> onlineRange) {
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//有数据，且在判定时间内-》在线
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return;
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}
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//TODO 这里一直离线是什么数据
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//时间段内无参数，说明设备没采集数据判定为离线，插入状态，然后发送realTime消息给mdc
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ProcessParam statusParam = new ProcessParam();
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statusParam.setTime(nowMills);
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statusParam.setN("DeviceStatus");
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statusParam.setV(OFFLINE_VALUE);
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statusParam.setWorkstationId(workstationId);
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if(lastParam == null || !lastParam.getN().equals("DeviceStatus")) {
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//之前无任何采集的数据(或者上一条不是状态数据)，新加一条离线状态数据
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paramService.insertProcessParam(statusParam);
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}
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//通知mdc更新实时状态
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paramService.sendRealtimeDataMsg(statusParam);
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}
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}
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