package com.moral.api.service.impl;
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import com.alibaba.fastjson.JSONObject;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.moral.api.entity.HistoryHourly;
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import com.moral.api.entity.Sensor;
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import com.moral.api.mapper.HistoryHourlyMapper;
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import com.moral.api.mapper.HistoryMinutelyMapper;
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import com.moral.api.service.HistoryHourlyService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.moral.api.service.SensorService;
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import com.moral.constant.Constants;
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import com.moral.constant.RedisConstants;
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import com.moral.util.AmendUtils;
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import com.moral.util.DateUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Service;
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import org.springframework.util.ObjectUtils;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.OptionalDouble;
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import java.util.Set;
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import java.util.stream.Collectors;
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import java.util.stream.DoubleStream;
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/**
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* <p>
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* 已校准小时表 服务实现类
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* </p>
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*
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* @author moral
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* @since 2021-06-28
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*/
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@Service
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public class HistoryHourlyServiceImpl extends ServiceImpl<HistoryHourlyMapper, HistoryHourly> implements HistoryHourlyService {
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@Autowired
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private HistoryHourlyMapper historyHourlyMapper;
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@Autowired
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private RedisTemplate redisTemplate;
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@Autowired
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private HistoryMinutelyMapper historyMinutelyMapper;
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@Autowired
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private SensorService sensorService;
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@Override
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public void insertHistoryHourly() {
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//时间格式化：yyyy-MM-dd HH:mm
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String format = DateUtils.yyyy_MM_dd_HH_EN;
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//redis获取所有设备mac
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Set<String> macs = redisTemplate.opsForHash().keys(RedisConstants.DEVICE);
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//当前时间，到小时
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Date now = new Date();
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String time = DateUtils.dateToDateString(now, format) + ":00:00";
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QueryWrapper<HistoryHourly> queryWrapper = new QueryWrapper<>();
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queryWrapper.eq("time", time);
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//查询数据库当前小时的条数，如果比macs小，说明需要数据补充
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Integer count = historyHourlyMapper.selectCount(queryWrapper);
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if (macs.size() > count) {
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macs.removeIf(mac -> {
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queryWrapper.clear();
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queryWrapper.eq("time", time);
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queryWrapper.eq("mac", mac);
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Integer num = historyHourlyMapper.selectCount(queryWrapper);
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return num != 0;
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});
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}
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Map<String, Object> params = new HashMap<>();
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//开始时间
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String dateString = DateUtils.getDateStringOfHour(-1, format);
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Date start = DateUtils.getDate(dateString, format);
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//结束时间
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Date end = DateUtils.dataToTimeStampTime(now, format);
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//从分钟表获取数据的分钟表后缀
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String timeUnits = DateUtils.dateToDateString(start, DateUtils.yyyyMM_EN);
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//因子
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QueryWrapper<Sensor> sensorQueryWrapper = new QueryWrapper<>();
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sensorQueryWrapper.select("code").eq("is_delete", Constants.NOT_DELETE);
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List<Object> sensorCodes = sensorService.listObjs(sensorQueryWrapper);
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params.put("timeUnits", timeUnits);
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params.put("start", start);
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params.put("end", end);
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params.put("macs", macs);
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//获取所有设备的1小时内的数据
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List<Map<String, Object>> hourlyData = historyMinutelyMapper.getHistoryMinutelyData(params);
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if (hourlyData.size() == 0) {
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return;
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}
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//按mac分组
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Map<String, List<Map<String, Object>>> data = hourlyData.parallelStream()
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.collect(Collectors.groupingBy(o -> (String) o.get("mac")));
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//存入数据库的结果集
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List<HistoryHourly> insertData = new ArrayList<>();
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data.forEach((key, value) -> {
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HistoryHourly historyHourly = new HistoryHourly();
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historyHourly.setMac(key);
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historyHourly.setTime(end);
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Map<String, Object> jsonMap = new HashMap<>();
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//风向均值计算并修约
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Object windDirAvg = AmendUtils.getWindDirAvg(value);
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if (windDirAvg != null) {
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jsonMap.put(Constants.SENSOR_CODE_WIND_DIR, windDirAvg);
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}
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//除风向外其他因子均值计算
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sensorCodes.forEach(sensorCode -> {
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OptionalDouble optionalDouble = value.parallelStream()
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.flatMapToDouble(v -> {
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Map<String, Object> dataValue = JSONObject.parseObject((String) v.get("value"), Map.class);
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Object sensorValue = dataValue.get(sensorCode.toString());
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if (ObjectUtils.isEmpty(sensorValue)) {
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return null;
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}
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//风向另外计算
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if (Constants.SENSOR_CODE_WIND_DIR.equals(sensorCode)) {
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return null;
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}
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return DoubleStream.of(Double.parseDouble(sensorValue.toString()));
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}).average();
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if (optionalDouble.isPresent()) {
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//银行家算法修约
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double sciCal = AmendUtils.sciCal(optionalDouble.getAsDouble(), 4);
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jsonMap.put(sensorCode.toString(), sciCal);
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}
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});
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historyHourly.setValue(JSONObject.toJSONString(jsonMap));
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historyHourly.setVersion((Integer) value.get(0).get("version"));
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insertData.add(historyHourly);
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});
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//存入小时表
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historyHourlyMapper.insertHistoryHourly(insertData);
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}
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}
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