package com.flightfeather.uav.biz.satellite
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import com.flightfeather.uav.domain.entity.GridData
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import com.flightfeather.uav.domain.entity.GridDataDetail
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import com.flightfeather.uav.domain.mapper.GridDataDetailMapper
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import com.flightfeather.uav.domain.mapper.GridDataMapper
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import com.flightfeather.uav.lightshare.eunm.SatelliteDataType
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import org.springframework.beans.BeanUtils
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import org.springframework.stereotype.Component
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import tk.mybatis.mapper.entity.Example
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import java.util.Date
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/**
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* 卫星遥测数据融合
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* @date 2024/12/31
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* @author feiyu02
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*/
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@Component
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class SatelliteDataMix(
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private val gridDataMapper: GridDataMapper,
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private val gridDataDetailMapper: GridDataDetailMapper,
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) {
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/**
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* 融合卫星遥测数据
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* @param dataIdList 每期卫星遥测数据的主键id数组，表示需要将这几组数据进行数据融合
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*/
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fun mixData(dataIdList: List<Int>): Pair<GridData?, List<GridDataDetail>> {
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if (dataIdList.isEmpty()) return null to emptyList()
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// 获取原始数据
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val originalDataList = gridDataMapper.selectByExample(Example(GridData::class.java).apply {
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createCriteria().andIn("id", dataIdList).andEqualTo("type", SatelliteDataType.Original.value)
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})
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if (originalDataList.isEmpty()) return null to emptyList()
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// 获取具体原始网格数据
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val dataDetailList = mutableListOf<List<GridDataDetail?>>()
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originalDataList.forEach {
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val res = gridDataDetailMapper.selectByExample(Example(GridDataDetail::class.java).apply {
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createCriteria().andEqualTo("dataId", it?.id)
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orderBy("cellId")
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})
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dataDetailList.add(res)
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}
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// 创建融合数据索引信息
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val firstGridData = originalDataList.first()
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val avgGridData = GridData().apply {
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groupId = firstGridData?.groupId
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dataTime = Date()
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type = SatelliteDataType.Mix.value.toByte()
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mixDataId = dataIdList.joinToString(",")
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}
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gridDataMapper.insert(avgGridData)
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// 计算均值
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val avgResult = calculateAvg(avgGridData.id, dataDetailList)
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gridDataDetailMapper.insertList(avgResult)
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return avgGridData to avgResult
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}
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/**
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* 将多组原始卫星遥测网格PM2.5数据进行融合，计算每个网格的均值
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* @param dataId 融合数据主键id
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* @param dataDetailList 原始卫星遥测数据数组
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*/
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fun calculateAvg(dataId: Int, dataDetailList: List<List<GridDataDetail?>>): List<GridDataDetail> {
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if (dataDetailList.isEmpty()) return emptyList()
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// 获取首组网格数据，作为后续生成融合数据的依据
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val first = dataDetailList.first()
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// 每个单元格数据监测值总量
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val totalList = mutableListOf<Float>()
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// 每个单元格数据总数
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val countList = mutableListOf<Int>()
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// 统计各网格的数据监测值总量和数据总数
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dataDetailList.forEach {
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it.forEachIndexed { i, d ->
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if (i < totalList.size) {
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if (d?.pm25 != null) {
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totalList[i] += d.pm25
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countList[i]++
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}
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} else {
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if (d?.pm25 != null) {
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totalList.add(d.pm25)
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countList.add(1)
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} else {
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totalList.add(0f)
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countList.add(0)
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}
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}
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}
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}
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// 计算每个网格的均值
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val avgResult = mutableListOf<GridDataDetail>()
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first.forEachIndexed { i, d ->
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val total = totalList[i]
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val count = countList[i]
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val avg = if (count == 0) {
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null
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} else {
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total / count
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}
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val avgData = GridDataDetail().apply {
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this.dataId = dataId
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groupId = d?.groupId
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cellId = d?.cellId
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pm25 = avg
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}
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avgResult.add(avgData)
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}
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// 刷新排名属性
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avgResult.sortByDescending { it.pm25 }
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avgResult.forEachIndexed { i, d ->
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d.rank = i + 1
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}
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return avgResult
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}
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}
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