134 lines
4.3 KiB
Java
134 lines
4.3 KiB
Java
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package com.gunshi.project.hsz.service;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.gunshi.project.hsz.entity.vo.RsvrComplexVo;
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import com.gunshi.project.hsz.mapper.StZqrlBMapper;
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import com.gunshi.project.hsz.model.StRsvrR;
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import com.gunshi.project.hsz.model.StZqrlB;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* 描述: 水位流量关系曲线表
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* author: xusan
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* date: 2024-07-08 17:30:38
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*/
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@Service
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@Slf4j
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@Transactional(rollbackFor = Exception.class)
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public class StZqrlBService extends ServiceImpl<StZqrlBMapper, StZqrlB> {
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/**
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* 计算溢洪量
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*
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* @param rz 计算溢洪的起始水位
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* @param seconds 溢洪时间,是两条水位数据的时间差,单位秒
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* @param zqrlList 水位流量关系曲线
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* @return 溢洪量
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* @author lyf
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*/
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public BigDecimal calculateSpilledVolume(BigDecimal rz, long seconds, List<StZqrlB> zqrlList) {
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return getQFromZqrl(rz, zqrlList).multiply(BigDecimal.valueOf(seconds));
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}
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/**
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* 计算溢洪量
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*
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* @param rz 计算溢洪的起始水位
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* @param seconds 溢洪时间,是两条水位数据的时间差,单位秒
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* @return 溢洪量
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* @author lyf
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*/
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public BigDecimal calculateSpilledVolume(BigDecimal rz, long seconds) {
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return calculateSpilledVolume(rz, seconds, list());
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}
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/**
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* 批量计算溢洪量
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*
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* @param rsvrList 要计算的水位数据
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* @param zqrlList 水位流量关系曲线
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* @return 计算后的水位数据(时间倒序),含每条水位对应的流量和与上一条水位对应的溢洪量
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* @author lyf
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*/
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public List<RsvrComplexVo> calculateSpilledVolumeList(List<StRsvrR> rsvrList, List<StZqrlB> zqrlList) {
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rsvrList.sort(Comparator.comparing(StRsvrR::getTm).reversed());
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List<RsvrComplexVo> ret = new ArrayList<>();
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for (int i = 0; i < rsvrList.size(); i++) {
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StRsvrR rsvr = rsvrList.get(i);
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BigDecimal rz = new BigDecimal(rsvr.getRz());
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Date tm = rsvr.getTm();
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RsvrComplexVo vo = RsvrComplexVo.of(rz, tm);
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if (i == 0) {
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vo.setQ(getQFromZqrl(rz, zqrlList));
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vo.setSv(BigDecimal.ZERO);
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} else {
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StRsvrR rsvrPrev = rsvrList.get(i - 1);
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Date tmPrev = rsvrPrev.getTm();
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long seconds = tm.getTime() - tmPrev.getTime();
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vo.setQ(getQFromZqrl(rz, zqrlList));
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vo.setSv(calculateSpilledVolume(rz, seconds));
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}
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ret.add(vo);
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}
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return ret;
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}
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/**
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* 批量计算溢洪量
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*
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* @param rsvrList 要计算的水位数据
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* @return 计算后的水位数据(时间倒序),含每条水位对应的流量和与上一条水位对应的溢洪量
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* @author lyf
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*/
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public List<RsvrComplexVo> calculateSpilledVolumeList(List<StRsvrR> rsvrList) {
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return calculateSpilledVolumeList(rsvrList, list());
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}
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/**
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* 根据水位查表得流量
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*
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* @param rz 水位
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* @return 查表流量
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* @author lyf
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*/
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public BigDecimal getQFromZqrl(BigDecimal rz) {
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return getQFromZqrl(rz, list());
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}
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/**
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* 根据水位查表得流量
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*
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* @param rz 水位
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* @param zqrlList 水位流量关系曲线
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* @return 查表流量
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* @author lyf
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*/
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public BigDecimal getQFromZqrl(BigDecimal rz, List<StZqrlB> zqrlList) {
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return toMap(zqrlList).getOrDefault(rz.setScale(3, RoundingMode.DOWN), BigDecimal.ZERO);
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}
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/**
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* 将水位流量曲线列表转为字典,水位作为键,注意BigDecimal做键的时候要匹配值和精度
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*
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* @param zqrlList 水位流量曲线列表
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* @return 水位流量曲线字典
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* @author lyf
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*/
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private Map<BigDecimal, BigDecimal> toMap(List<StZqrlB> zqrlList) {
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return zqrlList.stream()
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.map(item -> Map.entry(item.getZ().setScale(3, RoundingMode.DOWN), item.getQ()))
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.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
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}
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}
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