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78 lines
3.5 KiB
78 lines
3.5 KiB
package com.dky.calculate;
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import com.dky.utils.entity.SysDeviceHeatScene;
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import com.dky.utils.result.MatchedDevice;
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import java.util.*;
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import java.util.stream.Collectors;
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public class Scheme {
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/**
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* 根据设备细类筛选出不同技术类型的不同功率设备需要的数量
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* List<MatchedDevice> 同一个技术类型下的设备列表以及每个设备所需要的台数
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* Map<String, List<List<MatchedDevice>>> 键为设备细类
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*
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* @param buildArea 建筑面积
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* @param sysDeviceHeatSceneList 替代设备列表
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*/
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public static List<List<MatchedDevice>> calScheme(Double buildArea, List<SysDeviceHeatScene> sysDeviceHeatSceneList) {
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// 根据设备细类筛选出一个以设备细类为键，该细类下设备列表为值的Map
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Map<String, List<SysDeviceHeatScene>> groupByDevSubTypeMap = sysDeviceHeatSceneList.stream()
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.collect(Collectors.groupingBy(SysDeviceHeatScene::getDevSubType));
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// 区分技术类型
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List<List<MatchedDevice>> planList = new ArrayList<>();
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groupByDevSubTypeMap.forEach((devSubType, v) -> {
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// 该细类下的设备根据技术类型筛选出一个以技术类型为键，该技术类型下设备列表为值的Map
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Map<String, List<SysDeviceHeatScene>> groupByDevTechTypeMap = v.stream().collect(Collectors.groupingBy(SysDeviceHeatScene::getDevTechType));
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groupByDevTechTypeMap.forEach((devTechType, devList) -> {
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List<MatchedDevice> matchedDevices = calSchemeByTechType(buildArea, devList);
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planList.add(matchedDevices);
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});
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});
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return planList;
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}
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/**
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* 根据建筑面积和其中一个设备细类-技术类型下的不同功率的设备，计算出该技术类型分别需要不同功率的设备的的数量
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*
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* @param buildArea 建筑面积
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* @param sysDeviceHeatSceneList 不同设备细类-技术类型下的设备列表
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* @return 不同功率的设备对应所需要的数量
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*/
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public static List<MatchedDevice> calSchemeByTechType(Double buildArea, List<SysDeviceHeatScene> sysDeviceHeatSceneList) {
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// 对技术类型下的设备list按照单台设备可参考供暖面积进行排序
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sysDeviceHeatSceneList.sort((o1, o2) -> Double.compare(o2.getDevReferenceArea(), o1.getDevReferenceArea()));
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Double remainArea = buildArea;
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// 遍历设备，根据建筑面积进行匹配设备数量
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List<MatchedDevice> matchedDeviceList = new ArrayList<>();
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for (int i = 0; i < sysDeviceHeatSceneList.size(); i++) {
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SysDeviceHeatScene deviceHeatScene = sysDeviceHeatSceneList.get(i);
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double v = remainArea / deviceHeatScene.getDevReferenceArea();
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int count = (int) (v);
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if (v < 1) {
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count = count + 1;
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}
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remainArea = remainArea - count * deviceHeatScene.getDevReferenceArea();
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matchedDeviceList.add(new MatchedDevice(count, deviceHeatScene));
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if (remainArea <= 0) {
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// 当总供暖面积已经满足需求时，跳出循环，不再选择其他设备
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break;
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} else {
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if (i == sysDeviceHeatSceneList.size() - 1 && remainArea > 0) {
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MatchedDevice device = matchedDeviceList.get(matchedDeviceList.size() - 1);
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device.setCount(device.getCount() + 1);
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}
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}
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}
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return matchedDeviceList;
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}
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}
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