指标通用查询

pqs-influx/src/main/java/com/njcn/influx/imapper/CommonMapper.java

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+package com.njcn.influx.imapper;
+
+import com.njcn.influx.base.InfluxDbBaseMapper;
+import com.njcn.influx.pojo.dto.StatisticalDataDTO;
+import com.njcn.influx.pojo.po.PowerQualityData;
+import com.njcn.influx.query.InfluxQueryWrapper;
+
+import java.util.List;
+
+/**
+ * 类的介绍：
+ *
+ * @author xuyang
+ * @version 1.0.0
+ * @createTime 2023/5/5 14:39
+ */
+
+public interface CommonMapper extends InfluxDbBaseMapper<PowerQualityData> {
+
+    List<StatisticalDataDTO> getStatistical(InfluxQueryWrapper influxQueryWrapper);
+
+}

pqs-influx/src/main/java/com/njcn/influx/pojo/dto/StatisticalDataDTO.java

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+package com.njcn.influx.pojo.dto;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import org.influxdb.annotation.Column;
+import org.influxdb.annotation.Measurement;
+import retrofit2.http.Field;
+
+/**
+ * Description:
+ * Date: 2023/6/5  10:23【需求编号】
+ *
+ * @author clam
+ * @version V1.0.0
+ */
+
+
+@Data
+public class StatisticalDataDTO {
+    private String LineId;
+    private String Phase;
+    @Column(name = "Stat_Method")
+    private String statMethod;
+    private String statisticalName;
+    private Double statisticalData;
+}

pqs-influx/src/main/java/com/njcn/influx/service/CommonService.java

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+package com.njcn.influx.service;
+
+import com.njcn.influx.pojo.dto.StatisticalDataDTO;
+
+import java.util.List;
+
+/**
+ * Description:
+ * Date: 2023/6/2  16:00【需求编号】
+ *
+ * @author clam
+ * @version V1.0.0
+ */
+public interface CommonService {
+      List<StatisticalDataDTO> commonquery(String lineId, String tableName, String columnName);
+}

pqs-influx/src/main/java/com/njcn/influx/service/impl/CommonServiceImpl.java

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+package com.njcn.influx.service.impl;
+
+import com.njcn.influx.imapper.CommonMapper;
+import com.njcn.influx.pojo.dto.StatisticalDataDTO;
+import com.njcn.influx.pojo.po.HarmonicRatioData;
+import com.njcn.influx.query.InfluxQueryWrapper;
+import com.njcn.influx.service.CommonService;
+import com.njcn.influx.utils.ReflectUitl;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.HashMap;
+import java.util.List;
+
+/**
+ * Description:
+ * Date: 2023/6/2  16:04【需求编号】
+ *
+ * @author clam
+ * @version V1.0.0
+ */
+@Service
+@RequiredArgsConstructor
+public class CommonServiceImpl implements CommonService {
+    private final CommonMapper commonMapper;
+
+    @Override
+    public List<StatisticalDataDTO> commonquery(String lineId ,String tableName, String columnName) {
+        HashMap<String, Class<?>> entityClassesByAnnotation = ReflectUitl.getEntityClassesByAnnotation();
+        Class<?> aClass = entityClassesByAnnotation.get(tableName);
+        InfluxQueryWrapper influxQueryWrapper = new InfluxQueryWrapper(aClass,StatisticalDataDTO.class);
+        influxQueryWrapper.eq("LineId",lineId).
+                last(columnName,"statisticalData").
+                groupBy(StatisticalDataDTO::getLineId, StatisticalDataDTO::getStatMethod, StatisticalDataDTO::getPhase);
+
+        List<StatisticalDataDTO> statistical = commonMapper.getStatistical(influxQueryWrapper);
+
+        return statistical;
+
+    }
+}

pqs-influx/src/main/java/com/njcn/influx/utils/ReflectUitl.java

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+package com.njcn.influx.utils;
+
+import org.influxdb.annotation.Measurement;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.annotation.Annotation;
+import java.net.URL;
+import java.net.URLDecoder;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+
+/**
+ * Description:
+ * Date: 2023/6/2  15:08【需求编号】
+ *
+ * @author clam
+ * @version V1.0.0
+ */
+public class ReflectUitl {
+
+
+    /*
+    * 获取po报下，所有有@Measurement注解的实体类;
+    */
+    public static HashMap<String,Class<?>> getEntityClassesByAnnotation() {
+        HashMap<String,Class<?>> result = new HashMap<>();
+        List<Class<?>> classes = ReflectUitl.getClasses("com.njcn.influx.pojo.po");
+        for (Class<?> clazz : classes) {
+            if (clazz.isAnnotationPresent(Measurement.class)) {
+                Measurement annotation = (Measurement) clazz.getAnnotation(Measurement.class);
+                result.put(annotation.name(),clazz) ;
+            }
+        }
+        return result;
+    }
+
+    public static List<Class<?>> getClasses(String packageName) {
+        List<Class<?>> classes = new ArrayList<Class<?>>();
+        try {
+            String path = packageName.replace(".", "/");
+            Enumeration<URL> resources = Thread.currentThread().getContextClassLoader().getResources(path);
+            while (resources.hasMoreElements()) {
+                URL resource = resources.nextElement();
+                if (resource.getProtocol().equals("file")) {
+                    String filePath = URLDecoder.decode(resource.getFile(), "UTF-8");
+                    findClassesInPackage(packageName, filePath, classes);
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return classes;
+    }
+
+    private static void findClassesInPackage(String packageName, String packagePath, List<Class<?>> classes) {
+        File packageDir = new File(packagePath);
+        if (!packageDir.exists() || !packageDir.isDirectory()) {
+            return;
+        }
+        File[] files = packageDir.listFiles();
+        for (File file : files) {
+            if (file.isDirectory()) {
+                findClassesInPackage(packageName + "." + file.getName(), file.getAbsolutePath(), classes);
+            } else if (file.getName().endsWith(".class")) {
+                String className = packageName + "." + file.getName().substring(0, file.getName().length() - 6);
+                try {
+                    Class<?> clazz = Class.forName(className);
+                    classes.add(clazz);
+                } catch (ClassNotFoundException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+
+
+
+}