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计算量增加求和函数

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谷成伟 2024-12-02 13:38:56 +08:00
parent bc3d2b7f09
commit 335ee75bab
4 changed files with 109 additions and 5 deletions
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59
das/src/main/java/com/das/modules/calc/functions/FunctionSumValue.java Normal file
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@ -0,0 +1,59 @@
package com.das.modules.calc.functions;
import cn.hutool.core.date.DateUtil;
import com.das.modules.cache.domain.DeviceInfoCache;
import com.das.modules.cache.service.CacheService;
import com.das.modules.data.service.DataService;
import com.googlecode.aviator.runtime.function.AbstractFunction;
import com.googlecode.aviator.runtime.type.AviatorNil;
import com.googlecode.aviator.runtime.type.AviatorObject;
import com.googlecode.aviator.runtime.type.AviatorRuntimeJavaType;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import java.util.Date;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* Aviator扩展函数 - 获取时间维度内最早的一条数据
* 函数格式: topv(deviceId, attr, timedim)
* timedim: day - 天， month - 月， year - 年
* 返回值：数值， nil - 获取错误
*/
@Slf4j
public class FunctionSumValue extends AbstractFunction {
private DataService dataService = null;
private CacheService cacheService = null;
public FunctionSumValue(DataService dataService, CacheService cacheService) {
this.dataService = dataService;
this.cacheService = cacheService;
}
@Override
public String getName() {
return "sumv";
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject deviceCode, AviatorObject attr) {
//设备Code
String code = (String)deviceCode.getValue(env);
String attrName = (String)attr.getValue(env);
DeviceInfoCache deviceInfoCache = cacheService.getEquipmentCache().getDeviceInfoCacheByCode(code);
if (deviceInfoCache == null) {
return AviatorNil.NIL;
}
Double value = dataService.getTimeTopValue(deviceInfoCache.getDeviceId(), attrName, null, null);
if (value == null){
return AviatorNil.NIL;
}
//未找到缓存，查询时序API获取数据
return AviatorRuntimeJavaType.valueOf(value);
}
}

3
das/src/main/java/com/das/modules/data/service/DataService.java
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@ -17,5 +17,6 @@ public interface DataService {
void updateCalFieldData(List<CalculateRTData> values);
Double getTimeTopValue(Long devcieId, String attr, long startTime, long endTime);
Double getTimeTopValue(Long devcieId, String attr, Long startTime, Long endTime);
Double getTimeSumValue(Long devcieId, String attr, Long startTime, Long endTime);
}

33
das/src/main/java/com/das/modules/data/service/TDEngineService.java
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@ -784,7 +784,7 @@ public class TDEngineService {
}
}
public Double getTimeTopValue(String tableName, String attr, long startTime, long endTime) {
public Double getTimeTopValue(String tableName, String attr, Long startTime, Long endTime) {
StringBuffer sb = new StringBuffer(256);
sb.append("select ");
sb.append("first(");
@ -792,8 +792,10 @@ public class TDEngineService {
sb.append(") as value");
sb.append(" from ");
sb.append(tableName);
sb.append(" where ");
sb.append(String.format(" updatetime >= %d and updatetime < %d ", startTime, endTime));
if (startTime != null && endTime != null) {
sb.append(" where ");
sb.append(String.format(" updatetime >= %d and updatetime < %d ", startTime, endTime));
}
Double result = null;
try (Connection conn = hikariDataSource.getConnection();
Statement smt = conn.createStatement();
@ -855,4 +857,29 @@ public class TDEngineService {
log.error("修改Tag值失败", e);
}
}
public Double getTimeSumValue(String tableName, String attr, Long startTime, Long endTime) {
StringBuffer sb = new StringBuffer(256);
sb.append("select ");
sb.append("sum(");
sb.append(attr);
sb.append(") as value");
sb.append(" from ");
sb.append(tableName);
if (startTime != null && endTime != null) {
sb.append(" where ");
sb.append(String.format(" updatetime >= %d and updatetime < %d ", startTime, endTime));
}
Double result = null;
try (Connection conn = hikariDataSource.getConnection();
Statement smt = conn.createStatement();
ResultSet rs = smt.executeQuery(sb.toString())) {
if (rs.next()) {
result = rs.getDouble("value");
}
} catch (Exception e) {
log.error("获取数据异常", e);
}
return result;
}
}

19
das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java
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@ -268,7 +268,7 @@ public class DataServiceImpl implements DataService {
* @return
*/
@Override
public Double getTimeTopValue(Long devcieId, String attr, long startTime, long endTime){
public Double getTimeTopValue(Long devcieId, String attr, Long startTime, Long endTime){
DeviceInfoCache deviceInfoCache = cacheService.getEquipmentCache().getDeviceInfoCacheById(devcieId);
if (deviceInfoCache == null) {
return null;
@ -283,4 +283,21 @@ public class DataServiceImpl implements DataService {
}
return tdEngineService.getTimeTopValue(tableName, attr, startTime, endTime);
}
@Override
public Double getTimeSumValue(Long devcieId, String attr, Long startTime, Long endTime) {
DeviceInfoCache deviceInfoCache = cacheService.getEquipmentCache().getDeviceInfoCacheById(devcieId);
if (deviceInfoCache == null) {
return null;
}
String tableName = "";
if (cacheService.getIotModelCache().isHighSpeed(deviceInfoCache.getIotModelId(), attr)){
tableName = String.format("h_%s", deviceInfoCache.getDeviceId());
} else if (cacheService.getIotModelCache().isLowSpeed(deviceInfoCache.getIotModelId(), attr)){
tableName = String.format("l_%s", deviceInfoCache.getDeviceId());
} else if (cacheService.getIotModelCache().isCalculate(deviceInfoCache.getIotModelId(), attr)){
tableName = String.format("c_%s", deviceInfoCache.getDeviceId());
}
return tdEngineService.getTimeSumValue(tableName, attr, startTime, endTime);
}
}