【代码重构】IoT:弱化 TdEngineDDLMapper 封装,由每个业务独立实现

This commit is contained in:
YunaiV 2024-12-26 07:55:15 +08:00
parent 39896555f0
commit 064b3381df
28 changed files with 329 additions and 319 deletions

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@ -0,0 +1,27 @@
package cn.iocoder.yudao.module.iot.enums.thingmodel;
import lombok.AllArgsConstructor;
import lombok.Getter;
/**
* IoT 数据定义的数据类型枚举类
*
* @author 芋道源码
*/
@AllArgsConstructor
@Getter
public enum IotDataSpecsDataTypeEnum {
INT("int"),
FLOAT("float"),
DOUBLE("double"),
ENUM("enum"),
BOOL("bool"),
TEXT("text"),
DATE("date"),
STRUCT("struct"),
ARRAY("array");
private final String dataType;
}

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@ -1,6 +1,6 @@
package cn.iocoder.yudao.module.iot.api.device;
import cn.iocoder.yudao.module.iot.service.device.IotDeviceDataService;
import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;
@ -14,7 +14,7 @@ import javax.annotation.Resource;
public class DeviceDataApiImpl implements DeviceDataApi {
@Resource
private IotDeviceDataService deviceDataService;
private IotDevicePropertyDataService deviceDataService;
@Override
public void saveDeviceData(String productKey, String deviceName, String message) {

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@ -7,7 +7,7 @@ import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDevi
import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataRespVO;
import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDataDO;
import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotTimeDataRespVO;
import cn.iocoder.yudao.module.iot.service.device.IotDeviceDataService;
import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.Resource;
@ -29,7 +29,7 @@ import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
public class IotDeviceDataController {
@Resource
private IotDeviceDataService deviceDataService;
private IotDevicePropertyDataService deviceDataService;
// TODO @浩浩这里的 /latest-list包括方法名
@GetMapping("/latest")

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@ -30,7 +30,8 @@ public class ThingModelProperty {
private String description;
/**
* 云端可以对该属性进行的操作类型
* 关联枚举 {@link IotProductThingModelAccessModeEnum}
*
* 枚举 {@link IotProductThingModelAccessModeEnum}
*/
private String accessMode;
/**
@ -42,6 +43,8 @@ public class ThingModelProperty {
private Boolean required;
/**
* 数据类型 dataSpecs dataType 保持一致
*
* 枚举 {@link cn.iocoder.yudao.module.iot.enums.thingmodel.IotDataSpecsDataTypeEnum}
*/
private String dataType;
/**

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@ -20,7 +20,7 @@ public class ThingModelDateOrTextDataSpecs extends ThingModelDataSpecs {
* 数据长度单位为字节取值不能超过 2048
* dataType text 需传入该参数
*/
private Long length;
private Integer length;
/**
* 默认值可选参数用于存储默认值
*/

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@ -16,6 +16,7 @@ public class FieldParser {
/**
* 物模型到td数据类型映射
*/
@Deprecated
private static final HashMap<String, String> TYPE_MAPPING = new HashMap<>() {
{
put("INT", "INT");
@ -74,6 +75,7 @@ public class FieldParser {
/**
* 获取字段字义
*/
@Deprecated
public static String getFieldDefine(TdFieldDO field) {
return "`" + field.getFieldName() + "`" + " "
+ (field.getDataLength() > 0 ? String.format("%s(%d)", field.getDataType(), field.getDataLength())

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@ -2,13 +2,12 @@ package cn.iocoder.yudao.module.iot.dal.dataobject.tdengine;
import lombok.Data;
import java.util.Set;
// TODO @haohao类似这个其实可以参考 mybatis plusquerywrapper搞个 TdEngineQueryWrapper这样看起来会更好懂
/**
* 查询DO
*/
@Data
@Deprecated
public class SelectDO {
// TODO @haohadatabase 是个单词

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@ -6,6 +6,7 @@ import java.util.Map;
// TODO @haohao类似 SelectDO 的想法只是它是返回ps貌似可以在 tdengine 里面创建一个 query 放这种比较特殊的查询和结果对象dataobject 更多还是实际存储的结构化的 do
@Data
@Deprecated
public class SelectVisualDO {
/**

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@ -6,6 +6,7 @@ import lombok.Data;
* tags查询DO
*/
@Data
@Deprecated
public class TagsSelectDO {
/**

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@ -5,6 +5,7 @@ import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
// TODO 芋艿看看是不是后续简化掉
/**
* TD 引擎的字段
*/
@ -12,6 +13,7 @@ import lombok.NoArgsConstructor;
@NoArgsConstructor
@AllArgsConstructor
@Builder
@Deprecated
public class TdFieldDO {
/**

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@ -12,6 +12,7 @@ import java.util.List;
@Data
@NoArgsConstructor
@AllArgsConstructor
@Deprecated
public class TdResponse {
public static final int CODE_SUCCESS = 0;

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@ -13,6 +13,7 @@ import org.springframework.stereotype.Service;
*/
@Slf4j
@Service
@Deprecated // TODO 芋艿貌似没用到
public class TdRestApi {
@Value("${spring.datasource.dynamic.datasource.tdengine.url}")

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@ -7,6 +7,7 @@ import lombok.NoArgsConstructor;
import java.util.List;
@Deprecated
/**
* TD 引擎的数据库
*/

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@ -16,6 +16,7 @@ import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
// TODO @huihuiIotProductThingModelDO => IotThingModelDO
/**
* IoT 产品物模型功能 DO
* <p>

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@ -0,0 +1,55 @@
package cn.iocoder.yudao.module.iot.dal.tdengine;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.module.iot.framework.tdengine.core.TDengineTableField;
import cn.iocoder.yudao.module.iot.framework.tdengine.core.annotation.TDengineDS;
import com.baomidou.mybatisplus.annotation.InterceptorIgnore;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import java.util.List;
import java.util.stream.Collectors;
@Mapper
@TDengineDS
@InterceptorIgnore(tenantLine = "true") // 避免 SQL 解析因为 JSqlParser TDengine SQL 解析会报错
public interface IotDevicePropertyDataMapper {
List<TDengineTableField> getProductPropertySTableFieldList(@Param("productKey") String productKey);
void createProductPropertySTable(@Param("productKey") String productKey,
@Param("fields") List<TDengineTableField> fields);
@SuppressWarnings("SimplifyStreamApiCallChains") // 保持 JDK8 兼容性
default void alterProductPropertySTable(String productKey,
List<TDengineTableField> oldFields,
List<TDengineTableField> newFields) {
oldFields.removeIf(field -> TDengineTableField.FIELD_TS.equals(field.getField())
|| TDengineTableField.FIELD_DEVICE_KEY.equals(field.getField()));
List<TDengineTableField> addFields = newFields.stream().filter( // 新增的字段
newField -> oldFields.stream().noneMatch(oldField -> oldField.getField().equals(newField.getField())))
.collect(Collectors.toList());
List<TDengineTableField> modifyFields = newFields.stream().filter( // 更新的字段
newField -> oldFields.stream().anyMatch(oldField -> oldField.getField().equals(newField.getField())
&& (ObjectUtil.notEqual(oldField.getType(), newField.getType())
|| (newField.getLength() != null && ObjectUtil.notEqual(oldField.getLength(), newField.getLength())))))
.collect(Collectors.toList());
List<TDengineTableField> dropFields = oldFields.stream().filter( // 删除的字段
oldField -> newFields.stream().noneMatch(n -> n.getField().equals(oldField.getField())))
.collect(Collectors.toList());
addFields.forEach(field -> alterProductPropertySTableAddField(productKey, field));
// TODO 芋艿tdengine 只允许 modify 长度如果 type 变化只能 drop + add
modifyFields.forEach(field -> alterProductPropertySTableModifyField(productKey, field));
dropFields.forEach(field -> alterProductPropertySTableDropField(productKey, field));
}
void alterProductPropertySTableAddField(@Param("productKey") String productKey,
@Param("field") TDengineTableField field);
void alterProductPropertySTableModifyField(@Param("productKey") String productKey,
@Param("field") TDengineTableField field);
void alterProductPropertySTableDropField(@Param("productKey") String productKey,
@Param("field") TDengineTableField field);
}

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@ -96,7 +96,6 @@ public interface TdEngineDDLMapper {
@TenantIgnore
void modifyColumnWidthForSuperTable(TdTableDO superTable);
/**
* 修改超级表 - 为超级表添加标签
*

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@ -1,7 +1,6 @@
package cn.iocoder.yudao.module.iot.emq.service;
import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
import cn.iocoder.yudao.module.iot.service.device.IotDeviceDataService;
import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.eclipse.paho.client.mqttv3.MqttClient;
@ -21,7 +20,7 @@ import org.springframework.stereotype.Service;
public class EmqxServiceImpl implements EmqxService {
@Resource
private IotDeviceDataService iotDeviceDataService;
private IotDevicePropertyDataService iotDeviceDataService;
// TODO 多线程处理消息
@Override

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@ -0,0 +1,63 @@
package cn.iocoder.yudao.module.iot.framework.tdengine.core;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* TDEngine 表字段
*/
@Data
@NoArgsConstructor
@AllArgsConstructor
public class TDengineTableField {
/**
* 字段名 - TDengine 默认 ts 字段默认会被 TDengine 创建
*/
public static final String FIELD_TS = "ts";
/**
* 字段名 - 我们系统定义的 device_key 字段 TDengine 默认字段
*/
public static final String FIELD_DEVICE_KEY = "device_key";
public static final String TYPE_TINYINT = "TINYINT";
public static final String TYPE_INT = "INT";
public static final String TYPE_FLOAT = "FLOAT";
public static final String TYPE_DOUBLE = "DOUBLE";
public static final String TYPE_BOOL = "BOOL";
public static final String TYPE_NCHAR = "NCHAR";
public static final String TYPE_TIMESTAMP = "TIMESTAMP";
/**
* 注释 - TAG 字段
*/
public static final String NOTE_TAG = "TAG";
/**
* 字段名
*/
private String field;
/**
* 字段类型
*/
private String type;
/**
* 字段长度
*/
private Integer length;
/**
* 注释
*/
private String note;
public TDengineTableField(String field, String type) {
this.field = field;
this.type = type;
}
}

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@ -0,0 +1,17 @@
package cn.iocoder.yudao.module.iot.framework.tdengine.core.annotation;
import com.baomidou.dynamic.datasource.annotation.DS;
import java.lang.annotation.*;
/**
* TDEngine 数据源
*
* @author 芋道源码
*/
@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@DS("tdengine")
public @interface TDengineDS {
}

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@ -0,0 +1,4 @@
/**
* iot 模块的 tdengine 拓展封装
*/
package cn.iocoder.yudao.module.iot.framework.tdengine;

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@ -9,11 +9,18 @@ import java.util.List;
import java.util.Map;
/**
* IoT 设备数据 Service 接口
* IoT 设备属性数据 Service 接口
*
* @author 芋道源码
*/
public interface IotDeviceDataService {
public interface IotDevicePropertyDataService {
/**
* 定义设备属性数据的结构
*
* @param productId 产品编号
*/
void defineDevicePropertyData(Long productId);
/**
* 保存设备数据
@ -40,4 +47,5 @@ public interface IotDeviceDataService {
* @return 设备属性历史数据
*/
PageResult<Map<String, Object>> getHistoryDeviceProperties(@Valid IotDeviceDataPageReqVO deviceDataReqVO);
}

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@ -1,19 +1,27 @@
package cn.iocoder.yudao.module.iot.service.device;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONObject;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataPageReqVO;
import cn.iocoder.yudao.module.iot.controller.admin.thingmodel.model.dataType.ThingModelDateOrTextDataSpecs;
import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDataDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.SelectVisualDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.ThingModelMessage;
import cn.iocoder.yudao.module.iot.dal.dataobject.thingmodel.IotProductThingModelDO;
import cn.iocoder.yudao.module.iot.dal.tdengine.IotDevicePropertyDataMapper;
import cn.iocoder.yudao.module.iot.dal.redis.deviceData.DeviceDataRedisDAO;
import cn.iocoder.yudao.module.iot.dal.tdengine.TdEngineDMLMapper;
import cn.iocoder.yudao.module.iot.enums.IotConstants;
import cn.iocoder.yudao.module.iot.enums.thingmodel.IotDataSpecsDataTypeEnum;
import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelTypeEnum;
import cn.iocoder.yudao.module.iot.framework.tdengine.core.TDengineTableField;
import cn.iocoder.yudao.module.iot.service.product.IotProductService;
import cn.iocoder.yudao.module.iot.service.tdengine.IotThingModelMessageService;
import cn.iocoder.yudao.module.iot.service.thingmodel.IotProductThingModelService;
import jakarta.annotation.Resource;
@ -28,11 +36,32 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
@Slf4j
/**
* IoT 设备属性数据 Service 实现类
*
* @author 芋道源码
*/
@Service
public class IotDeviceDataServiceImpl implements IotDeviceDataService {
@Slf4j
public class IotDevicePropertyDataServiceImpl implements IotDevicePropertyDataService {
/**
* 物模型的数据类型 TDengine 数据类型的映射关系
*/
private static final Map<String, String> TYPE_MAPPING = MapUtil.<String, String>builder()
.put(IotDataSpecsDataTypeEnum.INT.getDataType(), TDengineTableField.TYPE_INT)
.put(IotDataSpecsDataTypeEnum.FLOAT.getDataType(), TDengineTableField.TYPE_FLOAT)
.put(IotDataSpecsDataTypeEnum.DOUBLE.getDataType(), TDengineTableField.TYPE_DOUBLE)
.put(IotDataSpecsDataTypeEnum.ENUM.getDataType(), TDengineTableField.TYPE_TINYINT) // TODO 芋艿为什么要映射为 TINYINT 的说明
.put( IotDataSpecsDataTypeEnum.BOOL.getDataType(), TDengineTableField.TYPE_TINYINT) // TODO 芋艿为什么要映射为 TINYINT 的说明
.put(IotDataSpecsDataTypeEnum.TEXT.getDataType(), TDengineTableField.TYPE_NCHAR)
.put(IotDataSpecsDataTypeEnum.DATE.getDataType(), TDengineTableField.TYPE_TIMESTAMP)
.put(IotDataSpecsDataTypeEnum.STRUCT.getDataType(), TDengineTableField.TYPE_NCHAR) // TODO 芋艿怎么映射
.put(IotDataSpecsDataTypeEnum.ARRAY.getDataType(), TDengineTableField.TYPE_NCHAR) // TODO 芋艿怎么映射
.build();
@Value("${spring.datasource.dynamic.datasource.tdengine.url}")
private String url;
@ -43,12 +72,61 @@ public class IotDeviceDataServiceImpl implements IotDeviceDataService {
private IotThingModelMessageService thingModelMessageService;
@Resource
private IotProductThingModelService thingModelService;
@Resource
private IotProductService productService;
@Resource
private TdEngineDMLMapper tdEngineDMLMapper;
@Resource
private DeviceDataRedisDAO deviceDataRedisDAO;
@Resource
private IotDevicePropertyDataMapper devicePropertyDataMapper;
@Override
public void defineDevicePropertyData(Long productId) {
// 1.1 查询产品和物模型
IotProductDO product = productService.validateProductExists(productId);
List<IotProductThingModelDO> thingModels = filterList(thingModelService.getProductThingModelListByProductId(productId),
thingModel -> IotProductThingModelTypeEnum.PROPERTY.getType().equals(thingModel.getType()));
// 1.2 解析 DB 里的字段
List<TDengineTableField> oldFields = new ArrayList<>();
try {
oldFields.addAll(devicePropertyDataMapper.getProductPropertySTableFieldList(product.getProductKey()));
} catch (Exception e) {
if (!e.getMessage().contains("Table does not exist")) {
throw e;
}
}
// 2.1 情况一如果是新增的时候需要创建表
List<TDengineTableField> newFields = buildTableFieldList(thingModels);
if (CollUtil.isEmpty(oldFields)) {
if (CollUtil.isEmpty(newFields)) {
log.info("[defineDevicePropertyData][productId({}) 没有需要定义的属性]", productId);
return;
}
newFields.add(0, new TDengineTableField(TDengineTableField.FIELD_TS, TDengineTableField.TYPE_TIMESTAMP));
devicePropertyDataMapper.createProductPropertySTable(product.getProductKey(), newFields);
return;
}
// 2.2 情况二如果是修改的时候需要更新表
devicePropertyDataMapper.alterProductPropertySTable(product.getProductKey(), oldFields, newFields);
}
private List<TDengineTableField> buildTableFieldList(List<IotProductThingModelDO> thingModels) {
return convertList(thingModels, thingModel -> {
TDengineTableField field = new TDengineTableField(
thingModel.getIdentifier().toLowerCase(), // TODO 芋艿为什么要转成小写
TYPE_MAPPING.get(thingModel.getProperty().getDataType()));
if (thingModel.getProperty().getDataType().equals(IotDataSpecsDataTypeEnum.TEXT.getDataType())) {
field.setLength(((ThingModelDateOrTextDataSpecs) thingModel.getProperty().getDataSpecs()).getLength());
}
return field;
});
}
@Override
public void saveDeviceData(String productKey, String deviceName, String message) {
// 1. 根据产品 key 和设备名称获得设备信息

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@ -7,6 +7,7 @@ import cn.iocoder.yudao.module.iot.controller.admin.product.vo.product.IotProduc
import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
import cn.iocoder.yudao.module.iot.dal.mysql.product.IotProductMapper;
import cn.iocoder.yudao.module.iot.enums.product.IotProductStatusEnum;
import cn.iocoder.yudao.module.iot.service.device.IotDevicePropertyDataService;
import cn.iocoder.yudao.module.iot.service.tdengine.IotThingModelMessageService;
import cn.iocoder.yudao.module.iot.service.thingmodel.IotProductThingModelService;
import com.baomidou.dynamic.datasource.annotation.DSTransactional;
@ -39,6 +40,9 @@ public class IotProductServiceImpl implements IotProductService {
@Resource
@Lazy // 延迟加载解决循环依赖
private IotThingModelMessageService thingModelMessageService;
@Resource
@Lazy // 延迟加载解决循环依赖
private IotDevicePropertyDataService devicePropertyDataService;
@Override
public Long createProduct(IotProductSaveReqVO createReqVO) {
@ -119,8 +123,8 @@ public class IotProductServiceImpl implements IotProductService {
// 3. 产品是发布状态
if (Objects.equals(status, IotProductStatusEnum.PUBLISHED.getStatus())) {
// 3.1 创建产品超级表数据模型
thingModelFunctionService.createSuperTableDataModel(id);
// 3.2 创建物模型日志超级表数据模型
devicePropertyDataService.defineDevicePropertyData(id);
// 3.2 创建物模型日志超级表数据模型 TODO 待定message 要不要分
thingModelMessageService.createSuperTable(id);
}
productMapper.updateById(updateObj);

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@ -1,19 +0,0 @@
package cn.iocoder.yudao.module.iot.service.tdengine;
import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.thingmodel.IotProductThingModelDO;
import java.util.List;
/**
* IoT 超级表服务负责根据物模型创建和更新超级表以及创建超级表的子表等操作
*/
public interface IotSuperTableService {
/**
* 创建超级表数据模型
*/
void createSuperTableDataModel(IotProductDO product, List<IotProductThingModelDO> thingModelList);
}

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@ -1,260 +0,0 @@
package cn.iocoder.yudao.module.iot.service.tdengine;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.module.iot.controller.admin.thingmodel.model.ThingModelProperty;
import cn.iocoder.yudao.module.iot.controller.admin.thingmodel.model.ThingModelRespVO;
import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.FieldParser;
import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.TdFieldDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.TdTableDO;
import cn.iocoder.yudao.module.iot.dal.dataobject.thingmodel.IotProductThingModelDO;
import cn.iocoder.yudao.module.iot.dal.tdengine.TdEngineDDLMapper;
import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelTypeEnum;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import java.util.*;
import java.util.stream.Collectors;
/**
* IoT 超级表服务实现类负责根据物模型创建和更新超级表以及创建超级表的子表等操作
*/
@Service
@Slf4j
public class IotSuperTableServiceImpl implements IotSuperTableService {
@Resource
private TdEngineDDLMapper tdEngineDDLMapper;
@Value("${spring.datasource.dynamic.datasource.tdengine.url}")
private String url;
@Override
public void createSuperTableDataModel(IotProductDO product, List<IotProductThingModelDO> thingModelList) {
ThingModelRespVO thingModel = buildThingModel(product, thingModelList);
if (thingModel.getModel() == null || CollUtil.isEmpty(thingModel.getModel().getProperties())) {
log.warn("物模型属性列表为空,不创建超级表");
return;
}
String superTableName = getSuperTableName(product.getDeviceType(), product.getProductKey());
String databaseName = getDatabaseName();
List<Map<String, Object>> results = tdEngineDDLMapper.showSuperTables(new TdTableDO(databaseName, superTableName));
int tableExists = results == null || results.isEmpty() ? 0 : results.size();
if (tableExists > 0) {
updateSuperTable(thingModel, product.getDeviceType());
} else {
createSuperTable(thingModel, product.getDeviceType());
}
}
/**
* 创建超级表
*/
private void createSuperTable(ThingModelRespVO thingModel, Integer deviceType) {
// 解析物模型获取字段列表
List<TdFieldDO> schemaFields = new ArrayList<>();
schemaFields.add(TdFieldDO.builder()
.fieldName("time")
.dataType("TIMESTAMP")
.build());
schemaFields.addAll(FieldParser.parse(thingModel));
// 设置超级表的标签
List<TdFieldDO> tagsFields = List.of(
TdFieldDO.builder().fieldName("product_key").dataType("NCHAR").dataLength(64).build(),
TdFieldDO.builder().fieldName("device_key").dataType("NCHAR").dataLength(64).build(),
TdFieldDO.builder().fieldName("device_name").dataType("NCHAR").dataLength(64).build(),
TdFieldDO.builder().fieldName("device_type").dataType("INT").build()
);
// 获取超级表的名称和数据库名称
String superTableName = getSuperTableName(deviceType, thingModel.getProductKey());
String databaseName = getDatabaseName();
// 创建超级表
tdEngineDDLMapper.createSuperTable(new TdTableDO(databaseName, superTableName, schemaFields, tagsFields));
}
/**
* 更新超级表
*/
private void updateSuperTable(ThingModelRespVO thingModel, Integer deviceType) {
String superTableName = getSuperTableName(deviceType, thingModel.getProductKey());
try {
List<TdFieldDO> oldFields = getTableFields(superTableName);
List<TdFieldDO> newFields = FieldParser.parse(thingModel);
updateTableFields(superTableName, oldFields, newFields);
} catch (Exception e) {
log.error("更新物模型超级表失败: {}", e.getMessage(), e);
}
}
/**
* 获取表的字段信息
*/
private List<TdFieldDO> getTableFields(String tableName) {
List<Map<String, Object>> tableDescription = tdEngineDDLMapper.describeSuperTable(new TdTableDO(getDatabaseName(), tableName));
if (CollUtil.isEmpty(tableDescription)) {
return Collections.emptyList();
}
return tableDescription.stream()
.filter(map -> !"TAG".equals(map.get("note")))
.filter(map -> !"time".equals(map.get("field")))
.map(map -> TdFieldDO.builder()
.fieldName((String) map.get("field"))
.dataType((String) map.get("type"))
.dataLength((Integer) map.get("length"))
.build())
.collect(Collectors.toList());
}
/**
* 更新表的字段包括新增修改和删除字段
*/
private void updateTableFields(String tableName, List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
String databaseName = getDatabaseName();
// 获取新增修改删除的字段
List<TdFieldDO> addFields = getAddFields(oldFields, newFields);
List<TdFieldDO> modifyFields = getModifyFields(oldFields, newFields);
List<TdFieldDO> dropFields = getDropFields(oldFields, newFields);
// 添加新增字段
if (CollUtil.isNotEmpty(addFields)) {
for (TdFieldDO addField : addFields) {
tdEngineDDLMapper.addColumnForSuperTable(TdTableDO.builder()
.dataBaseName(databaseName)
.superTableName(tableName)
.column(addField)
.build());
}
}
// 删除旧字段
if (CollUtil.isNotEmpty(dropFields)) {
for (TdFieldDO dropField : dropFields) {
tdEngineDDLMapper.dropColumnForSuperTable(TdTableDO.builder()
.dataBaseName(databaseName)
.superTableName(tableName)
.column(dropField)
.build());
}
}
// 修改字段先删除再添加
if (CollUtil.isNotEmpty(modifyFields)) {
for (TdFieldDO modifyField : modifyFields) {
tdEngineDDLMapper.dropColumnForSuperTable(TdTableDO.builder()
.dataBaseName(databaseName)
.superTableName(tableName)
.column(modifyField)
.build());
tdEngineDDLMapper.addColumnForSuperTable(TdTableDO.builder()
.dataBaseName(databaseName)
.superTableName(tableName)
.column(modifyField)
.build());
}
}
}
/**
* 获取需要新增的字段
*/
private List<TdFieldDO> getAddFields(List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
Set<String> oldFieldNames = oldFields.stream()
.map(TdFieldDO::getFieldName)
.collect(Collectors.toSet());
return newFields.stream()
.filter(f -> !oldFieldNames.contains(f.getFieldName()))
.collect(Collectors.toList());
}
/**
* 获取需要修改的字段
*/
private List<TdFieldDO> getModifyFields(List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
Map<String, TdFieldDO> oldFieldMap = oldFields.stream()
.collect(Collectors.toMap(TdFieldDO::getFieldName, f -> f));
return newFields.stream()
.filter(f -> {
TdFieldDO oldField = oldFieldMap.get(f.getFieldName());
return oldField != null && (
!oldField.getDataType().equals(f.getDataType()) ||
!Objects.equals(oldField.getDataLength(), f.getDataLength())
);
})
.collect(Collectors.toList());
}
/**
* 获取需要删除的字段
*/
private List<TdFieldDO> getDropFields(List<TdFieldDO> oldFields, List<TdFieldDO> newFields) {
Set<String> newFieldNames = newFields.stream()
.map(TdFieldDO::getFieldName)
.collect(Collectors.toSet());
return oldFields.stream()
.filter(f -> !"time".equals(f.getFieldName()))
.filter(f -> !newFieldNames.contains(f.getFieldName()))
.collect(Collectors.toList());
}
/**
* 构建物模型
*/
private ThingModelRespVO buildThingModel(IotProductDO product, List<IotProductThingModelDO> thingModelList) {
ThingModelRespVO thingModel = new ThingModelRespVO();
thingModel.setId(product.getId());
thingModel.setProductKey(product.getProductKey());
List<ThingModelProperty> properties = thingModelList.stream()
.filter(item -> IotProductThingModelTypeEnum.PROPERTY.equals(
IotProductThingModelTypeEnum.valueOfType(item.getType())))
.map(this::buildThingModelProperty)
.collect(Collectors.toList());
ThingModelRespVO.Model model = new ThingModelRespVO.Model();
model.setProperties(properties);
thingModel.setModel(model);
return thingModel;
}
/**
* 构建物模型属性
*/
private ThingModelProperty buildThingModelProperty(IotProductThingModelDO thingModel) {
ThingModelProperty property = BeanUtil.copyProperties(thingModel, ThingModelProperty.class);
property.setDataType(thingModel.getProperty().getDataType());
return property;
}
/**
* 获取数据库名称
*/
private String getDatabaseName() {
int index = url.lastIndexOf("/");
return index != -1 ? url.substring(index + 1) : url;
}
/**
* 获取超级表名称
*/
private String getSuperTableName(Integer deviceType, String productKey) {
String prefix = switch (deviceType) {
case 1 -> "gateway_sub_";
case 2 -> "gateway_";
default -> "device_";
};
return (prefix + productKey).toLowerCase();
}
}

View File

@ -61,13 +61,6 @@ public interface IotProductThingModelService {
*/
PageResult<IotProductThingModelDO> getProductThingModelPage(IotProductThingModelPageReqVO pageReqVO);
/**
* 创建超级表数据模型
*
* @param productId 产品编号
*/
void createSuperTableDataModel(Long productId);
/**
* 获得产品物模型列表
*

View File

@ -21,7 +21,6 @@ import cn.iocoder.yudao.module.iot.enums.product.IotProductStatusEnum;
import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelAccessModeEnum;
import cn.iocoder.yudao.module.iot.enums.thingmodel.IotProductThingModelTypeEnum;
import cn.iocoder.yudao.module.iot.service.product.IotProductService;
import cn.iocoder.yudao.module.iot.service.tdengine.IotSuperTableService;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
@ -50,8 +49,6 @@ public class IotProductThingModelServiceImpl implements IotProductThingModelServ
@Resource
private IotProductService productService;
@Resource
private IotSuperTableService dbStructureDataService;
@Override
@Transactional(rollbackFor = Exception.class)
@ -183,18 +180,6 @@ public class IotProductThingModelServiceImpl implements IotProductThingModelServ
return productThingModelMapper.selectPage(pageReqVO);
}
@Override
public void createSuperTableDataModel(Long productId) {
// 1. 查询产品
IotProductDO product = productService.getProduct(productId);
// 2. 查询产品的物模型功能列表
List<IotProductThingModelDO> thingModelList = productThingModelMapper.selectListByProductId(productId);
// 3. 生成 TDengine 的数据模型
dbStructureDataService.createSuperTableDataModel(product, thingModelList);
}
@Override
public List<IotProductThingModelDO> getProductThingModelListByProductKey(String productKey) {
return productThingModelMapper.selectListByProductKey(productKey);

View File

@ -0,0 +1,45 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="cn.iocoder.yudao.module.iot.dal.tdengine.IotDevicePropertyDataMapper">
<select id="getProductPropertySTableFieldList" resultType="cn.iocoder.yudao.module.iot.framework.tdengine.core.TDengineTableField">
DESCRIBE product_property_${productKey}
</select>
<update id="createProductPropertySTable">
CREATE STABLE product_property_${productKey}
<foreach item="field" collection="fields" separator="," open="(" close=")">
${field.field} ${field.type}
<if test="field.length != null and field.length > 0">
(${field.length})
</if>
</foreach>
TAGS (
device_key NCHAR(50)
)
</update>
<update id="alterProductPropertySTableAddField">
ALTER STABLE product_property_${productKey}
ADD COLUMN ${field.field} ${field.type}
<if test="field.length != null and field.length > 0">
(${field.length})
</if>
</update>
<update id="alterProductPropertySTableModifyField">
ALTER STABLE product_property_${productKey}
MODIFY COLUMN ${field.field} ${field.type}
<if test="field.length != null and field.length > 0">
(${field.length})
</if>
</update>
<update id="alterProductPropertySTableDropField">
ALTER STABLE product_property_${productKey}
DROP COLUMN ${field.field}
</update>
</mapper>