修复IoTDB可空类型转换赋值失败的问题

modules/JiShe.CollectBus.Analyzers/ComplexTypeSourceAnalyzers.cs

@@ -531,7 +531,14 @@ namespace JiShe.CollectBus.IncrementalGenerator
                 var entityType = prop.ContainingType.ToDisplayString();//entity 实体类型名称
                 var propType = prop.Type;//实体属性的类型
                 var propTypeName = propType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat);
-                var declaredTypeName = propType.Name; // 直接获取类型名称（如 "Int32"）
+               // var declaredTypeName = propType.Name; // 直接获取类型名称（如 "Int32"）
+                                                      // 处理可空类型，获取底层具体类型名称
+                var declaredTypeName = propType switch
+                {
+                    INamedTypeSymbol { OriginalDefinition.SpecialType: SpecialType.System_Nullable_T } nullableType =>
+                        nullableType.TypeArguments[0].Name, // 提取如 "Int32"
+                    _ => propType.Name
+                };
 
                 // 处理主属性
                 var propAttributes = prop.GetAttributes()

modules/JiShe.CollectBus.IoTDB/Provider/IoTDBProvider.cs

@@ -589,7 +589,10 @@ namespace JiShe.CollectBus.IoTDB.Provider
                 for (int i = 0; i < metadata.Processors.Count; i++)
                 {
                     var value = record.Values[i];
-                    metadata.Processors[i].ValueSetter(entity, value);
+                    if (!(value is System.DBNull))
+                    {
+                        metadata.Processors[i].ValueSetter(entity, value);
+                    }
                 }
 
                 results.Add(entity);
@@ -615,9 +618,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
                 if (member.NameOrPath.Contains(".Item")) continue;
 
                 // 类型名称处理 
-                Type declaredType = member.DeclaredType;
+                string declaredTypeName = member.DeclaredTypeName;
-                var underlyingType = Nullable.GetUnderlyingType(declaredType);
-                string declaredTypeName = underlyingType?.Name ?? member.DeclaredTypeName;
 
                 // 特性查询优化
                 var attributes = member.CustomAttributes ?? Enumerable.Empty<Attribute>();
@@ -630,15 +631,15 @@ namespace JiShe.CollectBus.IoTDB.Provider
                 ColumnInfo? column = null;
                 if (tagAttr != null)
                 {
-                    column = new ColumnInfo(member.NameOrPath, ColumnCategory.TAG, GetDataTypeFromTypeName(declaredTypeName), false, member.DeclaredTypeName);
+                    column = new ColumnInfo(member.NameOrPath, ColumnCategory.TAG, GetDataTypeFromTypeName(member.DeclaredTypeName), false, member.DeclaredTypeName);
                 }
                 else if (attrColumn != null)
                 {
-                    column = new ColumnInfo(member.NameOrPath, ColumnCategory.ATTRIBUTE, GetDataTypeFromTypeName(declaredTypeName), false, member.DeclaredTypeName);
+                    column = new ColumnInfo(member.NameOrPath, ColumnCategory.ATTRIBUTE, GetDataTypeFromTypeName(member.DeclaredTypeName), false, member.DeclaredTypeName);
                 }
                 else if (fieldColumn != null)
                 {
-                    column = new ColumnInfo(member.NameOrPath, ColumnCategory.FIELD, GetDataTypeFromTypeName(declaredTypeName), false, member.DeclaredTypeName);
+                    column = new ColumnInfo(member.NameOrPath, ColumnCategory.FIELD, GetDataTypeFromTypeName(member.DeclaredTypeName), false, member.DeclaredTypeName);
                 }
 
                 // 单测模式处理
@@ -715,7 +716,8 @@ namespace JiShe.CollectBus.IoTDB.Provider
 
                     var item2Member = accessor.MemberList
                         .First(m => m.NameOrPath == $"{column.Name}.Item2");
-                    processor.ValueGetter = (obj) => {
+                    processor.ValueGetter = (obj) =>
+                    {
                         object rawValue = item2Member.Getter(obj);
                         return processor.GetConverter(rawValue);
                     };
@@ -724,7 +726,8 @@ namespace JiShe.CollectBus.IoTDB.Provider
                 {
                     // 获取对应的成员访问器
                     var member = accessor.MemberList.First(m => m.NameOrPath == column.Name);
-                    processor.ValueGetter = (obj) => {
+                    processor.ValueGetter = (obj) =>
+                    {
                         object rawValue = member.Getter(obj);
                         return processor.GetConverter(rawValue);
                     };
@@ -793,7 +796,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
         {
             return declaredTypeName switch
             {
-                "DATETIME" => value => ((DateTime)value).GetDateTimeOffset().ToUnixTimeNanoseconds(),
+                "DATETIME" => value => value != null ? ((DateTime)value).GetDateTimeOffset().ToUnixTimeNanoseconds() : null,
                 _ => value => value
             };
         }
@@ -805,7 +808,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <returns></returns>
         private Func<object, object> SetterConverter(string columnName) =>
             columnName.ToLower().EndsWith("time")
-            ? value => new DateTime(Convert.ToInt64(value), DateTimeKind.Utc)
+            ? value => value != null ? TimestampHelper.ConvertToDateTime(Convert.ToInt64(value), TimestampUnit.Nanoseconds) : null
             : value => value;
 
         /// <summary>

services/JiShe.CollectBus.Application/Samples/SampleAppService.cs

@@ -87,8 +87,9 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
 
         //ElectricityMeterTreeModelAccessor.
         //TableModelSingleMeasuringEntityExtension
-       //TableModelSingleMeasuringEntityAccessor.GetSystemName(meter);
+        //TableModelSingleMeasuringEntityAccessor.GetSystemName(meter);
-        await _iotDBProvider.InsertAsync(meter);
+        //ElectricityMeterAccessor
+         await _iotDBProvider.InsertAsync(meter);
     }
 
     /// <summary>
@@ -124,10 +125,29 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
             MeterModel = "DDZY-1980",
             ProjectId = "10059",
             Voltage = 10,
+            CurrentdDateTime = DateTime.Now,
             Timestamps = DateTimeOffset.Now.ToUnixTimeNanoseconds(),
         };
         await _iotDBProvider.InsertAsync(meter);
 
+        QueryCondition conditions = new QueryCondition()
+        {
+            Field = "DeviceId",
+            Operator = "=",
+            Value = meter.DeviceId
+        };
+
+
+        var query = new IoTDBQueryOptions()
+        {
+            TableNameOrTreePath = nameof(ElectricityMeter),
+            PageIndex = 1,
+            PageSize = 1,
+            Conditions = new List<QueryCondition>() { conditions },
+        };
+
+        var pageResult = await _iotDBProvider.QueryAsync<ElectricityMeter>(query);
+
     }
 
     /// <summary>

services/JiShe.CollectBus.Application/ScheduledMeterReading/BasicScheduledMeterReadingService.cs

@@ -371,8 +371,8 @@ namespace JiShe.CollectBus.ScheduledMeterReading
 
             timer1.Stop();
             _logger.LogError($"电表初始化读取数据总共花费时间{timer1.ElapsedMilliseconds}毫秒");
-            DeviceGroupBalanceControl.InitializeCache(focusAddressDataLista, _kafkaOptions.NumPartitions);
+            //DeviceGroupBalanceControl.InitializeCache(focusAddressDataLista, _kafkaOptions.NumPartitions);
-            return;
+            //return;
 #else
                         var meterInfos = await GetAmmeterInfoList(gatherCode);
 #endif

services/JiShe.CollectBus.Domain/Ammeters/ElectricityMeter.cs

@@ -1,6 +1,7 @@
 using JiShe.CollectBus.Analyzers.Shared;
 using JiShe.CollectBus.IoTDB.Attributes;
 using JiShe.CollectBus.IoTDB.Model;
+using System;
 
 namespace JiShe.CollectBus.Ammeters
 {
@@ -33,5 +34,8 @@ namespace JiShe.CollectBus.Ammeters
 
         [FIELDColumn]
         public double? Currentd { get; set; }
+
+        [FIELDColumn]
+        public DateTime? CurrentdDateTime { get; set; }
     }
 }

services/JiShe.CollectBus.Domain/Ammeters/ElectricityMeterTreeModel.cs

@@ -34,7 +34,5 @@ namespace JiShe.CollectBus.Ammeters
 
         [FIELDColumn]
         public double? Currentd { get; set; }
-
-        public ValueTuple<int, string> TupleData { get; set; }
     }
 }

services/JiShe.CollectBus.Domain/IotSystems/Ammeters/AmmeterInfo.cs

@@ -80,11 +80,6 @@ namespace JiShe.CollectBus.IotSystems.Ammeters
         /// </summary>		
         public string Password { get; set; }
          
-        /// <summary>
-        /// 采集时间间隔(分钟，如15)
-        /// </summary>
-        public int TimeDensity { get; set; }
-
         /// <summary>
         /// 该电表方案下采集项，JSON格式，如：["0D_80","0D_80"]
         /// </summary>

services/JiShe.CollectBus.Domain/IotSystems/Devices/DeviceCacheInfo.cs

@@ -0,0 +1,156 @@
+using FreeSql.DataAnnotations;
+using JiShe.CollectBus.Analyzers.Shared;
+using JiShe.CollectBus.Common.Enums;
+using JiShe.CollectBus.Common.Models;
+using JiShe.CollectBus.IoTDB.Attributes;
+using JiShe.CollectBus.IoTDB.Model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.IotSystems.Devices
+{
+    /// <summary>
+    /// 设备缓存信息
+    /// </summary> 
+    public class DeviceCacheInfo : DeviceCacheBasicModel
+    {
+        /// <summary>
+        /// 关系映射标识，用于ZSet的Member字段和Set的Value字段，具体值可以根据不同业务场景进行定义
+        /// </summary>
+        [Column(IsIgnore = true)]
+        public override string MemberId => $"{FocusAddress}:{MeteringCode}";
+
+        /// <summary>
+        /// ZSet排序索引分数值，具体值可以根据不同业务场景进行定义，例如时间戳
+        /// </summary>
+        [Column(IsIgnore = true)]
+        public override long ScoreValue => Common.Helpers.CommonHelper.GetFocusScores(FocusAddress, MeteringCode);
+
+        /// <summary>
+        /// 标记信息设备类型
+        /// </summary>
+        [Column(IsIgnore = true)]
+        public MeterTypeEnum MeterType { get; set; }
+
+        /// <summary>
+        /// 电表名称
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 集中器地址
+        /// </summary>
+        public string Address { get; set; }
+
+        /// <summary>
+        /// 集中器区域代码
+        /// </summary>
+        public string AreaCode { get; set; }
+
+        /// <summary>
+        /// 电表类别 （1单相、2三相三线、3三相四线）,
+        /// 07协议： 开合闸指令(1A开闸断电,1C单相表合闸,1B多相表合闸)  645 2007 表
+        /// 97协议：//true(合闸);false(跳闸)  545 1997 没有单相多相  之分  "true" ? "9966" : "3355"
+        /// </summary>		
+        public int TypeName { get; set; }
+
+        /// <summary>
+        /// 跳合闸状态字段：  0 合闸，1 跳闸
+        /// 电表：TripState （0 合闸-通电, 1 断开、跳闸）；
+        /// </summary>
+        public int TripState { get; set; }
+
+        /// <summary>
+        /// 规约  -电表default(30) 1：97协议，30：07协议
+        /// </summary>
+        public int? Protocol { get; set; }
+
+        /// <summary>
+        /// 一个集中器下的[MeteringCode]必须唯一。 PN
+        /// </summary>
+        public int MeteringCode { get; set; }
+
+        /// <summary>
+        /// 电表通信地址
+        /// </summary>
+        public string AmmerterAddress { get; set; }
+
+        /// <summary>
+        /// 波特率 default(2400)
+        /// </summary>
+        public int Baudrate { get; set; }
+
+        /// <summary>
+        ///  MeteringPort 端口就几个可以枚举。
+        /// </summary>
+        public int MeteringPort { get; set; }
+
+        /// <summary>
+        /// 电表密码
+        /// </summary>		
+        public string Password { get; set; }
+
+        /// <summary>
+        /// 该电表方案下采集项，JSON格式，如：["0D_80","0D_80"]
+        /// </summary>
+        public string ItemCodes { get; set; }
+
+        /// <summary>        
+        /// State表状态: 
+        /// 0新装（未下发），1运行(档案下发成功时设置状态值1)， 2暂停, 100销表（销表后是否重新启用）
+        /// 特定：State   -1 已删除
+        /// </summary>		
+        public int State { get; set; }
+
+        /// <summary>
+        /// 是否自动采集(0:主动采集，1：自动采集)
+        /// </summary>
+        public int AutomaticReport { get; set; }
+
+        /// <summary>
+        /// 该电表方案下采集项编号
+        /// </summary>
+        public string DataTypes { get; set; }
+
+        /// <summary>
+        /// 品牌型号
+        /// </summary>
+        public string BrandType { get; set; }
+
+        /// <summary>
+        /// 采集器编号
+        /// </summary>
+        public string GatherCode { get; set; }
+
+        /// <summary>
+        /// 是否特殊表，1是特殊电表
+        /// </summary>
+        public int Special { get; set; }
+
+        /// <summary>
+        /// 费率类型，单、多   (SingleRate :单费率（单相表1），多费率（其他0） ，与TypeName字段无关)  
+        /// SingleRate ? "单" : "复"  
+        /// [SingleRate]  --0 复费率 false ， 1 单费率 true   （与PayPlanID保持一致）
+        ///对应 TB_PayPlan.Type: 1复费率，2单费率
+        /// </summary>
+        public bool SingleRate { get; set; }
+
+        /// <summary>
+        /// 项目ID
+        /// </summary>
+        public int ProjectID { get; set; }
+
+        /// <summary>
+        /// 数据库业务ID
+        /// </summary>
+        public int DatabaseBusiID { get; set; }
+
+        /// <summary>
+        /// 是否异常集中器 0:正常，1异常
+        /// </summary>
+        public int AbnormalState { get; set; } 
+    }
+}

shared/JiShe.CollectBus.Common/Models/DeviceCacheBasicModel.cs

@@ -40,5 +40,10 @@ namespace JiShe.CollectBus.Common.Models
         /// 集中器地址
         /// </summary>
         public string FocusAddress { get; set;}
+
+        /// <summary>
+        /// 采集时间间隔(分钟，如15)
+        /// </summary>
+        public int TimeDensity { get; set; }
     }
 }