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ServerBase/DB/DynamoDb/AttribBase.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+using Amazon.DynamoDBv2.DocumentModel;
+using Newtonsoft.Json.Linq;
+
+
+namespace ServerBase;
+
+public abstract partial class AttribBase
+{
+    // AttribType은 DynamoDb Document 정보를 Read시 식별키로 사용되기 때문에 고유하게 정의되어야 한다 !!! - kangms 
+    [JsonProperty("attrib_type")]
+    public readonly string AttribType;
+
+    private readonly bool m_is_save_to_json_in_db = false;
+
+    public AttribBase(string attribType, bool isSaveToJsonInDb = true)
+    {
+        AttribType = attribType;
+        m_is_save_to_json_in_db = isSaveToJsonInDb;
+    }
+
+    public bool isSaveToJsonInDb() => m_is_save_to_json_in_db;
+
+    public virtual string toJsonString()
+    {
+        return JsonConvert.SerializeObject(this);
+    }
+
+    public virtual Amazon.DynamoDBv2.DocumentModel.Document toDocument()
+    {
+        return DynamoDbClientHelper.classToDynamoDbDocument(this);
+    }
+    public virtual string toBasicString()
+    {
+        return $"AttribType:{AttribType}, {toJsonString()}";
+    }
+}
+
+public partial class AttribWrapper<TAttrib> : IAttribWrapper
+    where TAttrib : AttribBase, new()
+{
+    private TAttrib m_attrib = new();
+
+    public AttribWrapper()
+    {}
+
+    public bool onCopyFromDynamoDbEntry(Amazon.DynamoDBv2.DocumentModel.Document doc)
+    {
+        if(false == doc.fillupAttribObject<TAttrib>(out var fillup_attrib))
+        {
+            return false;
+        }
+
+        if (fillup_attrib == null)
+        {
+            return false;
+        }
+
+        m_attrib = fillup_attrib;
+
+        return true;
+    }
+
+    public bool onCopyToDynamoDbEntry(ref Amazon.DynamoDBv2.DocumentModel.Document doc)
+    {
+        return doc.setAttribObject<TAttrib>(m_attrib);
+    }
+
+    public bool onFillupJsonStringToJObject(ref JObject jobject)
+    {
+        return jobject.setAttribObjectWithJsonString<TAttrib>(m_attrib);
+    }
+}