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ServerBase/DB/DynamoDb/DynamoDbItemRequestBase.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+
+using Amazon.DynamoDBv2;
+
+
+using ServerCore; using ServerBase;
+
+
+namespace ServerBase;
+
+//=============================================================================================
+// DynamoDb ItemRequest 기반 Query Context
+//
+//                                                                                   - kangms
+//=============================================================================================
+
+public partial class DynamoDbItemRequestQueryContext : IQueryContext
+{
+    private readonly AmazonDynamoDBRequest m_db_request;
+    private QueryType m_query_type;
+
+    // TransactionCanceledException 관련 설정
+    private DynamoDbQueryExceptionNotifier.ExceptionHandler? m_exception_handler_nullable;
+
+
+    public DynamoDbItemRequestQueryContext( AmazonDynamoDBRequest dbRequest, QueryType queryType )
+    {
+        m_db_request = dbRequest;
+        m_query_type = queryType;
+    }
+
+    public DynamoDbItemRequestQueryContext( AmazonDynamoDBRequest dbRequest, QueryType queryType
+                                          , DynamoDbQueryExceptionNotifier.ExceptionHandler? exceptionHandler )
+    {
+        m_db_request = dbRequest;
+        m_query_type = queryType;
+        m_exception_handler_nullable = exceptionHandler;
+    }
+
+    public bool isValid()
+    {
+        if (null == m_db_request)
+        {
+            Log.getLogger().error($"DynamoDbDocument is null !!! - {toBasicString()}");
+            return false;
+        }
+
+        if (QueryType.None == m_query_type)
+        {
+            Log.getLogger().error($"DynamoDbDocument QueryType invalid !!! - {toBasicString()}");
+            return false;
+        }
+
+        return true;
+    }
+
+    public string toBasicString()
+    {
+        return $"{this.getTypeName()}, {m_query_type}, {m_db_request?.toBasicString()}";
+    }
+}