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GameServer/Contents/Shop/DbQuery/DBQShopProductTradingMeterReadAll.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+using ServerCommon.BusinessLogDomain;
+using MetaAssets;
+
+
+namespace GameServer;
+
+public class DBQShopProductTradingMeterReadAll : QueryExecutorBase
+{
+    private string m_pk { get; set; } = string.Empty;
+    private readonly string m_combination_key_for_pk;
+    private readonly List<ShopProductTradingMeterDoc> m_to_read_meter_docs = new();
+
+    public DBQShopProductTradingMeterReadAll(string combinationKeyForPk)
+        : base(nameof(DBQShopProductTradingMeterReadAll))
+    {
+        m_combination_key_for_pk = combinationKeyForPk;
+    }
+    
+    //=====================================================================================
+    // DB 쿼리 직전에 준비해야 할 로직들을 작성한다.
+    //=====================================================================================
+    public override async Task<Result> onPrepareQuery()
+    {
+        var result = new Result();
+
+        var owner = getOwner();
+        NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
+
+        var doc = new ShopProductTradingMeterDoc();
+        doc.setCombinationKeyForPK(m_combination_key_for_pk);
+
+        var error_code = doc.onApplyPKSK();
+        if (error_code.isFail())
+        {
+            var err_msg = $"Failed to onApplyPKSK() !!! : {error_code.toBasicString()} - {toBasicString()}, {owner.toBasicString()}";
+            result.setFail(error_code, err_msg);
+            Log.getLogger().error(result.toBasicString());
+            return result;
+        }
+
+        m_pk = doc.getPK();
+
+        return await Task.FromResult(result);
+    }
+    
+    //=====================================================================================
+    // onPrepareQuery()를 성공할 경우 호출된다.
+    //=====================================================================================
+    public override async Task<Result> onQuery()
+    {
+        var result = new Result();
+        var err_msg = string.Empty;
+        
+        var owner = getOwner();
+        NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
+
+        var query_batch = getQueryBatch();
+        NullReferenceCheckHelper.throwIfNull(query_batch, () => $"query_batch is null !!!");
+
+        var db_connector = query_batch.getDynamoDbConnector();
+        var query_config = db_connector.makeQueryConfigForReadByPKOnly(m_pk);
+
+        (result, var read_docs) = await db_connector.simpleQueryDocTypesWithQueryOperationConfig<ShopProductTradingMeterDoc>(query_config, eventTid: query_batch.getTransId());
+        if (result.isFail())
+        {
+            return result;
+        }
+
+        var shop_action = owner.getEntityAction<ShopAction>();
+        NullReferenceCheckHelper.throwIfNull(shop_action, () => $"shop_action is null !!!");
+
+        foreach (var read_doc in read_docs)
+        {
+            result = await shop_action.setMyShopProductFromDoc(read_doc);
+            if (result.isFail()) return result;
+
+            m_to_read_meter_docs.Add(read_doc);
+        }
+        
+        return await Task.FromResult(result);
+    }
+    
+    //=====================================================================================
+    // DB 쿼리를 성공하고, doFnCommit()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
+    //=====================================================================================
+    public override async Task onQueryResponseCommit() => await Task.CompletedTask;
+    
+    //=====================================================================================
+    // DB 쿼리를 실패하고, doFnRollback()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
+    //=====================================================================================
+    public override async Task onQueryResponseRollback(Result errorResult) => await Task.CompletedTask;
+
+    private new Player? getOwner() => getQueryBatch()?.getLogActor() as Player;
+}