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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Collections.Concurrent;
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using Newtonsoft.Json;
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using Amazon.DynamoDBv2;
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using Amazon.DynamoDBv2.Model;
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using Amazon.DynamoDBv2.DocumentModel;
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using Amazon.Runtime;
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using ServerCore;
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using ServerBase;
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using SESSION_ID = System.Int32;
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using WORLD_ID = System.UInt32;
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using META_ID = System.UInt32;
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using ENTITY_GUID = System.String;
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using ACCOUNT_ID = System.String;
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using OWNER_GUID = System.String;
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using USER_GUID = System.String;
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using CHARACTER_GUID = System.String;
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using ITEM_GUID = System.String;
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namespace ServerCommon;
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public class DBQWriteToAttributeAllWithTransactionRunner : QueryExecutorBase
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{
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private readonly List<DynamoDbDocBase> m_to_write_docs = new();
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private readonly List<IEntityAttributeTransactor> m_transactors = new();
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private readonly Dictionary<string, EntityCommonResult> m_entity_common_results = new();
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public DBQWriteToAttributeAllWithTransactionRunner()
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: base(typeof(DBQWriteToAttributeAllWithTransactionRunner).Name)
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{
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}
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//=====================================================================================
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// DB 쿼리 직전에 준비해야 할 로직들을 작성한다.
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//=====================================================================================
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public override async Task<Result> onPrepareQuery()
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{
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await Task.CompletedTask;
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var result = new Result();
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var err_msg = string.Empty;
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var owner = getOwner();
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NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
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var to_find_transaction_type = TransactionIdType.PrivateContents;
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var transaction_runner = owner.findTransactionRunner(to_find_transaction_type);
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if(null == transaction_runner)
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{
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err_msg = $"Not found TransactionRunner !!! : TransactionType:{to_find_transaction_type} - {owner.toBasicString()}";
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result.setFail(ServerErrorCode.TransactionRunnerNotFound, err_msg);
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Log.getLogger().error(result.toBasicString());
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return result;
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}
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// 자기 자신의 Transactor들을 얻어 온다 !!!
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var transactors = transaction_runner.getEntityAttributeTransactorAll4DbQuery();
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foreach(var transactor in transactors)
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{
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if(true == transactor.isReadOnly())
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{
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continue;
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}
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(result, var to_write_doc_nullable) = await transactor.makeDocBase();
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if(result.isFail())
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{
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return result;
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}
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NullReferenceCheckHelper.throwIfNull(to_write_doc_nullable, () => $"to_write_doc_nullable is null !!!");
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m_to_write_docs.Add(to_write_doc_nullable);
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m_transactors.Add(transactor);
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}
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return result;
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}
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//=====================================================================================
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// onPrepareQuery()를 성공할 경우 호출된다.
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//=====================================================================================
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public override async Task<Result> onQuery()
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{
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var result = new Result();
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var err_msg = string.Empty;
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var owner = getOwner();
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NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
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var query_batch = getQueryBatch();
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NullReferenceCheckHelper.throwIfNull(query_batch, () => $"query_batch is null !!! - {owner.toBasicString()}");
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var query_runner = query_batch.getQueryRunner();
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NullReferenceCheckHelper.throwIfNull(query_runner, () => $"query_runner is null !!! - {owner.toBasicString()}");
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foreach (var to_write_doc in m_to_write_docs)
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{
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(result, var query_context) = await query_runner.tryCreateQueryContext(to_write_doc);
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if (result.isFail())
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{
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return result;
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}
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NullReferenceCheckHelper.throwIfNull(query_context, () => $"query_context is null !!! - {owner.toBasicString()}");
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result = await query_runner.tryRegisterQueryContext(query_context);
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if (result.isFail())
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{
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return result;
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}
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}
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var write_msg = $"{this.getTypeName()} : tryWriteCount:{m_to_write_docs.Count}, isUseTransact:{query_batch.isUseTransact()} - TransId:{query_batch.getTransId()}";
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Log.getLogger().info(write_msg);
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return result;
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}
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//=====================================================================================
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// DB 쿼리를 성공하고, doFnCommit()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
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//=====================================================================================
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public override async Task onQueryResponseCommit()
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{
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var result = new Result();
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var err_msg = string.Empty;
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var owner = getOwner();
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NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
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var to_find_transaction_id_type = TransactionIdType.PrivateContents;
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var transaction_runner = owner.findTransactionRunner(to_find_transaction_id_type);
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if (null == transaction_runner)
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{
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err_msg = $"transaction_runner is null !!! : TransactionIdType:{to_find_transaction_id_type} - {owner.toBasicString()}";
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Log.getLogger().error(err_msg);
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return;
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}
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var query_batch = getQueryBatch();
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NullReferenceCheckHelper.throwIfNull(query_batch, () => $"query_batch is null !!! - {owner.toBasicString()}");
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result = await transaction_runner.onCommitResults4DbQuery(m_transactors, query_batch);
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if (result.isFail())
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{
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err_msg = $"Failed to onCommitResults4DbQuery() !!! : {result.toBasicString()} - {owner.toBasicString()}";
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Log.getLogger().error(err_msg);
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return;
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}
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}
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//=====================================================================================
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// DB 쿼리를 성공한 후에 EntityAttribute 변경 사항이 있는 경우 호출해 준다.
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//=====================================================================================
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public virtual async Task onMergeAfterQueryCommit()
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{
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await Task.CompletedTask;
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var result = new Result();
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var err_msg = string.Empty;
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var owner = getOwner();
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NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
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var to_find_transaction_id_type = TransactionIdType.PrivateContents;
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var transaction_runner = owner.findTransactionRunner(to_find_transaction_id_type);
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if (null == transaction_runner)
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{
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err_msg = $"transaction_runner is null !!! : TransactionIdType:{to_find_transaction_id_type} - {owner.toBasicString()}";
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Log.getLogger().error(err_msg);
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return;
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}
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var query_batch = getQueryBatch();
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NullReferenceCheckHelper.throwIfNull(query_batch, () => $"query_batch is null !!! - {owner.toBasicString()}");
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result = await transaction_runner.onCommitResults(query_batch);
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if (result.isFail())
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{
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err_msg = $"Failed to onCommitResults() !!! : {result.toBasicString()} - {owner.toBasicString()}";
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Log.getLogger().error(err_msg);
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return;
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}
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}
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//=====================================================================================
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// DB 쿼리를 실패하고, doFnRollback()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
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//=====================================================================================
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public override Task onQueryResponseRollback(Result errorResult)
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{
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return Task.CompletedTask;
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}
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}
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