100 lines
4.2 KiB
C#
100 lines
4.2 KiB
C#
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using ServerCore;
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using ServerBase;
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using ServerCommon;
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namespace GameServer;
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public class DBQCaliumStorageLoad : QueryExecutorBase
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{
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private string m_pk = string.Empty;
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public DBQCaliumStorageLoad() : base(nameof(DBQCaliumStorageLoad)) {}
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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 Task<Result> onPrepareQuery()
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{
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var result = new Result();
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var owner = getOwner();
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NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
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var doc = new CaliumStorageDoc();
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doc.setCombinationKeyForPK(string.Empty);
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var error_code = doc.onApplyPKSK();
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if (error_code.isFail())
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{
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var err_msg = $"Failed to onApplyPKSK() !!! : {error_code.toBasicString()} - {toBasicString()}, {owner.toBasicString()}";
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result.setFail(error_code, err_msg);
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Log.getLogger().error(result.toBasicString());
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return Task.FromResult(result);
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}
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m_pk = doc.getPK();
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return Task.FromResult(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 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 !!!");
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var db_connector = query_batch.getDynamoDbConnector();
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var query_config = db_connector.makeQueryConfigForReadByPKOnly(m_pk);
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(result, var read_docs) = await db_connector.simpleQueryDocTypesWithQueryOperationConfig<CaliumStorageDoc>(query_config, eventTid: query_batch.getTransId());
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if (result.isFail()) return result;
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if (read_docs.Count <= 0)
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{
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result.setFail(ServerErrorCode.DynamoDbQueryNoMatchAttribute, $"fail to find calium storage doc");
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return result;
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}
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var calium_storage_doc = read_docs.FirstOrDefault();
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NullReferenceCheckHelper.throwIfNull(calium_storage_doc, () => $"calium_storage_doc is null !!! - {owner.toBasicString()}");
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var calium_storage_attribute = owner.getEntityAttribute<CaliumStorageAttribute>();
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NullReferenceCheckHelper.throwIfNull(calium_storage_attribute, () => $"calium_storage_attribute is null !!! - {owner.toBasicString()}");
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if (false == calium_storage_attribute.copyEntityAttributeFromDoc(calium_storage_doc))
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{
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var err_msg = $"failed to load Calium Storage !!! - {owner.toBasicString()}";
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result.setFail(ServerErrorCode.FailToLoadCalium, err_msg);
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Log.getLogger().error(result.toBasicString());
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}
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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 Task onQueryResponseCommit()
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{
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return Task.CompletedTask;
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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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private new CaliumStorageEntity? getOwner() => getQueryBatch()?.getLogActor() as CaliumStorageEntity;
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} |