Files
caliverse_server/GameServer/Entity/CaliumStorage/DbQuery/DBQCaliumStorageLoad.cs
2025-05-01 07:20:41 +09:00

100 lines
4.2 KiB
C#

using ServerCore;
using ServerBase;
using ServerCommon;
namespace GameServer;
public class DBQCaliumStorageLoad : QueryExecutorBase
{
private string m_pk = string.Empty;
public DBQCaliumStorageLoad() : base(nameof(DBQCaliumStorageLoad)) {}
//===================================================================================================
// DB 쿼리 직전에 준비해야 할 로직들을 작성한다.
//===================================================================================================
public override Task<Result> onPrepareQuery()
{
var result = new Result();
var owner = getOwner();
NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
var doc = new CaliumStorageDoc();
doc.setCombinationKeyForPK(string.Empty);
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 Task.FromResult(result);
}
m_pk = doc.getPK();
return Task.FromResult(result);
}
//===================================================================================================
// onPrepareQuery()를 성공할 경우 호출된다.
//===================================================================================================
public override async Task<Result> onQuery()
{
var result = new Result();
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<CaliumStorageDoc>(query_config, eventTid: query_batch.getTransId());
if (result.isFail()) return result;
if (read_docs.Count <= 0)
{
result.setFail(ServerErrorCode.DynamoDbQueryNoMatchAttribute, $"fail to find calium storage doc");
return result;
}
var calium_storage_doc = read_docs.FirstOrDefault();
NullReferenceCheckHelper.throwIfNull(calium_storage_doc, () => $"calium_storage_doc is null !!! - {owner.toBasicString()}");
var calium_storage_attribute = owner.getEntityAttribute<CaliumStorageAttribute>();
NullReferenceCheckHelper.throwIfNull(calium_storage_attribute, () => $"calium_storage_attribute is null !!! - {owner.toBasicString()}");
if (false == calium_storage_attribute.copyEntityAttributeFromDoc(calium_storage_doc))
{
var err_msg = $"failed to load Calium Storage !!! - {owner.toBasicString()}";
result.setFail(ServerErrorCode.FailToLoadCalium, err_msg);
Log.getLogger().error(result.toBasicString());
}
return result;
}
//===================================================================================================
// DB 쿼리를 성공하고, doFnCommit()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
//===================================================================================================
public override Task onQueryResponseCommit()
{
return Task.CompletedTask;
}
//===================================================================================================
// DB 쿼리를 실패하고, doFnRollback()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
//===================================================================================================
public override Task onQueryResponseRollback(Result errorResult)
{
return Task.CompletedTask;
}
private new CaliumStorageEntity? getOwner() => getQueryBatch()?.getLogActor() as CaliumStorageEntity;
}