private async Task <LastEtagsInfo> GetLastStateByOperationId(long operationId, TransactionOperationContext context)
{
var retries = 0;
while (true)
{
if (++retries > 15)
{
return(null);
}
var operationStatus = await GetOperationStatus(DatabaseName, operationId, context);
if (operationStatus == null)
{
return(null);
}
if (operationStatus.TryGet("Completed", out bool completed) == false)
{
return(null);
}
if (completed == false)
{
await Task.Delay(1000, CancelToken.Token);
continue;
}
if (operationStatus.TryGet("OperationState", out BlittableJsonReaderObject operationStateBlittable) == false)
{
// OperationState was added in the latest release of v3.5
return(null);
}
operationStateBlittable.TryGet(nameof(LastEtagsInfo.LastDocsEtag), out string lastDocsEtag);
operationStateBlittable.TryGet(nameof(LastEtagsInfo.LastDocDeleteEtag), out string lastDocsDeleteEtag);
operationStateBlittable.TryGet(nameof(LastEtagsInfo.LastAttachmentsEtag), out string lastAttachmentsEtag);
operationStateBlittable.TryGet(nameof(LastEtagsInfo.LastAttachmentsDeleteEtag), out string lastAttachmentsDeleteEtag);
var lastEtagsInfo = new LastEtagsInfo
{
ServerUrl = ServerUrl,
DatabaseName = DatabaseName,
LastDocsEtag = lastDocsEtag,
LastDocDeleteEtag = lastDocsDeleteEtag,
LastAttachmentsEtag = lastAttachmentsEtag,
LastAttachmentsDeleteEtag = lastAttachmentsDeleteEtag
};
return(lastEtagsInfo);
//operationStateBlittable.Modifications = new DynamicJsonValue
//{
// [nameof(ImportInfo.ServerUrl)] = ServerUrl,
// [nameof(ImportInfo.DatabaseName)] = DatabaseName
//};
//var blittableCopy = context.ReadObject(operationStateBlittable, MigrationStateKey);
//return blittableCopy;
}
}