事务范围 wcf 并避免不必要的升级为分布式事务
我在 WCF 应用程序中升级分布式事务时遇到问题。
我的代码看起来像这样：
LogRepository
public void AddLog(ImportLogDbo log)
{
using (DbManager dbManager = new DbManager("controlServerConnectionString"))
{
dbManager.SetSpCommand("dbo.ImportLog_Create",
dbManager.Parameter("@ImportFile", log.ImportFile),
dbManager.Parameter("@ImportError", log.ImportError),
dbManager.Parameter("@ImportHash", log.ImportHash),
dbManager.Parameter("@ImportCompleted", log.ImportCompleted))
.ExecuteNonQuery();
}
}
LogService
public void AddImportLog(string ImportFile, string ImportHash)
{
ImportLogDbo importLogDbo = new ImportLogDbo
{
ImportCompleted = false,
ImportFile = ImportFile,
ImportHash = ImportHash
};
if (_importLogRepository.GetByFileName(ImportFile) == null)
{
using (TransactionScope scope = new TransactionScope())
{
_importLogRepository.AddLog(importLogDbo);
scope.Complete();
}
}
}
项目位于 .NET 4 中，我使用 Sql Server 2008R2
上面的代码调用我的 wcf 服务，其配置如下
<wsHttpBinding>
<binding name="wsHttpBinding" transactionFlow="True" maxReceivedMessageSize="2147483647" closeTimeout="5:00:00" openTimeout="5:00:00" receiveTimeout="5:00:00" />
</wsHttpBinding>
<endpoint address="http://localhost:8080/AppServer/WsDocumentImportService" binding="wsHttpBinding" name="wsBinding" contract="ComDocs.AppServerServiceLibary.Abstract.IDocumentImportService"/>
我的问题是在事务范围内，它总是作为分布式提升。
我做错了什么吗？ （我对 wcf 服务编程有点陌生）
谢谢
i have problem with escalation distributed transactions in wcf application.
My code looks something like this :
LogRepository
public void AddLog(ImportLogDbo log)
{
using (DbManager dbManager = new DbManager("controlServerConnectionString"))
{
dbManager.SetSpCommand("dbo.ImportLog_Create",
dbManager.Parameter("@ImportFile", log.ImportFile),
dbManager.Parameter("@ImportError", log.ImportError),
dbManager.Parameter("@ImportHash", log.ImportHash),
dbManager.Parameter("@ImportCompleted", log.ImportCompleted))
.ExecuteNonQuery();
}
}
LogService
public void AddImportLog(string ImportFile, string ImportHash)
{
ImportLogDbo importLogDbo = new ImportLogDbo
{
ImportCompleted = false,
ImportFile = ImportFile,
ImportHash = ImportHash
};
if (_importLogRepository.GetByFileName(ImportFile) == null)
{
using (TransactionScope scope = new TransactionScope())
{
_importLogRepository.AddLog(importLogDbo);
scope.Complete();
}
}
}
Project is in .NET 4 and i use Sql Server 2008R2
Code above call my wcf service, which is configured like this
<wsHttpBinding>
<binding name="wsHttpBinding" transactionFlow="True" maxReceivedMessageSize="2147483647" closeTimeout="5:00:00" openTimeout="5:00:00" receiveTimeout="5:00:00" />
</wsHttpBinding>
<endpoint address="http://localhost:8080/AppServer/WsDocumentImportService" binding="wsHttpBinding" name="wsBinding" contract="ComDocs.AppServerServiceLibary.Abstract.IDocumentImportService"/>
My problem is in transaction scope, which is ALWAYS promote as distribued.
I'm doing something wrong? (I am bit new in wcf service programming)
Thanks
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transactionFlow = “true” 会将事务传播到服务边界之外。尝试将其设置为 false。您需要更细粒度的事务范围，可以使用该属性进行设置。有关详细信息，请查看以下内容：
http://msdn.microsoft.com /en-us/magazine/cc163432.aspx
transactionFlow = “true” will propagate the transaction outside the service boundary. Try to set it to false. You you need a more granular transaction scope you could set it using the attribute. for more info have a look at the below:
http://msdn.microsoft.com/en-us/magazine/cc163432.aspx