NHibernate：如何在运行时重新配置映射？
让我们先解决这个问题：我知道 SessionFactory 是不可变的 - 我试图在运行时更改配置并重新生成 ISessionFactory。
具体来说，我映射了一个客户，它将在运行时将一些字段添加到其动态组件节点。我想做这样的事情
var newSessionFactory = previousConfiguration
.RemoveClassMapping(typeof(Customer))
.AddXmlString(newMappingForCustomer)
.BuildSessionFactory();
但是，我没有看到任何明显的方法来删除映射，除了重新生成整个配置之外，我还能做些什么吗？
Let's get this out of the way first: I know that SessionFactory is immutable - I'm trying to change the Configuration at runtime and regenerate ISessionFactory.
Specifically, I have a Customer mapped that will have some fields added to its dynamic-component node at runtime. I would like to do something like this
var newSessionFactory = previousConfiguration
.RemoveClassMapping(typeof(Customer))
.AddXmlString(newMappingForCustomer)
.BuildSessionFactory();
However, I don't see any obvious way to remove a mapping, is there anything I can do short of regenerating the entire Configuration?
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评论（1）
这是不可能的。您必须重新生成
配置。我最初的建议是为您的模型选择不同的策略。
但是，如果您决定这样做:-)，您可以：
Configuration（不包括Customer）MemoryStreamCustomer映射（如果需要）SessionFactoryCustomer所需的任何信息ConfigurationCustomer映射并创建最终的It's not possible. You'll have to regenerate the
Configuration.My initial suggestion would be that you choose a different strategy for your model.
However, if you are determined to go with this :-), you can:
Configuration(that does not includeCustomer)MemoryStreamCustomermapping, if neededSessionFactoryCustomerConfigurationCustomermapping and create your finalSessionFactory