NHibernate的，审计和计算列的值 [英] NHibernate, auditing and computed column values

问题描述

如何可以设置一些特殊的列值时，通过NHibernate的更新/插入实体，并且不延长域类具有特殊性能？

How is possible to set some special column values when update/insert entities via NHibernate without extending domain classes with special properties?

例如。每个表中包含像CreatedBy，CreatedDate，UpdatedBy，UpdatedDate审计列。但我不希望这些poperties添加到域类。我想保持域modedl Percistence无知的因素尽可能地高。

E.g. every table contains audit columns like CreatedBy, CreatedDate, UpdatedBy, UpdatedDate. But I dont want to add these poperties to the domain classes. I want to keep domain modedl Percistence Ignorance factor as high as possible.

推荐答案

请注意搜索引擎过路人，与NH V2.0和更大的，这是现在很优雅与事件侦听器做到这一点：

Note for search engine wayfarers that, with NH v2.0 and greater, it is now quite elegant to do this with event listeners:

例：的

<一个href="http://ayende.com/Blog/archive/2009/04/29/nhibernate-i$p$pupdateeventlistener-amp-i$p$pinserteventlistener.aspx" rel="nofollow">http://ayende.com/Blog/archive/2009/04/29/nhibernate-i$p$pupdateeventlistener-amp-i$p$pinserteventlistener.aspx

手册：的

的http://knol.google.com/k/fabio-maulo/nhibernate-chapter-11-interceptors-and/1nr4enxv3dpeq/14

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