Comments on: ActiveRecord and NHibernate

By: Kyralessa

Kyralessa — Wed, 04 May 2011 17:23:56 +0000

Yex,

You can “escape” table names in Castle ActiveRecord by using brackets or backquotes. So if you have a table named Customer.Address, and you mapped it to an Address class, you’d put the ActiveRecord attribute on the class in one of these two ways:

[ActiveRecord("[Customer.Address]“)]

[ActiveRecord("`Customer.Address`")]

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By: Jack Altiere

Jack Altiere — Thu, 19 Mar 2009 14:14:31 +0000

I don’t think I did anything special to get the dot notation working for this.

By: Yex

Yex — Mon, 16 Mar 2009 19:18:26 +0000

Are you aware of anything special you did to get this to work against tables with dots in the names? I’ve created a database that I’m trying to use AR against, and I’m getting an “Invalid object name” error on my tables, specified with attributes the same way you’ve done here. I was able to correct the problem by renaming the table to use an underscore instead of a dot in the name, so it seems like AR (or maybe NHib) isn’t liking the dot in the name, though it appears that it doesn’t seem to have a problem for you here. Did you do something special to account for that?

By: Sheckyd

Sheckyd — Wed, 11 Mar 2009 19:11:23 +0000

Hi, thank you for publishing this article. I am still learning Castle ActiveRecord and this helps alot.

I have a few questions. You mentioned you don’t want to couple your UI and data layer together, so you create static method on your Contact class (ex: LoadContactById) that hides the HQL. But, where do you Initialize ActiveREcord? in your console app or somehow in the class library? I have the same scenario, a console app with a class library behind it. I am not sure how to initialize the ActiveRecord somewhere other than my console app.

Also, I want to be able to remove the reference to ActiveRecord.dll from my console app. But the minute I do so, the console app throws an error because my Contact object inherits from ActiveRecordBase. And if my console app doesn’t know about ActiveRecord, it give an error: “The type ‘Castle.ActiveRecord.ActiveRecordBase`1′ is defined in an assembly that is not referenced. You must add a reference to assembly ‘Castle.ActiveRecord, Version=1.0.3.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc’.

Anyway, I’m also reading your second article on making Persisten Ignorant Objects with AR (http://www.jaltiere.com/?p=52). In that article, where do you initialize ActiveRecord?

Thanks again, nice work!
-Sean

By: Ben van

Ben van — Tue, 03 Feb 2009 15:43:56 +0000

You, Sir, are a star. Thank you.