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Nhibernate : how to read data in readonly mode

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sspagna

Post subject: Nhibernate : how to read data in readonly mode

Posted: Thu May 29, 2008 4:18 am

Newbie

Joined: Thu May 29, 2008 4:11 am
Posts: 8

Hi all,
I read a post that explain how to set a persisten object as read only declaring a persistent object as immutable.

<class name="Foo" table="foo_table" mutable="false">

I want to know if it is possible to set read only mode at runtime, because I have to involve persistent object in two different context : one in readonly mode and one not.

Thank you for your help.
Simone

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philxan

Post subject: Re: Nhibernate : how to read data in readonly mode

Posted: Thu Jun 12, 2008 1:58 am

Newbie

Joined: Wed May 28, 2008 3:17 am
Posts: 10

sspagna wrote:

<class name="Foo" table="foo_table" mutable="false">
is [it] possible to set read only mode at runtime?

Hi Simone,

Although I haven't done this myself, I read the following on James Kovac's blog:

Quote:

The problem is that you can't insert data into the table since the type is mapped as immutable. However, you can read the NHibernate configuration and mapping files and modify the mapping at runtime. This is done using

Code:

cfg.GetClassMapping(typeof(Invoice)).IsMutable = true

We're switching our immutable entity to a mutable one on the fly!

See http://www.jameskovacs.com/blog/TestingImmutableEntitiesWithNHibernate.aspx for full details.

Phil

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