Re: Different Database Connection per session for the same model
Re: Different Database Connection per session for the same model
- Subject: Re: Different Database Connection per session for the same model
- From: Chuck Hill <email@hidden>
- Date: Mon, 18 Jun 2012 11:13:50 -0700
I have never done this, but I think it can be done. You will need to create new EOModelGroups, load/copy the models from the default group, set the connection information, and create a new EOObjectStoreCoordinator from that new model group. You need to be very careful in your code (and in any Wonder code that you call) to NOT call default* methods as most use the OSC for the default model group. Not what you want. Then in each session/page, create an editing context in the desired OSC. Again, avoid use of the defaultEditingContext to avoid confusion.
Chuck
On 2012-06-18, at 9:32 AM, Paul Dunkler wrote:
> Hi List,
>
> is there any way to have different database connections per session? I need this in an application for giving the user the ability to change between several different copies of the database to work on.
>
> I always tried to copy EOModels and so on, read some mails from the list but not really found an answer for that problem. I know that what i trying to do will cause a bit memory overhead but i do not want to provide ~25 applications just because they need different database connections.
>
> Would be nice to get some suggestions...
>
> --
> With best regards
> Paul Dunkler
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/gvc/practical_webobjects
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