Hmm. I'm not really sure about all the details here but I will try to
make an prototype and return if I can't solve it all :).

On 27 Okt, 05:32, Fabio Maulo <[email protected]> wrote:
> If you want an example you can use 
> thishttp://code.google.com/p/unhaddins/source/browse/trunk/uNhAddIns/uNhA...
>
> <http://code.google.com/p/unhaddins/source/browse/trunk/uNhAddIns/uNhA...>That
> is part of the TolerantQueryCache but the configuration can be used to
> specify the IQueryCache per region and/or modify the name of the region.
> As you can see is a matter of few lines (at least for query-cache).
>
> 2009/10/27 Fabio Maulo <[email protected]>
>
>
>
> > It is easy using a cache.query_cache_factory adding a tenant-prefix to
> > each region.
>
> > 2009/10/26 Tuna Toksoz <[email protected]>
>
> > You can also depend your cache providers on the user specific stuff.
> >> That some class should already be available in yourt code to put the
> >> username into session or something, i don't think this is a problem, is it?
>
> >> Tuna Toksöz
> >> Eternal sunshine of the open source mind.
>
> >>http://devlicio.us/blogs/tuna_toksoz
> >>http://tunatoksoz.com
> >>http://twitter.com/tehlike
>
> >> On Tue, Oct 27, 2009 at 12:15 AM, Niclas Pehrsson 
> >> <[email protected]>wrote:
>
> >>> It could be if DynamicConnectionProvider would use the WebSession
> >>> variable to point out the databasename.
> >>> Then DynamicConnectionProvider could use the WebSession to build the
> >>> session with the right databaseconnectionstring.
> >>> It will be kind of akward way to do it. Some class needs to be
> >>> responsible to put the right databasename in a websession with the
> >>> right key so the DynamicConnectionProvider can read it this isn't
> >>> obvious, but maybe the only way to do it.
>
> >>> Im thinking about using OpenSession(IDbConnection dbConnection), more
> >>> visible.
>
> >>> But I have something in my back head telling me that hasn't
> >>> SessionFactory something to do with second level cache or something
> >>> else that would make this a bad solution?
>
> >>> On Oct 26, 10:53 pm, Tuna Toksoz <[email protected]> wrote:
> >>> > Does that solve your problem?
>
> >>> > Tuna Toksöz
> >>> > Eternal sunshine of the open source mind.
>
> >>>http://devlicio.us/blogs/tuna_toksozhttp://tunatoksoz.comhttp://twitt...
>
> >>> > On Mon, Oct 26, 2009 at 11:51 PM, Tuna Toksoz <[email protected]>
> >>> wrote:
> >>> > > oh yeah
>
> >>>http://nhforge.org/wikis/howtonh/dynamically-change-user-info-in-conn...
>
> >>> > > Tuna Toksöz
> >>> > > Eternal sunshine of the open source mind.
>
> >>> > >http://devlicio.us/blogs/tuna_toksoz
> >>> > >http://tunatoksoz.com
> >>> > >http://twitter.com/tehlike
>
> >>> > > On Mon, Oct 26, 2009 at 11:49 PM, Tuna Toksoz <[email protected]>
> >>> wrote:
>
> >>> > >> I think He does but i couldn't remember the keywords.
>
> >>> > >> Tuna Toksöz
> >>> > >> Eternal sunshine of the open source mind.
>
> >>> > >>http://devlicio.us/blogs/tuna_toksoz
> >>> > >>http://tunatoksoz.com
> >>> > >>http://twitter.com/tehlike
>
> >>> > >> On Mon, Oct 26, 2009 at 11:49 PM, Niclas Pehrsson <
> >>> [email protected]>wrote:
>
> >>> > >>> It would be really nice if someone has a link to Fabio's solution,
> >>> or
> >>> > >>> maybe he has it on his blog?
>
> >>> > >>> On Oct 26, 10:40 pm, Tuna Toksoz <[email protected]> wrote:
> >>> > >>> > Fabio has a better solution. I think it was
> >>> implementing/extending
>
> >>> > >>> > NHibernate.Connection.DriverConnectionProvider
>
> >>> > >>> > thing.
>
> >>> > >>> > Tuna Toksöz
> >>> > >>> > Eternal sunshine of the open source mind.
>
> >>>http://devlicio.us/blogs/tuna_toksozhttp://tunatoksoz.comhttp://twitt...
>
> >>> > >>> > On Mon, Oct 26, 2009 at 11:32 PM, Jason Dentler <
> >>> > >>> [email protected]>wrote:
>
> >>> > >>> > > Niclas,
>
> >>> > >>> > > ISessionFactory.OpenSession accepts an IDbConnection. Using
> >>> your
> >>> > >>> favorite
> >>> > >>> > > IoC framework, create a unit-of-work scoped connection to the
> >>> > >>> specific
> >>> > >>> > > customer's DB and pass it in to a single application-scoped
> >>> session
> >>> > >>> > > factory.  I doubt this was the intended purpose, but it may
> >>> work
> >>> > >>> anyway. I
> >>> > >>> > > would start there.
>
> >>> > >>> > > Thanks,
> >>> > >>> > > Jason
>
> >>> > >>> > > On Mon, Oct 26, 2009 at 4:12 PM, Niclas Pehrsson <
> >>> [email protected]
> >>> > >>> >wrote:
>
> >>> > >>> > >> Hi I'm doing some research when using NHibernate with Multi
> >>> tenancy,
> >>> > >>> I
> >>> > >>> > >> have choosen to start with multi databases to solve the
> >>> tenancy
> >>> > >>> > >> problem. One database per customer. We hope that our product
> >>> will
> >>> > >>> have
> >>> > >>> > >> several thousands customers, this will mean several databases.
>
> >>> > >>> > >> Now say that we will host this product and let the login of
> >>> the
> >>> > >>> > >> customer decide which database to use for the user, then we
> >>> need to
> >>> > >>> > >> have thousands of SessionFactories in the server memory cause
> >>> we
> >>> > >>> don't
> >>> > >>> > >> wanna build it each time a user requests for it.
> >>> > >>> > >> This will take a lot of memory, and some performance for the
> >>> > >>> > >> sessionfactory lookup, that has been a common solution to
> >>> solve this
> >>> > >>> > >> problem by the research I have seen so far.
>
> >>> > >>> > >> So is thousands of loaded sessionfactories a problem? or will
> >>> it be
> >>> > >>> > >> fine?
>
> >>> > >>> > >> Can a custom like implementation of a garbage collection be
> >>> used
> >>> > >>> that
> >>> > >>> > >> throws out sessionfactories that hasn't been used for a time
> >>> solve
> >>> > >>> > >> this problem?
>
> > --
> > Fabio Maulo
>
> --
> Fabio Maulo
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