[osg-submissions] DatabasePager : User can easy modify database threading behave....

[Adrian Egli OpenSceneGraph (3D)]

Hi Robert,

thanks for the short discussion. As i know from your hard working, there is
no time critical merge with this work around. But it's nice that you
understand, what  i would like to get, for more flexibility.

regards
adrian

2008/6/6 Robert Osfield <robert.osfield at gmail.com>:

> Hi Adrian,
>
> I plan to add methods to provide public controls of thread setup
> within DatabasePager, but not quite what you've implemented.  The
> problem with the enum approach you've taken is that one is limited the
> the number of combinations of threads you can set up.  While your
> changes do offer more control than no controls that we have present,
> I'm going to hold back from merging as I believe there is a more
> flexible API  is required.
>
> W.r.t the DatabaseThreadCallback, this seems a very problem specific
> solution.  Another route might be to subclass the DatabaseThread
> object yourself, this would allow you to store your own custom data as
> well as the entry/exit of the run method.  This would however, require
> one to register a create DatabaseThread callback... or a have
> setDatabaseThread interface.
>
> To refine what API would be required could you explain what you are
> trying to do that is different to what the standard DatabasePager
> requires?
>
> Robert.
>
> On Fri, Jun 6, 2008 at 2:24 PM, Adrian Egli OpenSceneGraph (3D)
> <3dhelp at gmail.com> wrote:
> > hi robert,
> >
> > i can not use the default database pager of openscenegraph for my
> > application, in need a method to configure the database pager. for one
> > application we need only request of http type or other only non http
> request
> > should be handled. and for the most. i don't know wether it make sense or
> > not, but the user can also more easy test the latest threading progresss
> you
> > implement in the database pager core. so we can configure with a static
> > template configure how the database pager should set up
> > the database paging threads.
> >
> > then a added a starting callback (database pager thread : first line
> entered
> > the run method, ... , and before finish / exit from run method a second
> > callback method.) i need this because i have to register and unregister
> all
> > running threads against
> > an application instance. is to hard to explaine why i have to use this,
> but
> > i need, this is more easy to solve such an problem. as we can not
> overload
> > the database threading object, this would be the easiest solution for
> such a
> > problem.
> >
> > regards adrian
> >
> >
> > --
> > ********************************************
> > Adrian Egli
> > _______________________________________________
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> >
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> >
> >
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-- 
********************************************
Adrian Egli
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