> > On 07:32 Wed 18 Nov , Hartmut Kaiser wrote:
> > > Ok, makes (partial) sense. Even then you should have been able to base
> > your
> > > initialization code on the existing mechanisms without rolling your
> own
> > > factory object etc.
> >
> > I'd sure like to avoid this, but AFAIK HPX' way of registering actions
> > and components relies on Macros, which I can't instantiate from a
> > class template. Or maybe I'm missing something. In a Nutshell, my code
> > looks like the fragment below. I'd love to have some kind of
> > template-enabled registration macros like we have for the
> > serialization code. If I'm not mistaken then all current component
> > registration macros expect concrete types.
> >
> > // Library Code
> > namespace LibGeoDecomp {
> > template<typename CARGO>
> > class HPXReceiver : public
> > hpx::components::simple_component_base<HPXReceiver<CARGO> >
> > {
> > void receive(std::size_t step, Cargo&& val)
> > { ... }
> > HPX_DEFINE_COMPONENT_ACTION(HPXReceiver, receive, receiveAction);
> > };
> >
> > template<typename CARGO>
> > void foo()
> > {
> > HPXReceiver<CARGO> receiver;
> > ...
> > }
> > }
> >
> > // User Code
> > class Cell;
> > LibGeoDecomp::foo<Cell>();
>
> Now you have confused me completely. I don't see any of this in the code
> you originally sent...
>
> Moreover, you shouldn't just instantiate an HPX component like this and
> expect it to be properly initialized... You will have to at least call
>
> receiver.get_base_gid();
>
> to make sure everything is set up properly.
I forgot to mention that the returned gid_type has to be used to maintain
the lifetime of the object. Assign it to a managed id_type which will take
of the rest.
But all of this should be really left to HPX and shouldn't be duplicated
outside of it. So please try to explain again what you're trying to achieve,
we'll make it happen.
Regards Hartmut
---------------
http://boost-spirit.com
http://stellar.cct.lsu.edu
> Also, (simple)components are
> normally instantiated as:
>
> simple_component<HPXReceiver<CARGO>>()
>
> (see https://github.com/STEllAR-
> GROUP/hpx/blob/master/hpx/runtime/components/server/create_component.hpp#L
> 28 and https://github.com/STEllAR-
> GROUP/hpx/blob/master/hpx/runtime/components/server/simple_component_base.
> hpp#L302)
>
> HTH
> Regards Hartmut
> ---------------
> http://boost-spirit.com
> http://stellar.cct.lsu.edu
>
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