C , 2011-10-13 23:13 +0300, My Th rakstīja:
> C , 2011-10-13 13:53 -0400, David Lonie rakstīja:
> > There does seem to be a new problem that took its place. In the
> > attached script, I've added line 36, which will print the name of the
> > forcefield that was found. When I run the test script now, I get:
> >
> > Forcefield is of type: UFF
> > Forcefield is of type: GAFF
> >
> > despite using FindForceField("UFF") in each case. So something is
> > still not quite there. Any ideas?
>
> Yes, I misunderstood the function of Default() a bit. Turns out that it
> is a pointer to an instance of default sub-type for a plugin type (not
> to the default instance of a sub-type).
>
> As I understand, plugins do not keep track of their instances. So when
> you create new one with MakeNewInstance() the reference to old one is
> lost (Doesn't it lead to memory leaks?).
>
> So if we add a static member variable to the OBForceFieldUFF class which
> keeps pointers to the live instances, then we can use that in destructor
> to reset plugin map pointers to the original instance. Something like in
> the attached patch for OBForceFieldUFF.
>
> I'm not sure if this is the best solution, but it seems like something
> that is working. Hope it helps.
Other solution would be to change the constructor so that pointers in
plugin map are not overwritten if the instance with the same ID already
exists.
That basically leaves open the same question I made yesterday - what to
do when the last instance of the plugin sub-type is destroyed?
Reinis
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