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Re: Recursive Objects [message #27085 is a reply to message #26976]

Wed, 10 October 2001 07:52

Karl Schultz
Messages: 341
Registered: October 1999

Senior Member

"Mark Hadfield" <m.hadfield@niwa.cri.nz> wrote in message
news:001501c150fd$d00b6440$d938a8c0@Hadfield...
> From: "Karl Schultz" <kschultz@researchsystems.com>
>>> pro my_obj__define
>>> struct = {my_obj, another_obj:OBJ_NEW()}
>>> end
>> ....
>> Also note that you do not need to explicitly destroy this instance of
>> "SomeOtherClass" in the my_obj::Cleanup method. Since the objref is in
> the
>> class struct, IDL will find and destroy it for you.
>
> Not in my experience!
>
> When IDL destroys a my_obj instance it will erase an object reference
stored
> in the my_obj class structure. It will *not* destroy the heap variable
that
> this reference refers to. So to avoid a memory leak you need
>
> pro my_obj::cleanup
> obj_destroy, self.another_obj
> ; Other cleanup tasks
> end

Oops, you are right. The object I was thinking about was a container object
(inherits from a container object) where the Init method added an object to
the container right after creating it. So, when the container gets
destroyed, the added object gets destroyed too. Sorry about that.

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[Message index]

		Re: Recursive Objects By: David Fanning on Tue, 09 October 2001 13:17
		Re: Recursive Objects By: David Fanning on Tue, 09 October 2001 13:15
		Re: Recursive Objects By: Mark Hadfield on Tue, 09 October 2001 13:06
		Re: Recursive Objects By: Martin Downing on Tue, 09 October 2001 08:51
		Re: Recursive Objects By: Karl Schultz on Tue, 09 October 2001 08:49
		Re: Recursive Objects By: Dick Jackson on Tue, 09 October 2001 08:32
		Re: Recursive Objects By: guenhwyvar on Wed, 10 October 2001 01:09
		Re: Recursive Objects By: Karl Schultz on Wed, 10 October 2001 07:52
		Re: Recursive Objects By: Pavel A. Romashkin on Tue, 09 October 2001 14:03

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