Hi, I have opened the issue #19153 <https://pharo.fogbugz.com/f/cases/19153/Change-of-class-structure-with-Relat...>. Thanks, Jan
On 28 Sep 2016, at 16:10, Denis Kudriashov <dionisiydk@gmail.com> wrote:
Hi.
It looks like bug. Could you open issue?
2016-09-28 15:36 GMT+02:00 Jan Cada <jan@cada.cz <mailto:jan@cada.cz>>: Hi,
I started to play with slots and I am observing odd behaviour after the class structure gets changed.
I am having classes:
Object subclass: #CTA slots: { #x. #b => ToManyRelationSlot inverse: #a inClass: #CTB } classVariables: { } category: âClassTest'
and
Object subclass: #CTB slots: { #x. #a => ToOneRelationSlot inverse: #b inClass: #CTA } classVariables: { } category: âClassTest'
then I create instance of CTA and CTB pointing to CTA:
a1 := CTA new x: 1; yourself. b1 := CTB new x: 1; a: a1; yourself.
the a1 is updated as expected with b having RelationSet with my CTB instance.
The problem is when I decided to update the class CTA - changing position of slot #b => ToManyRelationSlot inverse: #a inClass: #CTB. In the case I drop all the instances of CTA and CTB and recreate new by code above, the inverse update always addresses slot on same position as before and not the one with right name.
For example when I change it like :
Object subclass: #CTA slots: { #x. #children => ToManyRelationSlot inverse: #parent inClass: #CTA. #b => ToManyRelationSlot inverse: #a inClass: #CTB. #parent => ToOneRelationSlot inverse: #children inClass: #CTA } classVariables: { } category: âClassTest'
the result of the code
a1 := CTA new x: 1; yourself. b1 := CTB new x: 1; a: a1; yourself.
is that slot children gets updated having RelationSet with my CTB instance instead of slot b which has empty RelationSet.
The question is: Am I doing something wrong ? Is there any way how to tell class to reinit slots as its order has changed ?
Thanks,
Jan