Review Request 115943: Fixes duplication of groups when renaming it.

David Edmundson david at davidedmundson.co.uk
Mon Feb 24 11:29:03 UTC 2014



> On Feb. 22, 2014, 9:21 p.m., David Edmundson wrote:
> > I'm not sure this will definitely fix the bug.
> > 
> > We've reordered it from
> > 
> > Add
> > Remove
> > Add
> > Remove
> > ...
> > 
> > To 
> > 
> > Add
> > Add
> > Remove
> > Remove
> > ...
> > 
> > Which is undoubtedly better, but if it was a race condition, we'll still have a race condition; albeit one that is now marginally less likely to happen. For the case of one contact, the code path is identical.
> > 
> > Should we wait for add to complete before calling remove?
> >
> 
> mayank jha wrote:
>     Can we add a delay in between the Add and Remove, making it even slower? That will most certainly remove the bug.
> 
> mayank jha wrote:
>     I guess waiting for adding to complete would be as costly as adding a delay in between add and remove, is it not ?

How long will you make the delay. We can't know.
Also I don't fully understand what makes the current code broken. DBus calls are always processed in order, so why would this result in the group still existing in the contact list? Do you know?

What I meant by wait for it finish is to it asynchronously. i.e connect to the finished signal of the PendingOperation and do the removing there.
This means we are not blocking our application whilst we wait for the backend to move contacts.


- David


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On Feb. 21, 2014, 8:24 p.m., mayank jha wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/115943/
> -----------------------------------------------------------
> 
> (Updated Feb. 21, 2014, 8:24 p.m.)
> 
> 
> Review request for Telepathy.
> 
> 
> Bugs: 329904
>     http://bugs.kde.org/show_bug.cgi?id=329904
> 
> 
> Repository: ktp-contact-list
> 
> 
> Description
> -------
> 
> This patch fixes, the group duplication upon renaming the group. This is probably due to the scheduling of the operations of adding and removing contacts from groups, so I separated the two, and it works fine!
> 
> 
> Diffs
> -----
> 
>   context-menu.cpp 00795d7 
> 
> Diff: https://git.reviewboard.kde.org/r/115943/diff/
> 
> 
> Testing
> -------
> 
> Testing Done, it works fine!
> 
> 
> Thanks,
> 
> mayank jha
> 
>

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