[Kde-pim] PIM Sprint report: Akonadi Next

[Aaron J. Seigo]

On Monday, December 1, 2014 10.34:33 Milian Wolff wrote:
> Could this be added to KJobs instead of reinventing the wheel completely? Or

the API of KJob is a bit different from what is needed here, though KJobs may 
be able to be used in the implementations. that said, a lot of what KJob does, 
particularly the things like optionally updating a global job tracker GUI and 
suspension, is not directly relevant to the majority of use cases in kdepim. 
so ... kind of an awkward fit imo. KJob exists, +1; it is well known, +1; it 
doesn't really map to the use case here ...

i'm reminded of kdepim's usage of kio everywhere once upon a time. it was 
there, it was well known, it basically worked, but didn't really map to the 
use case ...

what would really be useful in many cases is something not a job-oriented API 
but a process flow oriented one, like several of the common patterns 
implemented in this node library: 

	https://github.com/caolan/async

we have some of these in C++ / Qt, but the various composition patterns for 
sets of tasks with sinks and generic error handlers are generally missing in 
our toolbox.

these new classes could be folded into KCoreAddons at some point, though, if 
they are found to be valuable and useful enough. and yes, they may even use 
KJobs internally or within the API .. the topics are a bit orthogonal in that 
way.

for more context and some experiments Christian did earlier in the year, see:

https://cmollekopf.wordpress.com/2014/10/03/putting-the-code-where-it-belongs/

-- 
Aaron J. Seigo/opt/kde5/include/KF5/KCoreAddons/KJob
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