Suggesting another little improvement for KJob class

[Rafael Fernández López]

Hi all,

I came out with a problem with kuiserver. We have capabilities, and think
about the capability "Pausable". When we receive a signal of which action
was triggered, we will get KJob::Pausable as actionId. When you click on the
"Pause" button, it should go to "Resume", and then, the problem comes, how
to do in an elegant way to retrieve a different KJob::Pausable than
before... I mean, it is not cute at all having KJob::Pausable,
KJob::Resumeable (i don't even know if it is said this way). If a job can be
paused, then it can be resumed.

So I came up with an idea, and I don't really know if is the best, but it
can give us a more interesting approach to jobs in general. I suggest having
new methods in KJob class:

void setState(State state);
State state() const;

Where State could be an enum, for example with some of this: "InProgress,
Paused, Cancelled, Failed". I don't know if more or them may be interesting.

What do you think ?


Bye and thanks,
Rafael Fernández López.
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