Re: [mylyn-dev] Mylyn never lets the JobManager be idle?

[Robert Elves <rob.elves@xxxxxxxxxxx>]

Stefanos,

You raise a good point here and in order to play nice we should perhaps 
be rescheduling these jobs.  Could you create a new bug report outlining 
your understanding of the problem and we can investigate there.

Thanks,

-Rob

Stefanos.Zachariadis@xxxxxxx wrote:
> Hi all,
>
> To begin with, thanks for mylyn - it's a very neat idea and works
> nicely.
>
> I'm trying to integrate it with my eclipse application and it works
> nicely; However, I've got two questions I'd like to ask; since the
> second one is completely separate to this one, I'll ask it in a
> following email.
>
> It seems to me, that mylyn never lets the job manager be idle. I know
> this, because when running PDE unit tests, I use this method on my
> setUp() to make sure that eclipse is ready to be used:
>
>   public static void waitForJobs() throws Exception {
>     while (!Job.getJobManager().isIdle()) {      
>       delay(1000);
>     }
>   }
>
> (delay waits for x ms, while letting the ui process events). This was
> worked quite well in a number of eclipse projects I've worked on, with
> multiple plugins.
>
> When running mylyn, the jobmanager is never idle. Running this through a
> debugger, it looks like the Flush Cache Job and the Task List Saver
> always run. Indeed, looking at CacheFlushJob, which is nested inside
> org.eclipse.mylyn.internal.tasks.ui.OfflineCachingStorage, it seems to
> be in a while(true) loop. The exact same is true for TaskListSaverJob,
> which is inside
> org.eclipse.mylyn.internal.tasks.ui.util.TaskListSaveManager
>
> Is this the intended behaviour? Is my waitForJobs() code a bad way to
> make sure everything's ready before running the tests? Wouldn't it be a
> better solution for the two jobs to schedule themselves to run again
> later?
>
> Thanks,
>
> Stefanos
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Mylyn Committer, http://eclipse.org/mylyn