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Re: [cdt-dev] Reading prefs in plugin startup?
- From: Marc Khouzam <marc.khouzam@xxxxxxxxxxxx>
- Date: Wed, 8 Jun 2011 16:12:19 -0400
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- Thread-topic: Reading prefs in plugin startup?
> Your preferences should be in the dsf.gdb plug-in if it's
> using them. We ran into that with Codan recently.
Thanks, I've written a patch for that and it works very nicely.
What do I do about backwards-compatibility of preferences though?
By moving the prefs from dsf.gdb.ui to dsf.gdb, it means that any
existing preference in dsf.gdb.ui in a workspace or imported
from a preference file will be ignored after an upgrade.
Does that require a major increment or can I put it in the SR1?
> > -----Original Message-----
> > From: cdt-dev-bounces@xxxxxxxxxxx
> > On Behalf Of Marc Khouzam
> > Sent: Tuesday, June 07, 2011 2:55 PM
> > To: 'CDT General developers list.'
> > Subject: [cdt-dev] Reading prefs in plugin startup?
> > Hi,
> > a question for the more experienced CDT folks.
> > I currently read a preference in the start() method of a plugin.
> > I'm not sure I'm allowed to do this, as it is causing an
> initialization problem.
> > Here is the scenario
> > 1- The dsf.gdb plugin calls pref.getBoolean("dsf.gdb.ui",
> > 2- The dsf.gdb.UI plugin has to be started to get that
> preference, and will
> > need to call the preferenceInitializer
> > 3- But dsf.gdb.ui.start() actually calls
> > tracingPref) At this time, the prefInitializer has not been
> called yet, I assume
> > because it is waiting for the plugin startup to be
> finished, so I get the wrong
> > preference value (it does not try to call the
> prefInitializer itself).
> > I thought about putting the call to the preference store
> into a job so it will
> > allow the plugin to finish its startup. However I think
> that can lead to a race
> > condition because that new job is on another thread and
> could still be run
> > before the prefInitializer is run (the start() of a plugin
> is not on the UI
> > thread).
> > Am I not supposed to read preferences in the plugin.start() method?
> > Thanks
> > Marc
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