RE: [tigerstripe-dev] Annotations question.

["John Worrell (jworrell)" <jworrell@xxxxxxxxx>]

That is very interesting... It means that in principle we could
circulate a model with annotations without having to circulate the jars
that define the annotations and with a slight tweak render them
read-only.

Thanks,

JohnW

-----Original Message-----
From: tigerstripe-dev-bounces@xxxxxxxxxxx
[mailto:tigerstripe-dev-bounces@xxxxxxxxxxx] On Behalf Of Yuri Strot
Sent: 17 October 2008 06:07
To: Tigerstripe developers list
Subject: RE: [tigerstripe-dev] Annotations question.


Hi Richard, John,

This behavior is a framework feature which was implemented to make TAF
more stable. Annotation Framework store package definitions of the
annotation content in the all annotation files. This make possible to
load and edit annotations even they are defined in the plugins which was
removed.

As Eric mentioned some times ago, different users can use different sets
of annotation types. But if there are no package definitions for
annotation content, annotation file will be unreadable for EMF and we
will lose all annotations there (even through some of the stored
annotations are valid).

Actually, there is not a problem to make such annotations read-only or
invisible for user who haven't annotation type definitions. But in this
case we can face the another challenge - if somebody remove unnecessary
plugin with some annotation types, all annotations of these types will
be lost while they are still storing in the workspace. And I think it's
not so dangerous to make possible edit this annotations, because user
can edit annotation file content anyway.

--
Best regards,
Yuri Strot

----- John Worrell (jworrell) <jworrell@xxxxxxxxx> wrote:
> I tried another experiment with the same results... take a clean 
> install and delete the 3 annotation jars... and it still works
>  
> Cheers,
>  
> JohnW
> 
> ________________________________
> 
> From: tigerstripe-dev-bounces@xxxxxxxxxxx
> [mailto:tigerstripe-dev-bounces@xxxxxxxxxxx] On Behalf Of Richard 
> Craddock (rcraddoc)
> Sent: 16 October 2008 17:52
> To: Tigerstripe developers list
> Subject: [tigerstripe-dev] Annotations question.
> 
> 
>  
> 1. My configuration contained John's IRD Annotation definitions
plugin.
> 2. I created some artifacts and annotated them with John's
annotations.
> 3. I then removed the Annotations definition plugin from my 
> configuration, stopped and started eclipse.
>  
> Now - in my project, I can still see the annotations in the 
> Annotations Property Viewer. I can also edit them. I cannot add any
new ones.
>  
> I did not expect to see these and  I definitely did not expect that I 
> would not be able to edit them.
>  
> Is this a bug, or something expected? I think it's pretty 
> counterintuitive, and possible "dangerous" in some situations (eg 
> someone who does not "own" a certain class of annotations should not 
> be able to change someone else's settings).
>  
> RC
>  
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