| Need help to get started with p2 [message #629608] |
Tue, 28 September 2010 21:34  |
 Karl Weber
Messages: 63
Registered: September 2010 |
Member |
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Hi,
with all I read about p2, I think I have an idea of what this is all about.
However, I am missing a tutorial and at least one example about how to do things.
What I have in mind, and what should be possible with p2, is the following:
I am building an RCP application with an embedded sql database. The application will ship with an initial db-schema and some master data.
However, updates of the application might require (compatible) enhancements of the db-schema and modifications of the master data.
My idea is to describe these changes through one or more sql-scripts and to ship the application with an engine to execute such scripts.
Coming to p2: For all I understand, my application would need to provide a touchpoint that p2 can call such that the engine will execute the sql-script(s).
(1) Am I correct, i.e. can one in principle implement/provide such a touchpoint?
(2) If so, I would definitely need help about how to do it -- i.e. a tutorial, examples etc.
Any help is very wellcome.
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| Re: Need help to get started with p2 [message #629617 is a reply to message #629608] |
Tue, 28 September 2010 23:11  |
Henrik Lindberg
Messages: 2509
Registered: July 2009 |
Senior Member |
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On 9/28/10 11:34 PM, karl.weber99@googlemail.com wrote:
> I am building an RCP application with an embedded sql database. The
> application will ship with an initial db-schema and some master data.
>
> However, updates of the application might require (compatible)
> enhancements of the db-schema and modifications of the master data.
>
> My idea is to describe these changes through one or more sql-scripts and
> to ship the application with an engine to execute such scripts.
> Coming to p2: For all I understand, my application would need to provide
> a touchpoint that p2 can call such that the engine will execute the
> sql-script(s).
>
> (1) Am I correct, i.e. can one in principle implement/provide such a
> touchpoint?
>
Yes.
> (2) If so, I would definitely need help about how to do it -- i.e. a
> tutorial, examples etc.
>
Look at the existing p2 native touchpoint, and the associated actions
(the native actions themselves are quite simple, but shows the sort of
things you need to think about - install/uninstall, rollback etc.).
A description can be found on the wiki -
http://wiki.eclipse.org/Equinox/p2/Engine/Touchpoint_Instruc tions
> Any help is very wellcome.
I also have interest in being able to run SQL scripts as part of a p2
installation - email me if you are interested in collaborating.
Regards
- henrik
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