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| Re: How to get modified model objects [message #418268 is a reply to message #418261] |
Wed, 09 April 2008 11:38  |
 Ed Merks
Messages: 33140
Registered: July 2009 |
Senior Member |
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Gemma,
Comments below.
Gemma wrote:
> Hi,
> I've implemented my own EMF resource which retrieves data from a
> database. In the save method, I'd like to get hold of the modified EMF
> model objects and then update the equivalent objects in the database.
> I've considered using a ChangeRecorder but this might be overkill for
> what I need. Also, I know there's a Resource.getContents(), but this
> returns all of the model objects, not just the changed ones.
> Does anyone have any ideas?
Automatically attaching a change recorder will certainly provide the
information you need in terms of what's change and hence will allow you
to produce a minimal set up updates to the data base. I can't think of
a better way. I imagine Teneo is using Hibernate/JPox/EclipseLink to do
something similar (but at the object level without EMF's help) under the
covers.
> Thanks,
> Gemma
> -
Ed Merks
Professional Support: https://www.macromodeling.com/
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