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[Temporality][CDO] Delegating EStore [message #612953]

Fri, 21 December 2007 14:18

Jean-Claude Cote

Messages: 56
Registered: July 2009

Member

Hi,

In my Temporality design I use a time aware EStore named TemporalEStoreImpl.
Temporality needs to hook into EMF in this fashion because it gives full
control over all data access and storing done to EMF objects.

Eike, I know CDO also uses the EStore approach in its design.

Maybe other projects also rely on a EStore hook to implement their feature.
Are there any other features relying on an EStore hook?

Currently an EObject uses one EStore. Thus Temporality and CDO could not
work together. In fact any feature that is based on an EStore hook cannot be
used with another feature that relies on an EStore hook.

I would like to propose is a mechanism for chaining EStore implementations
so that an EObject could hold on to a chain of EStores. Please refer to this
document for more details.

http://wiki.eclipse.org/images/a/ad/Delegatingestore.pdf

Thoughts?
Thanks
Jean-Claude

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