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Edapt migration for proxy ID changes between variables on element [message #1829164]

Fri, 26 June 2020 04:08

Eclipse User

I have been using EDAPT and EMF for a while, I am trying to find out below operation can be done by EDAPT, I searched the documentation didnt find answer. Please help me out.

In my ecore model, I have changed the ID field (Proxy) from one variable to another variable of that class. This class has been referenced by multiple elements . How to make this migration ?

Do I need to create CUSTOM migration and collected referenced element and make modification manually ?

(E,g)
Before changes

obj 1 :  < ElementA  var1="asdf" var2="defg" />
obj2 :  < ElementB  refEleA = "asdf" />

After changes <Expected>
Since, I changed the proxy from var1 to var2, below are expected..

obj 1 :  < ElementA  var1="asdf" var2="defg" />
obj2 :  < ElementB  refEleA = "defg" />

This needs to be done only via CUSTOM migration ? How ?

Re: Edapt migration for proxy ID changes between variables on element [message #1829241 is a reply to message #1829164]

Mon, 29 June 2020 09:23

Eclipse User

Hi,
I think that this does not require an operation/custom migration. Simply make the changes to the ecore and make sure that the changes are recorded in the history file and make a Release.
Then you can use migrator.migrateAndLoad to load the model. In order to save references using the new id-attributes, it is best to create a fresh ResourceSet/Resource and then move the model from the migrateAndLoad-ResourceSet to the new Resource and save it.
If this does not work for you, could you please provide an example project?
Cheers
Johannes

[Updated on: Wed, 01 July 2020 09:28] by Moderator

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