| Model change validation [message #1695779] |
Tue, 19 May 2015 05:00  |
Eclipse User |
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I am using Sirius with an Xtext DSL. In the event of changes to the semantic model, I need to be able to manually validate the change and, if necessary add my own subsequent changes to the model.
E.g. if the datatype of an attribute in my class diagram is set or changed (see attached picture), I need to make sure the containing package is aware of the datatype or, if not, manually imports it.
How can I access these changes programmatically and perform my validations/additions?
regards,
Bernhard
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| Re: Model change validation [message #1696451 is a reply to message #1695779] |
Tue, 26 May 2015 10:20  |
| Eclipse User |
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Hi Bernhard,
If you want to react to model changes to do other model changes, you can
use a precommit listener [1] and if the changes doesn't comply to your
validation rules you can throw a RollbackException to have changes undone.
[1]
http://download.eclipse.org/modeling/emf/transaction/javadoc/1.1.3/org/eclipse/emf/transaction/ResourceSetListener.html
[2]
http://www-01.ibm.com/support/knowledgecenter/SSCLKU_7.5.5/com.ibm.xtools.modeler.doc.isv/prog-guide/listening.html
Le 19/05/2015 15:08, Bernhard Edler a écrit :
> I am using Sirius with an Xtext DSL. In the event of changes to the semantic model, I need to be able to manually validate the change and, if necessary add my own subsequent changes to the model.
>
> E.g. if the datatype of an attribute in my class diagram is set or changed (see attached picture), I need to make sure the containing package is aware of the datatype or, if not, manually imports it.
>
> How can I access these changes programmatically and perform my validations/additions?
>
>
> regards,
>
> Bernhard
>
--
Esteban Dugueperoux - Obeo
Need professional services for Sirius?
http://www.obeodesigner.com/sirius
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