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Rollback to a previous state of the model [message #1791747]

Wed, 04 July 2018 12:46

Eclipse User

Hello,

I'm trying to apply some modifications to the model programmatically. However, during the modification phase, it is possible to throw exceptions. I was wondering if there is any "neat" way to take a snapshot of the model at some point and then rollback to the last snapshot in case of the exception. Note that my model is an xText resource.

Any help would be appreciated.

Thanks,
Parsa

Re: Rollback to a previous state of the model [message #1791780 is a reply to message #1791747]

Thu, 05 July 2018 04:27

Eclipse User

Hello,

If your modifications are done using RecordingCommands, if a modification throws exceptions it will be rollbacked to the previous state. Otherwise, I guess you can add a CommandStackListener to the commandStack (session.getTransactionalEditingDomain().getCommandStack()) and have it behaving as a flag where you can undo all following events.

Regards,
Steve

Re: Rollback to a previous state of the model [message #1791815 is a reply to message #1791780]

Thu, 05 July 2018 10:19

Eclipse User

Thanks a lot Steve :)

Bests,
Parsa

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