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[Edapt] Migrator / MigrationReconstructor for Models without XMI Serialization [message #1486656]

Tue, 25 November 2014 07:35

Timo Rohrberg

Messages: 69
Registered: September 2011
Location: Karlsruhe

Member

Hello everybody,

I have a simple Ecore meta-model and model instances saved to a relational database using Eclipse Teneo / Hibernate. Now, I would like to check if I can use Edapt to migrate from one meta-model version to another, including migration of my model instance data. I checked the tutorial of Edapt and also the source code in the GIT repository and am not sure if I can use Edapt out of the box. To me it seems that Edapt relies on model instances being persistet in either XMI files or a CDO repository. So I would have to write my own Migrator and/or MigrationReconstructor... Is that right or am I completely lost and there's another - much simpler - approach?

Thanks for any hints.

Cheers
Timo

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Re: [Edapt] Migrator / MigrationReconstructor for Models without XMI Serialization [message #1489416 is a reply to message #1486656]

Thu, 27 November 2014 10:49

Maximilian Koegel

Messages: 253
Registered: July 2009

Senior Member

Hi Timo,

your assumption is correct, a direct migration within the database is
not possible with Edapt. A common workaround is a database export to
XMI, a migration and a re-import to the database.

Cheers,
Maximilian

Am 25.11.2014 08:35, schrieb Timo Rohrberg:
> Hello everybody,
>
> I have a simple Ecore meta-model and model instances saved to a
> relational database using Eclipse Teneo / Hibernate. Now, I would like
> to check if I can use Edapt to migrate from one meta-model version to
> another, including migration of my model instance data. I checked the
> tutorial of Edapt and also the source code in the GIT repository and am
> not sure if I can use Edapt out of the box. To me it seems that Edapt
> relies on model instances being persistet in either XMI files or a CDO
> repository. So I would have to write my own Migrator and/or
> MigrationReconstructor... Is that right or am I completely lost and
> there's another - much simpler - approach?
>
> Thanks for any hints.
>
> Cheers
> Timo

--
Maximilian Kögel

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