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Genmodel Changes and XMI Resource [message #658505]

Tue, 08 March 2011 18:57

Sumit Mathur

Messages: 3
Registered: March 2011

Junior Member

Hi,

We are using EMF in our project and facing some problems with genmodel changes and XMI Rresource.

e.g I have an EObject with attributes 'name' and 'description'. I create the object and save it as xmi resource.

Now if for some reason i have to change the model and remove attribute 'name', xmi resource is no longer usable as it does not comply with latest model definition.

What can be done in these cases?

Any suggestion?

[Updated on: Tue, 08 March 2011 19:04]

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Re: Genmodel Changes and XMI Resource [message #658536 is a reply to message #658505]

Tue, 08 March 2011 20:50

Ed Merks

Messages: 30916
Registered: July 2009

Senior Member

Sumit,

Comments belwo.

Sumit Mathur wrote:
> Hi,
>
> We are using EMF in our project and facing some problems with genmodel
> changes and XMI Rresource.
>
> e.g I have an EObject with attributes 'name' and 'description'. I
> create the object and save it as xmi resource.
>
> Now if for some reason i have to change the model and remove attribute
> 'name', xmi resource is no longer usable as it does not comply with
> latest model definition.
It will throw exceptions while loading, but the resource as a whole
still loads properly...
>
> What can be done in these cases?
/**
* This options allows you to record unknown features during
deserialization/loading.
* The default is <code>Boolean.FALSE</code> unless set to
<code>Boolean.TRUE</code> explicitly.
* The unknown features and their values can be accessed via
getEObjectToExtensionMap().
* @see #getEObjectToExtensionMap()
*/
String OPTION_RECORD_UNKNOWN_FEATURE = "RECORD_UNKNOWN_FEATURE";
>
> Any suggestion?
>
>
>

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Re: Genmodel Changes and XMI Resource [message #658856 is a reply to message #658536]

Thu, 10 March 2011 05:20

Sumit Mathur

Messages: 3
Registered: March 2011

Junior Member

Thanks, this helps.

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