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Preserve attribute order in XSD to Ecore import [message #637803]

Mon, 08 November 2010 17:55

Jason Barkanic
Messages: 16
Registered: November 2009

Junior Member

I'm creating an Ecore model from an XSD. Apparently the import process sorts a type's attributes alphabetically. Is there any way to turn this off, so that the resulting Ecore retains the order as written in the XSD?

I noticed that attributes defined in attribute groups do not get sorted, so I imagine I could create an attribute group for each of my types as a work around. (Or manually go through the Ecore and re-order things.) I have a lot of types though, so if there is an easier solution...

-Jason

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Re: Preserve attribute order in XSD to Ecore import [message #638253 is a reply to message #637803]

Wed, 10 November 2010 09:28

Ed Merks
Messages: 24695
Registered: July 2009

Senior Member

Jason,

The underlying XSDEcoreBuilder is capable of preserving that order, but
it doesn't do so by default and there's no way via the UI to control
it. We'd need to add a checkbox to the UI for that. You could open a
bugzilla enhancement request.

jbarkanic wrote:
> I'm creating an Ecore model from an XSD. Apparently the import
> process sorts a type's attributes alphabetically. Is there any way to
> turn this off, so that the resulting Ecore retains the order as
> written in the XSD?
>
> I noticed that attributes defined in attribute groups do not get
> sorted, so I imagine I could create an attribute group for each of my
> types as a work around. (Or manually go through the Ecore and re-order
> things.) I have a lot of types though, so if there is an easier
> solution...
>
>
> -Jason

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Re: Preserve attribute order in XSD to Ecore import [message #638517 is a reply to message #638253]

Thu, 11 November 2010 09:56

Jason Barkanic
Messages: 16
Registered: November 2009

Junior Member

Ok, thanks Ed.

When you say the XSDEcoreBuilder is capable, does that mean there's currently an exposed option in the class (which I could invoke from code manually), or does the class need to be modified as well? If so, what is that option?

https://bugs.eclipse.org/bugs/show_bug.cgi?id=330003

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Re: Preserve attribute order in XSD to Ecore import [message #638609 is a reply to message #638517]

Thu, 11 November 2010 13:28

Ed Merks
Messages: 24695
Registered: July 2009

Senior Member

There's this method

protected boolean useSortedAttributes()
{
return true;
}

which would need to be overridden to return false to produce the result
you want.

jbarkanic wrote:
> Ok, thanks Ed.
> When you say the XSDEcoreBuilder is capable, does that mean there's
> currently an exposed option in the class (which I could invoke from
> code manually), or does the class need to be modified as well? If so,
> what is that option?
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=330003

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