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| Re: [QVTO] Run transformation via extension point "org.eclipse.m2m.qvt.oml.runtime.qvtTrans [message #837134 is a reply to message #836714] |
Thu, 05 April 2012 09:57   |
 Ed Willink
Messages: 6585
Registered: July 2009 |
Senior Member |
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Hi
"Do I need to register the referenced ecore as part of the extension? "
Sort of.
When you run within Eclipse inter-model references are comparatively
easy since you have a normalising environment that ensures that
- packages such as http://www.eclipse.org/emf/2002/Ecore are registered
automatically
- pseudo-locations such as platform:/plugin and platform:/resource
exists and are mutually ../../.. navigable
None of this happens once you leave Eclipse and run standalone
Registering packages is easy, and actually happens just by referring to
them: EPackage.eINSTANCE.getClass()
Making platform: and ../.. navigation work is hard;
https://bugs.eclipse.org/bugs/show_bug.cgi?id=361063 is a solution.
I recommend only using http: and at most intra-project ../.. navigation
to keep things simple. You can use file: to make it work for you today,
but don't expect it to work for anyone else, or even you once code has
bounced in and out of a CM tool.
Remember that your stabdalone configuration must match your Eclipse
configuration if facilities used within Eclipse are to be similarly
referenceable standalone.
Regards
Ed Willink
On 04/04/2012 21:39, Missing name Mising name wrote:
> My transformation project extends
> "org.eclipse.m2m.qvt.oml.runtime.qvtTransformation". Hence, if located
> in the development workspace, the transformation is executable in the
> runtime workspace.
>
> This works up to the point where I make one of the input/output ecore
> meta-models reference another ecore (i.e. an EClass in my input or
> output ecore has an EReference to an EClass within another ecore,
> which is neither input nor output). If I refer to that EReference
> leading to the other ecore, I get the error message "Failed to parse
> transformation" when trying to execute the transformation in the
> runtime workspace. This is strange, because in the development
> workspace, there are no compilation errors.
>
> Does anyone have an idea? Do I need to register the referenced ecore
> as part of the extension?
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