| [EVL] Could not locate a metamodel with the URI [message #1726601] |
Mon, 14 March 2016 21:13  |
Eclipse User |
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Hello,
I'm facing a problem with the standalone example of an EVL application in combination with the use of a metamodel deployed as eclipse plugin.
If I use the pure evl file and the corresponding run configuration (metamode-url = "http://caex") it works fine, but when I use the Standalone Example and use createEmfModelByURI
@Override
public List<IModel> getModels() throws Exception {
List<IModel> models = new ArrayList<IModel>();
models.add(createEmfModelByURI("CAEX", "models/Topology.xmi", "http://caex", true, true));
return models;
}
it can't locate the metamodel anymore.
I did some debugging, and the problem seems to be that
[b]EPackage ePackage = EPackage.Registry.INSTANCE.getEPackage(metamodelUri.toString());[/b]
if (ePackage == null) {
throw new EolModelLoadingException(new IllegalArgumentException("Could not locate a metamodel with the URI '" + metamodelUri + "'. Please ensure that this metamodel has been registered with Epsilon."), this);
returns null (EMFModel.java)
I was first thinking that I've a format issue of the metamodel-URi, but when stepping through the delegate Registrys and inspecting the keymaps, the only available metamodel was ECore itself.
I did not register my meta-model as EPackage - as soon as I do so, I'm facing again the problem of not being able to call EOperations defined in the metamodel as described in https://www.eclipse.org/forums/index.php/t/1075483/
Is there maybe another option for accessing the "as plugin registered models" instead of createEmfModelByURI , as this one seems to require the EPackage Registration?
Thanks a lot in advance,
Cheers,
Martin
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