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Resolving proxy for cross-reference to another file [message #733825]

Wed, 05 October 2011 18:09

Andrew Gacek

Messages: 32
Registered: October 2011

Member

I have a language in Xtext with cross-references to variables declared in another file. When I am traversing the model returned by Xtext and I come across one of these variables it is a proxy object and any calls to its getXXX() methods returns null. How do I tell EMF to resolve this proxy? Can I force all proxies to be resolved when the model is loaded?

I'm loading the model using the following code which is part of an Eclipse plug-in. It is supposed to load the model for the file that the user is currently editing.

IEditorPart activeEditor = window.getActivePage().getActiveEditor();
IFile activeFile = (IFile) activeEditor.getEditorInput().getAdapter(IFile.class);
Injector injector = new MydslStandaloneSetup().createInjectorAndDoEMFRegistration();
XtextResourceSet resourceSet = injector.getInstance(XtextResourceSet.class);
resourceSet.addLoadOption(XtextResource.OPTION_RESOLVE_ALL, Boolean.TRUE);
URI uri = URI.createURI(activeFile.getFullPath().toString());	
Resource resource = resourceSet.getResource(uri, true);
return (Model) resource.getContents().get(0);

-Andrew

[Updated on: Wed, 05 October 2011 18:09]

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Re: Resolving proxy for cross-reference to another file [message #733834 is a reply to message #733825]

Wed, 05 October 2011 18:27

Christian Dietrich

Messages: 14669
Registered: July 2009

Senior Member

Hi,

first: calling Injector injector = new MydslStandaloneSetup().createInjectorAndDoEMFRegistration();
from an eclipse ui is a very very bad idea. the stuff if not named standalone for fun.

second: if your using standlone setup all resources have to be added to the resourceset before resolvinbg anything.

third: why do you want to reload the model at all?
i guess you want to do something like http://www.eclipse.org/forums/index.php/mv/msg/170054/543633/#msg_543633

~Christian

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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