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[Xpand] How to get xmi id from an xpand template [message #647666]

Fri, 07 January 2011 16:47

Eclipse User

Messages: 14
Registered: January 2011

Junior Member

Hi,

Is there a straightforward way to print out the xmi id of an object from an Xpand template?

In particular, I'm trying to get at the xmi id of an item with a custom uml profile stereotype.

Any advice would be greatly appreciated.

~Lourdes

[Updated on: Fri, 07 January 2011 16:51]

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Re: [Xpand] How to get xmi id from an xpand template [message #647670 is a reply to message #647666]

Fri, 07 January 2011 17:01

Christian Dietrich

Messages: 14111
Registered: July 2009

Senior Member

Hi,

Since XMI is just one way of Persisting stuff reading the XMI Id is not a default usecase.

why do you need the xmi ids?

but this java extension should do the stuff.

package template;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.xmi.XMLResource;

public class Extensions {
	
	public static String xmiId(EObject x) {
		Resource resouce = x.eResource();
		if (resouce instanceof XMLResource) {
			XMLResource xmlResource = (XMLResource)resouce;
			return xmlResource.getID(x);
		}
		return "";
	}

}

template/GeneratorExtensions.ext

String xmiID(emf::EObject x) :
	JAVA template.Extensions.xmiId(org.eclipse.emf.ecore.EObject);

template.xpt

«EXTENSION template::GeneratorExtensions»
....
«DEFINE main FOR test::Bean»
....
//«this.xmiID()»
....

see http://www.openarchitectureware.org/forum/viewtopic.php?foru m=2&showtopic=14730&highlight=xmiid

~Christian

Need professional support for Xtext, Xpand, EMF?
Go to: https://www.itemis.com/en/it-services/methods-and-tools/xtext
Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

[Updated on: Fri, 07 January 2011 17:02]

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Re: [Xpand] How to get xmi id from an xpand template [message #647696 is a reply to message #647670]

Fri, 07 January 2011 19:15

Eclipse User

Messages: 14
Registered: January 2011

Junior Member

Hi Christian,

Some of the downstream tools that will be utilizing the xpand output for this particular usage scenario needed the xmi id. I tried out your recommended approach, and it works as expected.

Thanks again for your quick responses. It is most appreciated!!

Cheers,

Lourdes

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