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How to create UMLPackage object using ResourceSet?Or how to convert EPackage object to UMLPackage? [message #1850925]

Tue, 22 March 2022 13:08

qiaosen liu

Messages: 9
Registered: March 2022

Junior Member

I want to create a UMLPackage object using ResourceSet so that I can parse the UML model. However, I can only get the object of EPackage.

code show as below：

URI uri = URI.createURI("src/model/test.uml");
ResourceSet set = new ResourceSetImpl();
set.getPackageRegistry().put(UMLPackage.eNS_URI, UMLPackage.eINSTANCE);
set.getResourceFactoryRegistry().getExtensionToFactoryMap()
.put(UMLResource.FILE_EXTENSION, UMLResource.Factory.INSTANCE);
Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap()
.put(UMLResource.FILE_EXTENSION, UMLResource.Factory.INSTANCE);
Resource res = set.getResource(uri, true);
EObject root=res.getContents().get(0);
UMLPackage umlPackage=null;
for(EObject e:root.eContents()){
if("Interaction".equals(e.eClass().getName())){
umlPackage=(UMLPackage) e.eClass().getEPackage();
}
}
if(null!=umlPackage){
System.out.println(umlPackage.getLifeline());
}

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Re: How to create UMLPackage object using ResourceSet?Or how to convert EPackage object to UMLPackag [message #1850930 is a reply to message #1850925]

Tue, 22 March 2022 15:00

Ed Merks

Messages: 33143
Registered: July 2009

Senior Member

Better to ask on the UMLforum:

https://www.eclipse.org/forums/index.php?t=thread&frm_id=117

And you should use the debugger because I assume that root is some type of UML2 instance while your "umlPackage" is the metadata (Ecore model) of the UML instance/model.

Ed Merks
Professional Support: https://www.macromodeling.com/

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