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Getting invalid for the evaluation of OCL on XMI [message #1848606]

Thu, 09 December 2021 15:18

Marshall Charron

Messages: 72
Registered: August 2018

Member

Hello,

I am trying to evaluate an OCL expression "self.contains" supposed to return the class contained in self, but I am getting 'invalid' as a response. Would please explain to me why I am getting that ?

Here my code :

Resource resource = OCLManager.getResourceFromEcoreFile("resources/model.ecore");
Resource XMIRes = OCLManager.getResourceFromXMIFile("resources/instance.xmi", resource);
String contraintString = "self.contains";		
OCLExpression<EClassifier> parsedConstraints = OCLManager.getQuery(contraintString, "resources/model.ecore" );
Object eval = OCLManager.getOcl().evaluate(XMIRes.getContents().get(0),parsedConstraints);

[Updated on: Thu, 09 December 2021 15:19]

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Re: Getting invalid for the evaluation of OCL on XMI [message #1848617 is a reply to message #1848606]

Thu, 09 December 2021 18:42

Ed Willink

Messages: 7655
Registered: July 2009

Senior Member

Hi

You only provide a snippet of your code. Looking at it I see an OCLManager class that seems rather important. It is not part of Eclipse OCL, so without anything resembling a repro, I cannot copy further.

The only OCLManager hits on Google are for OpenCL not OCL, so I must assume that OCLManager is your own code and is probably the source of your problems.

Regards

Ed Willink

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