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Home » Modeling » ATL » The class 'VisitableCS' is not a valid classifier(OCL MDT error)
The class 'VisitableCS' is not a valid classifier [message #1000786] Tue, 15 January 2013 12:39 Go to next message
Fy Za is currently offline Fy ZaFriend
Messages: 245
Registered: March 2010
Senior Member
Hi all,
I try to use to atl query to generate a very simple text form a parsed OCL document
conforms to CompleteOCLCST metamodel proposed by OCL MDT community.

this is the query
query Variable = 
	CompleteMetaModel!CompleteOCLDocumentCS.allInstances()->asSequence()->first()
		.generateText().writeTo('/Users/text.txt');

helper
context CompleteMetaModel!CompleteOCLDocumentCS
def : generateText() : String =
'aa';


An error is gnerated which is
Error loading platform:/resource/CompleteOCL/Test.xmi: The class 'VisitableCS' is not a valid classifier

Can you please help to identify the source of this error
Best regards,
Fy Za

[Updated on: Tue, 15 January 2013 12:49]

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Re: The class 'VisitableCS' is not a valid classifier [message #1000798 is a reply to message #1000786] Tue, 15 January 2013 12:51 Go to previous messageGo to next message
Ed Willink is currently offline Ed WillinkFriend
Messages: 7655
Registered: July 2009
Senior Member
Hi

Did you call CompleteOCLStandaloneSetup.doSetup() ?

Regards

Ed Willink

On 15/01/2013 12:39, Fy Za wrote:
> Hi all,
> I try to use to atl query to generate a very simple text form a parser
> OCL document conforms to CompleteOCLCST metamodel proposed by OCL MDT
> community.
>
> this is the query
>
> query Variable =
> CompleteMetaModel!CompleteOCLDocumentCS.allInstances()->asSequence()->first()
> .generateText().writeTo('/Users/text.txt');
>
> helper
> context CompleteMetaModel!CompleteOCLDocumentCS
> def : generateText() : String =
> 'aa';
>
>
> An error is gnerated which is
> Error loading platform:/resource/CompleteOCL/Test.xmi: The class
> 'VisitableCS' is not a valid classifier
>
> Can you please help to identify the source of this error
> Best regards,
> Fy Za

Report message to a moderator

Re: The class 'VisitableCS' is not a valid classifier [message #1000800 is a reply to message #1000798] Tue, 15 January 2013 12:55 Go to previous messageGo to next message
Fy Za is currently offline Fy ZaFriend
Messages: 245
Registered: March 2010
Senior Member
I parse the OCL document using save as xmi

Best regards
Fy Za

[Updated on: Tue, 15 January 2013 12:55]

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Re: The class 'VisitableCS' is not a valid classifier [message #1001752 is a reply to message #1000800] Thu, 17 January 2013 10:26 Go to previous messageGo to next message
Fy Za is currently offline Fy ZaFriend
Messages: 245
Registered: March 2010
Senior Member
Hi,

I think that "save as xmi" produce the same output as using CompleteOCLStandaloneSetup.doSetup().
That is right?

Best regards,
Fy Za

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Re: The class 'VisitableCS' is not a valid classifier [message #1001760 is a reply to message #1001752] Thu, 17 January 2013 10:29 Go to previous messageGo to next message
Ed Willink is currently offline Ed WillinkFriend
Messages: 7655
Registered: July 2009
Senior Member
Hi

Well if you think that you might as well save time and just write
System.println("This program doesn't work") since that might produce the
same output too.

Why on earth would an initialization routine be the same as a resource save?

Regards

Ed Willink



On 17/01/2013 10:26, Fy Za wrote:
> Hi,
>
> I think that "save as xmi" produce the same output as using
> CompleteOCLStandaloneSetup.doSetup().
> That is right?
>
> Best regards,
> Fy Za
>

Report message to a moderator

Re: The class 'VisitableCS' is not a valid classifier [message #1001769 is a reply to message #1001760] Thu, 17 January 2013 10:47 Go to previous messageGo to next message
Fy Za is currently offline Fy ZaFriend
Messages: 245
Registered: March 2010
Senior Member
I use the output of this parser
But the same error was generated
package Parser;
import java.io.IOException;

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.ocl.examples.pivot.model.OCLstdlib;
import org.eclipse.ocl.examples.xtext.completeocl.CompleteOCLStandaloneSetup;
import org.eclipse.ocl.examples.xtext.oclinecore.OCLinEcoreStandaloneSetup;

public class Parser {

	public static void main(String[] args) throws IOException {

		CompleteOCLStandaloneSetup.doSetup();
		OCLinEcoreStandaloneSetup.doSetup();
		OCLstdlib.install();
		ResourceSet resourceSet = new ResourceSetImpl();
		Resource resource = resourceSet.createResource(URI.createURI(args[0]));
		resource.load(null);
		EcoreUtil.resolveAll(resource);
		Resource resourceAsXmi = resourceSet.createResource(URI.createURI(args[0]+".xmi"));
		resourceAsXmi.getContents().addAll(resource.getContents());
		resourceAsXmi.save(null);

	}
}

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Re: The class 'VisitableCS' is not a valid classifier [message #1003309 is a reply to message #1001769] Sun, 20 January 2013 23:34 Go to previous message
Fy Za is currently offline Fy ZaFriend
Messages: 245
Registered: March 2010
Senior Member
Hi Ed
I am really sorry if you do not like my answer because I confused between AST and CST.
in the parser, I use CompleteOCLStandaloneSetup.doSetup() but the error still persists.

Best regards,
Fy Za

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