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Tranformation Question ( KDM Model to JAVA Model) [message #1748854]

Tue, 29 November 2016 11:11

Guisella Angulo

Messages: 17
Registered: September 2016

Junior Member

Good Morning Very Happy

,
I would like to know, why I can do this (Transformation JAVA model to KDM Model):

abstract rule ASTNodeToAbstractCodeElement {
from
src: java!ASTNode
to
tgt: kdm!AbstractCodeElement (

-- Code
)
}
and I can't do the follow Transformation (KDM to JAVA):

abstract rule ASTNodeToAbstractCodeElement {
from
tgt: kdm!AbstractCodeElement
to
src: java!ASTNode (

-- Code
)

}

Thanks in advance!

[Updated on: Tue, 29 November 2016 11:12]

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Re: Tranformation Question ( KDM Model to JAVA Model) [message #1748920 is a reply to message #1748854]

Wed, 30 November 2016 07:56

Dennis Wagelaar

Messages: 589
Registered: September 2012
Location: Belgium

Senior Member

You cannot do that in the same transformation, because the target model may not be read. You can do it in a separate reverse transformation, though.

Cheers,
Dennis

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Re: Tranformation Question ( KDM Model to JAVA Model) [message #1749005 is a reply to message #1748920]

Thu, 01 December 2016 02:52

Guisella Angulo

Messages: 17
Registered: September 2016

Junior Member

I try to do this in other transformation but I can't

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Re: Tranformation Question ( KDM Model to JAVA Model) [message #1749028 is a reply to message #1749005]

Thu, 01 December 2016 09:43

Dennis Wagelaar

Messages: 589
Registered: September 2012
Location: Belgium

Senior Member

Ok, please post your transformation module headers (module...create...from...), as well as the exact error you get.

Cheers,
Dennis

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Re: Tranformation Question ( KDM Model to JAVA Model) [message #1749424 is a reply to message #1749028]

Tue, 06 December 2016 14:47

Guisella Angulo

Messages: 17
Registered: September 2016

Junior Member

module Projeto_KDM2JAVA_ATL;
create OUT: JAVA from IN: KDM;

abstract rule AbstractCodeElementToASTNode {
from
source : KDM!AbstractCodeElement
to
target : JAVA!ASTNode(
comment <- source.comments
)
}
error: org.eclipse.m2m.atl.engine.emfvm.VMException: The class 'ASTNode' is not a valid classifier
Caused by: java.lang.IllegalArgumentException: The class 'ASTNode' is not a valid classifier

Thanks, Obrigada, Gracias! Very Happy

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Re: Tranformation Question ( KDM Model to JAVA Model) [message #1751011 is a reply to message #1749424]

Tue, 03 January 2017 16:22

Dennis Wagelaar

Messages: 589
Registered: September 2012
Location: Belgium

Senior Member

The KDM metamodel is spread over many ecore files. In which file can I find the ASTNode metaclass?

EDIT: sorry, ASTNode is not mentioned for KDM, but for the JAVA metamodel only. The JAVA metamodel (http://www.eclipse.org/MoDisco/Java/0.2.incubation/java) does have an abstract EClass ASTNode, which should work for abstract rules. Can you also indicate which concrete rules inherit from AbstractCodeElementToASTNode? These concrete rules should all specify a concrete subclass of ASTNode...

Cheers,
Dennis

[Updated on: Tue, 03 January 2017 16:25]

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