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Re: [mdt-papyrus.dev] multiple inheritance in profile
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Hi
This is the Papyrus developers list. Please use the Papyrus forum for
Papyrus usage questions. Use the UML2 forum for UML questions.
You haven't provided a repro so I may be misunderstanding what is nasty.
base_XXX/extension_XXX is effectively reserved for use by the Stereotype
implementation mechanics. Very bad practice to re-use it. Imperfect
tooling may get confused.
Duplicate feature names are prohibited in Ecore and UML. In Ecore (for
the reified Stereotype) you would be in trouble. However UML provides a
redefinition capability. This should be used to break the conflict. I've
only used it in some superficial OCL test cases, so you may have some
bugs to circumvent. Raise Bugzillas with fulll project repros.
Regards
Ed Willink
On 28/03/2017 09:53, DELOGE Gery 249233 wrote:
Hi,
I had annoying exceptions in BPMN. The root cause was an issue in BPMN profile generated code with multiple inheritance.
A stereotype inherits from two parents who have each a property named with the same name.
Basically BPMNActivity inherits from InteractionNode and from BaseElement who have both a base_element attribute.
Initial configuration was UML2 generator (xmlns:genmodel="http://www.eclipse.org/uml2/2.2.0/GenModel in genmodel file) and DUPLICATE_FEATURE_INHERITANCE set to DISCARD.
In this case, the inheritance from InteractionNode is not present in generated code and effect is IllegalArgumentException.
First test was renaming base_element attribute in InterractionNode and keeping DUPLICATE_FEATURE_INHERITANCE to discard.
Code was generated without error and multiple inheritance is fine.
Second test was setting DUPLICATE_FEATURE_INHERITANCE to Process. In that case multiple inheritance is generated correctly but I have one error in generated code in a switch case in eIsSet method
case BPMNProfilePackage.INTERACTION_NODE__BASE_ELEMENT:
return isSetBase_Element();
INTERACTION_NODE__BASE_ELEMENT cannot be resolved or is not a field
Commenting this case and everything look fine.
Does anyone already have this issue ?
What is the best solution ?
Cheers,
Géry
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