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Home » Modeling » ATL » Output model creation and extraction problem
Output model creation and extraction problem [message #1787490] Sat, 26 May 2018 15:28 Go to next message
Gonzalo López is currently offline Gonzalo LópezFriend
Messages: 14
Registered: February 2018
Junior Member
Hello

I have a transformation which has bpmn as in and bpmn as out.

When the in model is injected (inject(targetModel, mainResource);) main resource contents are:

mainResource
contents[0]: [org.eclipse.bpmn2.modeler.core.model.Bpmn2ModelerFactory$Bpmn2ModelerDocumentRootImpl@607ae1e5 (mixed: [ecore.xml.type:comment= origin at X=0.0 Y=0.0 , bpmn2:definitions=org.eclipse.bpmn2.impl.DefinitionsImpl@5b189448 (id: Definitions_1, anyAttribute: null) (exporter: org.eclipse.bpmn2.modeler.core, exporterVersion: 1.4.2.Final-v20171109-1930-B1, expressionLanguage: http://www.w3.org/1999/XPath, name: null, targetNamespace: http://org.eclipse.bpmn2/default/process, typeLanguage: http://www.w3.org/2001/XMLSchema)])]


contents[0].eProperties.eContents[0]: org.eclipse.bpmn2.impl.DefinitionsImpl@5b189448 (id: Definitions_1, anyAttribute: null) (exporter: org.eclipse.bpmn2.modeler.core, exporterVersion: 1.4.2.Final-v20171109-1930-B1, expressionLanguage: http://www.w3.org/1999/XPath, name: null, targetNamespace: http://org.eclipse.bpmn2/default/process, typeLanguage: http://www.w3.org/2001/XMLSchema)


After the transformation, in extraction time, the structure I have is different.

This is the model after the recreateResourceIfNeeded methor (in EMFExtractor class) is executed, the resource contents are:

resource
contents[0]: org.eclipse.bpmn2.impl.DefinitionsImpl@1633a050 (id: null, anyAttribute: null) (exporter: org.eclipse.bpmn2.modeler.core, exporterVersion: 1.4.2.Final-v20171109-1930-B1, expressionLanguage: http://www.w3.org/1999/XPath, name: null, targetNamespace: http://org.eclipse.bpmn2/default/process, typeLanguage: http://www.w3.org/2001/XMLSchema)

The DefinitionsImpl should be contained in a Bpmn2ModelerFactory$Bpmn2ModelerDocumentRootImpl but that element is not present in the resource.

As a consecuence of this, there is an Exception in the modeler code when saving:

java.lang.NullPointerException
at org.eclipse.bpmn2.modeler.core.model.Bpmn2ModelerResourceImpl$Bpmn2ModelerXMLSave.addNamespaceDeclarations(Bpmn2ModelerResourceImpl.java:1062)


I've been stucked with this problem for months now, I thought I solved it using Bpmn2ResourceFactoryImpl instead of Bpmn2ModelerResourceFactoryImpl, but that was not correct.

I can provide more information if needed.

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Re: Output model creation and extraction problem [message #1790040 is a reply to message #1787490] Sun, 03 June 2018 22:57 Go to previous message
Gonzalo López is currently offline Gonzalo LópezFriend
Messages: 14
Registered: February 2018
Junior Member
I reported it as a bug:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=535355

I attach a transformation and a bpmn model to reproduce it.

The IN model was created as a Generic BPMN 2.0 Diagram with the ecliplse bpmn2 modeler.

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