Re: [incquery-dev] eclipsecon example

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Re: [incquery-dev] eclipsecon example

From: Tamas Szabo <tamas.szabo@xxxxxxxxx>
Date: Mon, 21 Oct 2013 22:56:55 +0200
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I have removed the ValidationQueries.eiq (and copied to contents to the LibraryQueries.eiq file) in order to avoid the cyclic dep problem (for now).

However, after every eiq file modification I get this exception which prevents the builder to write the extension definitions into the plugin.xml:

!ENTRY org.eclipse.incquery.patternlanguage.emf.ui 4 0 2013-10-21 22:54:51.629
!MESSAGE Exception during XMI build!

!STACK 0
org.eclipse.emf.common.util.WrappedException: java.lang.ClassCastException: org.eclipse.emf.ecore.impl.EAttributeImpl cannot be cast to org.eclipse.emf.ecore.EReference
    at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getEObject(BatchLinkableResource.java:107)
    at org.eclipse.emf.ecore.xcore.resource.XcoreResource.getEObject(XcoreResource.java:184)
    at org.eclipse.incquery.tooling.core.generator.util.EMFPatternURIHandler.deresolve(EMFPatternURIHandler.java:113)
    at org.eclipse.emf.ecore.xmi.impl.XMLHelperImpl.deresolve(XMLHelperImpl.java:815)
    at org.eclipse.emf.ecore.xmi.impl.XMLHelperImpl.getHREF(XMLHelperImpl.java:801)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveHref(XMLSaveImpl.java:2295)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveHRefSingle(XMLSaveImpl.java:2379)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1562)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1219)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElementID(XMLSaveImpl.java:2711)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1176)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1037)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveContainedSingle(XMLSaveImpl.java:2398)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1542)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1219)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElementID(XMLSaveImpl.java:2711)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1176)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1037)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveContainedMany(XMLSaveImpl.java:2412)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1548)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1219)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElementID(XMLSaveImpl.java:2711)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1176)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1037)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveContainedMany(XMLSaveImpl.java:2412)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1548)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1219)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElementID(XMLSaveImpl.java:2711)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1176)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElement(XMLSaveImpl.java:1037)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveContainedMany(XMLSaveImpl.java:2412)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1548)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveFeatures(XMLSaveImpl.java:1219)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.saveElementID(XMLSaveImpl.java:2711)
    at org.eclipse.emf.ecore.xmi.impl.XMISaveImpl.writeTopObjects(XMISaveImpl.java:84)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.traverse(XMLSaveImpl.java:590)
    at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.save(XMLSaveImpl.java:251)
    at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doSave(XMLResourceImpl.java:365)
    at org.eclipse.emf.ecore.resource.impl.ResourceImpl.save(ResourceImpl.java:1430)
    at org.eclipse.emf.ecore.resource.impl.ResourceImpl.save(ResourceImpl.java:999)
    at org.eclipse.incquery.tooling.core.generator.builder.xmi.XmiModelBuilder.build(XmiModelBuilder.java:192)
    at org.eclipse.incquery.tooling.core.generator.builder.xmi.XmiModelSupport.internalBuild(XmiModelSupport.java:103)
    at org.eclipse.incquery.tooling.core.generator.builder.xmi.XmiModelSupport.build(XmiModelSupport.java:76)
    at org.eclipse.incquery.tooling.core.generator.builder.EMFPatternLanguageBuilderParticipant.build(EMFPatternLanguageBuilderParticipant.java:140)
    at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant.build(RegistryBuilderParticipant.java:60)
    at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:190)
    at org.eclipse.xtext.builder.impl.XtextBuilder.incrementalBuild(XtextBuilder.java:166)
    at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:95)
    at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:733)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)
    at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)
    at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:299)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:302)
    at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:358)
    at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:381)
    at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
    at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
Caused by: java.lang.ClassCastException: org.eclipse.emf.ecore.impl.EAttributeImpl cannot be cast to org.eclipse.emf.ecore.EReference
    at org.eclipse.xtext.linking.lazy.LazyURIEncoder.resolveShortFragment(LazyURIEncoder.java:105)
    at org.eclipse.xtext.linking.lazy.LazyURIEncoder.decode(LazyURIEncoder.java:89)
    at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getEObject(BatchLinkableResource.java:95)
    ... 59 more

Just a clarification:

On Sunday, October 20, 2013 at 7:58 AM, Istvan Rath wrote:

The length call still cannot be used in the check :(

Actually, it can be used, you will get a weird classpath error inside the Ecore editor, but it will work correctly nonetheless (in dynamic mode). Shall we disable the "Errors" tab altogether from the editor for the sake of the demo? :-)

The error we see comes from the validation attempt of the .eiq resource that is contained in the "main" resourceset of the Reflective Editor, and can be ignored (everything works just fine as not this .eiq has been used to initialize the SettingDelegateFactory).

However, for the sake of avoiding weird questions at the demo, I'm strongly leaning towards disabling validation altogether in this editor (for the time being).

Istvan

--
Istvan RATH, PhD

Research fellow
Budapest University of Technology and Economics

Fault Tolerant Systems Research Group
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Follow-Ups:
- Re: [incquery-dev] eclipsecon example
  - From: Ujhelyi Zoltán

References:
- Re: [incquery-dev] eclipsecon example
  - From: Ábel Hegedüs
- Re: [incquery-dev] eclipsecon example
  - From: Istvan Rath
- Re: [incquery-dev] eclipsecon example
  - From: Tamas Szabo
- Re: [incquery-dev] eclipsecon example
  - From: Istvan Rath
- Re: [incquery-dev] eclipsecon example
  - From: Istvan Rath

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