[jbosstools-issues] [JBoss JIRA] Resolved: (JBIDE-7914) org.drools.eclipse.core.DefaultRuleGroup cannot be cast to org.eclipse.emf.ecore.EObject

[Dan Florian (JIRA)]

     [ https://issues.jboss.org/browse/JBIDE-7914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Florian resolved JBIDE-7914.
--------------------------------

    Resolution: Done


Changed SelectionUtilities so that it doesn't rely on the object's type's equals method to work. What I think was happening is that org.drools.eclipse.core.DefaultRuleGroup.equals(Object) method was not working properly (need to verify that). Also made some changes to some of our actions so that checks are made to first make sure the selected object is in a Teiid Designer model project in order to enable that action. Hopefully this will do it Pavol:-)

> org.drools.eclipse.core.DefaultRuleGroup cannot be cast to org.eclipse.emf.ecore.EObject
> ----------------------------------------------------------------------------------------
>
>                 Key: JBIDE-7914
>                 URL: https://issues.jboss.org/browse/JBIDE-7914
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: teiid
>    Affects Versions: 3.2.0.Beta2
>            Reporter: Vitali Yemialyanchyk
>            Assignee: Dan Florian
>             Fix For: 3.2.0.CR2 (tentative)
>
>         Attachments: JBIDE-7914stacktraces.txt, JBIDE-7914stacktraces.txt, screenshot-1.jpg, screenshot-2.jpg
>
>   Original Estimate: 0 minutes
>  Remaining Estimate: 0 minutes
>
> 1) Drools workbench -> New drools project -> any proj name -> check all checkboxes -> other by default;
> 2) open Sample.drl;
> 3) in Outline view -> click on nodes -> click on *default* -> get exception:
> org.drools.eclipse.core.DefaultRuleGroup cannot be cast to org.eclipse.emf.ecore.EObject
> java.lang.ClassCastException: org.drools.eclipse.core.DefaultRuleGroup cannot be cast to org.eclipse.emf.ecore.EObject
> 	at com.metamatrix.modeler.internal.ui.actions.workers.ModelObjectWorker.isReadOnly(ModelObjectWorker.java:134)
> 	at com.metamatrix.modeler.internal.ui.actions.workers.CloneWorker.setEnabledState(CloneWorker.java:58)
> 	at com.metamatrix.modeler.internal.ui.actions.workers.ModelObjectWorker.selectionChanged(ModelObjectWorker.java:181)
> 	at com.metamatrix.modeler.internal.ui.actions.DesignerUiPropertyTester.isCloneAllowed(DesignerUiPropertyTester.java:91)
> 	at com.metamatrix.modeler.internal.ui.actions.DesignerUiPropertyTester.test(DesignerUiPropertyTester.java:45)
> 	at org.eclipse.core.internal.expressions.Property.test(Property.java:58)
> 	at org.eclipse.core.internal.expressions.TestExpression.evaluate(TestExpression.java:99)
> 	at org.eclipse.ui.internal.services.EvaluationResultCache.evaluate(EvaluationResultCache.java:74)
> 	at org.eclipse.ui.internal.services.ExpressionAuthority.evaluate(ExpressionAuthority.java:165)
> 	at org.eclipse.ui.internal.services.EvaluationAuthority.refsWithSameExpression(EvaluationAuthority.java:155)
> 	at org.eclipse.ui.internal.services.EvaluationAuthority.sourceChanged(EvaluationAuthority.java:129)
> 	at org.eclipse.ui.internal.services.ExpressionAuthority.sourceChanged(ExpressionAuthority.java:311)
> 	at org.eclipse.ui.internal.services.ExpressionAuthority.sourceChanged(ExpressionAuthority.java:302)
> 	at org.eclipse.ui.AbstractSourceProvider.fireSourceChanged(AbstractSourceProvider.java:80)
> 	at org.eclipse.ui.internal.services.WorkbenchSourceProvider.selectionChanged(WorkbenchSourceProvider.java:177)
> 	at org.eclipse.ui.internal.AbstractSelectionService.fireSelection(AbstractSelectionService.java:156)
> 	at org.eclipse.ui.internal.AbstractSelectionService$1.selectionChanged(AbstractSelectionService.java:62)
> 	at org.eclipse.ui.part.PageBookView$5.run(PageBookView.java:255)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.runtime.Platform.run(Platform.java:888)
> 	at org.eclipse.ui.part.PageBookView$SelectionManager.selectionChanged(PageBookView.java:253)
> 	at org.eclipse.ui.part.PageBookView$SelectionProvider.selectionChanged(PageBookView.java:319)
> 	at org.eclipse.ui.part.PageBookView.pageSelectionChanged(PageBookView.java:896)
> 	at org.eclipse.ui.part.PageBookView.access$2(PageBookView.java:891)
> 	at org.eclipse.ui.part.PageBookView$2.selectionChanged(PageBookView.java:163)
> 	at org.eclipse.ui.views.contentoutline.ContentOutlinePage$1.run(ContentOutlinePage.java:99)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.views.contentoutline.ContentOutlinePage.fireSelectionChanged(ContentOutlinePage.java:97)
> 	at org.eclipse.ui.views.contentoutline.ContentOutlinePage.selectionChanged(ContentOutlinePage.java:157)
> 	at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:162)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
> 	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
> 	at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
> 	at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2162)
> 	at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1190)
> 	at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1220)
> 	at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:228)
> 	at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:222)
> 	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:389)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
> 	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
> 	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)

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