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Open a generated "lite" editor, create any element and set any String single-valued property. Switch to the editor and execute Undo. The property is not reset to its previous value, and a ClassCastException appears in the log. Same happens if "Restore default value" operation is undone. The exception follows. java.lang.ClassCastException: org.eclipse.emf.edit.provider.ItemPropertyDescriptor$PropertyValueWrapper at org.eclipse.emf.ecore.provider.ENamedElementItemProvider$1.setPropertyValue(ENamedElementItemProvider.java:99) at org.eclipse.emf.edit.ui.provider.PropertySource.setPropertyValue(PropertySource.java:118) at org.eclipse.gef.ui.properties.SetValueCommand.undo(SetValueCommand.java:93) at org.eclipse.gef.commands.CompoundCommand.undo(CompoundCommand.java:169) at org.eclipse.gef.commands.ForwardUndoCompoundCommand.undo(ForwardUndoCompoundCommand.java:52) at org.eclipse.gef.commands.CommandStack.undo(CommandStack.java:324) at org.eclipse.gef.ui.actions.UndoAction.run(UndoAction.java:93) at org.eclipse.jface.action.Action.runWithEvent(Action.java:499) at org.eclipse.ui.actions.RetargetAction.runWithEvent(RetargetAction.java:229) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:925) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3346) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2966) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:169) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952)
Created attachment 41433 [details] Fixes the subj
Created attachment 41434 [details] Fixes the subj
Created attachment 41455 [details] Fixes the subj A new patch that includes *Generator.java class as well as the modified template.
reviewed and committed
[GMF Restructure] Bug 319140 : product GMF and component Generation was the original product and component for this bug
