[mdt-papyrus.dev] Model modification cause diagram corrupted

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[mdt-papyrus.dev] Model modification cause diagram corrupted

From: Arnaud Dieumegard <arnaud.dieumegard@xxxxxxxxx>
Date: Tue, 12 Oct 2010 16:09:02 +0200
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Hi all,

I have some modifications to do to my previous question.

I use Helios Build id: 20100617-1415
And Papyrus MDT 0.7.0.v201007251735

I'm creating a plugin to populate an UML model from a database. So I have a parser getting elements from the database.
Then, I need to compare the existing elements with the new element and replace/add/delete acccording to the result.

I have an IWorkbenchWindowActionDelegate to launch the population of the diagram. In this action I have a WorkspaceModifyOperation.
In the WorkspaceModifyOperation, I have a RecordingCommand in witch I make my modifications on the model.

Here is a part of my code:

//Get the org.eclipse.uml2.uml.operation
Operation op = getOperationToModify(); 
if (op.getOwner() instanceof Class){
tmp = (Class) op.getOwner();
op.destroy();
op = ((Class)tmp).createOwnedOperation(actionName, tmpParamName, tmpParamType);

}

The modifications are done but an error is raised:

!ENTRY org.eclipse.emf.transaction 4 45 2010-10-12 16:02:05.082
!MESSAGE Uncaught exception during post-commit listener notifications
!STACK 0
java.lang.ClassCastException: org.eclipse.uml2.uml.internal.impl.ClassImpl cannot be cast to org.eclipse.uml2.uml.Operation
    at org.eclipse.papyrus.diagram.common.helper.OperationLabelHelper.getUMLElement(OperationLabelHelper.java:129)
    at org.eclipse.papyrus.diagram.common.helper.OperationLabelHelper.getUMLElement(OperationLabelHelper.java:1)
    at org.eclipse.papyrus.diagram.common.helper.StereotypedElementLabelHelper.stereotypesToDisplay(StereotypedElementLabelHelper.java:232)
    at org.eclipse.papyrus.diagram.common.helper.StereotypedElementLabelHelper.labelToDisplay(StereotypedElementLabelHelper.java:361)
    at org.eclipse.papyrus.diagram.common.helper.StereotypedElementLabelHelper.refreshEditPartDisplay(StereotypedElementLabelHelper.java:351)
    at org.eclipse.papyrus.diagram.clazz.custom.policies.OperationLabelEditPolicy.refreshDisplay(OperationLabelEditPolicy.java:397)
    at org.eclipse.papyrus.diagram.common.editpolicies.AbstractMaskManagedEditPolicy.refresh(AbstractMaskManagedEditPolicy.java:90)
    at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart$3.run(GraphicalEditPart.java:858)
    at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
    at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.refresh(GraphicalEditPart.java:851)
    at org.eclipse.gef.editparts.AbstractEditPart.addNotify(AbstractEditPart.java:252)
    at org.eclipse.gef.editparts.AbstractGraphicalEditPart.addNotify(AbstractGraphicalEditPart.java:223)
    at org.eclipse.gef.editparts.AbstractEditPart.addChild(AbstractEditPart.java:211)
    at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.addChild(GraphicalEditPart.java:1319)
    at org.eclipse.gef.editparts.AbstractEditPart.refreshChildren(AbstractEditPart.java:771)
    at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.refreshChild(GraphicalEditPart.java:1232)
    at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.handleMajorSemanticChange(GraphicalEditPart.java:1258)
    at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.handleNotificationEvent(GraphicalEditPart.java:1477)
    at org.eclipse.papyrus.diagram.clazz.edit.parts.Operation3EditPart.handleNotificationEvent(Operation3EditPart.java:734)
    at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.notifyChanged(GraphicalEditPart.java:1438)
    at org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker.fireNotification(DiagramEventBroker.java:500)
    at org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker.resourceSetChanged(DiagramEventBroker.java:395)
    at org.eclipse.gmf.runtime.diagram.ui.DiagramEventBrokerThreadSafe.resourceSetChanged(DiagramEventBrokerThreadSafe.java:73)
    at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl$1.run(TransactionalEditingDomainImpl.java:781)
    at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
    at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.postcommit(TransactionalEditingDomainImpl.java:771)
    at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.deactivate(TransactionalEditingDomainImpl.java:543)
    at org.eclipse.emf.transaction.impl.TransactionImpl.close(TransactionImpl.java:712)
    at org.eclipse.emf.transaction.impl.TransactionImpl.commit(TransactionImpl.java:474)
    at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:155)
    at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:511)
    at org.eclipse.emf.workspace.impl.WorkspaceCommandStackImpl.doExecute(WorkspaceCommandStackImpl.java:208)
    at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:165)
    at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:219)
    at com.continental.limasrelated.actions.GetADDContentAction$1.execute(GetADDContentAction.java:101)
    at org.eclipse.ui.actions.WorkspaceModifyOperation$1.run(WorkspaceModifyOperation.java:106)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
    at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:118)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)
    at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507)
    at org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog.run(ProgressMonitorJobsDialog.java:275)
    at org.eclipse.ui.internal.progress.ProgressManager.run(ProgressManager.java:1162)
    at com.continental.limasrelated.actions.GetADDContentAction.run(GetADDContentAction.java:57)
    at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)
    at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:229)
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
    at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
    at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
    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:2629)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427)
    at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:663)
    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)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1383)

I already saw an error like this in:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=319240

It apears that a reference to the old operation is still in the diagram but I made a destroy on the operation.

Thanks for your help.
Arnaud

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