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Home » Eclipse Projects » Sirius » Create representation exception(IllegalStateException on first creation)
Create representation exception [message #1464518] Fri, 07 November 2014 16:54 Go to next message
Koen Staal is currently offline Koen StaalFriend
Messages: 70
Registered: October 2014
Member
Im programmatically creating a representation but it gives an error on the first try, as shown below. If i initiate the code again it is no problem, no error and a diagram is created.
Do i need to start a write transaction?

The method i call:
DialectManager.INSTANCE .createRepresentation(name, object, description, session, new NullProgressMonitor());
I would appreciate any suggestions.

java.lang.IllegalStateException: Cannot modify resource set without a write transaction
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.assertWriting(TransactionChangeRecorder.java:348)
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.appendNotification(TransactionChangeRecorder.java:302)
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.processObjectNotification(TransactionChangeRecorder.java:284)
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.notifyChanged(TransactionChangeRecorder.java:240)
at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
at org.eclipse.emf.ecore.util.EcoreEList.dispatchNotification(EcoreEList.java:249)
at org.eclipse.emf.common.notify.impl.NotifyingListImpl.addUnique(NotifyingListImpl.java:294)
at org.eclipse.emf.common.util.AbstractEList.add(AbstractEList.java:303)
at org.eclipse.sirius.business.internal.session.danalysis.DAnalysisSessionServicesImpl.addRepresentationToContainer(DAnalysisSessionServicesImpl.java:354)
at org.eclipse.sirius.business.internal.session.danalysis.DAnalysisSessionServicesImpl.putCustomData(DAnalysisSessionServicesImpl.java:285)
at org.eclipse.sirius.diagram.business.internal.dialect.DiagramDialectServices.createRepresentation(DiagramDialectServices.java:168)
at org.eclipse.sirius.business.internal.dialect.DialectManagerImpl.createRepresentation(DialectManagerImpl.java:151)
at my.project.sirius.externalcalls.openGraphicalEditor(externalcalls.java:491)
at my.project.sirius.externalcalls.openGraphicalEditor(externalcalls.java:431)
at my.project.sirius.handlers.GraphicalEditorHandler.execute(GraphicalEditorHandler.java:57)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:294)
at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:247)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:229)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:149)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)
at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:825)
at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.handleWidgetSelection(HandledContributionItem.java:701)
at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.access$6(HandledContributionItem.java:685)
at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem$4.handleEvent(HandledContributionItem.java:613)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
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:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)

[Updated on: Mon, 10 November 2014 09:00]

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Re: Create representation exception [message #1467770 is a reply to message #1464518] Mon, 10 November 2014 09:44 Go to previous message
Koen Staal is currently offline Koen StaalFriend
Messages: 70
Registered: October 2014
Member
Using a recording command worked for me:


RecordingCommand createcommand = new RecordingCommand(ted) {

	@Override
	protected void doExecute() {
					
	        String name = Externalcalls.this.getName(object);					
	        RepresentationDescription description = Externalcalls.this
			.getDescription(session, object);

	       if (description != null) {
		      DRepresentation newrepresentation = DialectManager.INSTANCE
			   .createRepresentation(name, object,description, session, new NullProgressMonitor());
		     DialectUIManager.INSTANCE.openEditor(session,
			 newrepresentation, new NullProgressMonitor());
	        }
	}
};
try {
	ted.getCommandStack().execute(createcommand);
} catch (Exception e) {
	e.printStackTrace();
	LOGGER.log(Level.SEVERE,"Failed to create a new representation", e);
}

[Updated on: Mon, 10 November 2014 12:31]

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