Re: [henshin-dev] Error in LoopUnitImpl

[Gregor Bonifer <gregor.bonifer@xxxxxx>]

Hi,

the fix is commited. Luckily, I already had this one hiding under a pile 
of other changes :)

Regards,
Gregor

Am 23.02.2012 15:59, schrieb Claudia Ermel:
> Hi Gregor,
>
> there is an error in Revision 1360 in  LoopUnitImpl.java when you are 
> trying to cast a SingletonList to an EList:
>
>     public EList<TransformationUnit> getSubUnits() {
>         if (subUnit!=null) {
>             return (EList<TransformationUnit>) 
> Collections.singletonList(subUnit);
>         } else {
>             return ECollections.emptyEList();
>         }
>     }
>
> java.lang.ClassCastException: java.util.Collections$SingletonList 
> cannot be cast to org.eclipse.emf.common.util.EList
>     at 
> org.eclipse.emf.henshin.model.impl.LoopUnitImpl.getSubUnits(LoopUnitImpl.java:111)
>     at 
> org.eclipse.emf.henshin.model.impl.TransformationUnitImpl.getSubUnits(TransformationUnitImpl.java:197)
>     at 
> de.tub.tfs.henshin.editor.util.DialogUtil.runTransformationUnitChoiceForAddUnitDialog(DialogUtil.java:275)
>     at 
> de.tub.tfs.henshin.editor.actions.transformation_unit.AddTransformationUnitAction.run(AddTransformationUnitAction.java:89)
>     at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
>
>
> The error does not exist in Revision 1356 (the one before), so please 
> revert to this revision:
>
>     public EList<TransformationUnit> getSubUnits() {
>         if (subUnit!=null) {
>             return (EList<TransformationUnit>) 
> ECollections.singletonEList(subUnit);
>         } else {
>             return ECollections.emptyEList();
>         }
>     }
>
> Greetx,
> Claudia und Jürgen