[news.eclipse.tools.emf] Re: Wrapper for arbitrary values or objects

["Philipp W. Kutter" <kutter@xxxxxxxxxxxx>]

Hi, Ed.
It seems this is exactly what we need.

Thanks a lot.

Best, Philipp

Ed Merks wrote:
> Phillip,
>
> An instance of SimpleAnyType is an EObject and can have its 
> setInstanceType be called to reference any EDataType and then setValue 
> or setRawValue can be used to set an instance of that type or a literal 
> representation of an instance of that type so in that way it acts as a 
> wrapper.  This is what's created when a serialized instance uses 
> xsi:type="..." where "..." refers to an EDataType rather than an EClass...
>
>
> Philipp W. Kutter wrote:
> > Hi.
> > Has anyone an idea what is the most elegant solution for a
> > wrapper for values of some EDataYype, and objects of some EClass?
> >
> > We need to define an EStructuralFeature which can point both to any
> > EObject, or any of EInt, EBoolean, EString, e.t.c.
> >
> > Creating a class
> >
> > Wrapper(type: EType, many: boolean, objectValue: EObject*, intValue: 
> > EInt*, ...)
> >
> > is obvious, but then the OCL expressions over this get very ugly.
> >
> > Best, Philipp