inheriting dash viewer and other properties from superclass shapes

[robatki...@gmail.com]

I have a nodeshape for a superclass that defines viewers for some key properties that I want subClasses to use.

Three issues - possibly with a common thread of ignorance connecting them :-)

1 ) The subclass form offers me two views - the superclass shape with the correct DetailsViewer and the subclass, which reverts to a blank node display.

The "merged view" loses the superclass's viewer constraint - so i get the ugly blank node option..

2) why doesnt the subclass view use the superclass NodeShape ?

(it has a nodeshape declared with a single extra property )

 

3) why does the subclass inherit properties from superclasses obove the superclass with its NodeShape,  but not from the superclass itself?

[Irene Polikoff]

I don’t quite understand your model, but may be the following will help:

1. If you have a NodeShape that is not a class, but targets a class, it is considered an alternative view for the class members.  The default view is always based on what is defined for the class that is also a node shape - unless you change it as described in 3.

2. The best practice for modeling is to use such node shapes to declare views with a smaller number of properties than the class itself or with the same number of properties but organized in a different way.

3. The node shape views will be available on forms as drop downs. You can make such view to be the default for all or some users. This is done by setting the "default view for roles" property.

4. The “merged view” is intended to support cases when a resource is a member of two or more classes unrelated to each other e.g., a Database Column and a Numeric Data Element.

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[Rob Atkinson]

Thanks Irene - I'll review with that info and see if I can resolve things

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[Rob Atkinson]

solved -  it didnt like mix of class=NodeShape and sh:targetShape but once I forced the parent shape onto the class things worked as expected. 

(is there a place in the doco where this is explained? - havent found one yet)