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[vwnc] Glorp mapping problem

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Hello.

I'm trying to map an instance variable of a class to two differents objects, each one with its own table.

For example, if I have these objects:

ObjectA

instanceVariableNames: 'name others'

ObjectB

instanceVariableNames: 'name'

In ObjectA the variable others is a collection of ObjectA or ObjectB.

¿Wich is the correct way to map the #others variable in the ObjectA descriptor?

This is the code for the class models, the descriptors and the tables for the example:

classModelForObjectA: aClassModel

aClassModel addAttribute: #name.

aClassModel addAttribute: #others collectionOf: ? --> Wich is the type of this collection?

classModelForObjectB: aClassModel

aClassModel addAttribute: #name.

descriptorForObjectA: aDescriptor

(aDescriptor new: DirectMapping) from: #name to: (table fieldNamed: 'name').

--> How is the mapping definition for #others?

descriptorForObjectB: aDescriptor

(aDescriptor new: DirectMapping) from: #name to: (table fieldNamed: 'name').

tableForOBJECTS_A: aTable

aTable createFieldNamed: 'name' type: (self platform varChar: 12).

tableForOBJECTS_B: aTable

aTable createFieldNamed: 'name' type: (self platform varChar: 12).

tableForOBJECTS_LINK: aTable

aTable createFieldNamed: 'parent' type: (self platform varChar: 12). --> The parent is always an ObjectA

aTable createFieldNamed: 'child' type: (self platform varChar: 12). --> The child could be an ObjectA or an ObjectB

Could anybody help me with this? Is there another way to make a variable that is a collection that could store two or more kind of objects?

Thanks a lot.

Maximiliano

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