Metamodel with only abstact classes can not be generated

[Barais]

If I create a metamodel with only abstract classes to modularize some concepts between several metamodels. Kotline generator does not generate the ModelSerializor class.

[Grégory Nain]

If you have only abstract model elements, you'll never have concrete elements to load or serialize...
As you can not create model element instances of an abstract type, you'll never have anything to serialize.

[Brice Morin]

Unless you link your different metamodels to the abstract metamodel (by inheritance), in order to obtain one big metamodel.

[Barais]

Exactly

2013/4/23 Brice Morin [e-mail]

Unless you link your different metamodels to the abstract metamodel (by
inheritance), in order to obtain one big metamodel.

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[Grégory Nain]

Do you mean you have,
(1) in concrete metamodels, model elements that extend some of the Abstract metamodel;
or (2) the abstract metamodel is composed by gathering abstract elements from several metamodels (containing concrete elements) ?
In the first case I'm not sure about what we can do if we do not start from the concrete metamodel.
In the second, we may follow the EMF proxies to generate also the linked elements...

[Fouquet François]

Managed since 1.6.0 - for abstract classes impl are not generated but stilll interfaces are for typing purpose .