Associations to external entities

[ghferrari]

Would it be possible somehow to allow associations to entities which are not in the current classpath?

Suppose I have two Spring Modulith modules, Foo and Bar, each modelling their own aggregate. And suppose I want to allow Bar entities to refer to Foo entities by id. But, I want Bar to be as loosely coupled to Foo as possible, so I don't even want Bar to be allowed to reference Foo. (At the persistence level, we can imagine that the foo_id column on Bar entities is just a plain column (e.g. UUID) without a foreign key constraint. The same use case would occur if Foo and Bar were separate microservices.)

Since I don't want to be able to reference Foo from Bar, I can't write e.g.:

@Entity
public class Bar {
    
    private Association<Foo, FooIdentifier> foo;
...
}

... because I can't (and don't want to) be able to reference Foo from Bar.

However, I'd still like somehow to record that foo is a reference to the Foo aggregate, so that e.g. the automatic document generation would still work.

Is this possible with the current jmolecules? Or if not, could this feature possibly be added?

[ghferrari]

I guess what I'd like here is for the the @Association annotation to allow one to specify the fully qualified package name of the associated entity as a string and for the generated documentation to use it.