I've got a `MutableMap<Name, @Polymorphic T>...

# serialization

[altavir]

I've got a MutableMap<Name, @Polymorphic T> field, where Name is an inline class. I have custom serializer for name. Is it possible to somehow implement a serializer for the map inheriting polymorphic behavior?

[Dominaezzz]

(Name.serializer() to T.serializer()).map.

[altavir]

how can I inject it in the class containing the field? Do I need to rebuild the whole serializer for the class ( and its ancestors)?

[Dominaezzz]

Oh. In that case you shouldn't have to do anything. As long as you've annotated Name with @Serializable(...) I think.

[altavir]

No, it does not work for inline class

[Dominaezzz]

Oh, even MutableMap<@UseSerializers(....) Name, @Polymorphic T>?

[altavir]

Let me try it

[altavir]

UseSerializers could be used only on the file level and it does not help

[altavir]

Still got inline classes not supported

[Dominaezzz]

The only thing I can think of is to implement a custom serializer for the whole thing. MutableMap<Name, @Polymorphic T>.

[altavir]

Yeah, that was my thought as well, I just do not know how to implement polymorphic serializer

[Dominaezzz]

You don't have to, you can just use T.serializer().

[altavir]

I will try, It does not play well with IDEA, but maybe it will work after compillation

[Dominaezzz]

Btw, are you only dealing with json?

[altavir]

For now I use JSON, but in future I want to also access more compact formats

[altavir]

It does not work even with custom serializer for the whole map. Check for inline class breaks everything

[altavir]

@sandwwraith It seems like a bug to me. Inline class check should not block serializator override

[Dominaezzz]

As a workaround, you can cast the Decoder to JsonInput and just manually parse.

[altavir]

I've replaced Name by `String for now, since it is an internal property, but it requires a few additional conversions, which are not free (Name is not a String,but a List of Strings)

[sandwwraith]

Unfortunately, current design solution is 'not allow inline classes serialization until it is implemented'. Allowing custom serializers is not enough – inline classes require additional code for wrapping/unwrapping on use site, no matter what serializer you use