Support for custom constructor for Mappers

[Ishan Bansal]

I have a scenario

class CarMapper {

    

    public CarMapper(some args) {

         //some instantiation logic

    }

    

    Car map(CarDTO dto);

    CarDTO map(Car car);

}

Can we have support in map-struct to generate impls even if the default constructor is absent?

[Gunnar Morling]

Hi,

We have scheduled support for mapping target types with custom
constructors for MapStruct 1.1 (see
https://github.com/mapstruct/mapstruct/issues/73), so far no one had
the need for mappers with non-default constructors.

It should be no problem for Spring/CDI, so I suppose you are working
with the default component model? We could add another method
getMappers(Object... args) to the Mappers factory. But we'd have no
way for checking type correctness, so that'd be on the user. It still
would not work for mappers referenced via @Mapper#uses(), though.

Cheers,

--Gunnar

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