Support for Value Objects

[Kurt Guenther]

Is there a way to use Value objects with MapStruct?    

A value object in this case is a non-modifiable object which usually has 'all final attributes' or val types in Kotlin, so it needs to be constructed by passing in all the attributes. 

[Kurt Guenther]

Any ideas?? 

[Christian]

Hi Kurt,

Instantiation via constructor arguments is not yet supported, but with version 1.3 builder-support was added.

So you can create a builder that is able to instantiate your object and MapStruct could use this one, see the documentation: https://mapstruct.org/documentation/stable/reference/html/#mapping-with-builders

As you mentioned Kotlin you might find something valuable for you here:

* https://github.com/mapstruct/mapstruct-examples/tree/master/mapstruct-kotlin
* https://github.com/mapstruct/mapstruct/issues/1672

Best regards,

Christian

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