Dozer hint to MapStruct ?

[Rob Dog]

Using Hints for Collection Mapping

6. Mapping collections

So given the links above, I'm not sure that there is an equivalent way to map collections in MapStruct, please advise me.

Case in point:

   <mapping> 

   <class-a >com.nirvana.PatientMedicationAdherence</class-a>

   <class-b>com.nirvana.PatientAdherence</class-b> 

    <field>

        <a>medicationAdherence</a>

        <b>medicationAdherenceList</b>

        <a-hint>com.nirvana.MedicationAdherence</a-hint>

        <b-hint>com.nirvana.core.MedicationAdherence</b-hint>

   </field>

   </mapping>

In the example above, the type in the list is a base class or interface for the classes specified in the mapping (class-a and class-b).

@Mapper
public interface NirvanaMapper {

    List<com.nirvana.core.MedicationAdherence> MedAdhereToCoreMedAdhereList(List<com.nirvana.MedicationAdherence> elements);

    List<PatientAdherence> patientMedicationAdherencesToPatientAdherences(List<PatientMedicationAdherence> patientMedicationAdherences);

    PatientAdherence patientMedicationAdherenceToPatientAdherence(PatientMedicationAdherences patientMedicationAdherence);
}

Does this seem the correct mapper, or am I completely misunderstanding this?

[Andreas Gudian]

You'll probably need to declare another method to map the single MedicationAdherence beans.

If one of your target bean types is an interface/abstract class, the you could define a factory method to provide a new instance of the target type.

If there are multiple possibilities, you might want to follow the pattern described in this issue: 

https://github.com/mapstruct/mapstruct/issues/131

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