Spring Data update mongodb Document with DBRF lazy attribute

Question

I want to update a MongoDB document containing a dbrf lazy attribute using spring data. First of all, I load the existing document, I change the attributes I want and after that, I call @Repository save method, but when I check the document in MongoDB the dbrf lazy attribute is null.

I tried to load the attribute before by calling getAttribute, but that doesn't fix the problem.

Someone could help me? Thanks

I have the Collection below:

@Data
@Document(collection = "calendriers")
public class CalendrierEntity {

    @Id
    @AutoGenerate(SequanceKey.CALENDRIER)
    private Long id;

    @NotNul 
    private String label;

    @NotNull
    private HorairesEntity horairesEntity;

    @DBRef(lazy = true)
    @CascadeSave
    @Getter(AccessLevel.NONE)
    private List<AbsenceEntity> absenceEntities;
}

and the repository bellow :

@Repository
public interface AbsenceRepository extends MongoRepository<CalendrierEntity, Long> {

    AbsenceEntity findById(Long enfantId, LocalDate localDate);
}

I have calendrier document with Id 1L and want to update his label. The calendrier document have allready a list of Absences.

this my code to update the label.

@Transactional
public void updateLabelCalendrier(Long id, String label){
CalendrierEntity calendrier  = calenderRepository.findById(1L);
calendrier.setLabel(label);
calenderRepository.save(calendrier);
}

but when i check data in mongodb, i have the new label but my list of absences became null.

What have you tried? and how your collection records look like, please post here including what query have you run? — krishna Prasad, Dec 04 '19 at 04:59
can you share your sample document and code you have approached as of now? — Oliver, Dec 04 '19 at 06:15
@G.Issam Which version of `spring-data-mongodb` are you using? — krishna Prasad, Dec 05 '19 at 01:38
@G.Issam What are the values of `absenceEntities` in the collection `calendriers`? Is it a list of `ObjectId` of the collection `AbsenceEntity`? — krishna Prasad, Dec 05 '19 at 01:43
`@CascadeSave` is no SpringData provided annotation. Do you use some custom code to evaluate it — Christoph Strobl, Dec 06 '19 at 09:04

Spring Data update mongodb Document with DBRF lazy attribute

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