我使用mapstruct mapper执行以下操作:
将实体Map到dto
将数据Map到实体以进行创建和更新操作
我准备好了 unmappedTargetPolicy = ReportingPolicy.ERROR
在mapperconfig中,如果某个对象未Map,则会收到通知。
实体到dtoMap自动Map所有dto的目标字段。我希望在反向Map(dto to entity)中应用完全相同的字段集。所以在这种情况下可以忽略未Map的目标字段。我用 @InheritInverseConfiguration
对于反向Map。它是有效的,但我必须明确地补充 @Mapping(target = "field1", ignore = true)
跳过dto中不存在的实体的目标字段。
如何避免手动添加忽略Map @InheritInverseConfiguration
? 我可以考虑申请 unmappedTargetPolicy = ReportingPolicy.IGNORE
Map方法级和/或 @InheritInverseConfiguration
水平。我在mapstruct注解中没有发现这种可能性。
@MapperConfig(componentModel = "spring", unmappedTargetPolicy = ReportingPolicy.ERROR,
typeConversionPolicy = ReportingPolicy.ERROR)
public interface CommonMapperConfig {
}
@Mapper(config = CommonMapperConfig.class)
public interface AnimalMapper {
AnimalDto getAnimal(Animal animal);
@InheritInverseConfiguration
@Mapping(target = "id", ignore = true)
// todo how to avoid explicitly ignore of field?
@Mapping(target = "field1", ignore = true)
@Mapping(target = "field2", ignore = true)
Animal createAnimal(AnimalDto animalDto);
@InheritConfiguration
void updateAnimal(AnimalDto animalDto, @MappingTarget Animal animal);
}
更新1。我根据git中的一个示例找到了一个解决方法https://github.com/mapstruct/mapstruct-examples/blob/master/mapstruct-suppress-unmapped/src/main/java/org/mapstruct/jpa/sourcetargetmapper.java . 诀窍是使用额外的Map器 unmappedTargetPolicy = ReportingPolicy.IGNORE
.
有趣的是
@Mapper(config = CommonMapperConfig.class, uses = AnimalMapper.ChangeAnimalMapper.class)
public abstract class AnimalMapper {
@Autowired
ChangeAnimalMapper changeAnimalMapper;
public abstract AnimalDto getAnimal(Animal animal);
public Animal createAnimal(AnimalDto animalDto) {
return changeAnimalMapper.createAnimal(animalDto);
}
public void updateAnimal(AnimalDto animalDto, @MappingTarget Animal animal) {
changeAnimalMapper.updateAnimal(animalDto, animal);
}
/**
* Internal mapper to avoid unmapped target errors for inverse mappings
*/
@Mapper(config = CommonMapperConfig.class, unmappedTargetPolicy = ReportingPolicy.IGNORE)
public interface ChangeAnimalMapper {
@InheritInverseConfiguration
@Mapping(target = "id", ignore = true)
Animal createAnimal(AnimalDto animalDto);
@InheritConfiguration
void updateAnimal(AnimalDto animalDto, @MappingTarget Animal animal);
}
}
暂无答案!
目前还没有任何答案,快来回答吧!