Mapstruct - 為從基礎 class 繼承的所有類生成映射器？

Question

我有一個 Mapstruct 映射器，用於將傳入請求與現有數據合並 - 映射器看起來像這樣

@Mapper(uses = ProtoMapperUtil.class,
    collectionMappingStrategy = CollectionMappingStrategy.ADDER_PREFERRED,
    unmappedTargetPolicy = ReportingPolicy.IGNORE,
    nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS)
public interface FooEntityMapper extends BaseMapper<FooEntity> {
    FooEntityMapper INSTANCE = Mappers.getMapper(FooEntityMapper.class);
}

BaseMapper看起來像這樣

public interface BaseMapper<T extends BaseEntity> {
    T merge(T var1, @MappingTarget T var2);
}

考慮到我有多個實體，比如FooEntity並且它們都擴展BaseEntity ，我必須為每個實體手動定義一個映射器——我真的不需要這樣做，因為功能不會跨類改變。 有沒有辦法在全局級別（？）定義 Mapstruct 屬性，以便它為從BaseEntity擴展的每個 bean 自動生成一個映射器？

Answer 1

和你一樣，我在舊項目中使用了 BaseEntity。 這就是我配置映射器的方式。

public interface BaseMapper {

    BaseEntity toBaseEntity(BaseDTO baseDTO);
  
    BaseDTO toBaseDTO(BaseEntity baseEntity);

}    

在 foo Mapper 上，您必須將 BaseMapper 添加為配置。

@Mapper(
    config = BaseMapper.class,
    uses = { ProtoMapperUtil.class,
             collectionMappingStrategy = CollectionMappingStrategy.ADDER_PREFERRED,
             unmappedTargetPolicy = ReportingPolicy.IGNORE,
             nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS})
public interface FooEntityMapper {

    FooEntityMapper INSTANCE = Mappers.getMapper(FooEntityMapper.class);

    //I don't remember if you need or not to declare the @InheritConfiguration
    //@InheritConfiguration(name = "toBaseDTO")
    FooDTO toFooDTO(FooEntity fooEntity)

}