我想实现我自己的RecordMapper
并使用 Mapstruct 将 Record 映射到 POJO。我不太明白如何实现这一点。我遵循了文档的这一部分:https://www.jooq.org/doc/3.13/manual/sql-execution/fetching/pojos-with-recordmapper-provider/ https://www.jooq.org/doc/3.13/manual/sql-execution/fetching/pojos-with-recordmapper-provider/
我的映射器看起来像这样:
public class LanguageMapper<R extends Record, E> implements RecordMapper<R, Language> {
@Override
public Language map(R record) {
LanguageRecord languageRecord = (LanguageRecord) record;
// this is just an example, in the future this is the kind of mapping that would be performed automatically via mapstruct
return new Language(
languageRecord.getId(),
languageRecord.getNamespaceId(),
languageRecord.getLanguage(),
languageRecord.getCountryCode(),
languageRecord.getLanguageTag()
);
}
}
问题是,作为一个record
我实际上并没有得到LanguageRecord
but a RecordImpl
我的语言表,因此无法投射record
to LanguageRecord
。知道我需要改变什么吗?
使用时有什么有趣的RecordImpl
是,如果我做这样的事情
record.get(LANGUAGE.LANGUAGE_TAG);
它已经获得了错误的信息(它正在获得 LANGUAGE.NAMESPACE_ID)。因此,当像这样获取它然后将其映射到 POJO 时,它也会是错误的。
(根据这个问题创建了这个问题JOOQ 中的 POJO 映射,无论参数顺序如何 https://stackoverflow.com/questions/60926102/pojo-mapping-in-jooq-regardless-of-parameter-order)