Spring开机MongoDB带版本注解的字段不自增

Question

这个问题之前问过好几次了，但是这些问题的答案都不适合我。

这是我的图书文件

@Document
@NoArgsConstructor
@ToString
@Getter
@Setter
@EqualsAndHashCode
public class Book
{
    @Id
    private String id;
    @Indexed
    private String name;
    private Double price;
    private Integer stock;
    @Version
    private Integer version;

    public Book(String name, Integer stock, Double price)
    {
        this.name = name;
        this.stock = stock;
        this.price = price;
    }
}

这是我的 bookRepository 实现

public interface BookRepository extends MongoRepository<Book, String>
{
}

这是我的 customBookRepository 实现

@Repository
public class CustomBookRepository
{
    private final BookRepository bookRepository;

    @Autowired
    private MongoTemplate mongoTemplate;

    public CustomBookRepository(BookRepository bookRepository)
    {
        this.bookRepository = bookRepository;
    }

    public Book save(Book book)
    {
        return bookRepository.save(book);
    }

    public Optional<Book> findById(String id)
    {
        return bookRepository.findById(id);
    }

    public boolean updateQuantity(Integer stock, String id)
    {
        BasicDBObject query = new BasicDBObject();
        query.put("_id", new ObjectId(id)); // (1)

        BasicDBObject newDocument = new BasicDBObject();
        newDocument.put("stock", stock); // (2)

        BasicDBObject updateObject = new BasicDBObject();
        updateObject.put("$set", newDocument); // (3)

        final UpdateResult book = mongoTemplate.getCollection("book").updateOne(query, updateObject);
        return book.wasAcknowledged();
    }
}

版本没有改变，在我每次更新实体时它都保持为 0。（例如 updateQuantity()）

我试过添加注解@EnableMongoAuditing

@SpringBootApplication
@EnableMongoAuditing
public class ReadingIsGoodApplication
{

    public static void main(String[] args)
    {
        SpringApplication.run(ReadingIsGoodApplication.class, args);
    }
}

它没有改变任何东西。

Answer 1

不要使用“自定义存储库”

使用 jpa 方法 save/update。然后将更新版本字段。

Spring开机MongoDB带版本注解的字段不自增

Spring Boot MongoDB the field with version annotation does not increment

java

mongodb

spring-boot

optimistic-locking