/**
* Retrieves an entity by its id.
*
* @param id must not be {@literal null}.
* @return the entity with the given id or {@literal null} if none found
* @throws IllegalArgumentException if {@code id} is {@literal null}
*/
T findOne(ID id);
/**
* Returns a reference to the entity with the given identifier.
*
* @param id must not be {@literal null}.
* @return a reference to the entity with the given identifier.
* @see EntityManager#getReference(Class, Object)
*/
T getOne(ID id);
findOne返回实体
getOne返回实体的引用
spring-data-jpa中findOne与getOne的区别
最新推荐文章于 2024-09-15 22:03:47 发布