io.springlets.data.jpa.repository

Interface DetachableJpaRepository<T,ID extends Serializable>

All Superinterfaces:

org.springframework.data.repository.CrudRepository<T,ID>, org.springframework.data.jpa.repository.JpaRepository<T,ID>, org.springframework.data.repository.PagingAndSortingRepository<T,ID>, org.springframework.data.repository.query.QueryByExampleExecutor<T>, org.springframework.data.repository.Repository<T,ID>

All Known Implementing Classes:

DetachableJpaRepositoryImpl

@NoRepositoryBean
public interface DetachableJpaRepository<T,ID extends Serializable>
extends org.springframework.data.jpa.repository.JpaRepository<T,ID>

JpaRepository extension to allow to get detached entities. This is useful if you want to make changes to an entity but you don't want those changes to be automatically persisted. For example, if you have the open session in view option active (by default in Spring Boot), and you want to use the JPA optimistic locking through the version field, coming from a form for example, and you want the binding to be performed on a loaded entity, it has to be a detached one.

Author:

Cèsar Ordiñana at http://www.disid.com[DISID Corporation S.L.]

Method Summary

Modifier and Type	Method and Description
T	findOneDetached(ID id) Retrieves an entity by its id and detaches it from the EntityManager.

Methods inherited from interface org.springframework.data.jpa.repository.JpaRepository

deleteAllInBatch, deleteInBatch, findAll, findAll, findAll, findAll, findAll, flush, getOne, save, saveAndFlush

Methods inherited from interface org.springframework.data.repository.PagingAndSortingRepository

findAll

Methods inherited from interface org.springframework.data.repository.CrudRepository

count, delete, delete, delete, deleteAll, exists, findOne, save

Methods inherited from interface org.springframework.data.repository.query.QueryByExampleExecutor

count, exists, findAll, findOne

Method Detail

findOneDetached

T findOneDetached(ID id)

Retrieves an entity by its id and detaches it from the EntityManager.

Parameters:

id - must not be null.

Returns:

the entity with the given id or null if none found

Throws:

IllegalArgumentException - if id is null