org.springframework.data.jpa.repository

Interface JpaRepository<T,ID extends Serializable>

All Superinterfaces:

CrudRepository<T,ID>, PagingAndSortingRepository<T,ID>, QueryByExampleExecutor<T>, Repository<T,ID>

All Known Implementing Classes:

QueryDslJpaRepository, SimpleJpaRepository

@NoRepositoryBean
public interface JpaRepository<T,ID extends Serializable>
extends PagingAndSortingRepository<T,ID>, QueryByExampleExecutor<T>

JPA specific extension of Repository.

Author:

Oliver Gierke, Christoph Strobl, Mark Paluch

Method Summary

Modifier and Type	Method and Description
void	deleteAllInBatch() Deletes all entities in a batch call.
void	deleteInBatch(Iterable<T> entities) Deletes the given entities in a batch which means it will create a single Query.
List<T>	findAll()
<S extends T> List<S>	findAll(Example<S> example)
<S extends T> List<S>	findAll(Example<S> example, Sort sort)
List<T>	findAll(Iterable<ID> ids)
List<T>	findAll(Sort sort)
void	flush() Flushes all pending changes to the database.
T	getOne(ID id) Returns a reference to the entity with the given identifier.
<S extends T> List<S>	save(Iterable<S> entities)
<S extends T> S	saveAndFlush(S entity) Saves an entity and flushes changes instantly.

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

findAll

List<T> findAll()

Specified by:

findAll in interface CrudRepository<T,ID extends Serializable>

findAll

List<T> findAll(Sort sort)

Specified by:

findAll in interface PagingAndSortingRepository<T,ID extends Serializable>

findAll

List<T> findAll(Iterable<ID> ids)

Specified by:

findAll in interface CrudRepository<T,ID extends Serializable>

save

<S extends T> List<S> save(Iterable<S> entities)

Specified by:

save in interface CrudRepository<T,ID extends Serializable>

flush

void flush()

Flushes all pending changes to the database.

saveAndFlush

<S extends T> S saveAndFlush(S entity)

Saves an entity and flushes changes instantly.

Parameters:

entity -

Returns:

the saved entity

deleteInBatch

void deleteInBatch(Iterable<T> entities)

Deletes the given entities in a batch which means it will create a single Query. Assume that we will clear the EntityManager after the call.

Parameters:

entities -

deleteAllInBatch

void deleteAllInBatch()

Deletes all entities in a batch call.

getOne

T getOne(ID id)

Returns a reference to the entity with the given identifier.

Parameters:

id - must not be null.

Returns:

a reference to the entity with the given identifier.

See Also:

EntityManager.getReference(Class, Object)

findAll

<S extends T> List<S> findAll(Example<S> example)

Specified by:

findAll in interface QueryByExampleExecutor<T>

findAll

<S extends T> List<S> findAll(Example<S> example,
                              Sort sort)

Specified by:

findAll in interface QueryByExampleExecutor<T>