Interface Data.CrudRepository<E,ID>

Type Parameters:

E - the entity type

ID - the identifier type

All Superinterfaces:

Data.BasicRepository<E,ID>, Data.GenericRepository<E,ID>

Enclosing class:

Data

public static interface Data.CrudRepository<E,ID>
extends Data.BasicRepository<E,ID>

Data repository interface for CRUD entity operations. CRUD entity operations are:

• Create
• Read
• Update
• Delete

Method Summary

Modifier and Type	Method	Description
<T extends E> T	insert(T entity)	Insert provided entity.
<T extends E> Iterable<T>	insertAll(Iterable<T> entities)	Insert all provided entities.
<T extends E> T	update(T entity)	Update provided entity.
<T extends E> Iterable<T>	updateAll(Iterable<T> entities)	Update all provided entities.

Methods inherited from interface Data.BasicRepository

count, delete, deleteAll, deleteAll, deleteById, existsById, findAll, findById, save, saveAll

Modifier and Type	Method	Description
long	count()	Return the number of all entities of the E type.
void	delete(E entity)	Delete provided entity.
long	deleteAll()	Delete all entities of the E type.
void	deleteAll(Iterable<? extends E> entities)	Delete all provided entities.
long	deleteById(ID id)	Delete the entity with the given ID (primary key).
boolean	existsById(ID id)	Check whether entity with given ID (primary key) exists.
Stream<E>	findAll()	Return all entities of the E type.
Optional<E>	findById(ID id)	Find entity by ID (primary key) value.
<T extends E> T	save(T entity)	Save provided entity.
<T extends E> Iterable<T>	saveAll(Iterable<T> entities)	Save all provided entities.

Method Details

insert

<T extends E> T insert(T entity)

Insert provided entity. This method will insert a new record into the database. The operation will fail if the record is already present in the database.

Type Parameters:

T - type of the entity

Parameters:

entity - the entity to persist, shall not be null

Returns:

persisted entity, never returns null

Throws:

DataException - if the entity is null or the operation has failed

insertAll

<T extends E> Iterable<T> insertAll(Iterable<T> entities)

Insert all provided entities. This method will insert a new record into the database. The operation will fail if the record is already present in the database or entities are not unique.

Type Parameters:

T - type of the entity

Parameters:

entities - the entities to persist, shall not be null

Returns:

persisted entity, never returns null

Throws:

DataException - if the entity is null or the operation has failed

update

<T extends E> T update(T entity)

Update provided entity. This operation will fail if the record is not already present in the database.

Type Parameters:

T - type of the entity

Parameters:

entity - the entity to persist, shall not be null

Returns:

updated entity, never returns null

Throws:

DataException - if the entity is null or the operation has failed

updateAll

<T extends E> Iterable<T> updateAll(Iterable<T> entities)

Update all provided entities. This operation will fail if the record is not already present in the database.

Type Parameters:

T - type of the entity

Parameters:

entities - the entities to persist, shall not be null

Returns:

updated entities, never returns null

Throws:

DataException - if the entities are null or the operation has failed