Module io.helidon.data

Package io.helidon.data

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 io.helidon.data.Data.BasicRepository

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

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