jakarta.nosql.mapping

Interface Repository<T,K>

Type Parameters:

T - the bean type

K - the K type

public interface Repository<T,K>

Interface to generic CRUD operations on a repository for a specific type.

The interface that extends need to be recovered by CDI, so either the bean-discovery-mode="all" be set in bean.xml or define a scope in the interface.

https://docs.jboss.org/cdi/spec/2.0/cdi-spec.html#default_bean_discovery

The query builder mechanism built into Jakarta NoSQL Mapping repository infrastructure is useful for building constraining queries over entities of the repository. The mechanism strips the prefixes is defined by:

findBy: to select any information T

deleteBy: To delete any information T

Jakarta NoSQL Mapping has some keywords on method:

And

Or

Between

LessThan

GreaterThan

LessThanEqual

GreaterThanEqual

Like

In

OrderBy

OrderBy____Desc

OrderBy_____ASC

Method Summary

Modifier and Type	Method and Description
long	count() Returns the number of entities available.
void	deleteById(Iterable<K> ids) Deletes the entity with the given ids.
void	deleteById(K id) Deletes the entity with the given id.
boolean	existsById(K id) Returns whether an entity with the given id exists.
Iterable<T>	findById(Iterable<K> ids) Finds the entities given ids
Optional<T>	findById(K id) Finds an entity given the id
<S extends T> Iterable<S>	save(Iterable<S> entities) Saves entity each NoSQL vendor might replace to a more appropriate one.
<S extends T> S	save(S entity) Saves entity

Method Detail

save

<S extends T> S save(S entity)

Saves entity

Type Parameters:

S - the entity type

Parameters:

entity - entity to be saved

Returns:

the entity saved

Throws:

NullPointerException - when document is null

save

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

Saves entity each NoSQL vendor might replace to a more appropriate one.

Type Parameters:

S - the entity type

Parameters:

entities - entities to be saved

Returns:

the entity saved

Throws:

NullPointerException - when entities is null

deleteById

void deleteById(K id)

Deletes the entity with the given id.

Parameters:

id - the id

Throws:

NullPointerException - when id is null

deleteById

void deleteById(Iterable<K> ids)

Deletes the entity with the given ids.

Parameters:

ids - the ids

Throws:

NullPointerException - when either ids or same element is null

findById

Optional<T> findById(K id)

Finds an entity given the id

Parameters:

id - the id

Returns:

the entity given the K

Throws:

NullPointerException - when id is null

findById

Iterable<T> findById(Iterable<K> ids)

Finds the entities given ids

Parameters:

ids - the ids

Returns:

the entities from ids

Throws:

NullPointerException - when the id is null

existsById

boolean existsById(K id)

Returns whether an entity with the given id exists.

Parameters:

id - the id

Returns:

if the entity does exist or not

Throws:

NullPointerException - when id is null

count

long count()

Returns the number of entities available.

Returns:

the number of entities