Package io.micronaut.data.hibernate.reactive.repository.jpa

Interface ReactiveStreamsJpaSpecificationExecutor<T>

Type Parameters:

T - The entity type

All Known Subinterfaces:

ReactorJpaSpecificationExecutor<T>

public interface ReactiveStreamsJpaSpecificationExecutor<T>

Interface to allow execution of Specifications based on the JPA criteria API. Reactive-streams version of JpaSpecificationExecutor.

Since:

3.5.0

Author:

Denis Stepanov

Method Summary

Modifier and Type	Method	Description
org.reactivestreams.Publisher<java.lang.Long>	count(Specification<T> spec)	Publishes the number of instances that the given Specification will return.
org.reactivestreams.Publisher<T>	findAll(Specification<T> spec)	Publishes all entities matching the given Specification.
org.reactivestreams.Publisher<Page<T>>	findAll(Specification<T> spec, Pageable pageable)	Publishes a Page of entities matching the given Specification.
org.reactivestreams.Publisher<T>	findAll(Specification<T> spec, Sort sort)	Publishes all entities matching the given Specification and Sort.
org.reactivestreams.Publisher<T>	findOne(Specification<T> spec)	Publishes a single entity matching the given Specification.

Method Detail

findOne

org.reactivestreams.Publisher<T> findOne(@Nullable
                                         Specification<T> spec)

Publishes a single entity matching the given Specification.

Parameters:

spec - can be null.

Returns:

never null.

findAll

org.reactivestreams.Publisher<T> findAll(@Nullable
                                         Specification<T> spec)

Publishes all entities matching the given Specification.

Parameters:

spec - can be null.

Returns:

never null.

findAll

org.reactivestreams.Publisher<Page<T>> findAll(@Nullable
                                               Specification<T> spec,
                                               Pageable pageable)

Publishes a Page of entities matching the given Specification.

Parameters:

spec - can be null.

pageable - must not be null.

Returns:

never null.

findAll

org.reactivestreams.Publisher<T> findAll(@Nullable
                                         Specification<T> spec,
                                         Sort sort)

Publishes all entities matching the given Specification and Sort.

Parameters:

spec - can be null.

sort - must not be null.

Returns:

never null.

count

org.reactivestreams.Publisher<java.lang.Long> count(@Nullable
                                                    Specification<T> spec)

Publishes the number of instances that the given Specification will return.

Parameters:

spec - the Specification to count instances for. Can be null.

Returns:

the number of instances.