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

Interface ReactiveStreamsJpaSpecificationExecutor<T>

Type Parameters:

T - The entity type

All Known Subinterfaces:

ReactorJpaSpecificationExecutor<T>

public interface ReactiveStreamsJpaSpecificationExecutor<T>

Interface representing reactive streams version of JpaSpecificationExecutor.

Since:

3.2

Author:

Denis Stepanov

Method Summary

Modifier and Type	Method	Description
org.reactivestreams.Publisher<java.lang.Long>	count(PredicateSpecification<T> spec)	Returns the number of instances that the given QuerySpecification will return.
org.reactivestreams.Publisher<java.lang.Long>	count(QuerySpecification<T> spec)	Returns the number of instances that the given QuerySpecification will return.
org.reactivestreams.Publisher<java.lang.Long>	deleteAll(DeleteSpecification<T> spec)	Deletes all entities matching the given DeleteSpecification.
org.reactivestreams.Publisher<java.lang.Long>	deleteAll(PredicateSpecification<T> spec)	Deletes all entities matching the given PredicateSpecification.
org.reactivestreams.Publisher<java.lang.Boolean>	exists(PredicateSpecification<T> spec)	Returns whether an instance was found for the given PredicateSpecification.
org.reactivestreams.Publisher<java.lang.Boolean>	exists(QuerySpecification<T> spec)	Returns whether an instance was found for the given QuerySpecification.
org.reactivestreams.Publisher<T>	findAll(PredicateSpecification<T> spec)	Returns all entities matching the given PredicateSpecification.
org.reactivestreams.Publisher<Page<T>>	findAll(PredicateSpecification<T> spec, Pageable pageable)	Returns a Page of entities matching the given PredicateSpecification.
org.reactivestreams.Publisher<T>	findAll(PredicateSpecification<T> spec, Sort sort)	Returns all entities matching the given QuerySpecification and Sort.
org.reactivestreams.Publisher<T>	findAll(QuerySpecification<T> spec)	Returns all entities matching the given QuerySpecification.
org.reactivestreams.Publisher<Page<T>>	findAll(QuerySpecification<T> spec, Pageable pageable)	Returns a Page of entities matching the given QuerySpecification.
org.reactivestreams.Publisher<T>	findAll(QuerySpecification<T> spec, Sort sort)	Returns all entities matching the given QuerySpecification and Sort.
org.reactivestreams.Publisher<T>	findOne(PredicateSpecification<T> spec)	Returns a single entity matching the given PredicateSpecification.
org.reactivestreams.Publisher<T>	findOne(QuerySpecification<T> spec)	Returns a single entity matching the given QuerySpecification.
org.reactivestreams.Publisher<java.lang.Long>	updateAll(UpdateSpecification<T> spec)	Updates all entities matching the given UpdateSpecification.

Method Detail

findOne

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

Returns a single entity matching the given QuerySpecification.

Parameters:

spec - The query specification

Returns:

optional found result

findOne

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

Returns a single entity matching the given PredicateSpecification.

Parameters:

spec - The query specification

Returns:

optional found result

findAll

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

Returns all entities matching the given QuerySpecification.

Parameters:

spec - The query specification

Returns:

found results

findAll

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

Returns all entities matching the given PredicateSpecification.

Parameters:

spec - The query specification

Returns:

found results

findAll

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

Returns a Page of entities matching the given QuerySpecification.

Parameters:

spec - The query specification

pageable - The pageable object

Returns:

a page

findAll

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

Returns a Page of entities matching the given PredicateSpecification.

Parameters:

spec - The query specification

pageable - The pageable object

Returns:

a page

findAll

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

Returns all entities matching the given QuerySpecification and Sort.

Parameters:

spec - The query specification

sort - The sort object

Returns:

found results

findAll

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

Returns all entities matching the given QuerySpecification and Sort.

Parameters:

spec - The query specification

sort - The sort object

Returns:

found results

count

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

Returns the number of instances that the given QuerySpecification will return.

Parameters:

spec - The query specification

Returns:

the number of instances.

count

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

Returns the number of instances that the given QuerySpecification will return.

Parameters:

spec - The query specification

Returns:

the number of instances.

exists

@NonNull
org.reactivestreams.Publisher<java.lang.Boolean> exists(@Nullable
                                                        QuerySpecification<T> spec)

Returns whether an instance was found for the given QuerySpecification.

Parameters:

spec - The query specification

Returns:

the number of instances.

Since:

3.8

exists

@NonNull
org.reactivestreams.Publisher<java.lang.Boolean> exists(@Nullable
                                                        PredicateSpecification<T> spec)

Returns whether an instance was found for the given PredicateSpecification.

Parameters:

spec - The query specification

Returns:

the number of instances.

Since:

3.8

deleteAll

@NonNull
org.reactivestreams.Publisher<java.lang.Long> deleteAll(@Nullable
                                                        DeleteSpecification<T> spec)

Deletes all entities matching the given DeleteSpecification.

Parameters:

spec - The delete specification

Returns:

the number records deleted.

deleteAll

@NonNull
org.reactivestreams.Publisher<java.lang.Long> deleteAll(@Nullable
                                                        PredicateSpecification<T> spec)

Deletes all entities matching the given PredicateSpecification.

Parameters:

spec - The delete specification

Returns:

the number records deleted.

updateAll

@NonNull
org.reactivestreams.Publisher<java.lang.Long> updateAll(@Nullable
                                                        UpdateSpecification<T> spec)

Updates all entities matching the given UpdateSpecification.

Parameters:

spec - The update specification

Returns:

the number records updated.