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Cassandra support for Spring Data
/*
* Copyright 2016-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.cassandra.repository;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.reactivestreams.Publisher;
import org.springframework.data.repository.NoRepositoryBean;
import org.springframework.data.repository.reactive.ReactiveCrudRepository;
/**
* Cassandra specific {@link org.springframework.data.repository.Repository} interface with reactive support.
*
* @author Mark Paluch
* @since 2.0
*/
@NoRepositoryBean
public interface ReactiveCassandraRepository extends ReactiveCrudRepository {
/**
* Inserts the given entity. Assumes the instance to be new to be able to apply insertion optimizations. Use the
* returned instance for further operations as the save operation might have changed the entity instance completely.
* Prefer using {@link #save(Object)} instead to avoid the usage of store-specific API.
*
* @param entity must not be {@literal null}.
* @return the saved entity
*/
Mono insert(S entity);
/**
* Inserts the given entities. Assumes the instance to be new to be able to apply insertion optimizations. Use the
* returned instance for further operations as the save operation might have changed the entity instance completely.
* Prefer using {@link #save(Object)} instead to avoid the usage of store-specific API.
*
* @param entities must not be {@literal null}.
* @return the saved entity
*/
Flux insert(Iterable entities);
/**
* Inserts the given a given entities. Assumes the instance to be new to be able to apply insertion optimizations. Use
* the returned instance for further operations as the save operation might have changed the entity instance
* completely. Prefer using {@link #save(Object)} instead to avoid the usage of store-specific API.
*
* @param entities must not be {@literal null}.
* @return the saved entity
*/
Flux insert(Publisher entities);
/**
* {@inheritDoc}
*
* Note: Cassandra supports single-field {@code IN} queries only. Fetches each row individually when using
* {@link MapId} with multiple components.
*/
@Override
Flux findAllById(Iterable iterable);
/**
* {@inheritDoc}
*
* Fetches each row individually.
*/
@Override
Flux findAllById(Publisher publisher);
}