001/*
002 * Copyright 2012-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.autoconfigure.data.cassandra;
018
019import com.datastax.driver.core.Cluster;
020import com.datastax.driver.core.Session;
021import reactor.core.publisher.Flux;
022
023import org.springframework.boot.autoconfigure.AutoConfigureAfter;
024import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
025import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
026import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
027import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
028import org.springframework.context.annotation.Bean;
029import org.springframework.context.annotation.Configuration;
030import org.springframework.data.cassandra.ReactiveSession;
031import org.springframework.data.cassandra.ReactiveSessionFactory;
032import org.springframework.data.cassandra.core.ReactiveCassandraTemplate;
033import org.springframework.data.cassandra.core.convert.CassandraConverter;
034import org.springframework.data.cassandra.core.cql.session.DefaultBridgedReactiveSession;
035import org.springframework.data.cassandra.core.cql.session.DefaultReactiveSessionFactory;
036
037/**
038 * {@link EnableAutoConfiguration Auto-configuration} for Spring Data's reactive Cassandra
039 * support.
040 *
041 * @author Eddú Meléndez
042 * @author Mark Paluch
043 * @since 2.0.0
044 */
045@Configuration
046@ConditionalOnClass({ Cluster.class, ReactiveCassandraTemplate.class, Flux.class })
047@ConditionalOnBean(Session.class)
048@AutoConfigureAfter(CassandraDataAutoConfiguration.class)
049public class CassandraReactiveDataAutoConfiguration {
050
051        @Bean
052        @ConditionalOnMissingBean
053        public ReactiveSession reactiveCassandraSession(Session session) {
054                return new DefaultBridgedReactiveSession(session);
055        }
056
057        @Bean
058        public ReactiveSessionFactory reactiveCassandraSessionFactory(
059                        ReactiveSession reactiveCassandraSession) {
060                return new DefaultReactiveSessionFactory(reactiveCassandraSession);
061        }
062
063        @Bean
064        @ConditionalOnMissingBean
065        public ReactiveCassandraTemplate reactiveCassandraTemplate(
066                        ReactiveSession reactiveCassandraSession, CassandraConverter converter) {
067                return new ReactiveCassandraTemplate(reactiveCassandraSession, converter);
068        }
069
070}