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 */
016package org.springframework.boot.actuate.autoconfigure.cassandra;
017
018import java.util.Map;
019
020import com.datastax.driver.core.Cluster;
021import reactor.core.publisher.Flux;
022
023import org.springframework.boot.actuate.autoconfigure.health.CompositeReactiveHealthIndicatorConfiguration;
024import org.springframework.boot.actuate.autoconfigure.health.ConditionalOnEnabledHealthIndicator;
025import org.springframework.boot.actuate.autoconfigure.health.HealthIndicatorAutoConfiguration;
026import org.springframework.boot.actuate.cassandra.CassandraReactiveHealthIndicator;
027import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
028import org.springframework.boot.autoconfigure.AutoConfigureAfter;
029import org.springframework.boot.autoconfigure.AutoConfigureBefore;
030import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
031import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
032import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
033import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
034import org.springframework.boot.autoconfigure.data.cassandra.CassandraReactiveDataAutoConfiguration;
035import org.springframework.context.annotation.Bean;
036import org.springframework.context.annotation.Configuration;
037import org.springframework.data.cassandra.core.ReactiveCassandraOperations;
038
039/**
040 * {@link EnableAutoConfiguration Auto-configuration} for
041 * {@link CassandraReactiveHealthIndicator}.
042 *
043 * @author Artsiom Yudovin
044 * @author Stephane Nicoll
045 * @since 2.1.0
046 */
047@Configuration
048@ConditionalOnClass({ Cluster.class, ReactiveCassandraOperations.class, Flux.class })
049@ConditionalOnBean(ReactiveCassandraOperations.class)
050@ConditionalOnEnabledHealthIndicator("cassandra")
051@AutoConfigureBefore(HealthIndicatorAutoConfiguration.class)
052@AutoConfigureAfter(CassandraReactiveDataAutoConfiguration.class)
053public class CassandraReactiveHealthIndicatorAutoConfiguration extends
054                CompositeReactiveHealthIndicatorConfiguration<CassandraReactiveHealthIndicator, ReactiveCassandraOperations> {
055
056        private final Map<String, ReactiveCassandraOperations> reactiveCassandraOperations;
057
058        public CassandraReactiveHealthIndicatorAutoConfiguration(
059                        Map<String, ReactiveCassandraOperations> reactiveCassandraOperations) {
060                this.reactiveCassandraOperations = reactiveCassandraOperations;
061        }
062
063        @Bean
064        @ConditionalOnMissingBean(name = "cassandraReactiveHealthIndicator")
065        public ReactiveHealthIndicator cassandraHealthIndicator() {
066                return createHealthIndicator(this.reactiveCassandraOperations);
067        }
068
069}