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.actuate.autoconfigure.cassandra;
018
019import java.util.Map;
020
021import com.datastax.driver.core.Cluster;
022
023import org.springframework.boot.actuate.autoconfigure.health.CompositeHealthIndicatorConfiguration;
024import org.springframework.boot.actuate.autoconfigure.health.ConditionalOnEnabledHealthIndicator;
025import org.springframework.boot.actuate.autoconfigure.health.HealthIndicatorAutoConfiguration;
026import org.springframework.boot.actuate.cassandra.CassandraHealthIndicator;
027import org.springframework.boot.actuate.health.HealthIndicator;
028import org.springframework.boot.autoconfigure.AutoConfigureAfter;
029import org.springframework.boot.autoconfigure.AutoConfigureBefore;
030import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
031import org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfiguration;
032import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
033import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
034import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
035import org.springframework.boot.autoconfigure.data.cassandra.CassandraDataAutoConfiguration;
036import org.springframework.context.annotation.Bean;
037import org.springframework.context.annotation.Configuration;
038import org.springframework.data.cassandra.core.CassandraOperations;
039
040/**
041 * {@link EnableAutoConfiguration Auto-configuration} for
042 * {@link CassandraHealthIndicator}.
043 *
044 * @author Julien Dubois
045 * @author Stephane Nicoll
046 * @since 2.1.0
047 */
048@Configuration
049@ConditionalOnClass({ Cluster.class, CassandraOperations.class })
050@ConditionalOnBean(CassandraOperations.class)
051@ConditionalOnEnabledHealthIndicator("cassandra")
052@AutoConfigureBefore(HealthIndicatorAutoConfiguration.class)
053@AutoConfigureAfter({ CassandraAutoConfiguration.class,
054                CassandraDataAutoConfiguration.class,
055                CassandraReactiveHealthIndicatorAutoConfiguration.class })
056public class CassandraHealthIndicatorAutoConfiguration extends
057                CompositeHealthIndicatorConfiguration<CassandraHealthIndicator, CassandraOperations> {
058
059        private final Map<String, CassandraOperations> cassandraOperations;
060
061        public CassandraHealthIndicatorAutoConfiguration(
062                        Map<String, CassandraOperations> cassandraOperations) {
063                this.cassandraOperations = cassandraOperations;
064        }
065
066        @Bean
067        @ConditionalOnMissingBean(name = "cassandraHealthIndicator")
068        public HealthIndicator cassandraHealthIndicator() {
069                return createHealthIndicator(this.cassandraOperations);
070        }
071
072}