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.elasticsearch;
018
019import java.util.Map;
020
021import io.searchbox.client.JestClient;
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.elasticsearch.ElasticsearchHealthIndicator;
027import org.springframework.boot.actuate.elasticsearch.ElasticsearchJestHealthIndicator;
028import org.springframework.boot.actuate.health.HealthIndicator;
029import org.springframework.boot.autoconfigure.AutoConfigureAfter;
030import org.springframework.boot.autoconfigure.AutoConfigureBefore;
031import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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.elasticsearch.jest.JestAutoConfiguration;
036import org.springframework.context.annotation.Bean;
037import org.springframework.context.annotation.Configuration;
038
039/**
040 * {@link EnableAutoConfiguration Auto-configuration} for
041 * {@link ElasticsearchHealthIndicator} using the {@link JestClient}.
042 *
043 * @author Stephane Nicoll
044 * @since 2.1.0
045 */
046@Configuration
047@ConditionalOnClass(JestClient.class)
048@ConditionalOnBean(JestClient.class)
049@ConditionalOnEnabledHealthIndicator("elasticsearch")
050@AutoConfigureBefore(HealthIndicatorAutoConfiguration.class)
051@AutoConfigureAfter({ JestAutoConfiguration.class,
052                ElasticSearchClientHealthIndicatorAutoConfiguration.class })
053public class ElasticSearchJestHealthIndicatorAutoConfiguration extends
054                CompositeHealthIndicatorConfiguration<ElasticsearchJestHealthIndicator, JestClient> {
055
056        private final Map<String, JestClient> clients;
057
058        public ElasticSearchJestHealthIndicatorAutoConfiguration(
059                        Map<String, JestClient> clients) {
060                this.clients = clients;
061        }
062
063        @Bean
064        @ConditionalOnMissingBean(name = "elasticsearchHealthIndicator")
065        public HealthIndicator elasticsearchHealthIndicator() {
066                return createHealthIndicator(this.clients);
067        }
068
069        @Override
070        protected ElasticsearchJestHealthIndicator createHealthIndicator(JestClient client) {
071                return new ElasticsearchJestHealthIndicator(client);
072        }
073
074}