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.elasticsearch;
018
019import java.util.Properties;
020
021import org.elasticsearch.client.Client;
022import org.elasticsearch.client.transport.TransportClient;
023
024import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
025import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
026import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
027import org.springframework.boot.context.properties.EnableConfigurationProperties;
028import org.springframework.context.annotation.Bean;
029import org.springframework.context.annotation.Configuration;
030import org.springframework.data.elasticsearch.client.TransportClientFactoryBean;
031
032/**
033 * {@link org.springframework.boot.autoconfigure.EnableAutoConfiguration
034 * Auto-configuration} for Elasticsearch.
035 *
036 * @author Artur Konczak
037 * @author Mohsin Husen
038 * @author Andy Wilkinson
039 * @since 1.1.0
040 */
041@Configuration
042@ConditionalOnClass({ Client.class, TransportClientFactoryBean.class })
043@ConditionalOnProperty(prefix = "spring.data.elasticsearch", name = "cluster-nodes", matchIfMissing = false)
044@EnableConfigurationProperties(ElasticsearchProperties.class)
045public class ElasticsearchAutoConfiguration {
046
047        private final ElasticsearchProperties properties;
048
049        public ElasticsearchAutoConfiguration(ElasticsearchProperties properties) {
050                this.properties = properties;
051        }
052
053        @Bean
054        @ConditionalOnMissingBean
055        public TransportClient elasticsearchClient() throws Exception {
056                TransportClientFactoryBean factory = new TransportClientFactoryBean();
057                factory.setClusterNodes(this.properties.getClusterNodes());
058                factory.setProperties(createProperties());
059                factory.afterPropertiesSet();
060                return factory.getObject();
061        }
062
063        private Properties createProperties() {
064                Properties properties = new Properties();
065                properties.put("cluster.name", this.properties.getClusterName());
066                properties.putAll(this.properties.getProperties());
067                return properties;
068        }
069
070}