ext/elasticsearch/client-elasticsearch/src/main/java/org/apache/syncope/ext/elasticsearch/client/ElasticsearchClientContext.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.syncope.ext.elasticsearch.client;

import java.util.List;

import org.apache.http.HttpHost;
import org.apache.syncope.core.persistence.api.dao.AnyObjectDAO;
import org.apache.syncope.core.persistence.api.dao.GroupDAO;
import org.apache.syncope.core.persistence.api.dao.UserDAO;
import org.elasticsearch.client.RestHighLevelClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;

@Configuration
public class ElasticsearchClientContext {

    @ConditionalOnMissingBean
    @Bean
    public ElasticsearchClientFactoryBean elasticsearchClientFactoryBean() {
        return new ElasticsearchClientFactoryBean(
                List.of(new HttpHost("localhost", 9200, "http")));
    }

    @ConditionalOnMissingBean
    @Bean
    @Autowired
    public ElasticsearchUtils elasticsearchUtils(
            final @Lazy UserDAO userDAO,
            final @Lazy GroupDAO groupDAO,
            final @Lazy AnyObjectDAO anyObjectDAO) {

        ElasticsearchUtils utils = new ElasticsearchUtils(userDAO, groupDAO, anyObjectDAO);
        utils.setIndexMaxResultWindow(10000);
        utils.setRetryOnConflict(5);
        utils.setNumberOfShards(1);
        utils.setNumberOfReplicas(1);
        return utils;
    }

    @ConditionalOnMissingBean
    @Bean
    @Autowired
    public ElasticsearchIndexManager elasticsearchIndexManager(
            final RestHighLevelClient client,
            final ElasticsearchUtils elasticsearchUtils) {

        return new ElasticsearchIndexManager(client, elasticsearchUtils);
    }
}