com.centit.search.service.IndexerSearcherFactory Maven / Gradle / Ivy

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package com.centit.search.service;

import com.centit.search.service.Impl.ESIndexer;
import com.centit.search.service.Impl.ESSearcher;
import com.centit.support.algorithm.NumberBaseOpt;
import com.centit.support.file.PropertiesReader;
import org.apache.commons.lang3.StringUtils;

import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;

/**
 * Created by codefan on 17-6-22.
 */
@SuppressWarnings("unused")
public abstract class IndexerSearcherFactory {

    private static ConcurrentHashMap indexerMap
            = new ConcurrentHashMap<>();

    private static ConcurrentHashMap searcherMap
            = new ConcurrentHashMap<>();


    /**
     * 创建 索引客户端，或者 返回已经创建的 客户端
     *
     * @param config elastic search 服务器的配置信息
     * @param objTypes 索引对象类型
     * @return Indexer 索引器
     */

    public static Indexer obtainIndexer(ESServerConfig config, Class ... objTypes) {
        Indexer index = indexerMap.get(config.getIndexName());
        if(index!=null)
            return index;
        ESIndexer indexer = new ESIndexer(config);
        if(indexer.createIndexIfNotExist()){
            indexer.initMappingType(objTypes);
        }
        indexerMap.put(config.getIndexName(),indexer);
        return indexer;
    }

    /**
     * 创建 检索客户端，或者 返回已经创建的 客户端
     *
     * @param config elastic search 服务器的配置信息
     * @param objTypes 索引对象类型
     * @return Indexer 检索器
     */

    public static Searcher obtainSearcher(ESServerConfig config, Class ... objTypes) {
        Searcher search = searcherMap.get(config.getIndexName());
        if(search!=null)
            return search;
        ESSearcher searcher = new ESSearcher(config);
        searcher.initTypeFields(objTypes);
        searcher.setHightPreTags(new String[]{""});
        searcher.setHightPostTags(new String[]{""});
        searcherMap.put(config.getIndexName(),searcher);
        return searcher;
    }

    /**
     * 从 属性文件 中读取 elastic search 服务器的配置信息
     * @param properties 属性文件
     * @return elastic search 服务器的配置信息
     */
    public static ESServerConfig loadESServerConfigFormProperties(Properties properties  ){

        ESServerConfig config = new ESServerConfig();
        config.setServerHostIp(properties.getProperty("elasticsearch.server.ip"));
        config.setServerHostPort(NumberBaseOpt.castObjectToInteger(
                properties.getProperty("elasticsearch.server.port")));
        config.setClusterName(properties.getProperty("elasticsearch.server.cluster"));
        config.setIndexName(
                StringUtils.lowerCase(properties.getProperty("elasticsearch.index")));
        config.setOsId(properties.getProperty("elasticsearch.osId"));

        config.setMinScore(NumberBaseOpt.parseFloat(
                properties.getProperty("elasticsearch.filter.minScore"), 0.5f));
        return config;
    }

    public static ESServerConfig loadESServerConfigFormProperties(String propertiesFile ){
        Properties properties = PropertiesReader.getClassPathProperties(propertiesFile);
        return loadESServerConfigFormProperties(properties);
    }
}
com.centit.search.service.IndexerSearcherFactory Maven / Gradle / Ivy

"}); searcher.setHightPostTags(new String[]{"
