ElasticSearch5.4 基本增删查改、搜索模板类

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import lombok.Data;import org.elasticsearch.action.DocWriteResponse;import org.elasticsearch.action.admin.indices.delete.DeleteIndexResponse;import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsRequest;import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsResponse;import org.elasticsearch.action.bulk.BulkRequestBuilder;import org.elasticsearch.action.bulk.BulkResponse;import org.elasticsearch.action.delete.DeleteResponse;import org.elasticsearch.action.index.IndexResponse;import org.elasticsearch.action.search.SearchResponse;import org.elasticsearch.action.update.UpdateResponse;import org.elasticsearch.client.Client;import org.elasticsearch.index.query.QueryBuilder;import java.util.List;/** * Created by T T on 2017/6/27. */@Datapublic class SearchTemplate{    private Client client;    /**     * 批量创建文档，需指定索引和类型     * @param index 索引     * @param type  类型     * @param docs  文档     * @return     */    public BulkResponse createIndex(String index, String type, List docs){        BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();        for(String doc : docs){            bulkRequestBuilder.add(client.prepareIndex(index,type).setSource(doc));        }        BulkResponse bulkResponse = bulkRequestBuilder.get();        return bulkResponse;    }    /**     * 单个创建文档，需指定索引和类型     * @param index 索引     * @param type  类型     * @param doc   文档     * @return     */    public IndexResponse createIndex(String index, String type, String doc){        IndexResponse indexResponse = client.prepareIndex(index, type).setSource(doc).get();        return indexResponse;    }    /**     * 指定索引、类型和搜索类型进行搜索，若类型为空默认对整个索引进行搜索     * @param index 索引     * @param type  类型     * @param queryBuilder  搜索类型     * @return     */    public SearchResponse search(String index, String type, QueryBuilder queryBuilder){        if (type == null|| type.length() == 0){            return client.prepareSearch(index).setQuery(queryBuilder).get();        }        return client.prepareSearch(index).setTypes(type).setQuery(queryBuilder).get();    }    /**     * 根据id删除指定索引、类型下的文档，id需先通过搜索获取     * @param index 索引     * @param type  类型     * @param id    文档id     * @return     */    public DeleteResponse deleteIndex(String index,String type,String id) {        DeleteResponse deleteResponse= client.prepareDelete(index, type, id).get();        return deleteResponse;    }    /**     * 删除指定索引，慎用     * @param index 索引     * @return     */    public DeleteIndexResponse deleteAll(String index){        DeleteIndexResponse deleteIndexResponse = client.admin().indices().prepareDelete(index).get();        return deleteIndexResponse;    }    /**     * 根据index、type、id更新文档     * @param index 索引     * @param type  文档     * @param id    文档id     * @param newDoc 更新后的文档json字符串     * @return     */    public Boolean update(String index,String type,String id,String newDoc){        UpdateResponse updateResponse = client.prepareUpdate(index,type,id).setDoc(newDoc).get();        if(updateResponse.getResult()!= DocWriteResponse.Result.UPDATED){            return false;        }        return true;    }    /**     * 判断指定Index是否存在     * @param index     * @return     */    public Boolean indexExist(String index){        IndicesExistsRequest request = new IndicesExistsRequest(index);        IndicesExistsResponse response = client.admin().indices().exists(request).actionGet();        if (response.isExists()) {            return true;        }        return false;    }}
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