• 【转载】Elasticsearch--java操作之QueryBuilders构建搜索Query


      原文地址:https://www.cnblogs.com/pypua/articles/9459941.html

    package com.elasticsearch;
     
    import org.elasticsearch.action.ActionListener;
    import org.elasticsearch.action.search.SearchResponse;
    import org.elasticsearch.index.query.IndicesQueryBuilder;
    import org.elasticsearch.index.query.QueryBuilder;
    import org.elasticsearch.index.query.QueryBuilders;
     
    /**
     * Created by lw on 14-7-15.
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     * elasticsearch以提供了一个完整的Java查询dsl其余查询dsl。
     * QueryBuilders工厂构建
     * API:
     * <a>http://www.elasticsearch.org/guide/en/elasticsearch/client/java-api/current/query-dsl-queries.html</a>
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     */
    public class Es_QueryBuilders_DSL {
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * match query 单个匹配
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder matchQuery() {
            return QueryBuilders.matchQuery("name", "葫芦4032娃");
        }
     
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * multimatch  query
         * 创建一个匹配查询的布尔型提供字段名称和文本。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder multiMatchQuery() {
            //现住址和家乡在【山西省太原市7429街道】的人
            return QueryBuilders.multiMatchQuery(
                    "山西省太原市7429街道",     // Text you are looking for
                    "home", "now_home"       // Fields you query on
            );
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * boolean query and 条件组合查询
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder booleanQuery() {
     
            return QueryBuilders
                    .boolQuery()
                    .must(QueryBuilders.termQuery("name", "葫芦3033娃"))
                    .must(QueryBuilders.termQuery("home", "山西省太原市7967街道"))
                    .mustNot(QueryBuilders.termQuery("isRealMen", false))
                    .should(QueryBuilders.termQuery("now_home", "山西省太原市"));
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * ids query
         * 构造一个只会匹配的特定数据 id 的查询。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder idsQuery() {
            return QueryBuilders.idsQuery().ids("CHszwWRURyK08j01p0Mmug", "ojGrYKMEQCCPvh75lHJm3A");
        }
     
        /**
         * TODO NotSolved
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * constant score query
         * 另一个查询和查询,包裹查询只返回一个常数分数等于提高每个文档的查询。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder constantScoreQuery() {
            /*return // Using with Filters
                    QueryBuilders.constantScoreQuery(FilterBuilders.termFilter("name", "kimchy"))
                            .boost(2.0f);*/
     
            // With Queries
            return QueryBuilders.constantScoreQuery(QueryBuilders.termQuery("name", "葫芦3033娃"))
                    .boost(2.0f);
        }
     
        /**
         * TODO NotSolved
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * disjunction max query
         * 一个生成的子查询文件产生的联合查询,
         * 而且每个分数的文件具有最高得分文件的任何子查询产生的,
         * 再加上打破平手的增加任何额外的匹配的子查询。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder disMaxQuery() {
            return QueryBuilders.disMaxQuery()
                    .add(QueryBuilders.termQuery("name", "kimchy"))          // Your queries
                    .add(QueryBuilders.termQuery("name", "elasticsearch"))   // Your queries
                    .boost(1.2f)
                    .tieBreaker(0.7f);
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * fuzzy query
         * 使用模糊查询匹配文档查询。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder fuzzyQuery() {
            return QueryBuilders.fuzzyQuery("name", "葫芦3582");
        }
     
        /**
         * TODO NotSolved
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * has child / has parent
         * 父或者子的文档查询
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder hasChildQuery() {
            return // Has Child
                    QueryBuilders.hasChildQuery("blog_tag",
                            QueryBuilders.termQuery("tag", "something"));
     
            // Has Parent
            /*return QueryBuilders.hasParentQuery("blog",
                    QueryBuilders.termQuery("tag","something"));*/
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * matchall query
         * 查询匹配所有文件。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder matchAllQuery() {
            return QueryBuilders.matchAllQuery();
        }
     
        /**
         * TODO NotSolved
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * more like this (field) query (mlt and mlt_field)
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder moreLikeThisQuery() {
            // mlt Query
            QueryBuilders.moreLikeThisQuery("home", "now_home") // Fields
                    .likeText("山西省太原市7429街道")                 // Text
                    .minTermFreq(1)                                 // Ignore Threshold
                    .maxQueryTerms(12);                             // Max num of Terms
            // in generated queries
     
            // mlt_field Query
            return QueryBuilders.moreLikeThisFieldQuery("home")              // Only on single field
                    .likeText("山西省太原市7429街道")
                    .minTermFreq(1)
                    .maxQueryTerms(12);
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * prefix query
         * 包含与查询相匹配的文档指定的前缀。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder prefixQuery() {
            return QueryBuilders.prefixQuery("name", "葫芦31");
        }
     
        /**
         * TODO NotSolved
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * querystring query
         *   查询解析查询字符串,并运行它。有两种模式,这种经营。
         * 第一,当没有添加字段(使用{ @link QueryStringQueryBuilder #字段(String)},将运行查询一次,非字段前缀
         *   将使用{ @link QueryStringQueryBuilder # defaultField(字符串)}。
         * 第二,当一个或多个字段
         *   (使用{ @link QueryStringQueryBuilder #字段(字符串)}),将运行提供的解析查询字段,并结合
         *   他们使用DisMax或者一个普通的布尔查询(参见{ @link QueryStringQueryBuilder # useDisMax(布尔)})。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder queryString() {
            return QueryBuilders.queryString("+kimchy -elasticsearch");
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * range query
         * 查询相匹配的文档在一个范围。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder rangeQuery() {
            return QueryBuilders
                    .rangeQuery("name")
                    .from("葫芦1000娃")
                    .to("葫芦3000娃")
                    .includeLower(true)     //包括下界
                    .includeUpper(false); //包括上界
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * span queries (first, near, not, or, term)
         * 跨度查询
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder spanQueries() {
            // Span First
            QueryBuilders.spanFirstQuery(
                    QueryBuilders.spanTermQuery("name", "葫芦580娃"),  // Query
                                                // Max查询范围的结束位置
            );
     
            // Span Near TODO NotSolved
            QueryBuilders.spanNearQuery()
                    .clause(QueryBuilders.spanTermQuery("name", "葫芦580娃")) // Span Term Queries
                    .clause(QueryBuilders.spanTermQuery("name", "葫芦3812娃"))
                    .clause(QueryBuilders.spanTermQuery("name", "葫芦7139娃"))
                    .slop(30000)                                               // Slop factor
                    .inOrder(false)
                    .collectPayloads(false);
     
            // Span Not TODO NotSolved
            QueryBuilders.spanNotQuery()
                    .include(QueryBuilders.spanTermQuery("name", "葫芦580娃"))
                    .exclude(QueryBuilders.spanTermQuery("home", "山西省太原市2552街道"));
     
            // Span Or TODO NotSolved
            return QueryBuilders.spanOrQuery()
                    .clause(QueryBuilders.spanTermQuery("name", "葫芦580娃"))
                    .clause(QueryBuilders.spanTermQuery("name", "葫芦3812娃"))
                    .clause(QueryBuilders.spanTermQuery("name", "葫芦7139娃"));
     
            // Span Term
            //return QueryBuilders.spanTermQuery("name", "葫芦580娃");
        }
     
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * term query
         * 一个查询相匹配的文件包含一个术语。。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder termQuery() {
            return QueryBuilders.termQuery("name", "葫芦580娃");
        }
     
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * terms query
         * 一个查询相匹配的多个value
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder termsQuery() {
            return QueryBuilders.termsQuery("name", // field
                    "葫芦580娃", "葫芦3812娃")                 // values
                    .minimumMatch(1);               // 设置最小数量的匹配提供了条件。默认为1。
        }
     
        /**
         * TODO NotSolved
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * top children  query
         * 构建了一种新的评分的子查询,与子类型和运行在子文档查询。这个查询的结果是,那些子父文档文件匹配。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder topChildrenQuery() {
            return QueryBuilders.topChildrenQuery(
                    "blog_tag",                                 // field
                    QueryBuilders.termQuery("name", "葫芦3812娃") // Query
            )
                    .score("max")                               // max, sum or avg
                    .factor(5)
                    .incrementalFactor(2);
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * wildcard query
         *   实现了通配符搜索查询。支持通配符* < /tt>,<tt>
         *   匹配任何字符序列(包括空),<tt> ? < /tt>,
         *   匹配任何单个的字符。注意该查询可以缓慢,因为它
         *   许多方面需要遍历。为了防止WildcardQueries极其缓慢。
         *   一个通配符词不应该从一个通配符* < /tt>或<tt>
         *   < /tt> <tt> ?。
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder wildcardQuery() {
            return QueryBuilders.wildcardQuery("name", "葫芦*2娃");
        }
     
        /**
         * TODO NotSolved
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * nested query
         * 嵌套查询
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static QueryBuilder nestedQuery() {
            return QueryBuilders.nestedQuery("location",               // Path
                    QueryBuilders.boolQuery()                      // Your query
                            .must(QueryBuilders.matchQuery("location.lat", 0.962590433140581))
                            .must(QueryBuilders.rangeQuery("location.lon").lt(0.00000000000000000003))
            )
                    .scoreMode("total");                  // max, total, avg or none
        }
     
        /**
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         * indices query
         * 索引查询
         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         */
        protected static IndicesQueryBuilder indicesQuery() {
            // Using another query when no match for the main one
            QueryBuilders.indicesQuery(
                    QueryBuilders.termQuery("name", "葫芦3812娃"),
                    Es_Utils.INDEX_DEMO_01, "index2"
            )       //设置查询索引上执行时使用不匹配指数
                    .noMatchQuery(QueryBuilders.termQuery("age", "葫芦3812娃"));
     
     
            // Using all (match all) or none (match no documents)
            return QueryBuilders.indicesQuery(
                    QueryBuilders.termQuery("name", "葫芦3812娃"),
                    Es_Utils.INDEX_DEMO_01, "index2"
            )      // 设置不匹配查询,可以是 all 或者 none
                    .noMatchQuery("none");
        }
     
     
     
     
        public static void main(String[] args) {
            Es_Utils.startupClient();
            try {
                searchTest(indicesQuery());
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                Es_Utils.shutDownClient();
            }
        }
     
        private static void searchTest(QueryBuilder queryBuilder) {
            //预准备执行搜索
            Es_Utils.client.prepareSearch(Es_Utils.INDEX_DEMO_01)
                    .setTypes(Es_Utils.INDEX_DEMO_01_MAPPING)
                    .setQuery(queryBuilder)
                    .setFrom(0).setSize(20).setExplain(true)
                    .execute()
                            //注册监听事件
                    .addListener(new ActionListener<SearchResponse>() {
                        @Override
                        public void onResponse(SearchResponse searchResponse) {
                            Es_Utils.writeSearchResponse(searchResponse);
                        }
     
                        @Override
                        public void onFailure(Throwable e) {
     
                        }
                    });
        }
    }
    

      

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  • 原文地址:https://www.cnblogs.com/wbl001/p/11645044.html
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