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Example 1 with SearchResult

use of cn.exrick.manager.dto.front.SearchResult in project xmall by Exrick.

the class SearchServiceImpl method search.

@Override
public SearchResult search(String key, int page, int size, String sort, int priceGt, int priceLte) {
    try {
        Settings settings = Settings.builder().put("cluster.name", ES_CLUSTER_NAME).build();
        TransportClient client = new PreBuiltTransportClient(settings).addTransportAddress(new TransportAddress(InetAddress.getByName(ES_CONNECT_IP), 9300));
        SearchResult searchResult = new SearchResult();
        // 设置查询条件
        QueryBuilder qb = matchQuery("productName", key);
        // 设置分页
        if (page <= 0) {
            page = 1;
        }
        int start = (page - 1) * size;
        // 设置高亮显示
        HighlightBuilder hiBuilder = new HighlightBuilder();
        hiBuilder.preTags("<a style=\"color: #e4393c\">");
        hiBuilder.postTags("</a>");
        hiBuilder.field("productName");
        // 执行搜索
        SearchResponse searchResponse = null;
        if (priceGt >= 0 && priceLte >= 0 && sort.isEmpty()) {
            searchResponse = client.prepareSearch(ITEM_INDEX).setTypes(ITEM_TYPE).setSearchType(SearchType.DFS_QUERY_THEN_FETCH).setQuery(// Query
            qb).setFrom(start).setSize(size).setExplain(// 从第几个开始,显示size个数据
            true).highlighter(// 设置高亮显示
            hiBuilder).setPostFilter(// 过滤条件
            QueryBuilders.rangeQuery("salePrice").gt(priceGt).lt(priceLte)).get();
        } else if (priceGt >= 0 && priceLte >= 0 && sort.equals("1")) {
            searchResponse = client.prepareSearch(ITEM_INDEX).setTypes(ITEM_TYPE).setSearchType(SearchType.DFS_QUERY_THEN_FETCH).setQuery(// Query
            qb).setFrom(start).setSize(size).setExplain(// 从第几个开始,显示size个数据
            true).highlighter(// 设置高亮显示
            hiBuilder).setPostFilter(// 过滤条件
            QueryBuilders.rangeQuery("salePrice").gt(priceGt).lt(priceLte)).addSort("salePrice", SortOrder.ASC).get();
        } else if (priceGt >= 0 && priceLte >= 0 && sort.equals("-1")) {
            searchResponse = client.prepareSearch(ITEM_INDEX).setTypes(ITEM_TYPE).setSearchType(SearchType.DFS_QUERY_THEN_FETCH).setQuery(// Query
            qb).setFrom(start).setSize(size).setExplain(// 从第几个开始,显示size个数据
            true).highlighter(// 设置高亮显示
            hiBuilder).setPostFilter(// 过滤条件
            QueryBuilders.rangeQuery("salePrice").gt(priceGt).lt(priceLte)).addSort("salePrice", SortOrder.DESC).get();
        } else if ((priceGt < 0 || priceLte < 0) && sort.isEmpty()) {
            searchResponse = client.prepareSearch(ITEM_INDEX).setTypes(ITEM_TYPE).setSearchType(SearchType.DFS_QUERY_THEN_FETCH).setQuery(// Query
            qb).setFrom(start).setSize(size).setExplain(// 从第几个开始,显示size个数据
            true).highlighter(// 设置高亮显示
            hiBuilder).get();
        } else if ((priceGt < 0 || priceLte < 0) && sort.equals("1")) {
            searchResponse = client.prepareSearch(ITEM_INDEX).setTypes(ITEM_TYPE).setSearchType(SearchType.DFS_QUERY_THEN_FETCH).setQuery(// Query
            qb).setFrom(start).setSize(size).setExplain(// 从第几个开始,显示size个数据
            true).highlighter(// 设置高亮显示
            hiBuilder).addSort("salePrice", SortOrder.ASC).get();
        } else if ((priceGt < 0 || priceLte < 0) && sort.equals("-1")) {
            searchResponse = client.prepareSearch(ITEM_INDEX).setTypes(ITEM_TYPE).setSearchType(SearchType.DFS_QUERY_THEN_FETCH).setQuery(// Query
            qb).setFrom(start).setSize(size).setExplain(// 从第几个开始,显示size个数据
            true).highlighter(// 设置高亮显示
            hiBuilder).addSort("salePrice", SortOrder.DESC).get();
        }
        SearchHits hits = searchResponse.getHits();
        // 返回总结果数
        searchResult.setRecordCount(hits.totalHits);
        List<SearchItem> list = new ArrayList<>();
        if (hits.totalHits > 0) {
            for (SearchHit hit : hits) {
                // 总页数
                int totalPage = (int) (hit.getScore() / size);
                if ((hit.getScore() % size) != 0) {
                    totalPage++;
                }
                // 返回结果总页数
                searchResult.setTotalPages(totalPage);
                // 设置高亮字段
                SearchItem searchItem = new Gson().fromJson(hit.getSourceAsString(), SearchItem.class);
                String productName = hit.getHighlightFields().get("productName").getFragments()[0].toString();
                searchItem.setProductName(productName);
                // 返回结果
                list.add(searchItem);
            }
        }
        searchResult.setItemList(list);
        return searchResult;
    } catch (Exception e) {
        e.printStackTrace();
        throw new XmallException("查询ES索引库出错");
    }
}
Also used : TransportClient(org.elasticsearch.client.transport.TransportClient) PreBuiltTransportClient(org.elasticsearch.transport.client.PreBuiltTransportClient) SearchHit(org.elasticsearch.search.SearchHit) TransportAddress(org.elasticsearch.common.transport.TransportAddress) ArrayList(java.util.ArrayList) Gson(com.google.gson.Gson) SearchResult(cn.exrick.manager.dto.front.SearchResult) QueryBuilder(org.elasticsearch.index.query.QueryBuilder) XmallException(cn.exrick.common.exception.XmallException) XmallException(cn.exrick.common.exception.XmallException) SearchResponse(org.elasticsearch.action.search.SearchResponse) SearchItem(cn.exrick.manager.dto.front.SearchItem) PreBuiltTransportClient(org.elasticsearch.transport.client.PreBuiltTransportClient) SearchHits(org.elasticsearch.search.SearchHits) Settings(org.elasticsearch.common.settings.Settings) HighlightBuilder(org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder)

Aggregations

XmallException (cn.exrick.common.exception.XmallException)1 SearchItem (cn.exrick.manager.dto.front.SearchItem)1 SearchResult (cn.exrick.manager.dto.front.SearchResult)1 Gson (com.google.gson.Gson)1 ArrayList (java.util.ArrayList)1 SearchResponse (org.elasticsearch.action.search.SearchResponse)1 TransportClient (org.elasticsearch.client.transport.TransportClient)1 Settings (org.elasticsearch.common.settings.Settings)1 TransportAddress (org.elasticsearch.common.transport.TransportAddress)1 QueryBuilder (org.elasticsearch.index.query.QueryBuilder)1 SearchHit (org.elasticsearch.search.SearchHit)1 SearchHits (org.elasticsearch.search.SearchHits)1 HighlightBuilder (org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder)1 PreBuiltTransportClient (org.elasticsearch.transport.client.PreBuiltTransportClient)1