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@@ -318,7 +318,10 @@ public class SuggestServiceImpl implements ISuggestService, ApplicationEventPubl |
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BoolQueryBuilder boolFilter = QueryBuilders.boolQuery();
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boolFilter.must(QueryBuilders.termQuery("status", VALID_STATUS));
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boolFilter.must(QueryBuilders.rangeQuery(countField).gte(SMART_SUGGESTION_COUNT_LIMIT));
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if (!hasChangedKeyword) {
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boolFilter.mustNot(QueryBuilders.termQuery("standardKeyword", CharUtils.standardized(queryWord)));
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}
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searchParam.setFiter(boolFilter);
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// 2.4) 增加拼写纠错 为了增加缓存命中率 此次都增加拼写检查处理
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@@ -345,24 +348,55 @@ public class SuggestServiceImpl implements ISuggestService, ApplicationEventPubl |
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return null;
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}
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// 5) 加入缓存
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suggestResult = new JSONObject();
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// 5) 构建结果加入缓存
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List<String> correntSpellingSuggestResultTerms = null;
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String correnctSpellingKeyword = getCorrectKeywordFromResult(searchResult);
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if (StringUtils.isNotEmpty(correnctSpellingKeyword) && !hasChangedKeyword) {
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// 6) 执行拼写纠错处理 为了避免无限次递归 只允许拼写检查一次
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logger.info("[func=suggestTipsBySuggestIndex]Switch the suggest keyword from [{}] to [{}].", queryWord, correnctSpellingKeyword);
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Map<String, String> newParamMap = new HashMap<>(paramMap.size());
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newParamMap.putAll(paramMap);
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newParamMap.put(SearchRequestParams.PARAM_SEARCH_KEYWORD, correnctSpellingKeyword);
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JSONObject correntSpellingSuggestResult = suggestTipsBySuggestIndex(paramMap, true);
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correntSpellingSuggestResultTerms = correntSpellingSuggestResult != null ? (List<String>) correntSpellingSuggestResult.get("terms_suggestion") : null;
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}
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// 7) 构建结果加入缓存 将拼写纠错的词放在第一个
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suggestResult = new JSONObject();
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List<String> resultTerms = searchResult.getResultList().stream().map(map -> (String) map.get("keyword")).collect(Collectors.toList());
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if (CollectionUtils.isNotEmpty(resultTerms) || StringUtils.isEmpty(correnctSpellingKeyword) || hasChangedKeyword) {
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if (CollectionUtils.isNotEmpty(correntSpellingSuggestResultTerms)) {
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if (CollectionUtils.isEmpty(resultTerms)) {
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// 7.1) 如果拼写检查返回的结果不为空而原先的结果为空 则使用拼写检查的
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resultTerms.addAll(correntSpellingSuggestResultTerms);
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} else if (correntSpellingSuggestResultTerms.contains(correnctSpellingKeyword)) {
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// 7.2) 如果拼写检查返回的结果不为空而原先的结果也不为空 则将拼写纠错词放在第一位 这里用contains是确保纠错词的count不会小于20个商品
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resultTerms = addCorrectSpellingKeywordToFirst(queryWord, correnctSpellingKeyword, resultTerms);
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}
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}
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suggestResult.put("terms_suggestion", resultTerms);
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searchCacheService.addJSONObjectToCache(indexName, searchParam, suggestResult);
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logger.info("[func=suggestTipsBySuggestIndex][query={}][cost={}]", queryWord, System.currentTimeMillis() - begin);
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return suggestResult;
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}
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private List<String> addCorrectSpellingKeywordToFirst(String queryWord, String correnctSpellingKeyword, List<String> resultTerms) {
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if (StringUtils.isNotEmpty(correnctSpellingKeyword) && !correnctSpellingKeyword.equalsIgnoreCase(queryWord)) {
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List<String> newResultTerms = new ArrayList<>(SMART_SUGGESTION_TERM_COUNT);
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newResultTerms.add(correnctSpellingKeyword);
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for (String item : resultTerms) {
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if (newResultTerms.size() == SMART_SUGGESTION_TERM_COUNT) {
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break;
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}
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// 6) 执行拼写纠错处理 为了避免无限次递归 只允许拼写检查一次
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logger.info("[func=suggestTipsBySuggestIndex]Switch the suggest keyword from [{}] to [{}].", queryWord, correnctSpellingKeyword);
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Map<String, String> newParamMap = new HashMap<>(paramMap.size());
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newParamMap.putAll(paramMap);
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newParamMap.put(SearchRequestParams.PARAM_SEARCH_KEYWORD, correnctSpellingKeyword);
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return suggestTipsBySuggestIndex(paramMap, true);
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newResultTerms.add(item);
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}
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return newResultTerms;
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}
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return resultTerms;
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}
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private JSONObject suggestTipsByConversionIndex(Map<String, String> paramMap) {
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