Examples with StatRequest io.zulia.message.ZuliaQuery.StatRequest used on opensource projects

Example 1 with StatRequest

use of io.zulia.message.ZuliaQuery.StatRequest in project zuliasearch by zuliaio.

the class QueryCombiner method getQueryResponse.

public QueryResponse getQueryResponse() throws Exception {
    validate();
    long totalHits = 0;
    long returnedHits = 0;
    for (ShardQueryResponse sr : shardResponses) {
        totalHits += sr.getTotalHits();
        returnedHits += sr.getScoredResultList().size();
    }
    QueryResponse.Builder builder = QueryResponse.newBuilder();
    builder.setTotalHits(totalHits);
    int resultsSize = Math.min(amount, (int) returnedHits);
    Map<CountRequest, FacetCombiner> facetCombinerMap = new HashMap<>();
    Map<StatRequest, StatCombiner> statCombinerMap = new HashMap<>();
    Map<AnalysisRequest, Map<String, Term.Builder>> analysisRequestToTermMap = new HashMap<>();
    int shardIndex = 0;
    for (ShardQueryResponse sr : shardResponses) {
        for (FacetGroup fg : sr.getFacetGroupList()) {
            CountRequest countRequest = fg.getCountRequest();
            FacetCombiner facetCombiner = facetCombinerMap.computeIfAbsent(countRequest, countRequest1 -> new FacetCombiner(countRequest, shardResponses.size()));
            facetCombiner.handleFacetGroupForShard(fg, shardIndex);
        }
        for (ZuliaQuery.StatGroup sg : sr.getStatGroupList()) {
            StatRequest statRequest = sg.getStatRequest();
            StatCombiner statCombiner = statCombinerMap.computeIfAbsent(statRequest, statRequest1 -> new StatCombiner(statRequest, shardResponses.size()));
            statCombiner.handleStatGroupForShard(sg, shardIndex);
        }
        for (AnalysisResult analysisResult : sr.getAnalysisResultList()) {
            AnalysisRequest analysisRequest = analysisResult.getAnalysisRequest();
            if (!analysisRequestToTermMap.containsKey(analysisRequest)) {
                analysisRequestToTermMap.put(analysisRequest, new HashMap<>());
            }
            Map<String, Term.Builder> termMap = analysisRequestToTermMap.get(analysisRequest);
            for (Term term : analysisResult.getTermsList()) {
                String key = term.getValue();
                if (!termMap.containsKey(key)) {
                    termMap.put(key, Term.newBuilder().setValue(key).setDocFreq(0).setTermFreq(0));
                }
                Term.Builder termsBuilder = termMap.get(key);
                termsBuilder.setDocFreq(termsBuilder.getDocFreq() + term.getDocFreq());
                termsBuilder.setScore(termsBuilder.getScore() + term.getScore());
                termsBuilder.setTermFreq(termsBuilder.getTermFreq() + term.getTermFreq());
            }
        }
        shardIndex++;
    }
    for (AnalysisRequest analysisRequest : analysisRequestList) {
        Map<String, Term.Builder> termMap = analysisRequestToTermMap.get(analysisRequest);
        if (termMap != null) {
            List<Term.Builder> terms = new ArrayList<>(termMap.values());
            List<Term.Builder> topTerms = TermFreq.getTopTerms(terms, analysisRequest.getTopN(), analysisRequest.getTermSort());
            AnalysisResult.Builder analysisResultBuilder = AnalysisResult.newBuilder().setAnalysisRequest(analysisRequest);
            topTerms.forEach(analysisResultBuilder::addTerms);
            builder.addAnalysisResult(analysisResultBuilder);
        }
    }
    for (FacetCombiner facetCombiner : facetCombinerMap.values()) {
        builder.addFacetGroup(facetCombiner.getCombinedFacetGroup());
    }
    for (StatCombiner statCombiner : statCombinerMap.values()) {
        builder.addStatGroup(statCombiner.getCombinedStatGroup());
    }
    Map<String, ScoredResult[]> lastIndexResultMap = createLastIndexResultMapWithPreviousLastResults();
    List<ScoredResult> results;
    if (shardResponses.size() > 1) {
        results = mergeResults((int) returnedHits, resultsSize, lastIndexResultMap);
    } else {
        ShardQueryResponse shardQueryResponse = shardResponses.get(0);
        results = shardQueryResponse.getScoredResultList();
        if (!results.isEmpty()) {
            lastIndexResultMap.get(shardQueryResponse.getIndexName())[shardQueryResponse.getShardNumber()] = results.get(results.size() - 1);
        }
    }
    if (start == 0) {
        builder.addAllResults(results);
    } else {
        int i = 0;
        for (ScoredResult scoredResult : results) {
            if (i >= start) {
                builder.addResults(scoredResult);
            }
            i++;
        }
    }
    builder.setLastResult(createLastResult(lastIndexResultMap));
    return builder.build();
}