Examples with TopDocs org.apache.lucene.search.TopDocs used on opensource projects

Example 26 with TopDocs

use of org.apache.lucene.search.TopDocs in project elasticsearch by elastic.

the class QueryPhase method execute.

@Override
public void execute(SearchContext searchContext) throws QueryPhaseExecutionException {
    if (searchContext.hasOnlySuggest()) {
        suggestPhase.execute(searchContext);
        // TODO: fix this once we can fetch docs for suggestions
        searchContext.queryResult().topDocs(new TopDocs(0, Lucene.EMPTY_SCORE_DOCS, 0), new DocValueFormat[0]);
        return;
    }
    // Pre-process aggregations as late as possible. In the case of a DFS_Q_T_F
    // request, preProcess is called on the DFS phase phase, this is why we pre-process them
    // here to make sure it happens during the QUERY phase
    aggregationPhase.preProcess(searchContext);
    boolean rescore = execute(searchContext, searchContext.searcher());
    if (rescore) {
        // only if we do a regular search
        rescorePhase.execute(searchContext);
    }
    suggestPhase.execute(searchContext);
    aggregationPhase.execute(searchContext);
    if (searchContext.getProfilers() != null) {
        ProfileShardResult shardResults = SearchProfileShardResults.buildShardResults(searchContext.getProfilers());
        searchContext.queryResult().profileResults(shardResults);
    }
}

Example 27 with TopDocs

use of org.apache.lucene.search.TopDocs in project elasticsearch by elastic.

the class RescorePhase method execute.

@Override
public void execute(SearchContext context) {
    try {
        TopDocs topDocs = context.queryResult().topDocs();
        for (RescoreSearchContext ctx : context.rescore()) {
            topDocs = ctx.rescorer().rescore(topDocs, context, ctx);
        }
        context.queryResult().topDocs(topDocs, context.queryResult().sortValueFormats());
    } catch (IOException e) {
        throw new ElasticsearchException("Rescore Phase Failed", e);
    }
}

Example 28 with TopDocs

use of org.apache.lucene.search.TopDocs in project elasticsearch by elastic.

the class TermVectorsUnitTests method writeEmptyTermVector.

private void writeEmptyTermVector(TermVectorsResponse outResponse) throws IOException {
    Directory dir = newDirectory();
    IndexWriterConfig conf = new IndexWriterConfig(new StandardAnalyzer());
    conf.setOpenMode(OpenMode.CREATE);
    IndexWriter writer = new IndexWriter(dir, conf);
    FieldType type = new FieldType(TextField.TYPE_STORED);
    type.setStoreTermVectorOffsets(true);
    type.setStoreTermVectorPayloads(false);
    type.setStoreTermVectorPositions(true);
    type.setStoreTermVectors(true);
    type.freeze();
    Document d = new Document();
    d.add(new Field("id", "abc", StringField.TYPE_STORED));
    writer.updateDocument(new Term("id", "abc"), d);
    writer.commit();
    writer.close();
    DirectoryReader dr = DirectoryReader.open(dir);
    IndexSearcher s = new IndexSearcher(dr);
    TopDocs search = s.search(new TermQuery(new Term("id", "abc")), 1);
    ScoreDoc[] scoreDocs = search.scoreDocs;
    int doc = scoreDocs[0].doc;
    Fields fields = dr.getTermVectors(doc);
    EnumSet<Flag> flags = EnumSet.of(Flag.Positions, Flag.Offsets);
    outResponse.setFields(fields, null, flags, fields);
    outResponse.setExists(true);
    dr.close();
    dir.close();
}

Example 29 with TopDocs

use of org.apache.lucene.search.TopDocs in project elasticsearch by elastic.

the class TermVectorsUnitTests method writeStandardTermVector.

private void writeStandardTermVector(TermVectorsResponse outResponse) throws IOException {
    Directory dir = newDirectory();
    IndexWriterConfig conf = new IndexWriterConfig(new StandardAnalyzer());
    conf.setOpenMode(OpenMode.CREATE);
    IndexWriter writer = new IndexWriter(dir, conf);
    FieldType type = new FieldType(TextField.TYPE_STORED);
    type.setStoreTermVectorOffsets(true);
    type.setStoreTermVectorPayloads(false);
    type.setStoreTermVectorPositions(true);
    type.setStoreTermVectors(true);
    type.freeze();
    Document d = new Document();
    d.add(new Field("id", "abc", StringField.TYPE_STORED));
    d.add(new Field("title", "the1 quick brown fox jumps over  the1 lazy dog", type));
    d.add(new Field("desc", "the1 quick brown fox jumps over  the1 lazy dog", type));
    writer.updateDocument(new Term("id", "abc"), d);
    writer.commit();
    writer.close();
    DirectoryReader dr = DirectoryReader.open(dir);
    IndexSearcher s = new IndexSearcher(dr);
    TopDocs search = s.search(new TermQuery(new Term("id", "abc")), 1);
    ScoreDoc[] scoreDocs = search.scoreDocs;
    int doc = scoreDocs[0].doc;
    Fields termVectors = dr.getTermVectors(doc);
    EnumSet<Flag> flags = EnumSet.of(Flag.Positions, Flag.Offsets);
    outResponse.setFields(termVectors, null, flags, termVectors);
    dr.close();
    dir.close();
}

Example 30 with TopDocs

use of org.apache.lucene.search.TopDocs in project elasticsearch by elastic.

the class SearchPhaseControllerTests method testConsumerConcurrently.

public void testConsumerConcurrently() throws InterruptedException {
    int expectedNumResults = randomIntBetween(1, 100);
    int bufferSize = randomIntBetween(2, 200);
    SearchRequest request = new SearchRequest();
    request.source(new SearchSourceBuilder().aggregation(AggregationBuilders.avg("foo")));
    request.setBatchedReduceSize(bufferSize);
    InitialSearchPhase.SearchPhaseResults<QuerySearchResultProvider> consumer = searchPhaseController.newSearchPhaseResults(request, expectedNumResults);
    AtomicInteger max = new AtomicInteger();
    CountDownLatch latch = new CountDownLatch(expectedNumResults);
    for (int i = 0; i < expectedNumResults; i++) {
        int id = i;
        Thread t = new Thread(() -> {
            int number = randomIntBetween(1, 1000);
            max.updateAndGet(prev -> Math.max(prev, number));
            QuerySearchResult result = new QuerySearchResult(id, new SearchShardTarget("node", new Index("a", "b"), id));
            result.topDocs(new TopDocs(id, new ScoreDoc[0], 0.0F), new DocValueFormat[0]);
            InternalAggregations aggs = new InternalAggregations(Arrays.asList(new InternalMax("test", (double) number, DocValueFormat.RAW, Collections.emptyList(), Collections.emptyMap())));
            result.aggregations(aggs);
            consumer.consumeResult(id, result);
            latch.countDown();
        });
        t.start();
    }
    latch.await();
    SearchPhaseController.ReducedQueryPhase reduce = consumer.reduce();
    InternalMax internalMax = (InternalMax) reduce.aggregations.asList().get(0);
    assertEquals(max.get(), internalMax.getValue(), 0.0D);
}