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

Example 56 with ConstantScoreQuery

use of org.apache.lucene.search.ConstantScoreQuery in project neo4j by neo4j.

the class LuceneDocumentStructureTest method shouldBuildQueryRepresentingNumberProperty.

@SuppressWarnings("unchecked")
@Test
public void shouldBuildQueryRepresentingNumberProperty() throws Exception {
    // given
    BooleanQuery booleanQuery = (BooleanQuery) newSeekQuery(12);
    ConstantScoreQuery constantScoreQuery = (ConstantScoreQuery) booleanQuery.clauses().get(0).getQuery();
    NumericRangeQuery<Double> query = (NumericRangeQuery<Double>) constantScoreQuery.getQuery();
    // then
    assertEquals(12.0, query.getMin());
    assertEquals(12.0, query.getMax());
}

Example 57 with ConstantScoreQuery

use of org.apache.lucene.search.ConstantScoreQuery in project neo4j by neo4j.

the class LuceneDocumentStructureTest method shouldBuildQueryRepresentingArrayProperty.

@Test
public void shouldBuildQueryRepresentingArrayProperty() throws Exception {
    // given
    BooleanQuery booleanQuery = (BooleanQuery) newSeekQuery(new Object[] { new Integer[] { 1, 2, 3 } });
    ConstantScoreQuery constantScoreQuery = (ConstantScoreQuery) booleanQuery.clauses().get(0).getQuery();
    TermQuery query = (TermQuery) constantScoreQuery.getQuery();
    // then
    assertEquals("D1.0|2.0|3.0|", query.getTerm().text());
}

Example 58 with ConstantScoreQuery

use of org.apache.lucene.search.ConstantScoreQuery in project lucene-solr by apache.

the class TestTaxonomyFacetSumValueSource method testSumScoreAggregator.

public void testSumScoreAggregator() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(new MockAnalyzer(random())));
    FacetsConfig config = new FacetsConfig();
    for (int i = atLeast(30); i > 0; --i) {
        Document doc = new Document();
        if (random().nextBoolean()) {
            // don't match all documents
            doc.add(new StringField("f", "v", Field.Store.NO));
        }
        doc.add(new FacetField("dim", "a"));
        iw.addDocument(config.build(taxoWriter, doc));
    }
    DirectoryReader r = DirectoryReader.open(iw);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    FacetsCollector fc = new FacetsCollector(true);
    BoostQuery csq = new BoostQuery(new ConstantScoreQuery(new MatchAllDocsQuery()), 2f);
    TopDocs td = FacetsCollector.search(newSearcher(r), csq, 10, fc);
    Facets facets = new TaxonomyFacetSumValueSource(taxoReader, config, fc, DoubleValuesSource.SCORES);
    int expected = (int) (td.getMaxScore() * td.totalHits);
    assertEquals(expected, facets.getSpecificValue("dim", "a").intValue());
    iw.close();
    IOUtils.close(taxoWriter, taxoReader, taxoDir, r, indexDir);
}

Example 59 with ConstantScoreQuery

use of org.apache.lucene.search.ConstantScoreQuery in project lucene-solr by apache.

the class SynonymTokenizer method testGetBestFragmentsConstantScore.

public void testGetBestFragmentsConstantScore() throws Exception {
    TestHighlightRunner helper = new TestHighlightRunner() {

        @Override
        public void run() throws Exception {
            numHighlights = 0;
            if (random().nextBoolean()) {
                BooleanQuery.Builder bq = new BooleanQuery.Builder();
                bq.add(new ConstantScoreQuery(new TermQuery(new Term(FIELD_NAME, "kennedy"))), Occur.MUST);
                bq.add(new ConstantScoreQuery(new TermQuery(new Term(FIELD_NAME, "kennedy"))), Occur.MUST);
                doSearching(bq.build());
            } else {
                doSearching(new ConstantScoreQuery(new TermQuery(new Term(FIELD_NAME, "kennedy"))));
            }
            doStandardHighlights(analyzer, searcher, hits, query, HighlighterTest.this);
            assertTrue("Failed to find correct number of highlights " + numHighlights + " found", numHighlights == 4);
        }
    };
    helper.start();
}

Example 60 with ConstantScoreQuery

use of org.apache.lucene.search.ConstantScoreQuery in project lucene-solr by apache.

the class MultiTermHighlighting method extractAutomata.

/**
   * Extracts MultiTermQueries that match the provided field predicate.
   * Returns equivalent automata that will match terms.
   */
public static CharacterRunAutomaton[] extractAutomata(Query query, Predicate<String> fieldMatcher, boolean lookInSpan, Function<Query, Collection<Query>> preRewriteFunc) {
    // TODO Lucene needs a Query visitor API!  LUCENE-3041
    List<CharacterRunAutomaton> list = new ArrayList<>();
    Collection<Query> customSubQueries = preRewriteFunc.apply(query);
    if (customSubQueries != null) {
        for (Query sub : customSubQueries) {
            list.addAll(Arrays.asList(extractAutomata(sub, fieldMatcher, lookInSpan, preRewriteFunc)));
        }
    } else if (query instanceof BooleanQuery) {
        for (BooleanClause clause : (BooleanQuery) query) {
            if (!clause.isProhibited()) {
                list.addAll(Arrays.asList(extractAutomata(clause.getQuery(), fieldMatcher, lookInSpan, preRewriteFunc)));
            }
        }
    } else if (query instanceof ConstantScoreQuery) {
        list.addAll(Arrays.asList(extractAutomata(((ConstantScoreQuery) query).getQuery(), fieldMatcher, lookInSpan, preRewriteFunc)));
    } else if (query instanceof BoostQuery) {
        list.addAll(Arrays.asList(extractAutomata(((BoostQuery) query).getQuery(), fieldMatcher, lookInSpan, preRewriteFunc)));
    } else if (query instanceof DisjunctionMaxQuery) {
        for (Query sub : ((DisjunctionMaxQuery) query).getDisjuncts()) {
            list.addAll(Arrays.asList(extractAutomata(sub, fieldMatcher, lookInSpan, preRewriteFunc)));
        }
    } else if (lookInSpan && query instanceof SpanOrQuery) {
        for (Query sub : ((SpanOrQuery) query).getClauses()) {
            list.addAll(Arrays.asList(extractAutomata(sub, fieldMatcher, lookInSpan, preRewriteFunc)));
        }
    } else if (lookInSpan && query instanceof SpanNearQuery) {
        for (Query sub : ((SpanNearQuery) query).getClauses()) {
            list.addAll(Arrays.asList(extractAutomata(sub, fieldMatcher, lookInSpan, preRewriteFunc)));
        }
    } else if (lookInSpan && query instanceof SpanNotQuery) {
        list.addAll(Arrays.asList(extractAutomata(((SpanNotQuery) query).getInclude(), fieldMatcher, lookInSpan, preRewriteFunc)));
    } else if (lookInSpan && query instanceof SpanPositionCheckQuery) {
        list.addAll(Arrays.asList(extractAutomata(((SpanPositionCheckQuery) query).getMatch(), fieldMatcher, lookInSpan, preRewriteFunc)));
    } else if (lookInSpan && query instanceof SpanBoostQuery) {
        list.addAll(Arrays.asList(extractAutomata(((SpanBoostQuery) query).getQuery(), fieldMatcher, lookInSpan, preRewriteFunc)));
    } else if (lookInSpan && query instanceof SpanMultiTermQueryWrapper) {
        list.addAll(Arrays.asList(extractAutomata(((SpanMultiTermQueryWrapper<?>) query).getWrappedQuery(), fieldMatcher, lookInSpan, preRewriteFunc)));
    } else if (query instanceof PrefixQuery) {
        final PrefixQuery pq = (PrefixQuery) query;
        Term prefix = pq.getPrefix();
        if (fieldMatcher.test(prefix.field())) {
            list.add(new CharacterRunAutomaton(Operations.concatenate(Automata.makeString(prefix.text()), Automata.makeAnyString())) {

                @Override
                public String toString() {
                    return pq.toString();
                }
            });
        }
    } else if (query instanceof FuzzyQuery) {
        final FuzzyQuery fq = (FuzzyQuery) query;
        if (fieldMatcher.test(fq.getField())) {
            String utf16 = fq.getTerm().text();
            int[] termText = new int[utf16.codePointCount(0, utf16.length())];
            for (int cp, i = 0, j = 0; i < utf16.length(); i += Character.charCount(cp)) {
                termText[j++] = cp = utf16.codePointAt(i);
            }
            int termLength = termText.length;
            int prefixLength = Math.min(fq.getPrefixLength(), termLength);
            String suffix = UnicodeUtil.newString(termText, prefixLength, termText.length - prefixLength);
            LevenshteinAutomata builder = new LevenshteinAutomata(suffix, fq.getTranspositions());
            String prefix = UnicodeUtil.newString(termText, 0, prefixLength);
            Automaton automaton = builder.toAutomaton(fq.getMaxEdits(), prefix);
            list.add(new CharacterRunAutomaton(automaton) {

                @Override
                public String toString() {
                    return fq.toString();
                }
            });
        }
    } else if (query instanceof TermRangeQuery) {
        final TermRangeQuery tq = (TermRangeQuery) query;
        if (fieldMatcher.test(tq.getField())) {
            final CharsRef lowerBound;
            if (tq.getLowerTerm() == null) {
                lowerBound = null;
            } else {
                lowerBound = new CharsRef(tq.getLowerTerm().utf8ToString());
            }
            final CharsRef upperBound;
            if (tq.getUpperTerm() == null) {
                upperBound = null;
            } else {
                upperBound = new CharsRef(tq.getUpperTerm().utf8ToString());
            }
            final boolean includeLower = tq.includesLower();
            final boolean includeUpper = tq.includesUpper();
            final CharsRef scratch = new CharsRef();
            @SuppressWarnings("deprecation") final Comparator<CharsRef> comparator = CharsRef.getUTF16SortedAsUTF8Comparator();
            // this is *not* an automaton, but its very simple
            list.add(new CharacterRunAutomaton(Automata.makeEmpty()) {

                @Override
                public boolean run(char[] s, int offset, int length) {
                    scratch.chars = s;
                    scratch.offset = offset;
                    scratch.length = length;
                    if (lowerBound != null) {
                        int cmp = comparator.compare(scratch, lowerBound);
                        if (cmp < 0 || (!includeLower && cmp == 0)) {
                            return false;
                        }
                    }
                    if (upperBound != null) {
                        int cmp = comparator.compare(scratch, upperBound);
                        if (cmp > 0 || (!includeUpper && cmp == 0)) {
                            return false;
                        }
                    }
                    return true;
                }

                @Override
                public String toString() {
                    return tq.toString();
                }
            });
        }
    } else if (query instanceof AutomatonQuery) {
        final AutomatonQuery aq = (AutomatonQuery) query;
        if (fieldMatcher.test(aq.getField())) {
            list.add(new CharacterRunAutomaton(aq.getAutomaton()) {

                @Override
                public String toString() {
                    return aq.toString();
                }
            });
        }
    }
    return list.toArray(new CharacterRunAutomaton[list.size()]);
}