Package org.apache.lucene.queries.function

Examples of org.apache.lucene.queries.function.ValueSource$ValueSourceSortField

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    if (expression == null) throw new NullPointerException();
    this.expression = expression;
    variables = new ValueSource[expression.variables.length];
    boolean needsScores = false;
    for (int i = 0; i < variables.length; i++) {
      ValueSource source = bindings.getValueSource(expression.variables[i]);
      if (source instanceof ScoreValueSource) {
        needsScores = true;
      } else if (source instanceof ExpressionValueSource) {
        if (((ExpressionValueSource)source).needsScores()) {
          needsScores = true;
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      assertEquals(121.6d, doc1DistDEG * DistanceUtils.DEG_TO_KM, 0.1);
    }
    //--Match all, order by distance ascending
    {
      Point pt = ctx.makePoint(60, -50);
      ValueSource valueSource = strategy.makeDistanceValueSource(pt, DistanceUtils.DEG_TO_KM);//the distance (in km)
      Sort distSort = new Sort(valueSource.getSortField(false)).rewrite(indexSearcher);//false=asc dist
      TopDocs docs = indexSearcher.search(new MatchAllDocsQuery(), 10, distSort);
      assertDocMatchedIds(indexSearcher, docs, 4, 20, 2);
      //To get the distance, we could compute from stored values like earlier.
      // However in this example we sorted on it, and the distance will get
      // computed redundantly.  If the distance is only needed for the top-X
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  private AbstractAllGroupsCollector<?> createRandomCollector(String groupField, boolean canUseIDV) {
    AbstractAllGroupsCollector<?> selected;
    if (random().nextBoolean()) {
      selected = new TermAllGroupsCollector(groupField);
    } else {
      ValueSource vs = new BytesRefFieldSource(groupField);
      selected = new FunctionAllGroupsCollector(vs, new HashMap<>());
    }

    if (VERBOSE) {
      System.out.println("Selected implementation: " + selected.getClass().getName());
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  }

  private AbstractFirstPassGroupingCollector<?> createRandomFirstPassCollector(String groupField, Sort groupSort, int topDocs) throws IOException {
    AbstractFirstPassGroupingCollector<?> selected;
    if (random().nextBoolean()) {
      ValueSource vs = new BytesRefFieldSource(groupField);
      selected = new FunctionFirstPassGroupingCollector(vs, new HashMap<>(), groupSort, topDocs);
    } else {
      selected = new TermFirstPassGroupingCollector(groupField, groupSort, topDocs);
    }
    if (VERBOSE) {
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    return selected;
  }

  private AbstractFirstPassGroupingCollector<?> createFirstPassCollector(String groupField, Sort groupSort, int topDocs, AbstractFirstPassGroupingCollector<?> firstPassGroupingCollector) throws IOException {
    if (TermFirstPassGroupingCollector.class.isAssignableFrom(firstPassGroupingCollector.getClass())) {
      ValueSource vs = new BytesRefFieldSource(groupField);
      return new FunctionFirstPassGroupingCollector(vs, new HashMap<>(), groupSort, topDocs);
    } else {
      return new TermFirstPassGroupingCollector(groupField, groupSort, topDocs);
    }
  }
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    if (TermFirstPassGroupingCollector.class.isAssignableFrom(firstPassGroupingCollector.getClass())) {
      Collection<SearchGroup<BytesRef>> searchGroups = firstPassGroupingCollector.getTopGroups(groupOffset, fillSortFields);
      return (AbstractSecondPassGroupingCollector) new TermSecondPassGroupingCollector(groupField, searchGroups, groupSort, sortWithinGroup, maxDocsPerGroup , getScores, getMaxScores, fillSortFields);
    } else {
      ValueSource vs = new BytesRefFieldSource(groupField);
      Collection<SearchGroup<MutableValue>> searchGroups = firstPassGroupingCollector.getTopGroups(groupOffset, fillSortFields);
      return (AbstractSecondPassGroupingCollector) new FunctionSecondPassGroupingCollector(searchGroups, groupSort, sortWithinGroup, maxDocsPerGroup, getScores, getMaxScores, fillSortFields, vs, new HashMap());
    }
  }
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                                                                        boolean getMaxScores,
                                                                        boolean fillSortFields) throws IOException {
    if (firstPassGroupingCollector.getClass().isAssignableFrom(TermFirstPassGroupingCollector.class)) {
      return new TermSecondPassGroupingCollector(groupField, searchGroups, groupSort, sortWithinGroup, maxDocsPerGroup , getScores, getMaxScores, fillSortFields);
    } else {
      ValueSource vs = new BytesRefFieldSource(groupField);
      List<SearchGroup<MutableValue>> mvalSearchGroups = new ArrayList<>(searchGroups.size());
      for (SearchGroup<BytesRef> mergedTopGroup : searchGroups) {
        SearchGroup<MutableValue> sg = new SearchGroup<>();
        MutableValueStr groupValue = new MutableValueStr();
        if (mergedTopGroup.groupValue != null) {
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  private AbstractAllGroupsCollector<?> createAllGroupsCollector(AbstractFirstPassGroupingCollector<?> firstPassGroupingCollector,
                                                              String groupField) {
    if (firstPassGroupingCollector.getClass().isAssignableFrom(TermFirstPassGroupingCollector.class)) {
      return new TermAllGroupsCollector(groupField);
    } else {
      ValueSource vs = new BytesRefFieldSource(groupField);
      return new FunctionAllGroupsCollector(vs, new HashMap<>());
    }
  }
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  }

  private GroupingSearch createRandomGroupingSearch(String groupField, Sort groupSort, int docsInGroup, boolean canUseIDV) {
    GroupingSearch groupingSearch;
    if (random().nextBoolean()) {
      ValueSource vs = new BytesRefFieldSource(groupField);
      groupingSearch = new GroupingSearch(vs, new HashMap<>());
    } else {
      groupingSearch = new GroupingSearch(groupField);
    }
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  @SuppressWarnings({"unchecked","rawtypes"})
  private AbstractAllGroupHeadsCollector<?> createRandomCollector(String groupField, Sort sortWithinGroup, boolean canUseIDV, DocValuesType valueType) {
    AbstractAllGroupHeadsCollector<? extends AbstractAllGroupHeadsCollector.GroupHead> collector;
    if (random().nextBoolean()) {
      ValueSource vs = new BytesRefFieldSource(groupField);
      collector =  new FunctionAllGroupHeadsCollector(vs, new HashMap<>(), sortWithinGroup);
    } else {
      collector =  TermAllGroupHeadsCollector.create(groupField, sortWithinGroup);
    }
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Related Classes of org.apache.lucene.queries.function.ValueSource$ValueSourceSortField

  • org.apache.jena.query.spatial.SpatialIndexLucene
  • org.apache.lucene.benchmark.byTask.feeds.SpatialFileQueryMaker
  • org.apache.lucene.demo.facet.DistanceFacetsExample
  • org.apache.lucene.expressions.ExpressionValueSource
  • org.apache.lucene.expressions.TestExpressionValueSource
  • org.apache.lucene.facet.range.TestRangeFacetCounts
  • org.apache.lucene.facet.search.TestSumValueSourceFacetRequest
  • org.apache.lucene.facet.taxonomy.TestTaxonomyFacetSumValueSource
  • org.apache.lucene.search.grouping.AllGroupHeadsCollectorTest
  • org.apache.lucene.search.grouping.AllGroupsCollectorTest
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