Examples of org.apache.lucene.facet.search.FacetResultNode

org.apache.lucene.facet.search.FacetResultNode
Result of faceted search for a certain taxonomy node. This class serves as a bin of different attributes of the result node, such as its {@link #ordinal}as well as {@link #label}. You are not expected to modify those values.
This class implements {@link Comparable} for easy comparisons of resultnodes, e.g. when sorting or computing top-K nodes. @lucene.experimental

    
    FacetResult res = searchWithFacets(r, tr, fsp, params);
    FacetRequest req = res.getFacetRequest();
    assertEquals(facetRequest, req);
    
    FacetResultNode rootNode = res.getFacetResultNode();
    
    // Each node below root should also have sub-results as the requested depth was '2'
    for (FacetResultNode node : rootNode.subResults) {
      assertTrue("node " + node.label + " should have had children as the requested depth was '2'", node.subResults.size() > 0);
    }

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        .setComplementThreshold(OldFacetsAccumulator.DISABLE_COMPLEMENT);
    
    FacetsCollector fc = FacetsCollector.create(accumulator);
    
    searcher.search(new MatchAllDocsQuery(), fc);
    FacetResultNode node = fc.getFacetResults().get(0).getFacetResultNode();
    
    assertTrue(node.value < numDocsToIndex());
  }

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      assertEquals(numRange, nodes.size());
      for(int rangeID=0;rangeID<numRange;rangeID++) {
        if (VERBOSE) {
          System.out.println("  range " + rangeID + " expectedCount=" + expectedCounts[rangeID]);
        }
        FacetResultNode subNode = nodes.get(rangeID);
        assertEquals("field/r" + rangeID, subNode.label.toString('/'));
        assertEquals(expectedCounts[rangeID], (int) subNode.value);


        LongRange range = (LongRange) ((RangeFacetRequest<?>) results.get(0).getFacetRequest()).ranges[rangeID];

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      assertEquals(numRange, nodes.size());
      for(int rangeID=0;rangeID<numRange;rangeID++) {
        if (VERBOSE) {
          System.out.println("  range " + rangeID + " expectedCount=" + expectedCounts[rangeID]);
        }
        FacetResultNode subNode = nodes.get(rangeID);
        assertEquals("field/r" + rangeID, subNode.label.toString('/'));
        assertEquals(expectedCounts[rangeID], (int) subNode.value);


        FloatRange range = (FloatRange) ((RangeFacetRequest<?>) results.get(0).getFacetRequest()).ranges[rangeID];

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      assertEquals(numRange, nodes.size());
      for(int rangeID=0;rangeID<numRange;rangeID++) {
        if (VERBOSE) {
          System.out.println("  range " + rangeID + " expectedCount=" + expectedCounts[rangeID]);
        }
        FacetResultNode subNode = nodes.get(rangeID);
        assertEquals("field/r" + rangeID, subNode.label.toString('/'));
        assertEquals(expectedCounts[rangeID], (int) subNode.value);


        DoubleRange range = (DoubleRange) ((RangeFacetRequest<?>) results.get(0).getFacetRequest()).ranges[rangeID];

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    for (Multi m : multis) {
      m.join();
      List<FacetResult> facetResults = m.getResults();
      assertEquals("expected two results", 2, facetResults.size());
      
      FacetResultNode nodeA = facetResults.get(0).getFacetResultNode();
      int i = 0;
      for (FacetResultNode node : nodeA.subResults) {
        assertEquals("wrong count", 1, (int) node.value);
        assertEquals(expLabelsA[i++], node.label.toString('/'));
      }
      
      FacetResultNode nodeB = facetResults.get(1).getFacetResultNode();
      i = 0;
      for (FacetResultNode node : nodeB.subResults) {
        assertEquals("wrong count", 1, (int) node.value);
        assertEquals(expLabelsB[i++], node.label.toString('/'));
      }

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    List<FacetResult> countResNoComplement = findFacets(false);
    
    assertEquals("Wrong number of facet count results with complement!",1,countResWithComplement.size());
    assertEquals("Wrong number of facet count results no complement!",1,countResNoComplement.size());
    
    FacetResultNode parentResWithComp = countResWithComplement.get(0).getFacetResultNode();
    FacetResultNode parentResNoComp = countResWithComplement.get(0).getFacetResultNode();
    
    assertEquals("Wrong number of top count aggregated categories with complement!",3,parentResWithComp.subResults.size());
    assertEquals("Wrong number of top count aggregated categories no complement!",3,parentResNoComp.subResults.size());
  }

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    IndexSearcher searcher = newSearcher(reader1);
    FacetSearchParams fsp = new FacetSearchParams(fip, new CountFacetRequest(new CategoryPath("tag"), NUM_DOCS));
    FacetsCollector collector = FacetsCollector.create(fsp, reader1, taxReader);
    searcher.search(new MatchAllDocsQuery(), collector);
    FacetResult result = collector.getFacetResults().get(0);
    FacetResultNode node = result.getFacetResultNode();
    for (FacetResultNode facet: node.subResults) {
      int weight = (int)facet.value;
      int label = Integer.parseInt(facet.label.components[1]);
      //System.out.println(label + ": " + weight);
      if (VERBOSE) {

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    MatchAllDocsQuery base = new MatchAllDocsQuery();
    searcher.search(base, fc);
    List<FacetResult> facetResults = fc.getFacetResults();
    assertEquals(requests.size(), facetResults.size());
    for (FacetResult res : facetResults) {
      FacetResultNode node = res.getFacetResultNode();
      String dim = node.label.components[0];
      assertEquals("wrong count for " + dim, expectedCounts.get(dim).intValue(), (int) node.value);
    }
  }

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      FacetsCollector fc = FacetsCollector.create(fsp, indexReader, taxoReader);
      searcher.search(drillDown, MultiCollector.wrap(fc, total));
      assertTrue("no results for drill-down query " + drillDown, total.getTotalHits() > 0);
      List<FacetResult> facetResults = fc.getFacetResults();
      assertEquals(1, facetResults.size());
      FacetResultNode rootNode = facetResults.get(0).getFacetResultNode();
      assertEquals("wrong count for " + dim, expectedCounts.get(dim).intValue(), (int) rootNode.value);
    }
  }

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