Examples of org.apache.lucene.facet.params.FacetIndexingParams

org.apache.lucene.facet.params.FacetIndexingParams
Defines parameters that are needed for facets indexing. Note that this class does not have any setters. That's because overriding the default parameters is considered expert. If you wish to override them, simply extend this class and override the relevant getter.
NOTE: This class is also used during faceted search in order to e.g. know which field holds the drill-down terms or the fulltree posting. Therefore this class should be initialized once and you should refrain from changing it. Also note that if you make any changes to it (e.g. suddenly deciding that drill-down terms should be read from a different field) and use it on an existing index, things may not work as expected. @lucene.experimental

  @Test
  public void testCountWithdepthUsingSampling() throws Exception, IOException {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    
    FacetIndexingParams fip = new FacetIndexingParams(randomCategoryListParams());
    
    // index 100 docs, each with one category: ["root", docnum/10, docnum]
    // e.g. root/8/87
    index100Docs(indexDir, taxoDir, fip);

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    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    
    TaxonomyWriter taxonomyWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    FacetIndexingParams fip = new PerDimensionIndexingParams(Collections.singletonMap(new CategoryPath("b"), new CategoryListParams("$b")));
    
    FacetFields facetFields = new FacetFields(taxonomyWriter, fip);
    for(int i = atLeast(30); i > 0; --i) {
      Document doc = new Document();
      doc.add(new StringField("f", "v", Store.NO));

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    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    
    TaxonomyWriter taxonomyWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    FacetIndexingParams fip = new PerDimensionIndexingParams(Collections.singletonMap(new CategoryPath("b"), new CategoryListParams("$b")));
    
    FacetFields facetFields = new FacetFields(taxonomyWriter, fip);
    for(int i = atLeast(30); i > 0; --i) {
      Document doc = new Document();
      doc.add(new StringField("f", "v", Store.NO));
      List<CategoryPath> cats = new ArrayList<CategoryPath>();
      cats.add(new CategoryPath("a"));
      cats.add(new CategoryPath("b"));
      facetFields.addFields(doc, cats);
      iw.addDocument(doc);
    }
    
    taxonomyWriter.close();
    iw.close();
    
    DirectoryReader r = DirectoryReader.open(indexDir);
    DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);
    
    FacetSearchParams sParams = new FacetSearchParams(fip,
        new CountFacetRequest(new CategoryPath("a"), 10), 
        new SumScoreFacetRequest(new CategoryPath("b"), 10));
    
    Map<CategoryListParams,FacetsAggregator> aggregators = new HashMap<CategoryListParams,FacetsAggregator>();
    aggregators.put(fip.getCategoryListParams(new CategoryPath("a")), new FastCountingFacetsAggregator());
    aggregators.put(fip.getCategoryListParams(new CategoryPath("b")), new SumScoreFacetsAggregator());
    final FacetsAggregator aggregator = new PerCategoryListAggregator(aggregators, fip);
    FacetsAccumulator fa = new FacetsAccumulator(sParams, r, taxo) {
      @Override
      public FacetsAggregator getAggregator() {
        return aggregator;

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  public DrillDownQueryTest() {
    Map<CategoryPath,CategoryListParams> paramsMap = new HashMap<CategoryPath,CategoryListParams>();
    paramsMap.put(new CategoryPath("a"), randomCategoryListParams("testing_facets_a"));
    paramsMap.put(new CategoryPath("b"), randomCategoryListParams("testing_facets_b"));
    nonDefaultParams = new PerDimensionIndexingParams(paramsMap);
    defaultParams = new FacetIndexingParams(randomCategoryListParams(CategoryListParams.DEFAULT_FIELD));
  }

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        @Override
        public OrdinalPolicy getOrdinalPolicy(String fieldName) {
          return OrdinalPolicy.ALL_PARENTS;
        }
      };
    FacetIndexingParams fip = new FacetIndexingParams(clp);


    FacetFields facetFields = new FacetFields(taxoWriter, fip);


    Document doc = new Document();
    doc.add(newTextField("field", "text", Field.Store.NO));

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    });
    
    HashMap<String,OrdinalPolicy> policies = new HashMap<String,CategoryListParams.OrdinalPolicy>();
    policies.put(DIMENSIONS[2], OrdinalPolicy.ALL_PARENTS);
    policies.put(DIMENSIONS[3], OrdinalPolicy.ALL_PARENTS);
    FacetIndexingParams fip = new PerDimensionIndexingParams(params, new PerDimensionOrdinalPolicy(policies)) {
      @Override
      public int getPartitionSize() {
        return partitionSize;
      }
    };

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  protected HashMap<CategoryListIterator, Aggregator> getCategoryListMap(FacetArrays facetArrays,
      int partition) throws IOException {
    
    HashMap<CategoryListIterator, Aggregator> categoryLists = new HashMap<CategoryListIterator, Aggregator>();


    FacetIndexingParams indexingParams = searchParams.indexingParams;
    for (FacetRequest facetRequest : searchParams.facetRequests) {
      Aggregator categoryAggregator = facetRequest.createAggregator(isUsingComplements, facetArrays, taxonomyReader);


      CategoryListIterator cli = indexingParams.getCategoryListParams(facetRequest.categoryPath).createCategoryListIterator(partition);
      
      // get the aggregator
      Aggregator old = categoryLists.put(cli, categoryAggregator);


      if (old != null && !old.equals(categoryAggregator)) {

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        @Override
        public OrdinalPolicy getOrdinalPolicy(String fieldName) {
          return OrdinalPolicy.ALL_PARENTS;
        }
      };
    FacetIndexingParams fip = new FacetIndexingParams(clp);


    FacetFields facetFields = new FacetFields(taxoWriter, fip);


    Document doc = new Document();
    doc.add(newTextField("field", "text", Field.Store.NO));

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    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    
    TaxonomyWriter taxonomyWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    FacetIndexingParams fip = new PerDimensionIndexingParams(Collections.singletonMap(new CategoryPath("b"), new CategoryListParams("$b")));
    
    FacetFields facetFields = new FacetFields(taxonomyWriter, fip);
    for(int i = atLeast(30); i > 0; --i) {
      Document doc = new Document();
      doc.add(new StringField("f", "v", Store.NO));

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    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    
    TaxonomyWriter taxonomyWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    FacetIndexingParams fip = new PerDimensionIndexingParams(Collections.singletonMap(new CategoryPath("b"), new CategoryListParams("$b")));
    
    FacetFields facetFields = new FacetFields(taxonomyWriter, fip);
    for(int i = atLeast(30); i > 0; --i) {
      Document doc = new Document();
      doc.add(new StringField("f", "v", Store.NO));

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org.apache.lucene.facet.complements.TestTotalFacetCounts

org.apache.lucene.facet.complements.TestTotalFacetCountsCache

org.apache.lucene.facet.FacetTestBase

org.apache.lucene.facet.old.OldFacetsAccumulator

org.apache.lucene.facet.params.FacetIndexingParamsTest

org.apache.lucene.facet.params.PerDimensionIndexingParamsTest

org.apache.lucene.facet.sampling.BaseSampleTestTopK

org.apache.lucene.facet.sampling.OversampleWithDepthTest

org.apache.lucene.facet.search.CountingFacetsAggregatorTest

org.apache.lucene.facet.search.DrillDownQueryTest

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