Examples of FacetIndexingParams

org.apache.lucene.facet.index.params.FacetIndexingParams
Parameters on how facets are to be written to the index. For example, which fields and terms are used to refer to the indexed posting list.
If non-default parameters were used during indexing, the same parameters must also be passed during faceted search. This requirement is analogous to the requirement during search to know which fields were indexed, and which Analyzer was used on the text. @lucene.experimental
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

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

   * counting them in the most basic form.
   */
  @Test
  public void testSimple() throws Exception {
    for (int partitionSize : partitionSizes) {
      FacetIndexingParams fip = getFacetIndexingParams(partitionSize);
      OrdinalPolicy op = fip.getCategoryListParams(null).getOrdinalPolicy(null);
      initIndex(fip);


      List<FacetRequest> facetRequests = new ArrayList<FacetRequest>();
      facetRequests.add(new CountFacetRequest(new CategoryPath("a"), 100));
      CountFacetRequest cfra = new CountFacetRequest(new CategoryPath("a"), 100);

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

   * Creating an index, matching the results of an top K = Integer.MAX_VALUE and top-1000 requests
   */
  @Test
  public void testGetMaxIntFacets() throws Exception {
    for (int partitionSize : partitionSizes) {
      FacetIndexingParams fip = getFacetIndexingParams(partitionSize);
      initIndex(fip);


      // do different facet counts and compare to control
      CategoryPath path = new CategoryPath("a", "b");
      FacetSearchParams sParams = getFacetSearchParams(fip, new CountFacetRequest(path, Integer.MAX_VALUE));

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

  }


  @Test
  public void testSimpleSearchForNonexistentFacet() throws Exception {
    for (int partitionSize : partitionSizes) {
      FacetIndexingParams fip = getFacetIndexingParams(partitionSize);
      initIndex(fip);


      CategoryPath path = new CategoryPath("Miau Hattulla");
      FacetSearchParams sParams = getFacetSearchParams(fip, new CountFacetRequest(path, 10));

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

    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 FacetIndexingParams(new CategoryListParams() {
      @Override
      public OrdinalPolicy getOrdinalPolicy(String dimension) {
        return OrdinalPolicy.NO_PARENTS;
      }
    });

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

      if (VERBOSE) {
        System.out.println("Partition Size: " + partitionSize);
      }
      
      final int pSize = partitionSize;
      FacetIndexingParams iParams = new FacetIndexingParams() {
        @Override
        public int getPartitionSize() {
          return pSize;
        }
      };

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

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

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

    Map<String,OrdinalPolicy> policies = new HashMap<String,CategoryListParams.OrdinalPolicy>();
    policies.put(CP_B.components[0], OrdinalPolicy.ALL_PARENTS);
    policies.put(CP_C.components[0], OrdinalPolicy.NO_PARENTS);
    policies.put(CP_D.components[0], OrdinalPolicy.NO_PARENTS);
    CategoryListParams clp = new PerDimensionOrdinalPolicy(policies);
    fip = new FacetIndexingParams(clp);
    
    allExpectedCounts = newCounts();
    termExpectedCounts = newCounts();
    
    // segment w/ no categories

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

    Directory taxoDir = newDirectory();
    
    IndexWriterConfig iwc = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
    iwc.setMergePolicy(NoMergePolicy.COMPOUND_FILES); // prevent merges
    IndexWriter indexWriter = new IndexWriter(indexDir, iwc);
    FacetIndexingParams fip = new FacetIndexingParams(new CategoryListParams() {
      @Override
      public CategoryListIterator createCategoryListIterator(int partition) throws IOException {
        return new AssertingCategoryListIterator(super.createCategoryListIterator(partition));
      }
    });

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

  @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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