Package org.apache.lucene.facet.taxonomy

Examples of org.apache.lucene.facet.taxonomy.IntAssociationFacetField

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    // Writes facet ords to a separate directory from the main index
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);

    Document doc = new Document();
    // 3 occurrences for tag 'lucene'
    doc.add(new IntAssociationFacetField(3, "tags", "lucene"));
    // 87% confidence level of genre 'computing'
    doc.add(new FloatAssociationFacetField(0.87f, "genre", "computing"));
    indexWriter.addDocument(config.build(taxoWriter, doc));

    doc = new Document();
    // 1 occurrence for tag 'lucene'
    doc.add(new IntAssociationFacetField(1, "tags", "lucene"));
    // 2 occurrence for tag 'solr'
    doc.add(new IntAssociationFacetField(2, "tags", "solr"));
    // 75% confidence level of genre 'computing'
    doc.add(new FloatAssociationFacetField(0.75f, "genre", "computing"));
    // 34% confidence level of genre 'software'
    doc.add(new FloatAssociationFacetField(0.34f, "genre", "software"));
    indexWriter.addDocument(config.build(taxoWriter, doc));
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    for (int i = 0; i < 110; i++) {
      Document doc = new Document();
      // every 11th document is added empty, this used to cause the association
      // aggregators to go into an infinite loop
      if (i % 11 != 0) {
        doc.add(new IntAssociationFacetField(2, "int", "a"));
        doc.add(new FloatAssociationFacetField(0.5f, "float", "a"));
        if (i % 2 == 0) { // 50
          doc.add(new IntAssociationFacetField(3, "int", "b"));
          doc.add(new FloatAssociationFacetField(0.2f, "float", "b"));
        }
      }
      writer.addDocument(config.build(taxoWriter, doc));
    }
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    TaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    FacetsConfig config = new FacetsConfig();
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);

    Document doc = new Document();
    doc.add(new IntAssociationFacetField(14, "a", "x"));
    doc.add(new FloatAssociationFacetField(55.0f, "b", "y"));
    try {
      writer.addDocument(config.build(taxoWriter, doc));
      fail("did not hit expected exception");
    } catch (IllegalArgumentException exc) {
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    FacetsConfig config = new FacetsConfig();
    config.setHierarchical("a", true);
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);

    Document doc = new Document();
    doc.add(new IntAssociationFacetField(14, "a", "x"));
    try {
      writer.addDocument(config.build(taxoWriter, doc));
      fail("did not hit expected exception");
    } catch (IllegalArgumentException exc) {
      // expected
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    FacetsConfig config = new FacetsConfig();
    config.setRequireDimCount("a", true);
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);

    Document doc = new Document();
    doc.add(new IntAssociationFacetField(14, "a", "x"));
    try {
      writer.addDocument(config.build(taxoWriter, doc));
      fail("did not hit expected exception");
    } catch (IllegalArgumentException exc) {
      // expected
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    // Writes facet ords to a separate directory from the main index
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);

    Document doc = new Document();
    // 3 occurrences for tag 'lucene'
    doc.add(new IntAssociationFacetField(3, "tags", "lucene"));
    // 87% confidence level of genre 'computing'
    doc.add(new FloatAssociationFacetField(0.87f, "genre", "computing"));
    indexWriter.addDocument(config.build(taxoWriter, doc));

    doc = new Document();
    // 1 occurrence for tag 'lucene'
    doc.add(new IntAssociationFacetField(1, "tags", "lucene"));
    // 2 occurrence for tag 'solr'
    doc.add(new IntAssociationFacetField(2, "tags", "solr"));
    // 75% confidence level of genre 'computing'
    doc.add(new FloatAssociationFacetField(0.75f, "genre", "computing"));
    // 34% confidence level of genre 'software'
    doc.add(new FloatAssociationFacetField(0.34f, "genre", "software"));
    indexWriter.addDocument(config.build(taxoWriter, doc));
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Related Classes of org.apache.lucene.facet.taxonomy.IntAssociationFacetField

  • org.apache.lucene.demo.facet.AssociationsFacetsExample
  • org.apache.lucene.facet.taxonomy.TestTaxonomyFacetAssociations
  • org.apache.lucene.util.BytesRef
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