Package org.apache.lucene.facet.taxonomy.directory

Examples of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter

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    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();

    // Writes facet ords to a separate directory from the
    // main index:
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);

    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    FacetsConfig config = new FacetsConfig();

    // Reused across documents, to add the necessary facet
    // fields:
    Document doc = new Document();
    doc.add(new IntField("num", 10, Field.Store.NO));
    doc.add(new FacetField("Author", "Bob"));
    writer.addDocument(config.build(taxoWriter, doc));

    doc = new Document();
    doc.add(new IntField("num", 20, Field.Store.NO));
    doc.add(new FacetField("Author", "Lisa"));
    writer.addDocument(config.build(taxoWriter, doc));

    doc = new Document();
    doc.add(new IntField("num", 30, Field.Store.NO));
    doc.add(new FacetField("Author", "Lisa"));
    writer.addDocument(config.build(taxoWriter, doc));

    doc = new Document();
    doc.add(new IntField("num", 40, Field.Store.NO));
    doc.add(new FacetField("Author", "Susan"));
    writer.addDocument(config.build(taxoWriter, doc));

    doc = new Document();
    doc.add(new IntField("num", 45, Field.Store.NO));
    doc.add(new FacetField("Author", "Frank"));
    writer.addDocument(config.build(taxoWriter, doc));

    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();

    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    taxoWriter.close();

    // Aggregate the facet counts:
    FacetsCollector c = new FacetsCollector();

    // MatchAllDocsQuery is for "browsing" (counts facets
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    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();

    // Writes facet ords to a separate directory from the
    // main index:
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);

    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    FacetsConfig config = new FacetsConfig();

    Document doc = new Document();
    doc.add(new IntField("num", 10, Field.Store.NO));
    doc.add(new FacetField("a", "foo1"));
    writer.addDocument(config.build(taxoWriter, doc));

    if (random().nextBoolean()) {
      writer.commit();
    }

    doc = new Document();
    doc.add(new IntField("num", 20, Field.Store.NO));
    doc.add(new FacetField("a", "foo2"));
    doc.add(new FacetField("b", "bar1"));
    writer.addDocument(config.build(taxoWriter, doc));

    if (random().nextBoolean()) {
      writer.commit();
    }

    doc = new Document();
    doc.add(new IntField("num", 30, Field.Store.NO));
    doc.add(new FacetField("a", "foo3"));
    doc.add(new FacetField("b", "bar2"));
    doc.add(new FacetField("c", "baz1"));
    writer.addDocument(config.build(taxoWriter, doc));

    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();

    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    taxoWriter.close();

    FacetsCollector c = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), c);   

    TaxonomyFacetSumValueSource facets = new TaxonomyFacetSumValueSource(taxoReader, new FacetsConfig(), c, new IntFieldSource("num"));
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    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();

    // Writes facet ords to a separate directory from the
    // main index:
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);

    FacetsConfig config = new FacetsConfig();
    config.setIndexFieldName("a", "$facets2");

    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);

    Document doc = new Document();
    doc.add(new IntField("num", 10, Field.Store.NO));
    doc.add(new FacetField("a", "foo1"));
    writer.addDocument(config.build(taxoWriter, doc));

    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();

    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    taxoWriter.close();

    FacetsCollector c = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), c);   

    TaxonomyFacetSumValueSource facets = new TaxonomyFacetSumValueSource(taxoReader, config, c, new IntFieldSource("num"));
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  public void testSumScoreAggregator() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();

    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));

    FacetsConfig config = new FacetsConfig();

    for(int i = atLeast(30); i > 0; --i) {
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  public void testNoScore() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();

    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    FacetsConfig config = new FacetsConfig();
    for (int i = 0; i < 4; i++) {
      Document doc = new Document();
      doc.add(new NumericDocValuesField("price", (i+1)));
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  public void testWithScore() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();

    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));

    FacetsConfig config = new FacetsConfig();
    for (int i = 0; i < 4; i++) {
      Document doc = new Document();
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  public void testRollupValues() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();

    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    FacetsConfig config = new FacetsConfig();
    config.setHierarchical("a", true);
    //config.setRequireDimCount("a", true);
   
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  public void testCountAndSumScore() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
   
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    FacetsConfig config = new FacetsConfig();
    config.setIndexFieldName("b", "$b");
   
    for(int i = atLeast(30); i > 0; --i) {
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    String[] tokens = getRandomTokens(10);
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();

    RandomIndexWriter w = new RandomIndexWriter(random(), indexDir);
    DirectoryTaxonomyWriter tw = new DirectoryTaxonomyWriter(taxoDir);
    FacetsConfig config = new FacetsConfig();
    int numDocs = atLeast(1000);
    int numDims = _TestUtil.nextInt(random(), 1, 7);
    List<TestDoc> testDocs = getRandomDocs(tokens, numDocs, numDims);
    for(TestDoc testDoc : testDocs) {
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    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();

    // Writes facet ords to a separate directory from the
    // main index:
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);

    FacetsConfig config = new FacetsConfig();
    config.setHierarchical("Publish Date", true);

    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
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Related Classes of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter

  • org.apache.lucene.analysis.KeywordAnalyzer
  • org.apache.lucene.benchmark.byTask.tasks.CreateTaxonomyIndexTask
  • org.apache.lucene.benchmark.byTask.tasks.OpenTaxonomyIndexTask
  • org.apache.lucene.demo.facet.AssociationsFacetsExample
  • org.apache.lucene.demo.facet.ExpressionAggregationFacetsExample
  • org.apache.lucene.demo.facet.MultiCategoryListsFacetsExample
  • org.apache.lucene.demo.facet.SimpleFacetsExample
  • org.apache.lucene.document.Document
  • org.apache.lucene.document.Field
  • org.apache.lucene.document.FieldType
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