Package org.apache.lucene.facet.index.streaming

Examples of org.apache.lucene.facet.index.streaming.CategoryAttributesStream

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    // creates a different stream for each different field
    for (Entry<String, List<CategoryAttribute>> e : categoriesMap
        .entrySet()) {
      // create a category attributes stream for the array of facets
      CategoryAttributesStream categoryAttributesStream = new CategoryAttributesStream(
          e.getValue());

      // Set a suitable {@link TokenStream} using
      // CategoryParentsStream, followed by CategoryListTokenizer and
      // CategoryTokenizer composition (the ordering of the last two is
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   *
   * @throws IOException
   */
  @Test
  public void testCategoryAttributesStream() throws IOException {
    CategoryAttributesStream stream = new CategoryAttributesStream(
        categoryContainer);
    // count the number of tokens
    int nTokens;
    for (nTokens = 0; stream.incrementToken(); nTokens++) {
    }
    assertEquals("Wrong number of tokens", 3, nTokens);
  }
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    Directory directory = newDirectory();
    TaxonomyWriter taxonomyWriter = new LuceneTaxonomyWriter(
        directory);
    DefaultFacetIndexingParams indexingParams = new DefaultFacetIndexingParams();
    CategoryTokenizer tokenizer = new CategoryTokenizer(
        new CategoryAttributesStream(categoryContainer),
        indexingParams);

    // count the number of tokens
    Set<String> categoryTerms = new HashSet<String>();
    for (int i = 0; i < initialCatgeories.length; i++) {
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    longCategory.add(new CategoryPath("one", "two", "three", "four",
        "five", "six", "seven"));

    DefaultFacetIndexingParams indexingParams = new DefaultFacetIndexingParams();
    CategoryTokenizer tokenizer = new CategoryTokenizer(
        new CategoryAttributesStream(new CategoryAttributesIterable(
            longCategory)), indexingParams);

    // count the number of tokens
    String categoryTerm = longCategory.get(0).toString(
        indexingParams.getFacetDelimChar());
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  public void testStreamDefaultParams() throws IOException {
    Directory directory = newDirectory();
    TaxonomyWriter taxonomyWriter = new LuceneTaxonomyWriter(
        directory);
    CategoryParentsStream stream = new CategoryParentsStream(
        new CategoryAttributesStream(categoryContainer),
        taxonomyWriter, new DefaultFacetIndexingParams());

    // count the number of tokens
    int nTokens;
    for (nTokens = 0; stream.incrementToken(); nTokens++) {
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        return new NonTopLevelPathPolicy();
      }
    };
   
    CategoryParentsStream stream = new CategoryParentsStream(
        new CategoryAttributesStream(categoryContainer),
        taxonomyWriter, indexingParams);

    // count the number of tokens
    int nTokens;
    for (nTokens = 0; stream.incrementToken(); nTokens++) {
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  @Test
  public void testNoRetainableAttributes() throws IOException, FacetException {
    Directory directory = newDirectory();
    TaxonomyWriter taxonomyWriter = new LuceneTaxonomyWriter(directory);

    new CategoryParentsStream(new CategoryAttributesStream(categoryContainer),
        taxonomyWriter, new DefaultFacetIndexingParams());

    // add DummyAttribute, but do not retain, only one expected
    categoryContainer.addCategory(initialCatgeories[0], new DummyProperty());

    CategoryParentsStream stream = new CategoryParentsStream(new CategoryAttributesStream(
        categoryContainer), taxonomyWriter,
        new DefaultFacetIndexingParams());

    int nAttributes = 0;
    while (stream.incrementToken()) {
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    Directory directory = newDirectory();
    TaxonomyWriter taxonomyWriter = new LuceneTaxonomyWriter(
        directory);

    FacetIndexingParams indexingParams = new DefaultFacetIndexingParams();
    new CategoryParentsStream(new CategoryAttributesStream(
        categoryContainer), taxonomyWriter, indexingParams);

    // add DummyAttribute and retain it, three expected
    categoryContainer.clear();
    categoryContainer
        .addCategory(initialCatgeories[0], new DummyProperty());
    CategoryParentsStream stream = new CategoryParentsStream(
        new CategoryAttributesStream(categoryContainer),
        taxonomyWriter, new DefaultFacetIndexingParams());
    stream.addRetainableProperty(DummyProperty.class);

    MyCategoryListTokenizer tokenizer = new MyCategoryListTokenizer(stream,
        indexingParams);
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    for (int i = 0; i < initialCatgeories.length; i++) {
      attributesList.add(new CategoryAttributeImpl(initialCatgeories[i]));
    }

    // test number of tokens
    CategoryAttributesStream stream = new CategoryAttributesStream(
        attributesList);
    int nTokens = 0;
    while (stream.incrementToken()) {
      nTokens++;
    }
    assertEquals("Wrong number of tokens", 3, nTokens);

    // test reset
    stream.reset();
    nTokens = 0;
    while (stream.incrementToken()) {
      nTokens++;
    }
    assertEquals("Wrong number of tokens", 3, nTokens);

    // test reset and contents
    Set<CategoryPath> pathsSet = new HashSet<CategoryPath>();
    for (int i = 0; i < initialCatgeories.length; i++) {
      pathsSet.add(initialCatgeories[i]);
    }
    stream.reset();
    while (stream.incrementToken()) {
      CategoryAttribute fromStream = stream
          .getAttribute(CategoryAttribute.class);
      if (!pathsSet.remove(fromStream.getCategoryPath())) {
        fail("Unexpected category path: "
            + fromStream.getCategoryPath().toString(':'));
      }
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    Directory directory = newDirectory();
    TaxonomyWriter taxonomyWriter = new DirectoryTaxonomyWriter(
        directory);
    DefaultFacetIndexingParams indexingParams = new DefaultFacetIndexingParams();
    CategoryTokenizer tokenizer = new CategoryTokenizer(
        new CategoryAttributesStream(categoryContainer),
        indexingParams);

    // count the number of tokens
    Set<String> categoryTerms = new HashSet<String>();
    for (int i = 0; i < initialCatgeories.length; i++) {
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Related Classes of org.apache.lucene.facet.index.streaming.CategoryAttributesStream

  • org.apache.lucene.facet.index.CategoryContainerTest
  • org.apache.lucene.facet.index.CategoryDocumentBuilder
  • org.apache.lucene.facet.index.streaming.CategoryAttributesStreamTest
  • org.apache.lucene.facet.index.streaming.CategoryParentsStreamTest
  • org.apache.lucene.facet.index.streaming.CategoryTokenizerTest
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