Package org.apache.lucene.facet.index

Examples of org.apache.lucene.facet.index.CategoryContainer

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    int nDocsAdded = 0;
    int nFacetsAdded = 0;
    for (int docNum = 0; docNum < SimpleUtils.docTexts.length; docNum++) {
      ExampleUtils.log(" ++++ DOC ID: " + docNum);
      // obtain the sample categories for current document
      CategoryContainer categoryContainer = new CategoryContainer();
      for (CategoryPath path : SimpleUtils.categories[docNum]) {
        categoryContainer.addCategory(path);
        ExampleUtils.log("\t ++++ PATH: " + path);
      }
      // and also those with associations
      CategoryPath[] associationsPaths = AssociationUtils.categories[docNum];
      AssociationProperty[] associationProps = AssociationUtils.associations[docNum];
      for (int i = 0; i < associationsPaths.length; i++) {
        categoryContainer.addCategory(associationsPaths[i], associationProps[i]);
        ExampleUtils.log("\t $$$$ Association: ("
            + associationsPaths[i] + "," + associationProps[i]
            + ")");
      }

      // we do not alter indexing parameters!
      // a category document builder will add the categories to a document
      // once build() is called
      CategoryDocumentBuilder categoryDocBuilder = new EnhancementsDocumentBuilder(
          taxo, AssociationUtils.assocIndexingParams);
      categoryDocBuilder.setCategories(categoryContainer);

      // create a plain Lucene document and add some regular Lucene fields
      // to it
      Document doc = new Document();
      doc.add(new Field(SimpleUtils.TITLE, SimpleUtils.docTitles[docNum],
          Store.YES, Index.ANALYZED));
      doc.add(new Field(SimpleUtils.TEXT, SimpleUtils.docTexts[docNum],
          Store.NO, Index.ANALYZED));

      // invoke the category document builder for adding categories to the
      // document and,
      // as required, to the taxonomy index
      categoryDocBuilder.build(doc);

      // finally add the document to the index
      iw.addDocument(doc);

      nDocsAdded++;
      nFacetsAdded += categoryContainer.size();
    }

    // commit changes.
    // we commit changes to the taxonomy index prior to committing them to
    // the search index.
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    RandomIndexWriter w = new RandomIndexWriter(random, iDir,
        newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random, MockTokenizer.KEYWORD, false)));
    LuceneTaxonomyWriter taxoW = new LuceneTaxonomyWriter(tDir);
   
    CategoryContainer cc = new CategoryContainer();
    EnhancementsDocumentBuilder builder = new EnhancementsDocumentBuilder(taxoW, iParams);
    for (int i = 1; i <= NUM_CATEGORIES; i++) {
      CategoryAttributeImpl ca = new CategoryAttributeImpl(new CategoryPath(Integer.toString(i)));
      ca.addProperty(new CustomProperty(i));
     
      cc.addCategory(ca);
    }
    builder.setCategories(cc);
    w.addDocument(builder.build(new Document()));
    taxoW.close();
    IndexReader reader = w.getReader();
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    initialCatgeories = new CategoryPath[3];
    initialCatgeories[0] = new CategoryPath("one", "two", "three");
    initialCatgeories[1] = new CategoryPath("four");
    initialCatgeories[2] = new CategoryPath("five", "six");

    categoryContainer = new CategoryContainer();

    for (int i = 0; i < initialCatgeories.length; i++) {
      categoryContainer.addCategory(initialCatgeories[i]);
    }
  }
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            new AssociationEnhancement()));
   
    // index documents, 50% have only 'b' and all have 'a'
    for (int i = 0; i < 100; i++) {
      Document doc = new Document();
      CategoryContainer container = new CategoryContainer();
      container.addCategory(aint, new AssociationIntProperty(2));
      container.addCategory(afloat, new AssociationFloatProperty(0.5f));
      if (i % 2 == 0) { // 50
        container.addCategory(bint, new AssociationIntProperty(3));
        container.addCategory(bfloat, new AssociationFloatProperty(0.2f));
      }
      builder.setCategories(container).build(doc);
      writer.addDocument(doc);
    }
   
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    int nDocsAdded = 0;
    int nFacetsAdded = 0;
    for (int docNum = 0; docNum < SimpleUtils.docTexts.length; docNum++) {
      ExampleUtils.log(" ++++ DOC ID: " + docNum);
      // obtain the sample categories for current document
      CategoryContainer categoryContainer = new CategoryContainer();
      for (CategoryPath path : SimpleUtils.categories[docNum]) {
        categoryContainer.addCategory(path);
        ExampleUtils.log("\t ++++ PATH: " + path);
      }
      // and also those with associations
      CategoryPath[] associationsPaths = AssociationUtils.categories[docNum];
      AssociationProperty[] associationProps = AssociationUtils.associations[docNum];
      for (int i = 0; i < associationsPaths.length; i++) {
        categoryContainer.addCategory(associationsPaths[i], associationProps[i]);
        ExampleUtils.log("\t $$$$ Association: ("
            + associationsPaths[i] + "," + associationProps[i]
            + ")");
      }

      // we do not alter indexing parameters!
      // a category document builder will add the categories to a document
      // once build() is called
      CategoryDocumentBuilder categoryDocBuilder = new EnhancementsDocumentBuilder(
          taxo, AssociationUtils.assocIndexingParams);
      categoryDocBuilder.setCategories(categoryContainer);

      // create a plain Lucene document and add some regular Lucene fields
      // to it
      Document doc = new Document();
      doc.add(new Field(SimpleUtils.TITLE, SimpleUtils.docTitles[docNum],
          Store.YES, Index.ANALYZED));
      doc.add(new Field(SimpleUtils.TEXT, SimpleUtils.docTexts[docNum],
          Store.NO, Index.ANALYZED));

      // invoke the category document builder for adding categories to the
      // document and,
      // as required, to the taxonomy index
      categoryDocBuilder.build(doc);

      // finally add the document to the index
      iw.addDocument(doc);

      nDocsAdded++;
      nFacetsAdded += categoryContainer.size();
    }

    // commit changes.
    // we commit changes to the taxonomy index prior to committing them to
    // the search index.
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    int nDocsAdded = 0;
    int nFacetsAdded = 0;
    for (int docNum = 0; docNum < SimpleUtils.docTexts.length; docNum++) {
      ExampleUtils.log(" ++++ DOC ID: " + docNum);
      // obtain the sample categories for current document
      CategoryContainer categoryContainer = new CategoryContainer();
      for (CategoryPath path : SimpleUtils.categories[docNum]) {
        categoryContainer.addCategory(path);
        ExampleUtils.log("\t ++++ PATH: " + path);
      }
      // and also those with associations
      CategoryPath[] associationsPaths = AssociationUtils.categories[docNum];
      AssociationProperty[] associationProps = AssociationUtils.associations[docNum];
      for (int i = 0; i < associationsPaths.length; i++) {
        categoryContainer.addCategory(associationsPaths[i], associationProps[i]);
        ExampleUtils.log("\t $$$$ Association: ("
            + associationsPaths[i] + "," + associationProps[i]
            + ")");
      }

      // we do not alter indexing parameters!
      // a category document builder will add the categories to a document
      // once build() is called
      CategoryDocumentBuilder categoryDocBuilder = new EnhancementsDocumentBuilder(
          taxo, AssociationUtils.assocIndexingParams);
      categoryDocBuilder.setCategories(categoryContainer);

      // create a plain Lucene document and add some regular Lucene fields
      // to it
      Document doc = new Document();
      doc.add(new TextField(SimpleUtils.TITLE, SimpleUtils.docTitles[docNum], Field.Store.YES));
      doc.add(new TextField(SimpleUtils.TEXT, SimpleUtils.docTexts[docNum], Field.Store.NO));

      // invoke the category document builder for adding categories to the
      // document and,
      // as required, to the taxonomy index
      categoryDocBuilder.build(doc);

      // finally add the document to the index
      iw.addDocument(doc);

      nDocsAdded++;
      nFacetsAdded += categoryContainer.size();
    }

    // commit changes.
    // we commit changes to the taxonomy index prior to committing them to
    // the search index.
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    RandomIndexWriter w = new RandomIndexWriter(random, iDir,
        newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random, MockTokenizer.KEYWORD, false)));
    DirectoryTaxonomyWriter taxoW = new DirectoryTaxonomyWriter(tDir);
   
    CategoryContainer cc = new CategoryContainer();
    EnhancementsDocumentBuilder builder = new EnhancementsDocumentBuilder(taxoW, iParams);
    for (int i = 1; i <= NUM_CATEGORIES; i++) {
      CategoryAttributeImpl ca = new CategoryAttributeImpl(new CategoryPath(Integer.toString(i)));
      ca.addProperty(new CustomProperty(i));
     
      cc.addCategory(ca);
    }
    builder.setCategories(cc);
    w.addDocument(builder.build(new Document()));
    taxoW.close();
    IndexReader reader = w.getReader();
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  private int maxValue = maxDocFacets * maxFacetDepth;
 
  @Override
  public CategoryContainer getNextFacets(CategoryContainer facets) throws NoMoreDataException, IOException {
    if (facets == null) {
      facets = new CategoryContainer();
    } else {
      facets.clear();
    }
    int numFacets = 1 + random.nextInt(maxDocFacets-1); // at least one facet to each doc
    for (int i=0; i<numFacets; i++) {
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            new AssociationEnhancement()));
   
    // index documents, 50% have only 'b' and all have 'a'
    for (int i = 0; i < 100; i++) {
      Document doc = new Document();
      CategoryContainer container = new CategoryContainer();
      container.addCategory(aint, new AssociationIntProperty(2));
      container.addCategory(afloat, new AssociationFloatProperty(0.5f));
      if (i % 2 == 0) { // 50
        container.addCategory(bint, new AssociationIntProperty(3));
        container.addCategory(bfloat, new AssociationFloatProperty(0.2f));
      }
      builder.setCategories(container).build(doc);
      writer.addDocument(doc);
    }
   
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Related Classes of org.apache.lucene.facet.index.CategoryContainer

  • org.apache.lucene.benchmark.byTask.feeds.RandomFacetSource
  • org.apache.lucene.facet.enhancements.association.CustomAssociationPropertyTest
  • org.apache.lucene.facet.example.association.AssociationIndexer
  • org.apache.lucene.facet.index.attributes.CategoryAttribute
  • org.apache.lucene.facet.index.attributes.CategoryAttributeImpl
  • org.apache.lucene.facet.index.attributes.CategoryProperty
  • org.apache.lucene.facet.index.CategoryContainerTestBase
  • org.apache.lucene.facet.search.association.AssociationsFacetRequestTest
  • org.apache.lucene.facet.taxonomy.CategoryPath
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