Examples of org.apache.lucene.facet.FacetsConfig

org.apache.lucene.facet.FacetsConfig
Records per-dimension configuration. By default a dimension is flat, single valued and does not require count for the dimension; use the setters in this class to change these settings for each dim.
NOTE: this configuration is not saved into the index, but it's vital, and up to the application to ensure, that at search time the provided {@code FacetsConfig} matches what was used during indexing. @lucene.experimental

    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) {
      Document doc = new Document();
      if (random().nextBoolean()) { // don't match all documents
        doc.add(new StringField("f", "v", Field.Store.NO));
      }
      doc.add(new FacetField("dim", "a"));
      iw.addDocument(config.build(taxoWriter, doc));
    }
    
    DirectoryReader r = DirectoryReader.open(iw, true);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

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    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)));
      doc.add(new FacetField("a", Integer.toString(i % 2)));
      iw.addDocument(config.build(taxoWriter, doc));
    }
    
    DirectoryReader r = DirectoryReader.open(iw, true);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

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    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)));
      doc.add(new FacetField("a", Integer.toString(i % 2)));
      iw.addDocument(config.build(taxoWriter, doc));
    }
    
    DirectoryReader r = DirectoryReader.open(iw, true);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

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    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);
    
    for (int i = 0; i < 4; i++) {
      Document doc = new Document();
      doc.add(new NumericDocValuesField("price", (i+1)));
      doc.add(new FacetField("a", Integer.toString(i % 2), "1"));
      iw.addDocument(config.build(taxoWriter, doc));
    }
    
    DirectoryReader r = DirectoryReader.open(iw, true);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

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    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) {
      Document doc = new Document();
      doc.add(new StringField("f", "v", Field.Store.NO));
      doc.add(new FacetField("a", "1"));
      doc.add(new FacetField("b", "1"));
      iw.addDocument(config.build(taxoWriter, doc));
    }
    
    DirectoryReader r = DirectoryReader.open(iw, true);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

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    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) {
      Document doc = new Document();
      doc.add(newStringField("content", testDoc.content, Field.Store.NO));
      testDoc.value = random().nextFloat();
      doc.add(new FloatDocValuesField("value", testDoc.value));
      for(int j=0;j<numDims;j++) {
        if (testDoc.dims[j] != null) {
          doc.add(new FacetField("dim" + j, testDoc.dims[j]));
        }
      }
      w.addDocument(config.build(tw, doc));
    }


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

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    TieredMergePolicy tmp = new TieredMergePolicy();
    tmp.setFloorSegmentMB(.001);
    iwc.setMergePolicy(tmp);
    final IndexWriter w = new IndexWriter(dir, iwc);
    final DirectoryTaxonomyWriter tw = new DirectoryTaxonomyWriter(taxoDir);
    final FacetsConfig config = new FacetsConfig();
    config.setMultiValued("field", true);
    final AtomicBoolean stop = new AtomicBoolean();


    // How many unique facets to index before stopping:
    final int ordLimit = TEST_NIGHTLY ? 100000 : 6000;

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    final DirectoryTaxonomyWriter tw = new DirectoryTaxonomyWriter(taxoDir);
    // first empty commit
    w.commit();
    tw.commit();
    final SearcherTaxonomyManager mgr = new SearcherTaxonomyManager(indexDir, taxoDir, null);
    final FacetsConfig config = new FacetsConfig();
    config.setMultiValued("field", true);
    final AtomicBoolean stop = new AtomicBoolean();


    // How many unique facets to index before stopping:
    final int ordLimit = TEST_NIGHTLY ? 100000 : 6000;

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    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
    IndexWriter writer = new IndexWriter(indexDir, conf);
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    FacetsConfig config = new FacetsConfig();
    
    Document doc = new Document();
    doc.add(new FacetField("A", "1"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new FacetField("A", "2"));
    writer.addDocument(config.build(taxoWriter, doc));
    
    final DirectoryReader reader = DirectoryReader.open(writer, true);
    final CachedOrdinalsReader ordsReader = new CachedOrdinalsReader(new DocValuesOrdinalsReader(FacetsConfig.DEFAULT_INDEX_FIELD_NAME));
    Thread[] threads = new Thread[3];
    for (int i = 0; i < threads.length; i++) {

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    Directory d = newDirectory();
    RandomIndexWriter w = new RandomIndexWriter(random(), d);
    Directory td = newDirectory();
    DirectoryTaxonomyWriter tw = new DirectoryTaxonomyWriter(td, IndexWriterConfig.OpenMode.CREATE);


    FacetsConfig config = new FacetsConfig();


    for (long l = 0; l < 100; l++) {
      Document doc = new Document();
      // For computing range facet counts:
      doc.add(new NumericDocValuesField("field", l));
      // For drill down by numeric range:
      doc.add(new LongField("field", l, Field.Store.NO));


      if ((l&3) == 0) {
        doc.add(new FacetField("dim", "a"));
      } else {
        doc.add(new FacetField("dim", "b"));
      }
      w.addDocument(config.build(tw, doc));
    }


    final IndexReader r = w.getReader();


    final TaxonomyReader tr = new DirectoryTaxonomyReader(tw);

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org.apache.lucene.demo.facet.AssociationsFacetsExample

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org.apache.lucene.document.BinaryDocValuesField

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org.apache.lucene.document.SortedSetDocValuesField

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org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField

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