Examples with DirectoryTaxonomyReader org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader used on opensource projects

Example 26 with DirectoryTaxonomyReader

use of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader in project lucene-solr by apache.

the class TestTaxonomyFacetCounts method testMultiValuedHierarchy.

public void testMultiValuedHierarchy() throws Exception {
    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);
    FacetsConfig config = new FacetsConfig();
    config.setHierarchical("a", true);
    config.setMultiValued("a", true);
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    Document doc = new Document();
    doc.add(newTextField("field", "text", Field.Store.NO));
    doc.add(new FacetField("a", "path", "x"));
    doc.add(new FacetField("a", "path", "y"));
    writer.addDocument(config.build(taxoWriter, doc));
    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    Facets facets = getAllFacets(FacetsConfig.DEFAULT_INDEX_FIELD_NAME, searcher, taxoReader, config);
    expectThrows(IllegalArgumentException.class, () -> {
        facets.getSpecificValue("a");
    });
    FacetResult result = facets.getTopChildren(10, "a");
    assertEquals(1, result.labelValues.length);
    assertEquals(1, result.labelValues[0].value.intValue());
    writer.close();
    IOUtils.close(taxoWriter, searcher.getIndexReader(), taxoReader, dir, taxoDir);
}

Example 27 with DirectoryTaxonomyReader

use of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader in project lucene-solr by apache.

the class TestMultipleIndexFields method testCustom.

@Test
public void testCustom() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    // create and open an index writer
    RandomIndexWriter iw = new RandomIndexWriter(random(), indexDir, newIndexWriterConfig(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false)));
    // create and open a taxonomy writer
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(taxoDir, OpenMode.CREATE);
    FacetsConfig config = getConfig();
    config.setIndexFieldName("Author", "$author");
    seedIndex(tw, iw, config);
    IndexReader ir = iw.getReader();
    tw.commit();
    // prepare index reader and taxonomy.
    TaxonomyReader tr = new DirectoryTaxonomyReader(taxoDir);
    // prepare searcher to search against
    IndexSearcher searcher = newSearcher(ir);
    FacetsCollector sfc = performSearch(tr, ir, searcher);
    Map<String, Facets> facetsMap = new HashMap<>();
    facetsMap.put("Author", getTaxonomyFacetCounts(tr, config, sfc, "$author"));
    Facets facets = new MultiFacets(facetsMap, getTaxonomyFacetCounts(tr, config, sfc));
    // Obtain facets results and hand-test them
    assertCorrectResults(facets);
    assertOrdinalsExist("$facets", ir);
    assertOrdinalsExist("$author", ir);
    iw.close();
    IOUtils.close(tr, ir, tw, indexDir, taxoDir);
}

Example 28 with DirectoryTaxonomyReader

use of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader in project lucene-solr by apache.

the class SimpleFacetsExample method drillSideways.

/** User drills down on 'Publish Date/2010', and we
   *  return facets for both 'Publish Date' and 'Author',
   *  using DrillSideways. */
private List<FacetResult> drillSideways() throws IOException {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    // Passing no baseQuery means we drill down on all
    // documents ("browse only"):
    DrillDownQuery q = new DrillDownQuery(config);
    // Now user drills down on Publish Date/2010:
    q.add("Publish Date", "2010");
    DrillSideways ds = new DrillSideways(searcher, config, taxoReader);
    DrillSidewaysResult result = ds.search(q, 10);
    // Retrieve results
    List<FacetResult> facets = result.facets.getAllDims(10);
    indexReader.close();
    taxoReader.close();
    return facets;
}

Example 29 with DirectoryTaxonomyReader

use of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader in project lucene-solr by apache.

the class SimpleFacetsExample method drillDown.

/** User drills down on 'Publish Date/2010', and we
   *  return facets for 'Author' */
private FacetResult drillDown() throws IOException {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    // Passing no baseQuery means we drill down on all
    // documents ("browse only"):
    DrillDownQuery q = new DrillDownQuery(config);
    // Now user drills down on Publish Date/2010:
    q.add("Publish Date", "2010");
    FacetsCollector fc = new FacetsCollector();
    FacetsCollector.search(searcher, q, 10, fc);
    // Retrieve results
    Facets facets = new FastTaxonomyFacetCounts(taxoReader, config, fc);
    FacetResult result = facets.getTopChildren(10, "Author");
    indexReader.close();
    taxoReader.close();
    return result;
}

Example 30 with DirectoryTaxonomyReader

use of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader in project lucene-solr by apache.

the class TestTaxonomyFacetCounts method testRequireDimCount.

public void testRequireDimCount() throws Exception {
    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);
    FacetsConfig config = new FacetsConfig();
    config.setRequireDimCount("dim", true);
    config.setMultiValued("dim2", true);
    config.setRequireDimCount("dim2", true);
    config.setMultiValued("dim3", true);
    config.setHierarchical("dim3", true);
    config.setRequireDimCount("dim3", true);
    Document doc = new Document();
    doc.add(newTextField("field", "text", Field.Store.NO));
    doc.add(new FacetField("dim", "a"));
    doc.add(new FacetField("dim2", "a"));
    doc.add(new FacetField("dim2", "b"));
    doc.add(new FacetField("dim3", "a", "b"));
    doc.add(new FacetField("dim3", "a", "c"));
    writer.addDocument(config.build(taxoWriter, doc));
    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    Facets facets = getAllFacets(FacetsConfig.DEFAULT_INDEX_FIELD_NAME, searcher, taxoReader, config);
    assertEquals(1, facets.getTopChildren(10, "dim").value);
    assertEquals(1, facets.getTopChildren(10, "dim2").value);
    assertEquals(1, facets.getTopChildren(10, "dim3").value);
    expectThrows(IllegalArgumentException.class, () -> {
        facets.getSpecificValue("dim");
    });
    assertEquals(1, facets.getSpecificValue("dim2"));
    assertEquals(1, facets.getSpecificValue("dim3"));
    writer.close();
    IOUtils.close(taxoWriter, searcher.getIndexReader(), taxoReader, dir, taxoDir);
}