Examples with Facets org.apache.lucene.facet.Facets used on opensource projects

Example 16 with Facets

use of org.apache.lucene.facet.Facets in project lucene-solr by apache.

the class TestTaxonomyFacetAssociations method testFloatSumAssociation.

public void testFloatSumAssociation() throws Exception {
    FacetsCollector fc = new FacetsCollector();
    IndexSearcher searcher = newSearcher(reader);
    searcher.search(new MatchAllDocsQuery(), fc);
    Facets facets = new TaxonomyFacetSumFloatAssociations("$facets.float", taxoReader, config, fc);
    assertEquals("dim=float path=[] value=-1.0 childCount=2\n  a (50.0)\n  b (9.999995)\n", facets.getTopChildren(10, "float").toString());
    assertEquals("Wrong count for category 'a'!", 50f, facets.getSpecificValue("float", "a").floatValue(), 0.00001);
    assertEquals("Wrong count for category 'b'!", 10f, facets.getSpecificValue("float", "b").floatValue(), 0.00001);
}

Example 17 with Facets

use of org.apache.lucene.facet.Facets in project lucene-solr by apache.

the class TestTaxonomyFacetCounts method testSeparateIndexedFields.

public void testSeparateIndexedFields() throws Exception {
    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(new MockAnalyzer(random())));
    FacetsConfig config = new FacetsConfig();
    config.setIndexFieldName("b", "$b");
    for (int i = atLeast(30); i > 0; --i) {
        Document doc = new Document();
        doc.add(new StringField("f", "v", Field.Store.NO));
        doc.add(new FacetField("a", "1"));
        doc.add(new FacetField("b", "1"));
        iw.addDocument(config.build(taxoWriter, doc));
    }
    DirectoryReader r = DirectoryReader.open(iw);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    FacetsCollector sfc = new FacetsCollector();
    newSearcher(r).search(new MatchAllDocsQuery(), sfc);
    Facets facets1 = getTaxonomyFacetCounts(taxoReader, config, sfc);
    Facets facets2 = getTaxonomyFacetCounts(taxoReader, config, sfc, "$b");
    assertEquals(r.maxDoc(), facets1.getTopChildren(10, "a").value.intValue());
    assertEquals(r.maxDoc(), facets2.getTopChildren(10, "b").value.intValue());
    iw.close();
    IOUtils.close(taxoWriter, taxoReader, taxoDir, r, indexDir);
}

Example 18 with Facets

use of org.apache.lucene.facet.Facets 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 19 with Facets

use of org.apache.lucene.facet.Facets in project lucene-solr by apache.

the class DistanceFacetsExample method search.

/** User runs a query and counts facets. */
public FacetResult search() throws IOException {
    FacetsCollector fc = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), fc);
    Facets facets = new DoubleRangeFacetCounts("field", getDistanceValueSource(), fc, getBoundingBoxQuery(ORIGIN_LATITUDE, ORIGIN_LONGITUDE, 10.0), ONE_KM, TWO_KM, FIVE_KM, TEN_KM);
    return facets.getTopChildren(10, "field");
}

Example 20 with Facets

use of org.apache.lucene.facet.Facets 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;
}