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

Example 1 with DrillDownQuery

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

the class TestSortedSetDocValuesFacets method testBasic.

// NOTE: TestDrillSideways.testRandom also sometimes
// randomly uses SortedSetDV
public void testBasic() throws Exception {
    Directory dir = newDirectory();
    FacetsConfig config = new FacetsConfig();
    config.setMultiValued("a", true);
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    Document doc = new Document();
    doc.add(new SortedSetDocValuesFacetField("a", "foo"));
    doc.add(new SortedSetDocValuesFacetField("a", "bar"));
    doc.add(new SortedSetDocValuesFacetField("a", "zoo"));
    doc.add(new SortedSetDocValuesFacetField("b", "baz"));
    writer.addDocument(config.build(doc));
    if (random().nextBoolean()) {
        writer.commit();
    }
    doc = new Document();
    doc.add(new SortedSetDocValuesFacetField("a", "foo"));
    writer.addDocument(config.build(doc));
    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    // Per-top-reader state:
    SortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState(searcher.getIndexReader());
    ExecutorService exec = randomExecutorServiceOrNull();
    Facets facets = getAllFacets(searcher, state, exec);
    assertEquals("dim=a path=[] value=4 childCount=3\n  foo (2)\n  bar (1)\n  zoo (1)\n", facets.getTopChildren(10, "a").toString());
    assertEquals("dim=b path=[] value=1 childCount=1\n  baz (1)\n", facets.getTopChildren(10, "b").toString());
    // DrillDown:
    DrillDownQuery q = new DrillDownQuery(config);
    q.add("a", "foo");
    q.add("b", "baz");
    TopDocs hits = searcher.search(q, 1);
    assertEquals(1, hits.totalHits);
    if (exec != null) {
        exec.shutdownNow();
    }
    writer.close();
    IOUtils.close(searcher.getIndexReader(), dir);
}

Example 2 with DrillDownQuery

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

the class TestRangeFacetCounts method testCustomDoubleValuesSource.

public void testCustomDoubleValuesSource() throws Exception {
    Directory dir = newDirectory();
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    Document doc = new Document();
    writer.addDocument(doc);
    writer.addDocument(doc);
    writer.addDocument(doc);
    // Test wants 3 docs in one segment:
    writer.forceMerge(1);
    final DoubleValuesSource vs = new DoubleValuesSource() {

        @Override
        public DoubleValues getValues(LeafReaderContext ctx, DoubleValues scores) throws IOException {
            return new DoubleValues() {

                int doc = -1;

                @Override
                public double doubleValue() throws IOException {
                    return doc + 1;
                }

                @Override
                public boolean advanceExact(int doc) throws IOException {
                    this.doc = doc;
                    return true;
                }
            };
        }

        @Override
        public boolean needsScores() {
            return false;
        }

        @Override
        public Explanation explain(LeafReaderContext ctx, int docId, Explanation scoreExplanation) throws IOException {
            return Explanation.match(docId + 1, "");
        }
    };
    FacetsConfig config = new FacetsConfig();
    FacetsCollector fc = new FacetsCollector();
    IndexReader r = writer.getReader();
    IndexSearcher s = newSearcher(r);
    s.search(new MatchAllDocsQuery(), fc);
    final DoubleRange[] ranges = new DoubleRange[] { new DoubleRange("< 1", 0.0, true, 1.0, false), new DoubleRange("< 2", 0.0, true, 2.0, false), new DoubleRange("< 5", 0.0, true, 5.0, false), new DoubleRange("< 10", 0.0, true, 10.0, false), new DoubleRange("< 20", 0.0, true, 20.0, false), new DoubleRange("< 50", 0.0, true, 50.0, false) };
    final Query fastMatchFilter;
    final AtomicBoolean filterWasUsed = new AtomicBoolean();
    if (random().nextBoolean()) {
        // Sort of silly:
        final Query in = new MatchAllDocsQuery();
        fastMatchFilter = new UsedQuery(in, filterWasUsed);
    } else {
        fastMatchFilter = null;
    }
    if (VERBOSE) {
        System.out.println("TEST: fastMatchFilter=" + fastMatchFilter);
    }
    Facets facets = new DoubleRangeFacetCounts("field", vs, fc, fastMatchFilter, ranges);
    assertEquals("dim=field path=[] value=3 childCount=6\n  < 1 (0)\n  < 2 (1)\n  < 5 (3)\n  < 10 (3)\n  < 20 (3)\n  < 50 (3)\n", facets.getTopChildren(10, "field").toString());
    assertTrue(fastMatchFilter == null || filterWasUsed.get());
    DrillDownQuery ddq = new DrillDownQuery(config);
    ddq.add("field", ranges[1].getQuery(fastMatchFilter, vs));
    // Test simple drill-down:
    assertEquals(1, s.search(ddq, 10).totalHits);
    // Test drill-sideways after drill-down
    DrillSideways ds = new DrillSideways(s, config, (TaxonomyReader) null) {

        @Override
        protected Facets buildFacetsResult(FacetsCollector drillDowns, FacetsCollector[] drillSideways, String[] drillSidewaysDims) throws IOException {
            assert drillSideways.length == 1;
            return new DoubleRangeFacetCounts("field", vs, drillSideways[0], fastMatchFilter, ranges);
        }

        @Override
        protected boolean scoreSubDocsAtOnce() {
            return random().nextBoolean();
        }
    };
    DrillSidewaysResult dsr = ds.search(ddq, 10);
    assertEquals(1, dsr.hits.totalHits);
    assertEquals("dim=field path=[] value=3 childCount=6\n  < 1 (0)\n  < 2 (1)\n  < 5 (3)\n  < 10 (3)\n  < 20 (3)\n  < 50 (3)\n", dsr.facets.getTopChildren(10, "field").toString());
    writer.close();
    IOUtils.close(r, dir);
}

Example 3 with DrillDownQuery

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

the class TestTaxonomyFacetCounts method testBasic.

public void testBasic() throws Exception {
    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();
    // Writes facet ords to a separate directory from the
    // main index:
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);
    FacetsConfig config = new FacetsConfig();
    config.setHierarchical("Publish Date", true);
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    Document doc = new Document();
    doc.add(new FacetField("Author", "Bob"));
    doc.add(new FacetField("Publish Date", "2010", "10", "15"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new FacetField("Author", "Lisa"));
    doc.add(new FacetField("Publish Date", "2010", "10", "20"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new FacetField("Author", "Lisa"));
    doc.add(new FacetField("Publish Date", "2012", "1", "1"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new FacetField("Author", "Susan"));
    doc.add(new FacetField("Publish Date", "2012", "1", "7"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new FacetField("Author", "Frank"));
    doc.add(new FacetField("Publish Date", "1999", "5", "5"));
    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);
    // Retrieve & verify results:
    assertEquals("dim=Publish Date path=[] value=5 childCount=3\n  2010 (2)\n  2012 (2)\n  1999 (1)\n", facets.getTopChildren(10, "Publish Date").toString());
    assertEquals("dim=Author path=[] value=5 childCount=4\n  Lisa (2)\n  Bob (1)\n  Susan (1)\n  Frank (1)\n", facets.getTopChildren(10, "Author").toString());
    // Now user drills down on Publish Date/2010:
    DrillDownQuery q2 = new DrillDownQuery(config);
    q2.add("Publish Date", "2010");
    FacetsCollector c = new FacetsCollector();
    searcher.search(q2, c);
    facets = new FastTaxonomyFacetCounts(taxoReader, config, c);
    assertEquals("dim=Author path=[] value=2 childCount=2\n  Bob (1)\n  Lisa (1)\n", facets.getTopChildren(10, "Author").toString());
    assertEquals(1, facets.getSpecificValue("Author", "Lisa"));
    assertNull(facets.getTopChildren(10, "Non exitent dim"));
    // Smoke test PrintTaxonomyStats:
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    PrintTaxonomyStats.printStats(taxoReader, new PrintStream(bos, false, IOUtils.UTF_8), true);
    String result = bos.toString(IOUtils.UTF_8);
    assertTrue(result.indexOf("/Author: 4 immediate children; 5 total categories") != -1);
    assertTrue(result.indexOf("/Publish Date: 3 immediate children; 12 total categories") != -1);
    // Make sure at least a few nodes of the tree came out:
    assertTrue(result.indexOf("  /1999") != -1);
    assertTrue(result.indexOf("  /2012") != -1);
    assertTrue(result.indexOf("      /20") != -1);
    writer.close();
    IOUtils.close(taxoWriter, searcher.getIndexReader(), taxoReader, taxoDir, dir);
}

Example 4 with DrillDownQuery

use of org.apache.lucene.facet.DrillDownQuery 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 5 with DrillDownQuery

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

the class RangeFacetsExample method drillDown.

/** User drills down on the specified range. */
public TopDocs drillDown(LongRange range) throws IOException {
    // Passing no baseQuery means we drill down on all
    // documents ("browse only"):
    DrillDownQuery q = new DrillDownQuery(getConfig());
    q.add("timestamp", LongPoint.newRangeQuery("timestamp", range.min, range.max));
    return searcher.search(q, 10);
}