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

Example 16 with FacetsCollector

use of org.apache.lucene.facet.FacetsCollector 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 17 with FacetsCollector

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

the class TestTaxonomyFacetSumValueSource method testRandom.

public void testRandom() throws Exception {
    String[] tokens = getRandomTokens(10);
    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());
    // NRT open
    TaxonomyReader tr = new DirectoryTaxonomyReader(tw);
    int iters = atLeast(100);
    for (int iter = 0; iter < iters; iter++) {
        String searchToken = tokens[random().nextInt(tokens.length)];
        if (VERBOSE) {
            System.out.println("\nTEST: iter content=" + searchToken);
        }
        FacetsCollector fc = new FacetsCollector();
        FacetsCollector.search(searcher, new TermQuery(new Term("content", searchToken)), 10, fc);
        Facets facets = new TaxonomyFacetSumValueSource(tr, config, fc, DoubleValuesSource.fromFloatField("value"));
        // Slow, yet hopefully bug-free, faceting:
        @SuppressWarnings({ "rawtypes", "unchecked" }) Map<String, Float>[] expectedValues = new HashMap[numDims];
        for (int i = 0; i < numDims; i++) {
            expectedValues[i] = new HashMap<>();
        }
        for (TestDoc doc : testDocs) {
            if (doc.content.equals(searchToken)) {
                for (int j = 0; j < numDims; j++) {
                    if (doc.dims[j] != null) {
                        Float v = expectedValues[j].get(doc.dims[j]);
                        if (v == null) {
                            expectedValues[j].put(doc.dims[j], doc.value);
                        } else {
                            expectedValues[j].put(doc.dims[j], v + doc.value);
                        }
                    }
                }
            }
        }
        List<FacetResult> expected = new ArrayList<>();
        for (int i = 0; i < numDims; i++) {
            List<LabelAndValue> labelValues = new ArrayList<>();
            double totValue = 0;
            for (Map.Entry<String, Float> ent : expectedValues[i].entrySet()) {
                labelValues.add(new LabelAndValue(ent.getKey(), ent.getValue()));
                totValue += ent.getValue();
            }
            sortLabelValues(labelValues);
            if (totValue > 0) {
                expected.add(new FacetResult("dim" + i, new String[0], totValue, labelValues.toArray(new LabelAndValue[labelValues.size()]), labelValues.size()));
            }
        }
        // Sort by highest value, tie break by value:
        sortFacetResults(expected);
        List<FacetResult> actual = facets.getAllDims(10);
        // Messy: fixup ties
        sortTies(actual);
        if (VERBOSE) {
            System.out.println("expected=\n" + expected.toString());
            System.out.println("actual=\n" + actual.toString());
        }
        assertFloatValuesEquals(expected, actual);
    }
    w.close();
    IOUtils.close(tw, searcher.getIndexReader(), tr, indexDir, taxoDir);
}

Example 18 with FacetsCollector

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

the class TestTaxonomyFacetSumValueSource method testSparseFacets.

// LUCENE-5333
public void testSparseFacets() 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);
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    FacetsConfig config = new FacetsConfig();
    Document doc = new Document();
    doc.add(new NumericDocValuesField("num", 10));
    doc.add(new FacetField("a", "foo1"));
    writer.addDocument(config.build(taxoWriter, doc));
    if (random().nextBoolean()) {
        writer.commit();
    }
    doc = new Document();
    doc.add(new NumericDocValuesField("num", 20));
    doc.add(new FacetField("a", "foo2"));
    doc.add(new FacetField("b", "bar1"));
    writer.addDocument(config.build(taxoWriter, doc));
    if (random().nextBoolean()) {
        writer.commit();
    }
    doc = new Document();
    doc.add(new NumericDocValuesField("num", 30));
    doc.add(new FacetField("a", "foo3"));
    doc.add(new FacetField("b", "bar2"));
    doc.add(new FacetField("c", "baz1"));
    writer.addDocument(config.build(taxoWriter, doc));
    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();
    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    taxoWriter.close();
    FacetsCollector c = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), c);
    TaxonomyFacetSumValueSource facets = new TaxonomyFacetSumValueSource(taxoReader, new FacetsConfig(), c, DoubleValuesSource.fromIntField("num"));
    // Ask for top 10 labels for any dims that have counts:
    List<FacetResult> results = facets.getAllDims(10);
    assertEquals(3, results.size());
    assertEquals("dim=a path=[] value=60.0 childCount=3\n  foo3 (30.0)\n  foo2 (20.0)\n  foo1 (10.0)\n", results.get(0).toString());
    assertEquals("dim=b path=[] value=50.0 childCount=2\n  bar2 (30.0)\n  bar1 (20.0)\n", results.get(1).toString());
    assertEquals("dim=c path=[] value=30.0 childCount=1\n  baz1 (30.0)\n", results.get(2).toString());
    IOUtils.close(searcher.getIndexReader(), taxoReader, dir, taxoDir);
}

Example 19 with FacetsCollector

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

the class TestTaxonomyFacetSumValueSource 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);
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    FacetsConfig config = new FacetsConfig();
    // Reused across documents, to add the necessary facet
    // fields:
    Document doc = new Document();
    doc.add(new NumericDocValuesField("num", 10));
    doc.add(new FacetField("Author", "Bob"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new NumericDocValuesField("num", 20));
    doc.add(new FacetField("Author", "Lisa"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new NumericDocValuesField("num", 30));
    doc.add(new FacetField("Author", "Lisa"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new NumericDocValuesField("num", 40));
    doc.add(new FacetField("Author", "Susan"));
    writer.addDocument(config.build(taxoWriter, doc));
    doc = new Document();
    doc.add(new NumericDocValuesField("num", 45));
    doc.add(new FacetField("Author", "Frank"));
    writer.addDocument(config.build(taxoWriter, doc));
    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();
    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    taxoWriter.close();
    // Aggregate the facet counts:
    FacetsCollector c = new FacetsCollector();
    // MatchAllDocsQuery is for "browsing" (counts facets
    // for all non-deleted docs in the index); normally
    // you'd use a "normal" query and one of the
    // Facets.search utility methods:
    searcher.search(new MatchAllDocsQuery(), c);
    TaxonomyFacetSumValueSource facets = new TaxonomyFacetSumValueSource(taxoReader, new FacetsConfig(), c, DoubleValuesSource.fromIntField("num"));
    // Retrieve & verify results:
    assertEquals("dim=Author path=[] value=145.0 childCount=4\n  Lisa (50.0)\n  Frank (45.0)\n  Susan (40.0)\n  Bob (10.0)\n", facets.getTopChildren(10, "Author").toString());
    taxoReader.close();
    searcher.getIndexReader().close();
    dir.close();
    taxoDir.close();
}

Example 20 with FacetsCollector

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

the class TestTaxonomyFacetCounts2 method testAllCounts.

@Test
public void testAllCounts() throws Exception {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    IndexSearcher searcher = newSearcher(indexReader);
    FacetsCollector sfc = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), sfc);
    Facets facets = getTaxonomyFacetCounts(taxoReader, getConfig(), sfc);
    FacetResult result = facets.getTopChildren(NUM_CHILDREN_CP_A, CP_A);
    assertEquals(-1, result.value.intValue());
    int prevValue = Integer.MAX_VALUE;
    for (LabelAndValue labelValue : result.labelValues) {
        assertEquals(allExpectedCounts.get(CP_A + "/" + labelValue.label), labelValue.value);
        assertTrue("wrong sort order of sub results: labelValue.value=" + labelValue.value + " prevValue=" + prevValue, labelValue.value.intValue() <= prevValue);
        prevValue = labelValue.value.intValue();
    }
    result = facets.getTopChildren(NUM_CHILDREN_CP_B, CP_B);
    assertEquals(allExpectedCounts.get(CP_B), result.value);
    prevValue = Integer.MAX_VALUE;
    for (LabelAndValue labelValue : result.labelValues) {
        assertEquals(allExpectedCounts.get(CP_B + "/" + labelValue.label), labelValue.value);
        assertTrue("wrong sort order of sub results: labelValue.value=" + labelValue.value + " prevValue=" + prevValue, labelValue.value.intValue() <= prevValue);
        prevValue = labelValue.value.intValue();
    }
    IOUtils.close(indexReader, taxoReader);
}