Examples of FacetLabel


Examples of org.apache.lucene.facet.taxonomy.FacetLabel

  @Test
  public void testRollback() throws Exception {
    // Verifies that if rollback is called, DTW is closed.
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter dtw = new DirectoryTaxonomyWriter(dir);
    dtw.addCategory(new FacetLabel("a"));
    dtw.rollback();
    try {
      dtw.addCategory(new FacetLabel("a"));
      fail("should not have succeeded to add a category following rollback.");
    } catch (AlreadyClosedException e) {
      // expected
    }
   
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

    // verifies that an exception is thrown if DTW was closed
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter dtw = new DirectoryTaxonomyWriter(dir);
    dtw.close();
    try {
      dtw.addCategory(new FacetLabel("a"));
      fail("should not have succeeded to add a category following close.");
    } catch (AlreadyClosedException e) {
      // expected
    }
    dir.close();
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

    // CREATE_OR_APPEND (or commit(userData) called twice), which could lead to
    // DirTaxoReader succeeding to refresh().
    Directory dir = newDirectory();
   
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(dir, OpenMode.CREATE_OR_APPEND, NO_OP_CACHE);
    touchTaxo(taxoWriter, new FacetLabel("a"));
   
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(dir);

    touchTaxo(taxoWriter, new FacetLabel("b"));
   
    TaxonomyReader newtr = TaxonomyReader.openIfChanged(taxoReader);
    taxoReader.close();
    taxoReader = newtr;
    assertEquals(1, Integer.parseInt(taxoReader.getCommitUserData().get(DirectoryTaxonomyWriter.INDEX_EPOCH)));

    // now recreate the taxonomy, and check that the epoch is preserved after opening DirTW again.
    taxoWriter.close();
    taxoWriter = new DirectoryTaxonomyWriter(dir, OpenMode.CREATE, NO_OP_CACHE);
    touchTaxo(taxoWriter, new FacetLabel("c"));
    taxoWriter.close();
   
    taxoWriter = new DirectoryTaxonomyWriter(dir, OpenMode.CREATE_OR_APPEND, NO_OP_CACHE);
    touchTaxo(taxoWriter, new FacetLabel("d"));
    taxoWriter.close();

    newtr = TaxonomyReader.openIfChanged(taxoReader);
    taxoReader.close();
    taxoReader = newtr;
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

        public void run() {
          Random random = random();
          while (numCats.decrementAndGet() > 0) {
            try {
              int value = random.nextInt(range);
              FacetLabel cp = new FacetLabel(Integer.toString(value / 1000), Integer.toString(value / 10000),
                  Integer.toString(value / 100000), Integer.toString(value));
              int ord = tw.addCategory(cp);
              assertTrue("invalid parent for ordinal " + ord + ", category " + cp, tw.getParent(ord) != -1);
              String l1 = FacetsConfig.pathToString(cp.components, 1);
              String l2 = FacetsConfig.pathToString(cp.components, 2);
              String l3 = FacetsConfig.pathToString(cp.components, 3);
              String l4 = FacetsConfig.pathToString(cp.components, 4);
              values.put(l1, l1);
              values.put(l2, l2);
              values.put(l3, l3);
              values.put(l4, l4);
            } catch (IOException e) {
              throw new RuntimeException(e);
            }
          }
        }
      };
    }
   
    for (Thread t : addThreads) t.start();
    for (Thread t : addThreads) t.join();
    tw.close();
   
    DirectoryTaxonomyReader dtr = new DirectoryTaxonomyReader(dir);
    // +1 for root category
    if (values.size() + 1 != dtr.getSize()) {
      for(String value : values.keySet()) {
        FacetLabel label = new FacetLabel(FacetsConfig.stringToPath(value));
        if (dtr.getOrdinal(label) == -1) {
          System.out.println("FAIL: path=" + label + " not recognized");
        }
      }
      fail("mismatch number of categories");
    }

    int[] parents = dtr.getParallelTaxonomyArrays().parents();
    for (String cat : values.keySet()) {
      FacetLabel cp = new FacetLabel(FacetsConfig.stringToPath(cat));
      assertTrue("category not found " + cp, dtr.getOrdinal(cp) > 0);
      int level = cp.length;
      int parentOrd = 0; // for root, parent is always virtual ROOT (ord=0)
      FacetLabel path = new FacetLabel();
      for (int i = 0; i < level; i++) {
        path = cp.subpath(i + 1);
        int ord = dtr.getOrdinal(path);
        assertEquals("invalid parent for cp=" + path, parentOrd, parents[ord]);
        parentOrd = ord; // next level should have this parent
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

 
  @Test
  public void testReplaceTaxonomy() throws Exception {
    Directory input = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(input);
    int ordA = taxoWriter.addCategory(new FacetLabel("a"));
    taxoWriter.close();
   
    Directory dir = newDirectory();
    taxoWriter = new DirectoryTaxonomyWriter(dir);
    int ordB = taxoWriter.addCategory(new FacetLabel("b"));
    taxoWriter.addCategory(new FacetLabel("c"));
    taxoWriter.commit();
   
    long origEpoch = getEpoch(dir);
   
    // replace the taxonomy with the input one
    taxoWriter.replaceTaxonomy(input);
   
    // LUCENE-4633: make sure that category "a" is not added again in any case
    taxoWriter.addTaxonomy(input, new MemoryOrdinalMap());
    assertEquals("no categories should have been added", 2, taxoWriter.getSize()); // root + 'a'
    assertEquals("category 'a' received new ordinal?", ordA, taxoWriter.addCategory(new FacetLabel("a")));

    // add the same category again -- it should not receive the same ordinal !
    int newOrdB = taxoWriter.addCategory(new FacetLabel("b"));
    assertNotSame("new ordinal cannot be the original ordinal", ordB, newOrdB);
    assertEquals("ordinal should have been 2 since only one category was added by replaceTaxonomy", 2, newOrdB);

    taxoWriter.close();
   
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

    // ensures that the internal index reader is always kept fresh. Previously,
    // this simple scenario failed, if the cache just evicted the category that
    // is being added.
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(dir, OpenMode.CREATE, NO_OP_CACHE);
    int o1 = taxoWriter.addCategory(new FacetLabel("a"));
    int o2 = taxoWriter.addCategory(new FacetLabel("a"));
    assertTrue("ordinal for same category that is added twice should be the same !", o1 == o2);
    taxoWriter.close();
    dir.close();
  }
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

  @Test
  public void testCommitNoEmptyCommits() throws Exception {
    // LUCENE-4972: DTW used to create empty commits even if no changes were made
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(dir);
    taxoWriter.addCategory(new FacetLabel("a"));
    taxoWriter.commit();
   
    long gen1 = SegmentInfos.getLastCommitGeneration(dir);
    taxoWriter.commit();
    long gen2 = SegmentInfos.getLastCommitGeneration(dir);
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

  @Test
  public void testCloseNoEmptyCommits() throws Exception {
    // LUCENE-4972: DTW used to create empty commits even if no changes were made
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(dir);
    taxoWriter.addCategory(new FacetLabel("a"));
    taxoWriter.commit();
   
    long gen1 = SegmentInfos.getLastCommitGeneration(dir);
    taxoWriter.close();
    long gen2 = SegmentInfos.getLastCommitGeneration(dir);
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

  @Test
  public void testPrepareCommitNoEmptyCommits() throws Exception {
    // LUCENE-4972: DTW used to create empty commits even if no changes were made
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(dir);
    taxoWriter.addCategory(new FacetLabel("a"));
    taxoWriter.prepareCommit();
    taxoWriter.commit();
   
    long gen1 = SegmentInfos.getLastCommitGeneration(dir);
    taxoWriter.prepareCommit();
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Examples of org.apache.lucene.facet.taxonomy.FacetLabel

    int ordinal = -1;

    int len = FacetLabel.MAX_CATEGORY_PATH_LENGTH - 4; // for the dimension and separator
    bigs = _TestUtil.randomSimpleString(random(), len, len);
    FacetField ff = new FacetField("dim", bigs);
    FacetLabel cp = new FacetLabel("dim", bigs);
    ordinal = taxoWriter.addCategory(cp);
    Document doc = new Document();
    doc.add(ff);
    indexWriter.addDocument(config.build(taxoWriter, doc));

    // Add tiny ones to cause a re-hash
    for (int i = 0; i < 3; i++) {
      String s = _TestUtil.randomSimpleString(random(), 1, 10);
      taxoWriter.addCategory(new FacetLabel("dim", s));
      doc = new Document();
      doc.add(new FacetField("dim", s));
      indexWriter.addDocument(config.build(taxoWriter, doc));
    }
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