Package org.apache.lucene.facet.taxonomy.directory

Examples of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.commit()

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    Directory indexDirBase = newDirectory();
    TaxonomyWriter twBase = new DirectoryTaxonomyWriter(indexDirBase);
    twBase.addCategory(new FacetLabel("a", "0"));
    final FacetLabel abPath = new FacetLabel("a", "b");
    twBase.addCategory(abPath);
    twBase.commit();
    TaxonomyReader trBase = new DirectoryTaxonomyReader(indexDirBase);

    final ParallelTaxonomyArrays ca1 = trBase.getParallelTaxonomyArrays();
   
    final int abOrd = trBase.getOrdinal(abPath);
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      throws Exception {
    SlowRAMDirectory indexDir = new SlowRAMDirectory(-1, null); // no slowness for intialization
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.addCategory(new FacetLabel("a", "0"));
    tw.addCategory(abPath);
    tw.commit();
   
    final DirectoryTaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    for (int i = 0; i < numCategories; i++) {
      final FacetLabel cp = new FacetLabel("a", "b", Integer.toString(i));
      tw.addCategory(cp);
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   */
  @Test
  public void testSeparateReaderAndWriter() throws Exception {
    Directory indexDir = newDirectory();
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.commit();
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);

    assertEquals(1, tr.getSize()); // the empty taxonomy has size 1 (the root)
    tw.addCategory(new FacetLabel("Author"));
    assertEquals(1, tr.getSize()); // still root only...
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    assertEquals(1, tr.getSize()); // the empty taxonomy has size 1 (the root)
    tw.addCategory(new FacetLabel("Author"));
    assertEquals(1, tr.getSize()); // still root only...
    assertNull(TaxonomyReader.openIfChanged(tr)); // this is not enough, because tw.commit() hasn't been done yet
    assertEquals(1, tr.getSize()); // still root only...
    tw.commit();
    assertEquals(1, tr.getSize()); // still root only...
    TaxonomyReader newTaxoReader = TaxonomyReader.openIfChanged(tr);
    assertNotNull(newTaxoReader);
    tr.close();
    tr = newTaxoReader;
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    // the parent of this category is correct (this requires the reader
    // to correctly update its prefetched parent vector), and that the
    // old information also wasn't ruined:
    tw.addCategory(new FacetLabel("Author", "Richard Dawkins"));
    int dawkins = 2;
    tw.commit();
    newTaxoReader = TaxonomyReader.openIfChanged(tr);
    assertNotNull(newTaxoReader);
    tr.close();
    tr = newTaxoReader;
    int[] parents = tr.getParallelTaxonomyArrays().parents();
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  @Test
  public void testSeparateReaderAndWriter2() throws Exception {
    Directory indexDir = newDirectory();
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.commit();
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);

    // Test getOrdinal():
    FacetLabel author = new FacetLabel("Author");
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    assertEquals(TaxonomyReader.INVALID_ORDINAL, tr.getOrdinal(author));
    assertEquals(1, tr.getSize()); // still root only...
    assertNull(TaxonomyReader.openIfChanged(tr)); // this is not enough, because tw.commit() hasn't been done yet
    assertEquals(TaxonomyReader.INVALID_ORDINAL, tr.getOrdinal(author));
    assertEquals(1, tr.getSize()); // still root only...
    tw.commit();
    // still not enough before refresh:
    assertEquals(TaxonomyReader.INVALID_ORDINAL, tr.getOrdinal(author));
    assertEquals(1, tr.getSize()); // still root only...
    TaxonomyReader newTaxoReader = TaxonomyReader.openIfChanged(tr);
    assertNotNull(newTaxoReader);
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  public void testWriterLock() throws Exception {
    // native fslock impl gets angry if we use it, so use RAMDirectory explicitly.
    Directory indexDir = new RAMDirectory();
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.addCategory(new FacetLabel("hi", "there"));
    tw.commit();
    // we deliberately not close the write now, and keep it open and
    // locked.
    // Verify that the writer worked:
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    assertEquals(2, tr.getOrdinal(new FacetLabel("hi", "there")));
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    Directory taxoDir = newDirectory();
    final IndexWriter w = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    final DirectoryTaxonomyWriter tw = new DirectoryTaxonomyWriter(taxoDir);
    // first empty commit
    w.commit();
    tw.commit();
    final SearcherTaxonomyManager mgr = new SearcherTaxonomyManager(indexDir, taxoDir, null);
    final FacetsConfig config = new FacetsConfig();
    config.setMultiValued("field", true);
    final AtomicBoolean stop = new AtomicBoolean();
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    Directory indexDir = newDirectory();
    Directory taxoDir = newDirectory();
    IndexWriter w = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    DirectoryTaxonomyWriter tw = new DirectoryTaxonomyWriter(taxoDir);
    w.commit();
    tw.commit();

    Directory taxoDir2 = newDirectory();
    DirectoryTaxonomyWriter tw2 = new DirectoryTaxonomyWriter(taxoDir2);
    tw2.addCategory(new FacetLabel("a", "b"));
    tw2.close();
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