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

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

Class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter

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

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

    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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    tw.addCategory(new FacetLabel("hi"));
    // Do a commit(). Here was a bug - if tw had a reader open, it should
    // be reopened after the commit. However, in our case the reader should
    // not be open (as explained above) but because it was not set to null,
    // we forgot that, tried to reopen it, and got an AlreadyClosedException.
    tw.commit();
    assertEquals(expectedCategories.length+1, tw.getSize());    
    tw.close();
    indexDir.close();
  }

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   */
  @Test
  public void testRootOnly2() throws Exception {
    Directory indexDir = newDirectory();
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.commit();
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    assertEquals(1, tr.getSize());
    assertEquals(0, tr.getPath(0).length);
    assertEquals(TaxonomyReader.INVALID_ORDINAL, tr.getParallelTaxonomyArrays().parents()[0]);
    assertEquals(0, tr.getOrdinal(new FacetLabel()));

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  @Test
  public void testWriterParent2() throws Exception {
    Directory indexDir = newDirectory();
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    fillTaxonomy(tw);
    tw.commit();
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    
    checkWriterParent(tr, tw);
    
    tw.close();

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  @Test
  public void testChildrenArraysGrowth() throws Exception {
    Directory indexDir = newDirectory();
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.addCategory(new FacetLabel("hi", "there"));
    tw.commit();
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    ParallelTaxonomyArrays ca = tr.getParallelTaxonomyArrays();
    assertEquals(3, tr.getSize());
    assertEquals(3, ca.siblings().length);
    assertEquals(3, ca.children().length);

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    assertEquals(3, ca.children().length);
    assertTrue(Arrays.equals(new int[] { 1, 2, -1 }, ca.children()));
    assertTrue(Arrays.equals(new int[] { -1, -1, -1 }, ca.siblings()));
    tw.addCategory(new FacetLabel("hi", "ho"));
    tw.addCategory(new FacetLabel("hello"));
    tw.commit();
    // Before refresh, nothing changed..
    ParallelTaxonomyArrays newca = tr.getParallelTaxonomyArrays();
    assertSame(newca, ca); // we got exactly the same object
    assertEquals(3, tr.getSize());
    assertEquals(3, ca.siblings().length);

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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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