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

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

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    File outputFile = _TestUtil.createTempFile("test", "tmp", TEMP_DIR);
    TFC.store(outputFile, indexReader, taxoReader, iParams);
   
    // Make the taxonomy grow without touching the index
    for (int i = 0; i < 10; i++) {
      taxoWriter.addCategory(new CategoryPath("foo", Integer.toString(i)));
    }
    taxoWriter.commit();
    TaxonomyReader newTaxoReader = TaxonomyReader.openIfChanged(taxoReader);
    assertNotNull(newTaxoReader);
    taxoReader.close();
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   */
  @Test
  public void testChildrenArraysGrowth() throws Exception {
    Directory indexDir = newDirectory();
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.addCategory(new CategoryPath("hi", "there"));
    tw.commit();
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    ParallelTaxonomyArrays ca = tr.getParallelTaxonomyArrays();
    assertEquals(3, tr.getSize());
    assertEquals(3, ca.siblings().length);
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    assertEquals(3, tr.getSize());
    assertEquals(3, ca.siblings().length);
    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 CategoryPath("hi", "ho"));
    tw.addCategory(new CategoryPath("hello"));
    tw.commit();
    // Before refresh, nothing changed..
    ParallelTaxonomyArrays newca = tr.getParallelTaxonomyArrays();
    assertSame(newca, ca); // we got exactly the same object
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    assertEquals(3, ca.siblings().length);
    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 CategoryPath("hi", "ho"));
    tw.addCategory(new CategoryPath("hello"));
    tw.commit();
    // Before refresh, nothing changed..
    ParallelTaxonomyArrays newca = tr.getParallelTaxonomyArrays();
    assertSame(newca, ca); // we got exactly the same object
    assertEquals(3, tr.getSize());
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  @Test
  public void testTaxonomyReaderRefreshRaces() throws Exception {
    // compute base child arrays - after first chunk, and after the other
    Directory indexDirBase = newDirectory();
    TaxonomyWriter twBase = new DirectoryTaxonomyWriter(indexDirBase);
    twBase.addCategory(new CategoryPath("a", "0"));
    final CategoryPath abPath = new CategoryPath("a", "b");
    twBase.addCategory(abPath);
    twBase.commit();
    TaxonomyReader trBase = new DirectoryTaxonomyReader(indexDirBase);
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    // compute base child arrays - after first chunk, and after the other
    Directory indexDirBase = newDirectory();
    TaxonomyWriter twBase = new DirectoryTaxonomyWriter(indexDirBase);
    twBase.addCategory(new CategoryPath("a", "0"));
    final CategoryPath abPath = new CategoryPath("a", "b");
    twBase.addCategory(abPath);
    twBase.commit();
    TaxonomyReader trBase = new DirectoryTaxonomyReader(indexDirBase);

    final ParallelTaxonomyArrays ca1 = trBase.getParallelTaxonomyArrays();
   
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    final int abOrd = trBase.getOrdinal(abPath);
    final int abYoungChildBase1 = ca1.children()[abOrd];
   
    final int numCategories = atLeast(800);
    for (int i = 0; i < numCategories; i++) {
      twBase.addCategory(new CategoryPath("a", "b", Integer.toString(i)));
    }
    twBase.close();
   
    TaxonomyReader newTaxoReader = TaxonomyReader.openIfChanged(trBase);
    assertNotNull(newTaxoReader);
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  private void assertConsistentYoungestChild(final CategoryPath abPath,
      final int abOrd, final int abYoungChildBase1, final int abYoungChildBase2, final int retry, int numCategories)
      throws Exception {
    SlowRAMDirectory indexDir = new SlowRAMDirectory(-1, null); // no slowness for intialization
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.addCategory(new CategoryPath("a", "0"));
    tw.addCategory(abPath);
    tw.commit();
   
    final DirectoryTaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    for (int i = 0; i < numCategories; i++) {
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      final int abOrd, final int abYoungChildBase1, final int abYoungChildBase2, final int retry, int numCategories)
      throws Exception {
    SlowRAMDirectory indexDir = new SlowRAMDirectory(-1, null); // no slowness for intialization
    TaxonomyWriter tw = new DirectoryTaxonomyWriter(indexDir);
    tw.addCategory(new CategoryPath("a", "0"));
    tw.addCategory(abPath);
    tw.commit();
   
    final DirectoryTaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    for (int i = 0; i < numCategories; i++) {
      final CategoryPath cp = new CategoryPath("a", "b", Integer.toString(i));
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    tw.commit();
   
    final DirectoryTaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    for (int i = 0; i < numCategories; i++) {
      final CategoryPath cp = new CategoryPath("a", "b", Integer.toString(i));
      tw.addCategory(cp);
      assertEquals("Ordinal of "+cp+" must be invalid until Taxonomy Reader was refreshed", TaxonomyReader.INVALID_ORDINAL, tr.getOrdinal(cp));
    }
    tw.close();
   
    final AtomicBoolean stop = new AtomicBoolean(false);
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