Examples of org.apache.lucene.facet.taxonomy.lucene.LuceneTaxonomyWriter.commit()

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

Class org.apache.lucene.facet.taxonomy.lucene.LuceneTaxonomyWriter

Examples of org.apache.lucene.facet.taxonomy.lucene.LuceneTaxonomyWriter.commit()

org.apache.lucene.facet.taxonomy.lucene.LuceneTaxonomyWriter.commit()
Calling commit() ensures that all the categories written so far are visible to a reader that is opened (or reopened) after that call. When the index is closed(), commit() is also implicitly done. See {@link TaxonomyWriter#commit()}

    // we commit changes to the taxonomy index prior to committing them to
    // the search index.
    // this is important, so that all facets referred to by documents in the
    // search index
    // will indeed exist in the taxonomy index.
    taxo.commit();
    iw.commit();


    // close the taxonomy index and the index - all modifications are
    // now safely in the provided directories: indexDir and taxoDir.
    taxo.close();

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    // commit changes.
    // we commit changes to the taxonomy index prior to committing them to the search index.
    // this is important, so that all facets referred to by documents in the search index 
    // will indeed exist in the taxonomy index.
    taxo.commit();
    iw.commit();


    // close the taxonomy index and the index - all modifications are 
    // now safely in the provided directories: indexDir and taxoDir.
    taxo.close();

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    tw.addCategory(new CategoryPath("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 LuceneTaxonomyWriter(indexDir);
    tw.commit();
    TaxonomyReader tr = new LuceneTaxonomyReader(indexDir);
    assertEquals(1, tr.getSize());
    assertEquals(0, tr.getPath(0).length());
    assertEquals(TaxonomyReader.INVALID_ORDINAL, tr.getParent(0));
    assertEquals(0, tr.getOrdinal(new CategoryPath()));

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

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  @Test
  public void testChildrenArraysGrowth() throws Exception {
    Directory indexDir = newDirectory();
    TaxonomyWriter tw = new LuceneTaxonomyWriter(indexDir);
    tw.addCategory(new CategoryPath("hi", "there"));
    tw.commit();
    TaxonomyReader tr = new LuceneTaxonomyReader(indexDir);
    ChildrenArrays ca = tr.getChildrenArrays();
    assertEquals(3, tr.getSize());
    assertEquals(3, ca.getOlderSiblingArray().length);
    assertEquals(3, ca.getYoungestChildArray().length);

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

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      writer.addDocument(new CategoryDocumentBuilder(taxoWriter, iParams)
          .setCategoryPaths(Arrays.asList(categories)).build(
              new Document()));


    }
    taxoWriter.commit();
    writer.commit();
    taxoWriter.close();
    writer.close();
  }

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    Directory indexDirBase =  newDirectory();
    TaxonomyWriter twBase = new LuceneTaxonomyWriter(indexDirBase);
    twBase.addCategory(new CategoryPath("a", "0"));
    final CategoryPath abPath = new CategoryPath("a", "b");
    twBase.addCategory(abPath);
    twBase.commit();
    TaxonomyReader trBase = new LuceneTaxonomyReader(indexDirBase);


    final ChildrenArrays ca1 = trBase.getChildrenArrays();
    
    final int abOrd = trBase.getOrdinal(abPath);

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    final int abYoungChildBase1 = ca1.getYoungestChildArray()[abOrd]; 
    
    for (int i=0; i < 1<<10; i++) { //1024 facets
      twBase.addCategory(new CategoryPath("a", "b", Integer.toString(i)));
    }
    twBase.commit();
    
    trBase.refresh();
    
    final ChildrenArrays ca2 = trBase.getChildrenArrays();
    final int abYoungChildBase2 = ca2.getYoungestChildArray()[abOrd];

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