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

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

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    // 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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    // Verifies that nothing is committed to the underlying Directory, if
    // commit() wasn't called.
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter ltw = new DirectoryTaxonomyWriter(dir, OpenMode.CREATE_OR_APPEND, new NoOpCache());
    assertFalse(IndexReader.indexExists(dir));
    ltw.commit(); // first commit, so that an index will be created
    ltw.addCategory(new CategoryPath("a"));
   
    IndexReader r = IndexReader.open(dir);
    assertEquals("No categories should have been committed to the underlying directory", 1, r.numDocs());
    r.close();
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  public void testCommitUserData() throws Exception {
    // Verifies that committed data is retrievable
    Directory dir = newDirectory();
    DirectoryTaxonomyWriter ltw = new DirectoryTaxonomyWriter(dir, OpenMode.CREATE_OR_APPEND, new NoOpCache());
    assertFalse(IndexReader.indexExists(dir));
    ltw.commit(); // first commit, so that an index will be created
    ltw.addCategory(new CategoryPath("a"));
    ltw.addCategory(new CategoryPath("b"));
    Map <String, String> userCommitData = new HashMap<String, String>();
    userCommitData.put("testing", "1 2 3");
    ltw.commit(userCommitData);
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    ltw.commit(); // first commit, so that an index will be created
    ltw.addCategory(new CategoryPath("a"));
    ltw.addCategory(new CategoryPath("b"));
    Map <String, String> userCommitData = new HashMap<String, String>();
    userCommitData.put("testing", "1 2 3");
    ltw.commit(userCommitData);
    ltw.close();
    IndexReader r = IndexReader.open(dir);
    assertEquals("2 categories plus root should have been committed to the underlying directory", 3, r.numDocs());
    Map <String, String> readUserCommitData = r.getCommitUserData();
    assertTrue("wrong value extracted from commit data",
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    tr = checker.openReader(dir);
    tw = checker.openWriter(dir);
    tw.addCategory(new CategoryPath("animal", "cat"));
    tr.refresh();
    tw.commit();
    tw.close();
    tr.refresh();
    tr.close();
    assertEquals(0, checker.nopen());
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    try {
      dir = newDirectory();
      ltw = new DirectoryTaxonomyWriter(dir);
     
      ltw.addCategory(new CategoryPath("a"));
      ltw.commit();
     
      ltr = new DirectoryTaxonomyReader(dir);
      assertFalse("Nothing has changed",ltr.refresh());
     
      ltw.addCategory(new CategoryPath("b"));
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      ltr = new DirectoryTaxonomyReader(dir);
      assertFalse("Nothing has changed",ltr.refresh());
     
      ltw.addCategory(new CategoryPath("b"));
      ltw.commit();
     
      assertTrue("changes were committed",ltr.refresh());
      assertFalse("Nothing has changed",ltr.refresh());
    } finally {
      IOUtils.close(ltw, ltr, dir);
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      TaxonomyWriter taxo = new DirectoryTaxonomyWriter(pair.taxoDir, OpenMode.CREATE);
     
      populateIndex(iw, taxo, getFacetIndexingParams(partitionSize));
     
      // commit changes (taxonomy prior to search index for consistency)
      taxo.commit();
      iw.commit();
      taxo.close();
      iw.close();
     
      dirsPerPartitionSize.put(Integer.valueOf(partitionSize), pair);
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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 CategoryPath("hi", "there"));
    tw.commit();
    TaxonomyReader tr = new DirectoryTaxonomyReader(indexDir);
    ChildrenArrays ca = tr.getChildrenArrays();
    assertEquals(3, tr.getSize());
    assertEquals(3, ca.getOlderSiblingArray().length);
    assertEquals(3, ca.getYoungestChildArray().length);
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