PrepareCommit() public method

prepare most of the work needed for a two-phase commit. See IndexWriter#prepareCommit.
public PrepareCommit ( ) : void
return void
        public virtual void TestPrepareCommitNoEmptyCommits()
        {
            // LUCENE-4972: DTW used to create empty commits even if no changes were made
            Directory dir = NewDirectory();
            DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(dir);

            taxoWriter.AddCategory(new FacetLabel("a"));
            taxoWriter.PrepareCommit();
            taxoWriter.Commit();

            long gen1 = SegmentInfos.GetLastCommitGeneration(dir);

            taxoWriter.PrepareCommit();
            taxoWriter.Commit();
            long gen2 = SegmentInfos.GetLastCommitGeneration(dir);

            Assert.AreEqual(gen1, gen2, "empty commit should not have changed the index");

            taxoWriter.Dispose();
            dir.Dispose();
        }
        public virtual void TestPrepareCommitNoEmptyCommits()
        {
            // LUCENE-4972: DTW used to create empty commits even if no changes were made
            Directory dir = NewDirectory();
            DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(dir);
            taxoWriter.AddCategory(new FacetLabel("a"));
            taxoWriter.PrepareCommit();
            taxoWriter.Commit();

            long gen1 = SegmentInfos.GetLastCommitGeneration(dir);
            taxoWriter.PrepareCommit();
            taxoWriter.Commit();
            long gen2 = SegmentInfos.GetLastCommitGeneration(dir);
            Assert.AreEqual(gen1, gen2, "empty commit should not have changed the index");

            taxoWriter.Dispose();
            dir.Dispose();
        }