Lucene.Net.Index.TestIndexWriterReader.DoTestIndexWriterReopenSegment C# (CSharp) Метод

        public virtual void DoTestIndexWriterReopenSegment(bool doFullMerge)
        {
            Directory dir1 = GetAssertNoDeletesDirectory(NewDirectory());
            IndexWriter writer = new IndexWriter(dir1, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())));
            IndexReader r1 = writer.Reader;
            Assert.AreEqual(0, r1.MaxDoc);
            CreateIndexNoClose(false, "index1", writer);
            writer.Flush(!doFullMerge, true);

            IndexReader iwr1 = writer.Reader;
            Assert.AreEqual(100, iwr1.MaxDoc);

            IndexReader r2 = writer.Reader;
            Assert.AreEqual(r2.MaxDoc, 100);
            // add 100 documents
            for (int x = 10000; x < 10000 + 100; x++)
            {
                Document d = DocHelper.CreateDocument(x, "index1", 5);
                writer.AddDocument(d);
            }
            writer.Flush(false, true);
            // verify the reader was reopened internally
            IndexReader iwr2 = writer.Reader;
            Assert.IsTrue(iwr2 != r1);
            Assert.AreEqual(200, iwr2.MaxDoc);
            // should have flushed out a segment
            IndexReader r3 = writer.Reader;
            Assert.IsTrue(r2 != r3);
            Assert.AreEqual(200, r3.MaxDoc);

            // dec ref the readers rather than close them because
            // closing flushes changes to the writer
            r1.Dispose();
            iwr1.Dispose();
            r2.Dispose();
            r3.Dispose();
            iwr2.Dispose();
            writer.Dispose();

            // test whether the changes made it to the directory
            writer = new IndexWriter(dir1, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())));
            IndexReader w2r1 = writer.Reader;
            // insure the deletes were actually flushed to the directory
            Assert.AreEqual(200, w2r1.MaxDoc);
            w2r1.Dispose();
            writer.Dispose();

            dir1.Dispose();
        }