/// <summary>
/// Cals
/// <see cref="IndexWriter.TryDeleteDocument(IndexReader, int)"/> and
/// returns the generation that reflects this change.
/// </summary>
public virtual long TryDeleteDocument(IndexReader reader, int docID)
{
if (writer.TryDeleteDocument(reader, docID))
{
return(indexingGen.Get());
}
else
{
return(-1);
}
}
public virtual void TestRollingUpdates_Mem()
{
Random random = new Random(Random().Next());
BaseDirectoryWrapper dir = NewDirectory();
LineFileDocs docs = new LineFileDocs(random, DefaultCodecSupportsDocValues());
//provider.register(new MemoryCodec());
if ((!"Lucene3x".Equals(Codec.Default.Name, StringComparison.Ordinal)) && Random().NextBoolean())
{
Codec.Default =
TestUtil.AlwaysPostingsFormat(new MemoryPostingsFormat(Random().nextBoolean(), random.NextFloat()));
}
MockAnalyzer analyzer = new MockAnalyzer(Random());
analyzer.MaxTokenLength = TestUtil.NextInt(Random(), 1, IndexWriter.MAX_TERM_LENGTH);
IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
int SIZE = AtLeast(20);
int id = 0;
IndexReader r = null;
IndexSearcher s = null;
int numUpdates = (int)(SIZE * (2 + (TEST_NIGHTLY ? 200 * Random().NextDouble() : 5 * Random().NextDouble())));
if (VERBOSE)
{
Console.WriteLine("TEST: numUpdates=" + numUpdates);
}
int updateCount = 0;
// TODO: sometimes update ids not in order...
for (int docIter = 0; docIter < numUpdates; docIter++)
{
Documents.Document doc = docs.NextDoc();
string myID = "" + id;
if (id == SIZE - 1)
{
id = 0;
}
else
{
id++;
}
if (VERBOSE)
{
Console.WriteLine(" docIter=" + docIter + " id=" + id);
}
((Field)doc.GetField("docid")).SetStringValue(myID);
Term idTerm = new Term("docid", myID);
bool doUpdate;
if (s != null && updateCount < SIZE)
{
TopDocs hits = s.Search(new TermQuery(idTerm), 1);
Assert.AreEqual(1, hits.TotalHits);
doUpdate = !w.TryDeleteDocument(r, hits.ScoreDocs[0].Doc);
if (VERBOSE)
{
if (doUpdate)
{
Console.WriteLine(" tryDeleteDocument failed");
}
else
{
Console.WriteLine(" tryDeleteDocument succeeded");
}
}
}
else
{
doUpdate = true;
if (VERBOSE)
{
Console.WriteLine(" no searcher: doUpdate=true");
}
}
updateCount++;
if (doUpdate)
{
w.UpdateDocument(idTerm, doc);
}
else
{
w.AddDocument(doc);
}
if (docIter >= SIZE && Random().Next(50) == 17)
{
if (r != null)
{
r.Dispose();
}
bool applyDeletions = Random().NextBoolean();
if (VERBOSE)
{
Console.WriteLine("TEST: reopen applyDeletions=" + applyDeletions);
}
r = w.GetReader(applyDeletions);
if (applyDeletions)
{
s = NewSearcher(r);
}
else
{
s = null;
}
Assert.IsTrue(!applyDeletions || r.NumDocs == SIZE, "applyDeletions=" + applyDeletions + " r.NumDocs=" + r.NumDocs + " vs SIZE=" + SIZE);
updateCount = 0;
}
}
if (r != null)
{
r.Dispose();
}
w.Commit();
Assert.AreEqual(SIZE, w.NumDocs);
w.Dispose();
TestIndexWriter.AssertNoUnreferencedFiles(dir, "leftover files after rolling updates");
docs.Dispose();
// LUCENE-4455:
SegmentInfos infos = new SegmentInfos();
infos.Read(dir);
long totalBytes = 0;
foreach (SegmentCommitInfo sipc in infos.Segments)
{
totalBytes += sipc.GetSizeInBytes();
}
long totalBytes2 = 0;
foreach (string fileName in dir.ListAll())
{
if (!fileName.StartsWith(IndexFileNames.SEGMENTS, StringComparison.Ordinal))
{
totalBytes2 += dir.FileLength(fileName);
}
}
Assert.AreEqual(totalBytes2, totalBytes);
dir.Dispose();
}
public virtual void TestTryDeleteDocument()
{
Directory d = NewDirectory();
IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
IndexWriter w = new IndexWriter(d, iwc);
Document doc = new Document();
w.AddDocument(doc);
w.AddDocument(doc);
w.AddDocument(doc);
w.Dispose();
iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
iwc.SetOpenMode(IndexWriterConfig.OpenMode_e.APPEND);
w = new IndexWriter(d, iwc);
IndexReader r = DirectoryReader.Open(w, false);
Assert.IsTrue(w.TryDeleteDocument(r, 1));
Assert.IsTrue(w.TryDeleteDocument(r.Leaves[0].Reader, 0));
r.Dispose();
w.Dispose();
r = DirectoryReader.Open(d);
Assert.AreEqual(2, r.NumDeletedDocs);
Assert.IsNotNull(MultiFields.GetLiveDocs(r));
r.Dispose();
d.Dispose();
}
public virtual void TestRollingUpdates_Mem()
{
Random random = new Random(Random().Next());
BaseDirectoryWrapper dir = NewDirectory();
LineFileDocs docs = new LineFileDocs(random, DefaultCodecSupportsDocValues());
//provider.register(new MemoryCodec());
if ((!"Lucene3x".Equals(Codec.Default.Name)) && Random().NextBoolean())
{
Codec.Default =
TestUtil.AlwaysPostingsFormat(new MemoryPostingsFormat(Random().nextBoolean(), random.NextFloat()));
}
MockAnalyzer analyzer = new MockAnalyzer(Random());
analyzer.MaxTokenLength = TestUtil.NextInt(Random(), 1, IndexWriter.MAX_TERM_LENGTH);
IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
int SIZE = AtLeast(20);
int id = 0;
IndexReader r = null;
IndexSearcher s = null;
int numUpdates = (int)(SIZE * (2 + (TEST_NIGHTLY ? 200 * Random().NextDouble() : 5 * Random().NextDouble())));
if (VERBOSE)
{
Console.WriteLine("TEST: numUpdates=" + numUpdates);
}
int updateCount = 0;
// TODO: sometimes update ids not in order...
for (int docIter = 0; docIter < numUpdates; docIter++)
{
Documents.Document doc = docs.NextDoc();
string myID = "" + id;
if (id == SIZE - 1)
{
id = 0;
}
else
{
id++;
}
if (VERBOSE)
{
Console.WriteLine(" docIter=" + docIter + " id=" + id);
}
((Field)doc.GetField("docid")).StringValue = myID;
Term idTerm = new Term("docid", myID);
bool doUpdate;
if (s != null && updateCount < SIZE)
{
TopDocs hits = s.Search(new TermQuery(idTerm), 1);
Assert.AreEqual(1, hits.TotalHits);
doUpdate = !w.TryDeleteDocument(r, hits.ScoreDocs[0].Doc);
if (VERBOSE)
{
if (doUpdate)
{
Console.WriteLine(" tryDeleteDocument failed");
}
else
{
Console.WriteLine(" tryDeleteDocument succeeded");
}
}
}
else
{
doUpdate = true;
if (VERBOSE)
{
Console.WriteLine(" no searcher: doUpdate=true");
}
}
updateCount++;
if (doUpdate)
{
w.UpdateDocument(idTerm, doc);
}
else
{
w.AddDocument(doc);
}
if (docIter >= SIZE && Random().Next(50) == 17)
{
if (r != null)
{
r.Dispose();
}
bool applyDeletions = Random().NextBoolean();
if (VERBOSE)
{
Console.WriteLine("TEST: reopen applyDeletions=" + applyDeletions);
}
r = w.GetReader(applyDeletions);
if (applyDeletions)
{
s = NewSearcher(r);
}
else
{
s = null;
}
Assert.IsTrue(!applyDeletions || r.NumDocs == SIZE, "applyDeletions=" + applyDeletions + " r.NumDocs=" + r.NumDocs + " vs SIZE=" + SIZE);
updateCount = 0;
}
}
if (r != null)
{
r.Dispose();
}
w.Commit();
Assert.AreEqual(SIZE, w.NumDocs());
w.Dispose();
TestIndexWriter.AssertNoUnreferencedFiles(dir, "leftover files after rolling updates");
docs.Dispose();
// LUCENE-4455:
SegmentInfos infos = new SegmentInfos();
infos.Read(dir);
long totalBytes = 0;
foreach (SegmentCommitInfo sipc in infos.Segments)
{
totalBytes += sipc.SizeInBytes();
}
long totalBytes2 = 0;
foreach (string fileName in dir.ListAll())
{
if (!fileName.StartsWith(IndexFileNames.SEGMENTS))
{
totalBytes2 += dir.FileLength(fileName);
}
}
Assert.AreEqual(totalBytes2, totalBytes);
dir.Dispose();
}