private DirectoryReader DoOpenFromWriter(IndexCommit commit)
{
if (commit != null)
{
return(DoOpenFromCommit(commit));
}
if (writer.NrtIsCurrent(segmentInfos))
{
return(null);
}
DirectoryReader reader = writer.GetReader(applyAllDeletes);
// If in fact no changes took place, return null:
if (reader.Version == segmentInfos.Version)
{
reader.DecRef();
return(null);
}
return(reader);
}
public override void Run()
{
DirectoryReader currentReader = null;
Random random = LuceneTestCase.Random;
try
{
Document doc = new Document();
doc.Add(new TextField("id", "1", Field.Store.NO));
writer.AddDocument(doc);
holder.reader = currentReader = writer.GetReader(true);
Term term = new Term("id");
for (int i = 0; i < numOps && !holder.stop; i++)
{
float nextOp = (float)random.NextDouble();
if (nextOp < 0.3)
{
term.Set("id", new BytesRef("1"));
writer.UpdateDocument(term, doc);
}
else if (nextOp < 0.5)
{
writer.AddDocument(doc);
}
else
{
term.Set("id", new BytesRef("1"));
writer.DeleteDocuments(term);
}
if (holder.reader != currentReader)
{
holder.reader = currentReader;
if (countdown)
{
countdown = false;
latch.Signal();
}
}
if (random.NextBoolean())
{
writer.Commit();
DirectoryReader newReader = DirectoryReader.OpenIfChanged(currentReader);
if (newReader != null)
{
currentReader.DecRef();
currentReader = newReader;
}
if (currentReader.NumDocs == 0)
{
writer.AddDocument(doc);
}
}
}
}
catch (Exception e)
{
failed = e;
}
finally
{
holder.reader = null;
if (countdown)
{
latch.Signal();
}
if (currentReader != null)
{
try
{
currentReader.DecRef();
}
#pragma warning disable 168
catch (IOException e)
#pragma warning restore 168
{
}
}
}
if (Verbose)
{
Console.WriteLine("writer stopped - forced by reader: " + holder.stop);
}
}
public override void Run()
{
DirectoryReader currentReader = null;
Random random = LuceneTestCase.Random();
try
{
Document doc = new Document();
doc.Add(new TextField("id", "1", Field.Store.NO));
Writer.AddDocument(doc);
Holder.Reader = currentReader = Writer.GetReader(true);
Term term = new Term("id");
for (int i = 0; i < NumOps && !Holder.Stop; i++)
{
float nextOp = (float)random.NextDouble();
if (nextOp < 0.3)
{
term.Set("id", new BytesRef("1"));
Writer.UpdateDocument(term, doc);
}
else if (nextOp < 0.5)
{
Writer.AddDocument(doc);
}
else
{
term.Set("id", new BytesRef("1"));
Writer.DeleteDocuments(term);
}
if (Holder.Reader != currentReader)
{
Holder.Reader = currentReader;
if (Countdown)
{
Countdown = false;
Latch.Signal();
}
}
if (random.NextBoolean())
{
Writer.Commit();
DirectoryReader newReader = DirectoryReader.OpenIfChanged(currentReader);
if (newReader != null)
{
currentReader.DecRef();
currentReader = newReader;
}
if (currentReader.NumDocs == 0)
{
Writer.AddDocument(doc);
}
}
}
}
catch (Exception e)
{
Failed = e;
}
finally
{
Holder.Reader = null;
if (Countdown)
{
Latch.Signal();
}
if (currentReader != null)
{
try
{
currentReader.DecRef();
}
catch (IOException e)
{
}
}
}
if (VERBOSE)
{
Console.WriteLine("writer stopped - forced by reader: " + Holder.Stop);
}
}