| private SetDiagnostics ( SegmentInfo info, System source ) : void | ||
| info | SegmentInfo | |
| source | System | |
| return | void | |
internal virtual void SealFlushedSegment(FlushedSegment flushedSegment)
{
if (Debugging.AssertsEnabled)
{
Debugging.Assert(flushedSegment != null);
}
SegmentCommitInfo newSegment = flushedSegment.segmentInfo;
IndexWriter.SetDiagnostics(newSegment.Info, IndexWriter.SOURCE_FLUSH);
IOContext context = new IOContext(new FlushInfo(newSegment.Info.DocCount, newSegment.GetSizeInBytes()));
bool success = false;
try
{
if (indexWriterConfig.UseCompoundFile)
{
filesToDelete.UnionWith(IndexWriter.CreateCompoundFile(infoStream, directory, CheckAbort.NONE, newSegment.Info, context));
newSegment.Info.UseCompoundFile = true;
}
// Have codec write SegmentInfo. Must do this after
// creating CFS so that 1) .si isn't slurped into CFS,
// and 2) .si reflects useCompoundFile=true change
// above:
codec.SegmentInfoFormat.SegmentInfoWriter.Write(directory, newSegment.Info, flushedSegment.fieldInfos, context);
// TODO: ideally we would freeze newSegment here!!
// because any changes after writing the .si will be
// lost...
// Must write deleted docs after the CFS so we don't
// slurp the del file into CFS:
if (flushedSegment.liveDocs != null)
{
int delCount = flushedSegment.delCount;
if (Debugging.AssertsEnabled)
{
Debugging.Assert(delCount > 0);
}
if (infoStream.IsEnabled("DWPT"))
{
infoStream.Message("DWPT", "flush: write " + delCount + " deletes gen=" + flushedSegment.segmentInfo.DelGen);
}
// TODO: we should prune the segment if it's 100%
// deleted... but merge will also catch it.
// TODO: in the NRT case it'd be better to hand
// this del vector over to the
// shortly-to-be-opened SegmentReader and let it
// carry the changes; there's no reason to use
// filesystem as intermediary here.
SegmentCommitInfo info = flushedSegment.segmentInfo;
Codec codec = info.Info.Codec;
codec.LiveDocsFormat.WriteLiveDocs(flushedSegment.liveDocs, directory, info, delCount, context);
newSegment.DelCount = delCount;
newSegment.AdvanceDelGen();
}
success = true;
}
finally
{
if (!success)
{
if (infoStream.IsEnabled("DWPT"))
{
infoStream.Message("DWPT", "hit exception creating compound file for newly flushed segment " + newSegment.Info.Name);
}
}
}
}
