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); } } } }