/// <summary>
/// Returns file names for shared doc stores, if any, else
/// <c>null</c>.
/// </summary>
public static ISet <string> GetDocStoreFiles(SegmentInfo info)
{
if (Lucene3xSegmentInfoFormat.GetDocStoreOffset(info) != -1)
{
string dsName = Lucene3xSegmentInfoFormat.GetDocStoreSegment(info);
ISet <string> files = new JCG.HashSet <string>();
if (Lucene3xSegmentInfoFormat.GetDocStoreIsCompoundFile(info))
{
files.Add(IndexFileNames.SegmentFileName(dsName, "", COMPOUND_FILE_STORE_EXTENSION));
}
else
{
files.Add(IndexFileNames.SegmentFileName(dsName, "", Lucene3xStoredFieldsReader.FIELDS_INDEX_EXTENSION));
files.Add(IndexFileNames.SegmentFileName(dsName, "", Lucene3xStoredFieldsReader.FIELDS_EXTENSION));
files.Add(IndexFileNames.SegmentFileName(dsName, "", Lucene3xTermVectorsReader.VECTORS_INDEX_EXTENSION));
files.Add(IndexFileNames.SegmentFileName(dsName, "", Lucene3xTermVectorsReader.VECTORS_FIELDS_EXTENSION));
files.Add(IndexFileNames.SegmentFileName(dsName, "", Lucene3xTermVectorsReader.VECTORS_DOCUMENTS_EXTENSION));
}
return(files);
}
else
{
return(null);
}
}
/// <summary>
/// Save a single segment's info. </summary>
public override void Write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext)
{
string fileName = IndexFileNames.SegmentFileName(si.Name, "", Lucene46SegmentInfoFormat.SI_EXTENSION);
si.AddFile(fileName);
IndexOutput output = dir.CreateOutput(fileName, ioContext);
bool success = false;
try
{
CodecUtil.WriteHeader(output, Lucene46SegmentInfoFormat.CODEC_NAME, Lucene46SegmentInfoFormat.VERSION_CURRENT);
// Write the Lucene version that created this segment, since 3.1
output.WriteString(si.Version);
output.WriteInt32(si.DocCount);
output.WriteByte((byte)(sbyte)(si.UseCompoundFile ? SegmentInfo.YES : SegmentInfo.NO));
output.WriteStringStringMap(si.Diagnostics);
output.WriteStringSet(si.GetFiles());
CodecUtil.WriteFooter(output);
success = true;
}
finally
{
if (!success)
{
IOUtils.DisposeWhileHandlingException(output);
si.Dir.DeleteFile(fileName);
}
else
{
output.Dispose();
}
}
}
