public override void Write(Directory directory, string segmentName, string segmentSuffix, FieldInfos infos, IOContext context)
{
string fileName = IndexFileNames.SegmentFileName(segmentName, "", Lucene42FieldInfosFormat.EXTENSION);
IndexOutput output = directory.CreateOutput(fileName, context);
bool success = false;
try
{
CodecUtil.WriteHeader(output, Lucene42FieldInfosFormat.CODEC_NAME, Lucene42FieldInfosFormat.FORMAT_CURRENT);
output.WriteVInt(infos.Size());
foreach (FieldInfo fi in infos)
{
FieldInfo.IndexOptions?indexOptions = fi.FieldIndexOptions;
sbyte bits = 0x0;
if (fi.HasVectors())
{
bits |= Lucene42FieldInfosFormat.STORE_TERMVECTOR;
}
if (fi.OmitsNorms())
{
bits |= Lucene42FieldInfosFormat.OMIT_NORMS;
}
if (fi.HasPayloads())
{
bits |= Lucene42FieldInfosFormat.STORE_PAYLOADS;
}
if (fi.Indexed)
{
bits |= Lucene42FieldInfosFormat.IS_INDEXED;
Debug.Assert(indexOptions >= FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS || !fi.HasPayloads());
if (indexOptions == FieldInfo.IndexOptions.DOCS_ONLY)
{
bits |= Lucene42FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS;
}
else if (indexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS)
{
bits |= Lucene42FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS;
}
else if (indexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS)
{
bits |= Lucene42FieldInfosFormat.OMIT_POSITIONS;
}
}
output.WriteString(fi.Name);
output.WriteVInt(fi.Number);
output.WriteByte(bits);
// pack the DV types in one byte
sbyte dv = DocValuesByte(fi.DocValuesType);
sbyte nrm = DocValuesByte(fi.NormType);
Debug.Assert((dv & (~0xF)) == 0 && (nrm & (~0x0F)) == 0);
sbyte val = unchecked ((sbyte)(0xff & ((nrm << 4) | dv)));
output.WriteByte(val);
output.WriteStringStringMap(fi.Attributes());
}
success = true;
}
finally
{
if (success)
{
output.Dispose();
}
else
{
IOUtils.CloseWhileHandlingException(output);
}
}
}
public override void Write(Directory directory, string segmentName, string segmentSuffix, FieldInfos infos, IOContext context)
{
string fileName = IndexFileNames.SegmentFileName(segmentName, "", FIELD_INFOS_EXTENSION);
IndexOutput output = directory.CreateOutput(fileName, context);
bool success = false;
try
{
output.WriteVInt(FORMAT_PREFLEX_RW);
output.WriteVInt(infos.Size());
foreach (FieldInfo fi in infos)
{
sbyte bits = 0x0;
if (fi.HasVectors())
{
bits |= STORE_TERMVECTOR;
}
if (fi.OmitsNorms())
{
bits |= OMIT_NORMS;
}
if (fi.HasPayloads())
{
bits |= STORE_PAYLOADS;
}
if (fi.Indexed)
{
bits |= IS_INDEXED;
Debug.Assert(fi.FieldIndexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS || !fi.HasPayloads());
if (fi.FieldIndexOptions == FieldInfo.IndexOptions.DOCS_ONLY)
{
bits |= OMIT_TERM_FREQ_AND_POSITIONS;
}
else if (fi.FieldIndexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS)
{
bits |= OMIT_POSITIONS;
}
}
output.WriteString(fi.Name);
/*
* we need to write the field number since IW tries
* to stabelize the field numbers across segments so the
* FI ordinal is not necessarily equivalent to the field number
*/
output.WriteInt(fi.Number);
output.WriteByte(bits);
if (fi.Indexed && !fi.OmitsNorms())
{
// to allow null norm types we need to indicate if norms are written
// only in RW case
output.WriteByte((sbyte)(fi.NormType == null ? 0 : 1));
}
Debug.Assert(fi.Attributes() == null); // not used or supported
}
success = true;
}
finally
{
if (success)
{
output.Dispose();
}
else
{
IOUtils.CloseWhileHandlingException(output);
}
}
}
public override void Write(Directory directory, string segmentName, string segmentSuffix, FieldInfos infos, IOContext context)
{
string fileName = IndexFileNames.SegmentFileName(segmentName, segmentSuffix, Lucene46FieldInfosFormat.EXTENSION);
IndexOutput output = directory.CreateOutput(fileName, context);
bool success = false;
try
{
CodecUtil.WriteHeader(output, Lucene46FieldInfosFormat.CODEC_NAME, Lucene46FieldInfosFormat.FORMAT_CURRENT);
output.WriteVInt(infos.Size());
foreach (FieldInfo fi in infos)
{
FieldInfo.IndexOptions? indexOptions = fi.FieldIndexOptions;
sbyte bits = 0x0;
if (fi.HasVectors())
{
bits |= Lucene46FieldInfosFormat.STORE_TERMVECTOR;
}
if (fi.OmitsNorms())
{
bits |= Lucene46FieldInfosFormat.OMIT_NORMS;
}
if (fi.HasPayloads())
{
bits |= Lucene46FieldInfosFormat.STORE_PAYLOADS;
}
if (fi.Indexed)
{
bits |= Lucene46FieldInfosFormat.IS_INDEXED;
Debug.Assert(indexOptions >= FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS || !fi.HasPayloads());
if (indexOptions == FieldInfo.IndexOptions.DOCS_ONLY)
{
bits |= Lucene46FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS;
}
else if (indexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS)
{
bits |= Lucene46FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS;
}
else if (indexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS)
{
bits |= Lucene46FieldInfosFormat.OMIT_POSITIONS;
}
}
output.WriteString(fi.Name);
output.WriteVInt(fi.Number);
output.WriteByte((byte)bits);
// pack the DV types in one byte
var dv = DocValuesByte(fi.DocValuesType);
var nrm = DocValuesByte(fi.NormType);
Debug.Assert((dv & (~0xF)) == 0 && (nrm & (~0x0F)) == 0);
var val = unchecked((sbyte)(0xff & ((nrm << 4) | dv)));
output.WriteByte((byte)val);
output.WriteLong(fi.DocValuesGen);
output.WriteStringStringMap(fi.Attributes());
}
CodecUtil.WriteFooter(output);
success = true;
}
finally
{
if (success)
{
output.Dispose();
}
else
{
IOUtils.CloseWhileHandlingException(output);
}
}
}