/// <summary>
/// Load current stats shard </summary>
internal void RefillStats()
{
var offset = statsBlockOrd * outerInstance.numSkipInfo;
var statsFP = (int)outerInstance.skipInfo[offset];
statsReader.Position = statsFP;
for (int i = 0; i < INTERVAL && !statsReader.Eof(); i++)
{
int code = statsReader.ReadVInt();
if (outerInstance.HasFreqs())
{
docFreq_Renamed[i] = ((int)((uint)code >> 1));
if ((code & 1) == 1)
{
totalTermFreq_Renamed[i] = docFreq_Renamed[i];
}
else
{
totalTermFreq_Renamed[i] = docFreq_Renamed[i] + statsReader.ReadVLong();
}
}
else
{
docFreq_Renamed[i] = code;
}
}
}
public override long NextOrd()
{
if (Input.Eof())
{
return(NO_MORE_ORDS);
}
else
{
currentOrd += Input.ReadVLong();
return(currentOrd);
}
}
/// <summary>
/// Load current metadata shard </summary>
internal void RefillMetadata()
{
var offset = metaBlockOrd * outerInstance.numSkipInfo;
var metaLongsFP = (int)outerInstance.skipInfo[offset + 1];
var metaBytesFP = (int)outerInstance.skipInfo[offset + 2];
metaLongsReader.Position = metaLongsFP;
for (int j = 0; j < outerInstance.longsSize; j++)
{
longs[0][j] = outerInstance.skipInfo[offset + 3 + j] + metaLongsReader.ReadVLong();
}
bytesStart[0] = metaBytesFP;
bytesLength[0] = (int)metaLongsReader.ReadVLong();
for (int i = 1; i < INTERVAL && !metaLongsReader.Eof(); i++)
{
for (int j = 0; j < outerInstance.longsSize; j++)
{
longs[i][j] = longs[i - 1][j] + metaLongsReader.ReadVLong();
}
bytesStart[i] = bytesStart[i - 1] + bytesLength[i - 1];
bytesLength[i] = (int)metaLongsReader.ReadVLong();
}
}
private void DecodeMetaData()
{
//System.out.println("BTR.decodeMetadata mdUpto=" + metaDataUpto + " vs termCount=" + state.TermBlockOrd + " state=" + state);
if (!_seekPending)
{
// TODO: cutover to random-access API
// here.... really stupid that we have to decode N
// wasted term metadata just to get to the N+1th
// that we really need...
// lazily catch up on metadata decode:
var limit = _state.TermBlockOrd;
var absolute = _metaDataUpto == 0;
// TODO: better API would be "jump straight to term=N"???
while (_metaDataUpto < limit)
{
//System.out.println(" decode mdUpto=" + metaDataUpto);
// TODO: we could make "tiers" of metadata, ie,
// decode docFreq/totalTF but don't decode postings
// metadata; this way caller could get
// docFreq/totalTF w/o paying decode cost for
// postings
// TODO: if docFreq were bulk decoded we could
// just skipN here:
_state.DocFreq = _freqReader.ReadVInt();
if (_fieldReader._fieldInfo.FieldIndexOptions != FieldInfo.IndexOptions.DOCS_ONLY)
{
_state.TotalTermFreq = _state.DocFreq + _freqReader.ReadVLong();
}
// metadata
for (int i = 0; i < _longs.Length; i++)
{
_longs[i] = _bytesReader.ReadVLong();
}
_blockTermsReader._postingsReader.DecodeTerm(_longs, _bytesReader, _fieldReader._fieldInfo, _state, absolute);
_metaDataUpto++;
absolute = false;
}
}
}
internal void decodeMetaData()
{
if (!didDecode)
{
buffer.Reset(current.Output.Bytes, current.Output.Offset, current.Output.Length);
docFreq_Renamed = buffer.ReadVInt();
if (field.FieldIndexOptions != IndexOptions.DOCS_ONLY)
{
totalTermFreq_Renamed = docFreq_Renamed + buffer.ReadVLong();
}
else
{
totalTermFreq_Renamed = -1;
}
postingsSpare.Bytes = current.Output.Bytes;
postingsSpare.Offset = buffer.Position;
postingsSpare.Length = current.Output.Length - (buffer.Position - current.Output.Offset);
//System.out.println(" df=" + docFreq + " totTF=" + totalTermFreq + " offset=" + buffer.getPosition() + " len=" + current.output.length);
didDecode = true;
}
}
