public override void FinishTerm(BytesRef text, TermStats stats)
{
// write term meta data into fst
var state = _outerInstance._postingsWriter.NewTermState();
var meta = new FSTTermOutputs.TermData
{
LONGS = new long[_longsSize],
BYTES = null,
DOC_FREQ = state.DocFreq = stats.DocFreq,
TOTAL_TERM_FREQ = state.TotalTermFreq = stats.TotalTermFreq
};
_outerInstance._postingsWriter.FinishTerm(state);
_outerInstance._postingsWriter.EncodeTerm(meta.LONGS, _metaWriter, _fieldInfo, state, true);
var bytesSize = (int)_metaWriter.FilePointer;
if (bytesSize > 0)
{
meta.BYTES = new byte[bytesSize];
_metaWriter.WriteTo(meta.BYTES, 0);
_metaWriter.Reset();
}
_builder.Add(Util.ToIntsRef(text, _scratchTerm), meta);
_numTerms++;
}
/// <summary>
/// Load frame for target arc(node) on fst, so that
/// arc.label >= label and !fsa.reject(arc.label)
/// </summary>
internal Frame LoadCeilFrame(int label, Frame top, Frame frame)
{
FST.Arc <FSTTermOutputs.TermData> arc = frame.fstArc;
arc = Util.readCeilArc(label, fst, top.fstArc, arc, fstReader);
if (arc == null)
{
return(null);
}
frame.fsaState = fsa.Step(top.fsaState, arc.Label);
//if (TEST) System.out.println(" loadCeil frame="+frame);
if (frame.fsaState == -1)
{
return(LoadNextFrame(top, frame));
}
return(frame);
}
private void LoadTerms()
{
var posIntOutputs = PositiveIntOutputs.Singleton;
var outputsInner = new PairOutputs <long?, long?>(posIntOutputs, posIntOutputs);
var outputs = new PairOutputs <long?, PairOutputs <long?, long?> .Pair>(posIntOutputs, outputsInner);
// honestly, wtf kind of generic mess is this.
var b = new Builder <PairOutputs <long?, PairOutputs <long?, long?> .Pair> .Pair>(FST.INPUT_TYPE.BYTE1, outputs);
var input = (IndexInput)_outerInstance._input.Clone();
input.Seek(_termsStart);
var lastTerm = new BytesRef(10);
long lastDocsStart = -1;
int docFreq = 0;
long totalTermFreq = 0;
var visitedDocs = new FixedBitSet(_maxDoc);
var scratchIntsRef = new IntsRef();
while (true)
{
SimpleTextUtil.ReadLine(input, _scratch);
if (_scratch.Equals(SimpleTextFieldsWriter.END) || StringHelper.StartsWith(_scratch, SimpleTextFieldsWriter.FIELD))
{
if (lastDocsStart != -1)
{
b.Add(Util.ToIntsRef(lastTerm, scratchIntsRef),
outputs.NewPair(lastDocsStart, outputsInner.NewPair(docFreq, totalTermFreq)));
_sumTotalTermFreq += totalTermFreq;
}
break;
}
if (StringHelper.StartsWith(_scratch, SimpleTextFieldsWriter.DOC))
{
docFreq++;
_sumDocFreq++;
UnicodeUtil.UTF8toUTF16(_scratch.Bytes, _scratch.Offset + SimpleTextFieldsWriter.DOC.Length, _scratch.Length - SimpleTextFieldsWriter.DOC.Length,
_scratchUtf16);
int docId = ArrayUtil.ParseInt(_scratchUtf16.Chars, 0, _scratchUtf16.Length);
visitedDocs.Set(docId);
}
else if (StringHelper.StartsWith(_scratch, SimpleTextFieldsWriter.FREQ))
{
UnicodeUtil.UTF8toUTF16(_scratch.Bytes, _scratch.Offset + SimpleTextFieldsWriter.FREQ.Length,
_scratch.Length - SimpleTextFieldsWriter.FREQ.Length, _scratchUtf16);
totalTermFreq += ArrayUtil.ParseInt(_scratchUtf16.Chars, 0, _scratchUtf16.Length);
}
else if (StringHelper.StartsWith(_scratch, SimpleTextFieldsWriter.TERM))
{
if (lastDocsStart != -1)
{
b.Add(Util.ToIntsRef(lastTerm, scratchIntsRef),
outputs.NewPair(lastDocsStart, outputsInner.NewPair(docFreq, totalTermFreq)));
}
lastDocsStart = input.FilePointer;
int len = _scratch.Length - SimpleTextFieldsWriter.TERM.Length;
if (len > lastTerm.Length)
{
lastTerm.Grow(len);
}
Array.Copy(_scratch.Bytes, SimpleTextFieldsWriter.TERM.Length, lastTerm.Bytes, 0, len);
lastTerm.Length = len;
docFreq = 0;
_sumTotalTermFreq += totalTermFreq;
totalTermFreq = 0;
_termCount++;
}
}
_docCount = visitedDocs.Cardinality();
_fst = b.Finish();
}