//
protected internal override bool SetFreqCurrentDoc()
{
if (!More)
{
return(false);
}
Doc = Spans.Doc();
Freq_Renamed = 0.0f;
PayloadScore = 0;
PayloadsSeen = 0;
do
{
int matchLength = Spans.End() - Spans.Start();
Freq_Renamed += DocScorer.ComputeSlopFactor(matchLength);
Spans[] spansArr = new Spans[1];
spansArr[0] = Spans;
GetPayloads(spansArr);
More = Spans.Next();
} while (More && (Doc == Spans.Doc()));
return(true);
}
protected internal override bool SetFreqCurrentDoc()
{
if (!More)
{
return(false);
}
Doc = Spans.Doc();
Freq_Renamed = 0.0f;
NumMatches = 0;
PayloadScore_Renamed = 0;
PayloadsSeen = 0;
while (More && Doc == Spans.Doc())
{
int matchLength = Spans.End() - Spans.Start();
Freq_Renamed += DocScorer.ComputeSlopFactor(matchLength);
NumMatches++;
ProcessPayload(OuterInstance.Similarity);
More = Spans.Next(); // this moves positions to the next match in this
// document
}
return(More || (Freq_Renamed != 0));
}
protected internal virtual void ProcessPayload(Similarity similarity)
{
if (TermSpans.PayloadAvailable)
{
DocsAndPositionsEnum postings = TermSpans.Postings;
Payload = postings.Payload;
if (Payload != null)
{
PayloadScore_Renamed = OuterInstance.OuterInstance.Function.CurrentScore(Doc, OuterInstance.OuterInstance.Term.Field, Spans.Start(), Spans.End(), PayloadsSeen, PayloadScore_Renamed, DocScorer.ComputePayloadFactor(Doc, Spans.Start(), Spans.End(), Payload));
}
else
{
PayloadScore_Renamed = OuterInstance.OuterInstance.Function.CurrentScore(Doc, OuterInstance.OuterInstance.Term.Field, Spans.Start(), Spans.End(), PayloadsSeen, PayloadScore_Renamed, 1F);
}
PayloadsSeen++;
}
else
{
// zero out the payload?
}
}
/// <summary>
/// By default, uses the <seealso cref="PayloadFunction"/> to score the payloads, but
/// can be overridden to do other things.
/// </summary>
/// <param name="payLoads"> The payloads </param>
/// <param name="start"> The start position of the span being scored </param>
/// <param name="end"> The end position of the span being scored
/// </param>
/// <seealso cref= Spans </seealso>
protected internal virtual void ProcessPayloads(ICollection <byte[]> payLoads, int start, int end)
{
foreach (var thePayload in payLoads)
{
Scratch.Bytes = thePayload;
Scratch.Offset = 0;
Scratch.Length = thePayload.Length;
PayloadScore = OuterInstance.Function.CurrentScore(Doc, OuterInstance.FieldName, start, end, PayloadsSeen, PayloadScore, DocScorer.ComputePayloadFactor(Doc, Spans.Start(), Spans.End(), Scratch));
++PayloadsSeen;
}
}
