Ejemplo n.º 1
0
 public /*protected internal*/ virtual bool SetFreqCurrentDoc()
 {
     if (!more)
     {
         return(false);
     }
     doc  = spans.Doc();
     freq = 0.0f;
     do
     {
         int matchLength = spans.End() - spans.Start();
         freq += Similarity.SloppyFreq(matchLength);
         more  = spans.Next();
     }while (more && (doc == spans.Doc()));
     return(true);
 }
Ejemplo n.º 2
0
            public override bool LessThan(System.Object o1, System.Object o2)
            {
                Spans spans1 = (Spans)o1;
                Spans spans2 = (Spans)o2;

                if (spans1.Doc() == spans2.Doc())
                {
                    if (spans1.Start() == spans2.Start())
                    {
                        return(spans1.End() < spans2.End());
                    }
                    else
                    {
                        return(spans1.Start() < spans2.Start());
                    }
                }
                else
                {
                    return(spans1.Doc() < spans2.Doc());
                }
            }
Ejemplo n.º 3
0
                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));
                }
Ejemplo n.º 4
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?
     }
 }
 public virtual int End()
 {
     return(spans.End());
 }