public override sealed SimScorer DoSimScorer(SimWeight stats, AtomicReaderContext context)
{
BM25Stats bm25stats = (BM25Stats)stats;
return new BM25DocScorer(this, bm25stats, ((AtomicReader)context.Reader()).GetNormValues(bm25stats.Field));
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, Bits acceptDocs)
{
SortedSetDocValues docTermOrds = FieldCache_Fields.DEFAULT.GetDocTermOrds(((AtomicReader)context.Reader()), Field);
long lowerPoint = LowerVal == null ? -1 : docTermOrds.LookupTerm(LowerVal);
long upperPoint = UpperVal == null ? -1 : docTermOrds.LookupTerm(UpperVal);
long inclusiveLowerPoint, inclusiveUpperPoint;
// Hints:
// * binarySearchLookup returns -1, if value was null.
// * the value is <0 if no exact hit was found, the returned value
// is (-(insertion point) - 1)
if (lowerPoint == -1 && LowerVal == null)
{
inclusiveLowerPoint = 0;
}
else if (IncludeLower && lowerPoint >= 0)
{
inclusiveLowerPoint = lowerPoint;
}
else if (lowerPoint >= 0)
{
inclusiveLowerPoint = lowerPoint + 1;
}
else
{
inclusiveLowerPoint = Math.Max(0, -lowerPoint - 1);
}
if (upperPoint == -1 && UpperVal == null)
{
inclusiveUpperPoint = long.MaxValue;
}
else if (IncludeUpper && upperPoint >= 0)
{
inclusiveUpperPoint = upperPoint;
}
else if (upperPoint >= 0)
{
inclusiveUpperPoint = upperPoint - 1;
}
else
{
inclusiveUpperPoint = -upperPoint - 2;
}
if (inclusiveUpperPoint < 0 || inclusiveLowerPoint > inclusiveUpperPoint)
{
return null;
}
Debug.Assert(inclusiveLowerPoint >= 0 && inclusiveUpperPoint >= 0);
return new FieldCacheDocIdSetAnonymousInnerClassHelper(this, context.Reader().MaxDoc(), acceptDocs, docTermOrds, inclusiveLowerPoint, inclusiveUpperPoint);
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, Bits acceptDocs)
{
return new FixedBitSet(context.Reader().MaxDoc());
}
/// <exception cref="System.IO.IOException"></exception>
public override void SetNextReader(AtomicReaderContext context)
{
if (segmentFacetCounts != null)
{
segmentResults.AddItem(((TermGroupFacetCollector.MV.SegmentResult)CreateSegmentResult
()));
}
groupFieldTermsIndex = FieldCache.DEFAULT.GetTermsIndex(((AtomicReader)context.Reader
()), groupField);
facetFieldDocTermOrds = FieldCache.DEFAULT.GetDocTermOrds(((AtomicReader)context.
Reader()), facetField);
facetFieldNumTerms = (int)facetFieldDocTermOrds.GetValueCount();
if (facetFieldNumTerms == 0)
{
facetOrdTermsEnum = null;
}
else
{
facetOrdTermsEnum = facetFieldDocTermOrds.TermsEnum();
}
// [facetFieldNumTerms() + 1] for all possible facet values and docs not containing facet field
segmentFacetCounts = new int[facetFieldNumTerms + 1];
segmentTotalCount = 0;
segmentGroupedFacetHits.Clear();
foreach (GroupedFacetHit groupedFacetHit in groupedFacetHits)
{
int groupOrd = groupedFacetHit.groupValue == null ? -1 : groupFieldTermsIndex.LookupTerm
(groupedFacetHit.groupValue);
if (groupedFacetHit.groupValue != null && groupOrd < 0)
{
continue;
}
int facetOrd;
if (groupedFacetHit.facetValue != null)
{
if (facetOrdTermsEnum == null || !facetOrdTermsEnum.SeekExact(groupedFacetHit.facetValue
))
{
continue;
}
facetOrd = (int)facetOrdTermsEnum.Ord();
}
else
{
facetOrd = facetFieldNumTerms;
}
// (facetFieldDocTermOrds.numTerms() + 1) for all possible facet values and docs not containing facet field
int segmentGroupedFacetsIndex = groupOrd * (facetFieldNumTerms + 1) + facetOrd;
segmentGroupedFacetHits.Put(segmentGroupedFacetsIndex);
}
if (facetPrefix != null)
{
TermsEnum.SeekStatus seekStatus;
if (facetOrdTermsEnum != null)
{
seekStatus = facetOrdTermsEnum.SeekCeil(facetPrefix);
}
else
{
seekStatus = TermsEnum.SeekStatus.END;
}
if (seekStatus != TermsEnum.SeekStatus.END)
{
startFacetOrd = (int)facetOrdTermsEnum.Ord();
}
else
{
startFacetOrd = 0;
endFacetOrd = 0;
return;
}
BytesRef facetEndPrefix = BytesRef.DeepCopyOf(facetPrefix);
facetEndPrefix.Append(UnicodeUtil.BIG_TERM);
seekStatus = facetOrdTermsEnum.SeekCeil(facetEndPrefix);
if (seekStatus != TermsEnum.SeekStatus.END)
{
endFacetOrd = (int)facetOrdTermsEnum.Ord();
}
else
{
endFacetOrd = facetFieldNumTerms;
}
}
else
{
// Don't include null...
startFacetOrd = 0;
endFacetOrd = facetFieldNumTerms + 1;
}
}
/// <exception cref="System.IO.IOException"></exception>
public override void SetNextReader(AtomicReaderContext context)
{
if (segmentFacetCounts != null)
{
segmentResults.AddItem(((TermGroupFacetCollector.SV.SegmentResult)CreateSegmentResult
()));
}
groupFieldTermsIndex = FieldCache.DEFAULT.GetTermsIndex(((AtomicReader)context.Reader
()), groupField);
facetFieldTermsIndex = FieldCache.DEFAULT.GetTermsIndex(((AtomicReader)context.Reader
()), facetField);
// 1+ to allow for the -1 "not set":
segmentFacetCounts = new int[facetFieldTermsIndex.GetValueCount() + 1];
segmentTotalCount = 0;
segmentGroupedFacetHits.Clear();
foreach (GroupedFacetHit groupedFacetHit in groupedFacetHits)
{
int facetOrd = groupedFacetHit.facetValue == null ? -1 : facetFieldTermsIndex.LookupTerm
(groupedFacetHit.facetValue);
if (groupedFacetHit.facetValue != null && facetOrd < 0)
{
continue;
}
int groupOrd = groupedFacetHit.groupValue == null ? -1 : groupFieldTermsIndex.LookupTerm
(groupedFacetHit.groupValue);
if (groupedFacetHit.groupValue != null && groupOrd < 0)
{
continue;
}
int segmentGroupedFacetsIndex = groupOrd * (facetFieldTermsIndex.GetValueCount()
+ 1) + facetOrd;
segmentGroupedFacetHits.Put(segmentGroupedFacetsIndex);
}
if (facetPrefix != null)
{
startFacetOrd = facetFieldTermsIndex.LookupTerm(facetPrefix);
if (startFacetOrd < 0)
{
// Points to the ord one higher than facetPrefix
startFacetOrd = -startFacetOrd - 1;
}
BytesRef facetEndPrefix = BytesRef.DeepCopyOf(facetPrefix);
facetEndPrefix.Append(UnicodeUtil.BIG_TERM);
endFacetOrd = facetFieldTermsIndex.LookupTerm(facetEndPrefix);
endFacetOrd < 0 = -endFacetOrd - 1;
}
else
{
// Points to the ord one higher than facetEndPrefix
startFacetOrd = -1;
endFacetOrd = facetFieldTermsIndex.GetValueCount();
}
}
public override Explanation Explain(AtomicReaderContext ir, int i)
{
Explanation inner = Weight.Explain(ir, i);
Filter f = OuterInstance.Filter_Renamed;
DocIdSet docIdSet = f.GetDocIdSet(ir, ((AtomicReader)ir.Reader()).LiveDocs);
DocIdSetIterator docIdSetIterator = docIdSet == null ? DocIdSetIterator.Empty() : docIdSet.GetIterator();
if (docIdSetIterator == null)
{
docIdSetIterator = DocIdSetIterator.Empty();
}
if (docIdSetIterator.Advance(i) == i)
{
return inner;
}
else
{
Explanation result = new Explanation(0.0f, "failure to match filter: " + f.ToString());
result.AddDetail(inner);
return result;
}
}
public override Explanation Explain(AtomicReaderContext context, int doc)
{
PayloadNearSpanScorer scorer = (PayloadNearSpanScorer)Scorer(context, ((AtomicReader)context.Reader()).LiveDocs);
if (scorer != null)
{
int newDoc = scorer.Advance(doc);
if (newDoc == doc)
{
float freq = scorer.Freq();
Similarity.SimScorer docScorer = Similarity.DoSimScorer(Stats, context);
Explanation expl = new Explanation();
expl.Description = "weight(" + Query + " in " + doc + ") [" + Similarity.GetType().Name + "], result of:";
Explanation scoreExplanation = docScorer.Explain(doc, new Explanation(freq, "phraseFreq=" + freq));
expl.AddDetail(scoreExplanation);
expl.Value = scoreExplanation.Value;
string field = ((SpanQuery)Query).Field;
// now the payloads part
Explanation payloadExpl = OuterInstance.Function.Explain(doc, field, scorer.PayloadsSeen, scorer.PayloadScore);
// combined
ComplexExplanation result = new ComplexExplanation();
result.AddDetail(expl);
result.AddDetail(payloadExpl);
result.Value = expl.Value * payloadExpl.Value;
result.Description = "PayloadNearQuery, product of:";
return result;
}
}
return new ComplexExplanation(false, 0.0f, "no matching term");
}
public override FieldComparator SetNextReader(AtomicReaderContext context)
{
idIndex = FieldCache_Fields.DEFAULT.GetTermsIndex((AtomicReader)context.Reader(), Fieldname);
return this;
}
