public QueryDocValues(QueryValueSource vs, AtomicReaderContext readerContext, IDictionary fcontext)
: base(vs)
{
this.readerContext = readerContext;
this.acceptDocs = readerContext.AtomicReader.LiveDocs;
this.defVal = vs.defVal;
this.q = vs.q;
this.fcontext = fcontext;
Weight w = fcontext == null ? null : (Weight)fcontext[vs];
if (w == null)
{
IndexSearcher weightSearcher;
if (fcontext == null)
{
weightSearcher = new IndexSearcher(ReaderUtil.GetTopLevelContext(readerContext));
}
else
{
weightSearcher = (IndexSearcher)fcontext["searcher"];
if (weightSearcher == null)
{
weightSearcher = new IndexSearcher(ReaderUtil.GetTopLevelContext(readerContext));
}
}
vs.CreateWeight(fcontext, weightSearcher);
w = (Weight)fcontext[vs];
}
weight = w;
}
public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
{
BinaryDocValues terms = m_cache.GetTerms(readerContext.AtomicReader, m_field, false, PackedInt32s.FAST);
IndexReader top = ReaderUtil.GetTopLevelContext(readerContext).Reader;
Terms t = MultiFields.GetTerms(top, m_qfield);
TermsEnum termsEnum = t is null ? TermsEnum.EMPTY : t.GetEnumerator();
return(new Int32DocValuesAnonymousClass(this, this, terms, termsEnum));
}
// TODO: this is trappy? perhaps this query instead should make you pass a slow reader yourself?
public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
{
int off = readerContext.DocBase;
IndexReader topReader = ReaderUtil.GetTopLevelContext(readerContext).Reader;
AtomicReader r = SlowCompositeReaderWrapper.Wrap(topReader);
SortedDocValues sindex = FieldCache.DEFAULT.GetTermsIndex(r, m_field);
return(new Int32DocValuesAnonymousInnerClassHelper(this, this, off, sindex));
}
public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
{
BinaryDocValues terms = cache.GetTerms(readerContext.AtomicReader, field, false, PackedInts.FAST);
IndexReader top = ReaderUtil.GetTopLevelContext(readerContext).Reader;
Terms t = MultiFields.GetTerms(top, qfield);
TermsEnum termsEnum = t == null ? TermsEnum.EMPTY : t.Iterator(null);
return(new IntDocValuesAnonymousInnerClassHelper(this, this, terms, termsEnum));
}
// TODO: this is trappy? perhaps this query instead should make you pass a slow reader yourself?
public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
{
IndexReader topReader = ReaderUtil.GetTopLevelContext(readerContext).Reader;
AtomicReader r = SlowCompositeReaderWrapper.Wrap(topReader);
int off = readerContext.DocBase;
var sindex = FieldCache.DEFAULT.GetTermsIndex(r, field);
var end = sindex.ValueCount;
return(new Int32DocValuesAnonymousClass(this, off, sindex, end));
}
public override Scorer GetScorer(AtomicReaderContext context, IBits acceptDocs)
{
Debug.Assert(termStates.TopReaderContext == ReaderUtil.GetTopLevelContext(context), "The top-reader used to create Weight (" + termStates.TopReaderContext + ") is not the same as the current reader's top-reader (" + ReaderUtil.GetTopLevelContext(context));
TermsEnum termsEnum = GetTermsEnum(context);
if (termsEnum == null)
{
return(null);
}
DocsEnum docs = termsEnum.Docs(acceptDocs, null);
Debug.Assert(docs != null);
return(new TermScorer(this, docs, similarity.GetSimScorer(stats, context)));
}
private ScaleInfo CreateScaleInfo(IDictionary context, AtomicReaderContext readerContext)
{
var leaves = ReaderUtil.GetTopLevelContext(readerContext).Leaves;
float minVal = float.PositiveInfinity;
float maxVal = float.NegativeInfinity;
foreach (AtomicReaderContext leaf in leaves)
{
int maxDoc = leaf.Reader.MaxDoc;
FunctionValues vals = m_source.GetValues(context, leaf);
for (int i = 0; i < maxDoc; i++)
{
float val = vals.SingleVal(i);
if ((J2N.BitConversion.SingleToRawInt32Bits(val) & (0xff << 23)) == 0xff << 23)
{
// if the exponent in the float is all ones, then this is +Inf, -Inf or NaN
// which don't make sense to factor into the scale function
continue;
}
if (val < minVal)
{
minVal = val;
}
if (val > maxVal)
{
maxVal = val;
}
}
}
if (minVal == float.PositiveInfinity)
{
// must have been an empty index
minVal = maxVal = 0;
}
var scaleInfo = new ScaleInfo {
MinVal = minVal, MaxVal = maxVal
};
context[this] = scaleInfo;
return(scaleInfo);
}
public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
{
// Searcher has no numdocs so we must use the reader instead
return(new ConstInt32DocValues(ReaderUtil.GetTopLevelContext(readerContext).Reader.NumDocs, this));
}
/// <summary>
/// Does all the "real work" of tallying up the counts. </summary>
private void Count(IList <FacetsCollector.MatchingDocs> matchingDocs)
{
//System.out.println("ssdv count");
MultiDocValues.OrdinalMap ordinalMap;
// TODO: is this right? really, we need a way to
// verify that this ordinalMap "matches" the leaves in
// matchingDocs...
if (dv is MultiDocValues.MultiSortedSetDocValues && matchingDocs.Count > 1)
{
ordinalMap = ((MultiDocValues.MultiSortedSetDocValues)dv).Mapping;
}
else
{
ordinalMap = null;
}
IndexReader origReader = state.OrigReader;
foreach (FacetsCollector.MatchingDocs hits in matchingDocs)
{
var reader = hits.context.AtomicReader;
//System.out.println(" reader=" + reader);
// LUCENE-5090: make sure the provided reader context "matches"
// the top-level reader passed to the
// SortedSetDocValuesReaderState, else cryptic
// AIOOBE can happen:
if (!Equals(ReaderUtil.GetTopLevelContext(hits.context).Reader, origReader))
{
throw new ThreadStateException("the SortedSetDocValuesReaderState provided to this class does not match the reader being searched; you must create a new SortedSetDocValuesReaderState every time you open a new IndexReader");
}
SortedSetDocValues segValues = reader.GetSortedSetDocValues(field);
if (segValues == null)
{
continue;
}
DocIdSetIterator docs = hits.bits.GetIterator();
// TODO: yet another option is to count all segs
// first, only in seg-ord space, and then do a
// merge-sort-PQ in the end to only "resolve to
// global" those seg ords that can compete, if we know
// we just want top K? ie, this is the same algo
// that'd be used for merging facets across shards
// (distributed faceting). but this has much higher
// temp ram req'ts (sum of number of ords across all
// segs)
if (ordinalMap != null)
{
int segOrd = hits.context.Ord;
int numSegOrds = (int)segValues.ValueCount;
if (hits.totalHits < numSegOrds / 10)
{
//System.out.println(" remap as-we-go");
// Remap every ord to global ord as we iterate:
int doc;
while ((doc = docs.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
{
//System.out.println(" doc=" + doc);
segValues.Document = doc;
int term = (int)segValues.NextOrd();
while (term != SortedSetDocValues.NO_MORE_ORDS)
{
//System.out.println(" segOrd=" + segOrd + " ord=" + term + " globalOrd=" + ordinalMap.getGlobalOrd(segOrd, term));
counts[(int)ordinalMap.GetGlobalOrd(segOrd, term)]++;
term = (int)segValues.NextOrd();
}
}
}
else
{
//System.out.println(" count in seg ord first");
// First count in seg-ord space:
int[] segCounts = new int[numSegOrds];
int doc;
while ((doc = docs.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
{
//System.out.println(" doc=" + doc);
segValues.Document = doc;
int term = (int)segValues.NextOrd();
while (term != SortedSetDocValues.NO_MORE_ORDS)
{
//System.out.println(" ord=" + term);
segCounts[term]++;
term = (int)segValues.NextOrd();
}
}
// Then, migrate to global ords:
for (int ord = 0; ord < numSegOrds; ord++)
{
int count = segCounts[ord];
if (count != 0)
{
//System.out.println(" migrate segOrd=" + segOrd + " ord=" + ord + " globalOrd=" + ordinalMap.getGlobalOrd(segOrd, ord));
counts[(int)ordinalMap.GetGlobalOrd(segOrd, ord)] += count;
}
}
}
}
else
{
// No ord mapping (e.g., single segment index):
// just aggregate directly into counts:
int doc;
while ((doc = docs.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
{
segValues.Document = doc;
int term = (int)segValues.NextOrd();
while (term != SortedSetDocValues.NO_MORE_ORDS)
{
counts[term]++;
term = (int)segValues.NextOrd();
}
}
}
}
}