// firstDocID is ignored since nextDoc() sets 'doc'
public /*protected internal*/ override bool Score(Collector c, int end, int firstDocID)
{
c.SetScorer(this);
while (doc < end)
{
// for docs in window
c.Collect(doc); // collect score
if (++pointer >= pointerMax)
{
pointerMax = termDocs.Read(docs, freqs); // refill buffers
if (pointerMax != 0)
{
pointer = 0;
}
else
{
termDocs.Close(); // close stream
doc = System.Int32.MaxValue; // set to sentinel value
return(false);
}
}
doc = docs[pointer];
}
return(true);
}
// firstDocID is ignored since nextDoc() sets 'doc'
public /*protected internal*/ override bool Score(Collector c, int end, int firstDocID)
{
c.SetScorer(this);
while (doc < end)
{
// for docs in window
c.Collect(doc); // collect score
if (++pointer >= pointerMax)
{
pointerMax = termDocs.Read(docs, freqs); // refill buffers
if (pointerMax != 0)
{
pointer = 0;
}
else
{
termDocs.Close(); // close stream
doc = System.Int32.MaxValue; // set to sentinel value
return false;
}
}
doc = docs[pointer];
}
return true;
}
public override void SetScorer(Scorer scorer)
{
// Set a ScoreCachingWrappingScorer in case the wrapped Collector will call
// score() also.
this.scorer = new ScoreCachingWrappingScorer(scorer);
c.SetScorer(this.scorer);
}
/// <summary>Scores and collects all matching documents.</summary>
/// <param name="collector">The collector to which all matching documents are passed through.</param>
public override void Score(Collector collector)
{
collector.SetScorer(this);
while (NextDoc() != NO_MORE_DOCS)
{
collector.Collect(currentDoc);
}
}
private void SearchWithFilter(IndexReader reader, Weight weight, Filter filter, Collector collector)
{
System.Diagnostics.Debug.Assert(filter != null);
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer == null)
{
return;
}
int docID = scorer.DocID();
System.Diagnostics.Debug.Assert(docID == -1 || docID == DocIdSetIterator.NO_MORE_DOCS);
// CHECKME: use ConjunctionScorer here?
DocIdSet filterDocIdSet = filter.GetDocIdSet(reader);
if (filterDocIdSet == null)
{
// this means the filter does not accept any documents.
return;
}
DocIdSetIterator filterIter = filterDocIdSet.Iterator();
if (filterIter == null)
{
// this means the filter does not accept any documents.
return;
}
int filterDoc = filterIter.NextDoc();
int scorerDoc = scorer.Advance(filterDoc);
collector.SetScorer(scorer);
while (true)
{
if (scorerDoc == filterDoc)
{
// Check if scorer has exhausted, only before collecting.
if (scorerDoc == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
collector.Collect(scorerDoc);
filterDoc = filterIter.NextDoc();
scorerDoc = scorer.Advance(filterDoc);
}
else if (scorerDoc > filterDoc)
{
filterDoc = filterIter.Advance(scorerDoc);
}
else
{
scorerDoc = scorer.Advance(filterDoc);
}
}
}
/// <summary>Expert: Collects matching documents in a range. Hook for optimization.
/// Note that <see cref="NextDoc()" /> must be called once before this method is called
/// for the first time.
/// </summary>
/// <param name="collector">The collector to which all matching documents are passed through.
/// </param>
/// <param name="max">Do not score documents past this.
/// </param>
/// <param name="firstDocID"></param>
/// <returns> true if more matching documents may remain.
/// </returns>
public /*protected internal*/ override bool Score(Collector collector, int max, int firstDocID)
{
// firstDocID is ignored since nextDoc() sets 'currentDoc'
collector.SetScorer(this);
while (currentDoc < max)
{
collector.Collect(currentDoc);
if (NextDoc() == NO_MORE_DOCS)
{
return(false);
}
}
return(true);
}
// firstDocID is ignored since nextDoc() initializes 'current'
public /*protected internal*/ override bool Score(Collector collector, int max, int firstDocID)
{
bool more;
Bucket tmp;
BucketScorer bs = new BucketScorer();
// The internal loop will set the score and doc before calling collect.
collector.SetScorer(bs);
do
{
bucketTable.first = null;
while (current != null)
{
// more queued
// check prohibited & required
if ((current.bits & prohibitedMask) == 0 && (current.bits & requiredMask) == requiredMask)
{
if (current.doc >= max)
{
tmp = current;
current = current.next;
tmp.next = bucketTable.first;
bucketTable.first = tmp;
continue;
}
if (current.coord >= minNrShouldMatch)
{
bs.score = current.score * coordFactors[current.coord];
bs.doc = current.doc;
collector.Collect(current.doc);
}
}
current = current.next; // pop the queue
}
if (bucketTable.first != null)
{
current = bucketTable.first;
bucketTable.first = current.next;
return(true);
}
// refill the queue
more = false;
end += BucketTable.SIZE;
for (SubScorer sub = scorers; sub != null; sub = sub.next)
{
int subScorerDocID = sub.scorer.DocID();
if (subScorerDocID != NO_MORE_DOCS)
{
more |= sub.scorer.Score(sub.collector, end, subScorerDocID);
}
}
current = bucketTable.first;
}while (current != null || more);
return(false);
}
// firstDocID is ignored since nextDoc() initializes 'current'
public /*protected internal*/ override bool Score(Collector collector, int max, int firstDocID)
{
bool more;
Bucket tmp;
BucketScorer bs = new BucketScorer();
// The internal loop will set the score and doc before calling collect.
collector.SetScorer(bs);
do
{
bucketTable.first = null;
while (current != null)
{
// more queued
// check prohibited & required
if ((current.bits & prohibitedMask) == 0 && (current.bits & requiredMask) == requiredMask)
{
if (current.doc >= max)
{
tmp = current;
current = current.next;
tmp.next = bucketTable.first;
bucketTable.first = tmp;
continue;
}
if (current.coord >= minNrShouldMatch)
{
bs.score = current.score * coordFactors[current.coord];
bs.doc = current.doc;
collector.Collect(current.doc);
}
}
current = current.next; // pop the queue
}
if (bucketTable.first != null)
{
current = bucketTable.first;
bucketTable.first = current.next;
return true;
}
// refill the queue
more = false;
end += BucketTable.SIZE;
for (SubScorer sub = scorers; sub != null; sub = sub.next)
{
int subScorerDocID = sub.scorer.DocID();
if (subScorerDocID != NO_MORE_DOCS)
{
more |= sub.scorer.Score(sub.collector, end, subScorerDocID);
}
}
current = bucketTable.first;
}
while (current != null || more);
return false;
}
private void SearchWithFilter(IndexReader reader, Weight weight, Filter filter, Collector collector)
{
System.Diagnostics.Debug.Assert(filter != null);
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer == null)
{
return ;
}
int docID = scorer.DocID();
System.Diagnostics.Debug.Assert(docID == - 1 || docID == DocIdSetIterator.NO_MORE_DOCS);
// CHECKME: use ConjunctionScorer here?
DocIdSet filterDocIdSet = filter.GetDocIdSet(reader);
if (filterDocIdSet == null)
{
// this means the filter does not accept any documents.
return ;
}
DocIdSetIterator filterIter = filterDocIdSet.Iterator();
if (filterIter == null)
{
// this means the filter does not accept any documents.
return ;
}
int filterDoc = filterIter.NextDoc();
int scorerDoc = scorer.Advance(filterDoc);
collector.SetScorer(scorer);
while (true)
{
if (scorerDoc == filterDoc)
{
// Check if scorer has exhausted, only before collecting.
if (scorerDoc == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
collector.Collect(scorerDoc);
filterDoc = filterIter.NextDoc();
scorerDoc = scorer.Advance(filterDoc);
}
else if (scorerDoc > filterDoc)
{
filterDoc = filterIter.Advance(scorerDoc);
}
else
{
scorerDoc = scorer.Advance(filterDoc);
}
}
}
/// <summary>Expert: Collects matching documents in a range. Hook for optimization.
/// Note that <see cref="NextDoc()" /> must be called once before this method is called
/// for the first time.
/// </summary>
/// <param name="collector">The collector to which all matching documents are passed through.
/// </param>
/// <param name="max">Do not score documents past this.
/// </param>
/// <param name="firstDocID"></param>
/// <returns> true if more matching documents may remain.
/// </returns>
public /*protected internal*/ override bool Score(Collector collector, int max, int firstDocID)
{
// firstDocID is ignored since nextDoc() sets 'currentDoc'
collector.SetScorer(this);
while (currentDoc < max)
{
collector.Collect(currentDoc);
if (NextDoc() == NO_MORE_DOCS)
{
return false;
}
}
return true;
}
/// <summary>Scores and collects all matching documents.</summary>
/// <param name="collector">The collector to which all matching documents are passed through.</param>
public override void Score(Collector collector)
{
collector.SetScorer(this);
while (NextDoc() != NO_MORE_DOCS)
{
collector.Collect(currentDoc);
}
}
public override void SetScorer(Scorer scorer)
{
collector.SetScorer(scorer);
}