private void SearchWithFilter(IndexReader reader, Weight weight, Filter filter, Collector collector)
{
DocIdSet docIdSet = filter.GetDocIdSet(reader);
if (docIdSet == null)
return;
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer == null)
return;
scorer.DocID();
DocIdSetIterator docIdSetIterator = docIdSet.Iterator();
if (docIdSetIterator == null)
return;
int target = docIdSetIterator.NextDoc();
int num = scorer.Advance(target);
collector.SetScorer(scorer);
while (true)
{
while (num != target)
{
if (num > target)
target = docIdSetIterator.Advance(num);
else
num = scorer.Advance(target);
}
if (num != DocIdSetIterator.NO_MORE_DOCS && !((GroupCollector)collector).GroupLimitReached)
{
collector.Collect(num);
target = docIdSetIterator.NextDoc();
num = scorer.Advance(target);
}
else
break;
}
}