public virtual Explanation Explain(IndexReader ir, int i) { Explanation inner = weight.Explain(ir, i); if (Enclosing_Instance.GetBoost() != 1) { Explanation preBoost = inner; inner = new Explanation(inner.GetValue() * Enclosing_Instance.GetBoost(), "product of:"); inner.AddDetail(new Explanation(Enclosing_Instance.GetBoost(), "boost")); inner.AddDetail(preBoost); } Filter f = Enclosing_Instance.filter; DocIdSetIterator docIdSetIterator = f.GetDocIdSet(ir).Iterator(); if (docIdSetIterator.SkipTo(i) && docIdSetIterator.Doc() == i) { return(inner); } else { Explanation result = new Explanation(0.0f, "failure to match filter: " + f.ToString()); result.AddDetail(inner); return(result); } }
private bool AdvanceToCommon() { while (scorer.Doc() != docIdSetIterator.Doc()) { if (scorer.Doc() < docIdSetIterator.Doc()) { if (!scorer.SkipTo(docIdSetIterator.Doc())) { return(false); } } else if (!docIdSetIterator.SkipTo(scorer.Doc())) { return(false); } } return(true); }
// inherit javadoc public override void Search(Weight weight, Filter filter, HitCollector results) { Scorer scorer = weight.Scorer(reader); if (scorer == null) { return; } if (filter == null) { scorer.Score(results); return; } DocIdSetIterator filterDocIdIterator = filter.GetDocIdSet(reader).Iterator(); // CHECKME: use ConjunctionScorer here? bool more = filterDocIdIterator.Next() && scorer.SkipTo(filterDocIdIterator.Doc()); while (more) { int filterDocId = filterDocIdIterator.Doc(); if (filterDocId > scorer.Doc() && !scorer.SkipTo(filterDocId)) { more = false; } else { int scorerDocId = scorer.Doc(); if (scorerDocId == filterDocId) // permitted by filter { results.Collect(scorerDocId, scorer.Score()); more = filterDocIdIterator.Next(); } else { more = filterDocIdIterator.SkipTo(scorerDocId); } } } }
public override bool SkipTo(int target) { return(docIdSetIterator.SkipTo(target)); }