@Override
public Weight createWeight(IndexSearcher searcher) throws IOException {
final Weight weight = query.createWeight(searcher);
return new Weight() {
@Override
public String toString() {
return "no-zero:" + weight.toString();
}
@Override
public Query getQuery() {
return weight.getQuery();
}
@Override
public float getValueForNormalization() throws IOException {
return weight.getValueForNormalization();
}
@Override
public void normalize(float queryNorm, float topLevelBoost) {
weight.normalize(queryNorm, topLevelBoost);
}
@Override
public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
return weight.explain(context, doc);
}
@Override
public Scorer scorer(AtomicReaderContext context, Bits acceptDocs) throws IOException {
final Scorer scorer = weight.scorer(context, acceptDocs);
if (scorer == null) return scorer;
return new Scorer(weight) {
float current_score = -1f;
@Override
public int docID() {
return scorer.docID();
}
@Override
public int freq() throws IOException {
return scorer.freq();
}
@Override
public int nextDoc() throws IOException {
while (true) {
int n = scorer.nextDoc();
if (n == DocIdSetIterator.NO_MORE_DOCS) return n;
current_score = scorer.score();
if (current_score != 0) return n;
}
}
@Override
public int advance(int target) throws IOException {
int n = scorer.advance(target);
if (n == DocIdSetIterator.NO_MORE_DOCS) return n;
current_score = scorer.score();
if (current_score != 0) return n;
// if the score is 0, we just return the next non-zero next doc
return nextDoc();
}
@Override
public float score() throws IOException {
return current_score;
}
@Override
public long cost() {
return scorer.cost();
}
@Override
public String toString() {
return "no-zero:" + scorer.toString();
}
};
}
};
}
@Override
public String toString(String field) {
return "no-zero:" + query.toString(field);
}
