@Override
public Spans getSpans(final LeafReaderContext context, Postings requiredPostings)
throws IOException {
Spans matchSpans = matchWeight.getSpans(context, requiredPostings);
return (matchSpans == null)
? null
: new FilterSpans(matchSpans) {
@Override
protected AcceptStatus accept(Spans candidate) throws IOException {
return acceptPosition(candidate);
}
};
}
@Override
public void extractTermContexts(Map<Term, TermContext> contexts) {
matchWeight.extractTermContexts(contexts);
}
@Override
public void extractTerms(Set<Term> terms) {
matchWeight.extractTerms(terms);
}