if (slop == 0) {
inorder = true;
}
SpanNearQuery sp = new SpanNearQuery(clauses, slop, inorder);
sp.setBoost(query.getBoost());
extractWeightedSpanTerms(terms, sp);
} else if (query instanceof TermQuery) {
extractWeightedTerms(terms, query);
} else if (query instanceof SpanQuery) {
extractWeightedSpanTerms(terms, (SpanQuery) query);
} else if (query instanceof FilteredQuery) {
extract(((FilteredQuery) query).getQuery(), terms);
} else if (query instanceof DisjunctionMaxQuery) {
for (Iterator<Query> iterator = ((DisjunctionMaxQuery) query).iterator(); iterator.hasNext();) {
extract(iterator.next(), terms);
}
} else if (query instanceof MultiTermQuery && expandMultiTermQuery) {
MultiTermQuery mtq = ((MultiTermQuery)query);
if(mtq.getRewriteMethod() != MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE) {
mtq = (MultiTermQuery) mtq.clone();
mtq.setRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
query = mtq;
}
FakeReader fReader = new FakeReader();
MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE.rewrite(fReader, mtq);
if (fReader.field != null) {
IndexReader ir = getReaderForField(fReader.field);
extract(query.rewrite(ir), terms);
}
} else if (query instanceof MultiPhraseQuery) {
final MultiPhraseQuery mpq = (MultiPhraseQuery) query;
final List<Term[]> termArrays = mpq.getTermArrays();
final int[] positions = mpq.getPositions();
if (positions.length > 0) {
int maxPosition = positions[positions.length - 1];
for (int i = 0; i < positions.length - 1; ++i) {
if (positions[i] > maxPosition) {
maxPosition = positions[i];
}
}
@SuppressWarnings("unchecked")
final List<SpanQuery>[] disjunctLists = new List[maxPosition + 1];
int distinctPositions = 0;
for (int i = 0; i < termArrays.size(); ++i) {
final Term[] termArray = termArrays.get(i);
List<SpanQuery> disjuncts = disjunctLists[positions[i]];
if (disjuncts == null) {
disjuncts = (disjunctLists[positions[i]] = new ArrayList<SpanQuery>(termArray.length));
++distinctPositions;
}
for (int j = 0; j < termArray.length; ++j) {
disjuncts.add(new SpanTermQuery(termArray[j]));
}
}
int positionGaps = 0;
int position = 0;
final SpanQuery[] clauses = new SpanQuery[distinctPositions];
for (int i = 0; i < disjunctLists.length; ++i) {
List<SpanQuery> disjuncts = disjunctLists[i];
if (disjuncts != null) {
clauses[position++] = new SpanOrQuery(disjuncts
.toArray(new SpanQuery[disjuncts.size()]));
} else {
++positionGaps;
}
}
final int slop = mpq.getSlop();
final boolean inorder = (slop == 0);
SpanNearQuery sp = new SpanNearQuery(clauses, slop + positionGaps, inorder);
sp.setBoost(query.getBoost());
extractWeightedSpanTerms(terms, sp);
}
}
}