01: package org.apache.lucene.queryParser.surround.query;
02:
03: /**
04: * Licensed to the Apache Software Foundation (ASF) under one or more
05: * contributor license agreements. See the NOTICE file distributed with
06: * this work for additional information regarding copyright ownership.
07: * The ASF licenses this file to You under the Apache License, Version 2.0
08: * (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: *
11: * http://www.apache.org/licenses/LICENSE-2.0
12: *
13: * Unless required by applicable law or agreed to in writing, software
14: * distributed under the License is distributed on an "AS IS" BASIS,
15: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16: * See the License for the specific language governing permissions and
17: * limitations under the License.
18: */
19:
20: import java.util.List;
21: import org.apache.lucene.search.Query;
22: import org.apache.lucene.search.BooleanQuery;
23: import org.apache.lucene.search.BooleanClause;
24:
25: public class NotQuery extends ComposedQuery {
26: public NotQuery(List queries, String opName) {
27: super (queries, true /* infix */, opName);
28: }
29:
30: public Query makeLuceneQueryFieldNoBoost(String fieldName,
31: BasicQueryFactory qf) {
32: List luceneSubQueries = makeLuceneSubQueriesField(fieldName, qf);
33: BooleanQuery bq = new BooleanQuery();
34: bq.add((Query) luceneSubQueries.get(0),
35: BooleanClause.Occur.MUST);
36: SrndBooleanQuery.addQueriesToBoolean(bq,
37: // FIXME: do not allow weights on prohibited subqueries.
38: luceneSubQueries.subList(1, luceneSubQueries.size()),
39: // later subqueries: not required, prohibited
40: BooleanClause.Occur.MUST_NOT);
41: return bq;
42: }
43: }
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