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:
22: import org.apache.lucene.search.Query;
23: import org.apache.lucene.search.BooleanQuery;
24: import org.apache.lucene.search.BooleanClause;
25:
26: class SrndBooleanQuery {
27: public static void addQueriesToBoolean(BooleanQuery bq,
28: List queries, BooleanClause.Occur occur) {
29: for (int i = 0; i < queries.size(); i++) {
30: bq.add((Query) queries.get(i), occur);
31: }
32: }
33:
34: public static Query makeBooleanQuery(List queries,
35: BooleanClause.Occur occur) {
36: if (queries.size() <= 1) {
37: throw new AssertionError("Too few subqueries: "
38: + queries.size());
39: }
40: BooleanQuery bq = new BooleanQuery();
41: addQueriesToBoolean(bq, queries.subList(0, queries.size()),
42: occur);
43: return bq;
44: }
45: }
|