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 java.util.Iterator;
22: import org.apache.lucene.search.Query;
23: import org.apache.lucene.search.BooleanClause;
24:
25: import java.io.IOException;
26:
27: public class OrQuery extends ComposedQuery implements DistanceSubQuery {
28: public OrQuery(List queries, boolean infix, String opName) {
29: super (queries, infix, opName);
30: }
31:
32: public Query makeLuceneQueryFieldNoBoost(String fieldName,
33: BasicQueryFactory qf) {
34: return SrndBooleanQuery.makeBooleanQuery(
35: /* subqueries can be individually boosted */
36: makeLuceneSubQueriesField(fieldName, qf),
37: BooleanClause.Occur.SHOULD);
38: }
39:
40: public String distanceSubQueryNotAllowed() {
41: Iterator sqi = getSubQueriesIterator();
42: while (sqi.hasNext()) {
43: SrndQuery leq = (SrndQuery) sqi.next();
44: if (leq instanceof DistanceSubQuery) {
45: String m = ((DistanceSubQuery) leq)
46: .distanceSubQueryNotAllowed();
47: if (m != null) {
48: return m;
49: }
50: } else {
51: return "subquery not allowed: " + leq.toString();
52: }
53: }
54: return null;
55: }
56:
57: public void addSpanQueries(SpanNearClauseFactory sncf)
58: throws IOException {
59: Iterator sqi = getSubQueriesIterator();
60: while (sqi.hasNext()) {
61: ((DistanceSubQuery) sqi.next()).addSpanQueries(sncf);
62: }
63: }
64: }
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