org.apache.lucene.queryparser.surround.query.OrQuery Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.lucene.queryparser.surround.query;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.Query;
/** Factory for disjunctions */
public class OrQuery extends ComposedQuery implements DistanceSubQuery {
public OrQuery(List queries, boolean infix, String opName) {
super(queries, infix, opName);
}
@Override
public Query makeLuceneQueryFieldNoBoost(String fieldName, BasicQueryFactory qf) {
return SrndBooleanQuery.makeBooleanQuery(
/* subqueries can be individually boosted */
makeLuceneSubQueriesField(fieldName, qf), BooleanClause.Occur.SHOULD);
}
@Override
public String distanceSubQueryNotAllowed() {
Iterator sqi = getSubQueriesIterator();
while (sqi.hasNext()) {
SrndQuery leq = sqi.next();
if (leq instanceof DistanceSubQuery) {
String m = ((DistanceSubQuery) leq).distanceSubQueryNotAllowed();
if (m != null) {
return m;
}
} else {
return "subquery not allowed: " + leq.toString();
}
}
return null;
}
@Override
public void addSpanQueries(SpanNearClauseFactory sncf) throws IOException {
Iterator sqi = getSubQueriesIterator();
while (sqi.hasNext()) {
SrndQuery s = sqi.next();
((DistanceSubQuery) s).addSpanQueries(sncf);
}
}
}