| using Lucene.Net.Search; |
| using System.Collections.Generic; |
| |
| namespace Lucene.Net.QueryParsers.Surround.Query |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Factory for disjunctions |
| /// </summary> |
| public class OrQuery : ComposedQuery, IDistanceSubQuery |
| { |
| public OrQuery(IList<SrndQuery> queries, bool infix, string opName) |
| : base(queries, infix, opName) |
| { |
| } |
| |
| public override Search.Query MakeLuceneQueryFieldNoBoost(string fieldName, BasicQueryFactory qf) |
| { |
| return SrndBooleanQuery.MakeBooleanQuery( |
| /* subqueries can be individually boosted */ |
| MakeLuceneSubQueriesField(fieldName, qf), Occur.SHOULD); |
| } |
| |
| public virtual string DistanceSubQueryNotAllowed() |
| { |
| var sqi = GetSubQueriesEnumerator(); |
| while (sqi.MoveNext()) |
| { |
| SrndQuery leq = sqi.Current; |
| if (leq is IDistanceSubQuery distanceSubQuery) |
| { |
| string m = distanceSubQuery.DistanceSubQueryNotAllowed(); |
| if (m != null) |
| { |
| return m; |
| } |
| } |
| else |
| { |
| return "subquery not allowed: " + leq.ToString(); |
| } |
| } |
| return null; |
| } |
| |
| public virtual void AddSpanQueries(SpanNearClauseFactory sncf) |
| { |
| var sqi = GetSubQueriesEnumerator(); |
| while (sqi.MoveNext()) |
| { |
| ((IDistanceSubQuery)sqi.Current).AddSpanQueries(sncf); |
| } |
| } |
| } |
| } |