| using Lucene.Net.Index; |
| using System; |
| using System.Collections.Generic; |
| |
| namespace Lucene.Net.Search |
| { |
| /* |
| * 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> |
| /// Assertion-enabled query. </summary> |
| public class AssertingQuery : Query |
| { |
| private readonly Random random; |
| private readonly Query @in; |
| |
| /// <summary> |
| /// Sole constructor. |
| /// </summary> |
| public AssertingQuery(Random random, Query @in) |
| { |
| this.random = random; |
| this.@in = @in; |
| } |
| |
| /// <summary> |
| /// Wrap a query if necessary. </summary> |
| public static Query Wrap(Random random, Query query) |
| { |
| var aq = query as AssertingQuery; |
| return aq ?? new AssertingQuery(random, query); |
| } |
| |
| public override Weight CreateWeight(IndexSearcher searcher) |
| { |
| return AssertingWeight.Wrap(new Random(random.Next()), @in.CreateWeight(searcher)); |
| } |
| |
| public override void ExtractTerms(ISet<Term> terms) |
| { |
| @in.ExtractTerms(terms); |
| } |
| |
| public override string ToString(string field) |
| { |
| return @in.ToString(field); |
| } |
| |
| public override bool Equals(object obj) |
| { |
| var that = obj as AssertingQuery; |
| if (that == null) |
| { |
| return false; |
| } |
| return this.@in.Equals(that.@in); |
| } |
| |
| public override int GetHashCode() |
| { |
| return -@in.GetHashCode(); |
| } |
| |
| public override object Clone() |
| { |
| return Wrap(new Random(random.Next()), (Query)@in.Clone()); |
| } |
| |
| public override Query Rewrite(IndexReader reader) |
| { |
| Query rewritten = @in.Rewrite(reader); |
| if (rewritten == @in) |
| { |
| return this; |
| } |
| else |
| { |
| return Wrap(new Random(random.Next()), rewritten); |
| } |
| } |
| |
| public override float Boost |
| { |
| get => @in.Boost; |
| set |
| { |
| if (@in != null) |
| @in.Boost = value; |
| } |
| } |
| } |
| } |