| using Lucene.Net.Util; |
| |
| 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> |
| /// Add this <see cref="IAttribute"/> to a <see cref="Index.TermsEnum"/> returned by <see cref="MultiTermQuery.GetTermsEnum(Index.Terms, AttributeSource)"/> |
| /// and update the boost on each returned term. This enables to control the boost factor |
| /// for each matching term in <see cref="MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE"/> or |
| /// <see cref="TopTermsRewrite{Q}"/> mode. |
| /// <see cref="FuzzyQuery"/> is using this to take the edit distance into account. |
| /// <para/><b>Please note:</b> this attribute is intended to be added only by the <see cref="Index.TermsEnum"/> |
| /// to itself in its constructor and consumed by the <see cref="MultiTermQuery.RewriteMethod"/>. |
| /// <para/> |
| /// @lucene.internal |
| /// </summary> |
| public interface IBoostAttribute : IAttribute |
| { |
| /// <summary> |
| /// Gets or Sets the boost in this attribute. Default is <c>1.0f</c>. |
| /// </summary> |
| float Boost { get; set; } |
| } |
| } |