| using System; |
| |
| 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> |
| /// Expert: Describes the score computation for document and query, and |
| /// can distinguish a match independent of a positive value. |
| /// </summary> |
| public class ComplexExplanation : Explanation |
| { |
| private bool? match; |
| |
| public ComplexExplanation() |
| : base() |
| { |
| } |
| |
| public ComplexExplanation(bool match, float value, string description) |
| : base(value, description) |
| { |
| // NOTE: use of "boolean" instead of "Boolean" in params is conscious |
| // choice to encourage clients to be specific. |
| this.match = Convert.ToBoolean(match); |
| } |
| |
| /// <summary> |
| /// Gets or Sets the match status assigned to this explanation node. |
| /// May be <c>null</c> if match status is unknown. |
| /// </summary> |
| public virtual bool? Match |
| { |
| get => match; |
| set => this.match = value; |
| } |
| |
| /// <summary> |
| /// Indicates whether or not this <see cref="Explanation"/> models a good match. |
| /// |
| /// <para> |
| /// If the match status is explicitly set (i.e.: not null) this method |
| /// uses it; otherwise it defers to the superclass. |
| /// </para> </summary> |
| /// <seealso cref="Match"/> |
| public override bool IsMatch |
| { |
| get |
| { |
| bool? m = Match; |
| return (null != m ? (bool)m : base.IsMatch); |
| } |
| } |
| |
| protected override string GetSummary() |
| { |
| if (null == Match) |
| { |
| return base.GetSummary(); |
| } |
| |
| return Value + " = " + (IsMatch ? "(MATCH) " : "(NON-MATCH) ") + Description; |
| } |
| } |
| } |