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MaxNonCompetitiveBoostAttribute.cs
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MaxNonCompetitiveBoostAttribute.cs
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using Lucene.Net.Util;
using BytesRef = Lucene.Net.Util.BytesRef;
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 fresh <see cref="AttributeSource"/> before calling
/// <see cref="MultiTermQuery.GetTermsEnum(Index.Terms, AttributeSource)"/>.
/// <see cref="FuzzyQuery"/> is using this to control its internal behaviour
/// to only return competitive terms.
/// <para/><b>Please note:</b> this attribute is intended to be added by the <see cref="MultiTermQuery.RewriteMethod"/>
/// to an empty <see cref="AttributeSource"/> that is shared for all segments
/// during query rewrite. This attribute source is passed to all segment enums
/// on <see cref="MultiTermQuery.GetTermsEnum(Index.Terms,AttributeSource)"/>.
/// <see cref="TopTermsRewrite{Q}"/> uses this attribute to
/// inform all enums about the current boost, that is not competitive.
/// <para/>
/// @lucene.internal
/// </summary>
public interface IMaxNonCompetitiveBoostAttribute : IAttribute
{
/// <summary>
/// This is the maximum boost that would not be competitive. </summary>
float MaxNonCompetitiveBoost { set; get; }
/// <summary>
/// This is the term or <c>null</c> of the term that triggered the boost change. </summary>
BytesRef CompetitiveTerm { set; get; }
}
}