| <!DOCTYPE html> |
| <!--[if IE]><![endif]--> |
| <html> |
| |
| <head> |
| <meta charset="utf-8"> |
| <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> |
| <title>Class Scorer |
| | Apache Lucene.NET 4.8.0-beta00011 Documentation </title> |
| <meta name="viewport" content="width=device-width"> |
| <meta name="title" content="Class Scorer |
| | Apache Lucene.NET 4.8.0-beta00011 Documentation "> |
| <meta name="generator" content="docfx 2.56.0.0"> |
| |
| <link rel="shortcut icon" href="https://lucenenet.apache.org/docs/4.8.0-beta00009/logo/favicon.ico"> |
| <link rel="stylesheet" href="https://lucenenet.apache.org/docs/4.8.0-beta00009/styles/docfx.vendor.css"> |
| <link rel="stylesheet" href="https://lucenenet.apache.org/docs/4.8.0-beta00009/styles/docfx.css"> |
| <link rel="stylesheet" href="https://lucenenet.apache.org/docs/4.8.0-beta00009/styles/main.css"> |
| <meta property="docfx:navrel" content="toc.html"> |
| <meta property="docfx:tocrel" content="core/toc.html"> |
| |
| <meta property="docfx:rel" content="https://lucenenet.apache.org/docs/4.8.0-beta00009/"> |
| |
| </head> |
| <body data-spy="scroll" data-target="#affix" data-offset="120"> |
| <div id="wrapper"> |
| <header> |
| |
| <nav id="autocollapse" class="navbar ng-scope" role="navigation"> |
| <div class="container"> |
| <div class="navbar-header"> |
| <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar"> |
| <span class="sr-only">Toggle navigation</span> |
| <span class="icon-bar"></span> |
| <span class="icon-bar"></span> |
| <span class="icon-bar"></span> |
| </button> |
| |
| <a class="navbar-brand" href="/"> |
| <img id="logo" class="svg" src="https://lucenenet.apache.org/docs/4.8.0-beta00009/logo/lucene-net-color.png" alt=""> |
| </a> |
| </div> |
| <div class="collapse navbar-collapse" id="navbar"> |
| <form class="navbar-form navbar-right" role="search" id="search"> |
| <div class="form-group"> |
| <input type="text" class="form-control" id="search-query" placeholder="Search" autocomplete="off"> |
| </div> |
| </form> |
| </div> |
| </div> |
| </nav> |
| |
| <div class="subnav navbar navbar-default"> |
| <div class="container hide-when-search"> |
| <ul class="level0 breadcrumb"> |
| <li> |
| <a href="https://lucenenet.apache.org/docs/4.8.0-beta00009/">API</a> |
| <span id="breadcrumb"> |
| <ul class="breadcrumb"> |
| <li></li> |
| </ul> |
| </span> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </header> |
| <div class="container body-content"> |
| |
| <div id="search-results"> |
| <div class="search-list"></div> |
| <div class="sr-items"> |
| <p><i class="glyphicon glyphicon-refresh index-loading"></i></p> |
| </div> |
| <ul id="pagination"></ul> |
| </div> |
| </div> |
| <div role="main" class="container body-content hide-when-search"> |
| |
| <div class="sidenav hide-when-search"> |
| <a class="btn toc-toggle collapse" data-toggle="collapse" href="#sidetoggle" aria-expanded="false" aria-controls="sidetoggle">Show / Hide Table of Contents</a> |
| <div class="sidetoggle collapse" id="sidetoggle"> |
| <div id="sidetoc"></div> |
| </div> |
| </div> |
| <div class="article row grid-right"> |
| <div class="col-md-10"> |
| <article class="content wrap" id="_content" data-uid="Lucene.Net.Search.Scorer"> |
| |
| |
| <h1 id="Lucene_Net_Search_Scorer" data-uid="Lucene.Net.Search.Scorer" class="text-break">Class Scorer |
| </h1> |
| <div class="markdown level0 summary"><p>Expert: Common scoring functionality for different types of queries.</p> |
| <p> |
| A <a class="xref" href="Lucene.Net.Search.Scorer.html">Scorer</a> iterates over documents matching a |
| query in increasing order of doc Id. |
| </p> |
| <p> |
| Document scores are computed using a given <a class="xref" href="Lucene.Net.Search.Similarities.Similarity.html">Similarity</a> |
| implementation. |
| </p> |
| |
| <p><strong>NOTE</strong>: The values <span class="xref">System.Single.NaN</span>, |
| <span class="xref">System.Single.NegativeInfinity</span> and <span class="xref">System.Single.PositiveInfinity</span> are |
| not valid scores. Certain collectors (eg |
| <a class="xref" href="Lucene.Net.Search.TopScoreDocCollector.html">TopScoreDocCollector</a>) will not properly collect hits |
| with these scores. |
| </p> |
| </div> |
| <div class="markdown level0 conceptual"></div> |
| <div class="inheritance"> |
| <h5>Inheritance</h5> |
| <div class="level0"><span class="xref">System.Object</span></div> |
| <div class="level1"><a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html">DocIdSetIterator</a></div> |
| <div class="level2"><a class="xref" href="Lucene.Net.Index.DocsEnum.html">DocsEnum</a></div> |
| <div class="level3"><span class="xref">Scorer</span></div> |
| <div class="level4"><a class="xref" href="Lucene.Net.Search.ConstantScoreQuery.ConstantScorer.html">ConstantScoreQuery.ConstantScorer</a></div> |
| <div class="level4"><a class="xref" href="Lucene.Net.Search.ScoreCachingWrappingScorer.html">ScoreCachingWrappingScorer</a></div> |
| <div class="level4"><a class="xref" href="Lucene.Net.Search.Spans.SpanScorer.html">SpanScorer</a></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.DocsEnum.html#Lucene_Net_Index_DocsEnum_Freq">DocsEnum.Freq</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Index.DocsEnum.html#Lucene_Net_Index_DocsEnum_Attributes">DocsEnum.Attributes</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_GetEmpty">DocIdSetIterator.GetEmpty()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_NO_MORE_DOCS">DocIdSetIterator.NO_MORE_DOCS</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_DocID">DocIdSetIterator.DocID</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_NextDoc">DocIdSetIterator.NextDoc()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_Advance_System_Int32_">DocIdSetIterator.Advance(Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_SlowAdvance_System_Int32_">DocIdSetIterator.SlowAdvance(Int32)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_GetCost">DocIdSetIterator.GetCost()</a> |
| </div> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object)</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object, System.Object)</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.GetHashCode()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.GetType()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.MemberwiseClone()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.ToString()</span> |
| </div> |
| </div> |
| <h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.Search.html">Lucene.Net.Search</a></h6> |
| <h6><strong>Assembly</strong>: Lucene.Net.dll</h6> |
| <h5 id="Lucene_Net_Search_Scorer_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public abstract class Scorer : DocsEnum</code></pre> |
| </div> |
| <h3 id="constructors">Constructors |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00011/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_Scorer__ctor_Lucene_Net_Search_Weight_.md&value=---%0Auid%3A%20Lucene.Net.Search.Scorer.%23ctor(Lucene.Net.Search.Weight)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00011/src/Lucene.Net/Search/Scorer.cs/#L54">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_Scorer__ctor_" data-uid="Lucene.Net.Search.Scorer.#ctor*"></a> |
| <h4 id="Lucene_Net_Search_Scorer__ctor_Lucene_Net_Search_Weight_" data-uid="Lucene.Net.Search.Scorer.#ctor(Lucene.Net.Search.Weight)">Scorer(Weight)</h4> |
| <div class="markdown level1 summary"><p>Constructs a <a class="xref" href="Lucene.Net.Search.Scorer.html">Scorer</a> </p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">protected Scorer(Weight weight)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Search.Weight.html">Weight</a></td> |
| <td><span class="parametername">weight</span></td> |
| <td><p>The scorers <a class="xref" href="Lucene.Net.Search.Scorer.html#Lucene_Net_Search_Scorer_Weight">Weight</a>. </p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="fields">Fields |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00011/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_Scorer_m_weight.md&value=---%0Auid%3A%20Lucene.Net.Search.Scorer.m_weight%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00011/src/Lucene.Net/Search/Scorer.cs/#L49">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Search_Scorer_m_weight" data-uid="Lucene.Net.Search.Scorer.m_weight">m_weight</h4> |
| <div class="markdown level1 summary"><p>The <a class="xref" href="Lucene.Net.Search.Scorer.html">Scorer</a>'s parent <a class="xref" href="Lucene.Net.Search.Scorer.html#Lucene_Net_Search_Scorer_Weight">Weight</a>. In some cases this may be <code>null</code>. </p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">protected readonly Weight m_weight</code></pre> |
| </div> |
| <h5 class="fieldValue">Field Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Search.Weight.html">Weight</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="properties">Properties |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00011/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_Scorer_Weight.md&value=---%0Auid%3A%20Lucene.Net.Search.Scorer.Weight%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00011/src/Lucene.Net/Search/Scorer.cs/#L72">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_Scorer_Weight_" data-uid="Lucene.Net.Search.Scorer.Weight*"></a> |
| <h4 id="Lucene_Net_Search_Scorer_Weight" data-uid="Lucene.Net.Search.Scorer.Weight">Weight</h4> |
| <div class="markdown level1 summary"><p>returns parent <a class="xref" href="Lucene.Net.Search.Scorer.html#Lucene_Net_Search_Scorer_Weight">Weight</a> |
| <p> |
| <div class="lucene-block lucene-experimental">This is a Lucene.NET EXPERIMENTAL API, use at your own risk</div></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public virtual Weight Weight { get; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Search.Weight.html">Weight</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="methods">Methods |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00011/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_Scorer_GetChildren.md&value=---%0Auid%3A%20Lucene.Net.Search.Scorer.GetChildren%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00011/src/Lucene.Net/Search/Scorer.cs/#L79">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_Scorer_GetChildren_" data-uid="Lucene.Net.Search.Scorer.GetChildren*"></a> |
| <h4 id="Lucene_Net_Search_Scorer_GetChildren" data-uid="Lucene.Net.Search.Scorer.GetChildren">GetChildren()</h4> |
| <div class="markdown level1 summary"><p>Returns child sub-scorers |
| <p> |
| <div class="lucene-block lucene-experimental">This is a Lucene.NET EXPERIMENTAL API, use at your own risk</div></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public virtual ICollection<Scorer.ChildScorer> GetChildren()</code></pre> |
| </div> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Collections.Generic.ICollection</span><<a class="xref" href="Lucene.Net.Search.Scorer.ChildScorer.html">Scorer.ChildScorer</a>></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00011/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_Scorer_GetScore.md&value=---%0Auid%3A%20Lucene.Net.Search.Scorer.GetScore%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00011/src/Lucene.Net/Search/Scorer.cs/#L65">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_Scorer_GetScore_" data-uid="Lucene.Net.Search.Scorer.GetScore*"></a> |
| <h4 id="Lucene_Net_Search_Scorer_GetScore" data-uid="Lucene.Net.Search.Scorer.GetScore">GetScore()</h4> |
| <div class="markdown level1 summary"><p>Returns the score of the current document matching the query. |
| Initially invalid, until <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_NextDoc">NextDoc()</a> or <a class="xref" href="Lucene.Net.Search.DocIdSetIterator.html#Lucene_Net_Search_DocIdSetIterator_Advance_System_Int32_">Advance(Int32)</a> |
| is called the first time, or when called from within |
| <a class="xref" href="Lucene.Net.Search.ICollector.html#Lucene_Net_Search_ICollector_Collect_System_Int32_">Collect(Int32)</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public abstract float GetScore()</code></pre> |
| </div> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Single</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| </article> |
| </div> |
| |
| <div class="hidden-sm col-md-2" role="complementary"> |
| <div class="sideaffix"> |
| <div class="contribution"> |
| <ul class="nav"> |
| <li> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00011/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_Scorer.md&value=---%0Auid%3A%20Lucene.Net.Search.Scorer%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A" class="contribution-link">Improve this Doc</a> |
| </li> |
| <li> |
| <a href="https://github.com/apache/lucenenet/blob/release/Lucene.Net_4_8_0_beta00011/src/Lucene.Net/Search/Scorer.cs/#L44" class="contribution-link">View Source</a> |
| </li> |
| </ul> |
| </div> |
| <nav class="bs-docs-sidebar hidden-print hidden-xs hidden-sm affix" id="affix"> |
| <!-- <p><a class="back-to-top" href="#top">Back to top</a><p> --> |
| </nav> |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <footer> |
| <div class="grad-bottom"></div> |
| <div class="footer"> |
| <div class="container"> |
| <span class="pull-right"> |
| <a href="#top">Back to top</a> |
| </span> |
| Copyright © 2020 Licensed to the Apache Software Foundation (ASF) |
| |
| </div> |
| </div> |
| </footer> |
| </div> |
| |
| <script type="text/javascript" src="https://lucenenet.apache.org/docs/4.8.0-beta00009/styles/docfx.vendor.js"></script> |
| <script type="text/javascript" src="https://lucenenet.apache.org/docs/4.8.0-beta00009/styles/docfx.js"></script> |
| <script type="text/javascript" src="https://lucenenet.apache.org/docs/4.8.0-beta00009/styles/main.js"></script> |
| </body> |
| </html> |