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| <h1 id="Lucene_Net_Search_MultiTermQuery" data-uid="Lucene.Net.Search.MultiTermQuery" class="text-break">Class MultiTermQuery |
| </h1> |
| <div class="markdown level0 summary"><p>An abstract <a class="xref" href="Lucene.Net.Search.Query.html">Query</a> that matches documents |
| containing a subset of terms provided by a |
| <a class="xref" href="Lucene.Net.Index.FilteredTermsEnum.html">FilteredTermsEnum</a> enumeration.</p> |
| <p><p>This query cannot be used directly; you must subclass |
| it and define <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_GetTermsEnum_Lucene_Net_Index_Terms_Lucene_Net_Util_AttributeSource_">GetTermsEnum(Terms, AttributeSource)</a> to provide a |
| <a class="xref" href="Lucene.Net.Index.FilteredTermsEnum.html">FilteredTermsEnum</a> that iterates through the terms to be |
| matched.</p> |
| <p><p><strong>NOTE</strong>: if <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod">MultiTermRewriteMethod</a> is either |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE">CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE</a> or |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_SCORING_BOOLEAN_QUERY_REWRITE">SCORING_BOOLEAN_QUERY_REWRITE</a>, you may encounter a |
| <a class="xref" href="Lucene.Net.Search.BooleanQuery.TooManyClausesException.html">BooleanQuery.TooManyClausesException</a> exception during |
| searching, which happens when the number of terms to be |
| searched exceeds |
| <a class="xref" href="Lucene.Net.Search.BooleanQuery.html#Lucene_Net_Search_BooleanQuery_MaxClauseCount">MaxClauseCount</a>. Setting |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod">MultiTermRewriteMethod</a> to <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_FILTER_REWRITE">CONSTANT_SCORE_FILTER_REWRITE</a> |
| prevents this.</p> |
| <p><p>The recommended rewrite method is |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_AUTO_REWRITE_DEFAULT">CONSTANT_SCORE_AUTO_REWRITE_DEFAULT</a>: it doesn't spend CPU |
| computing unhelpful scores, and it tries to pick the most |
| performant rewrite method given the query. If you |
| need scoring (like <seea cref="T:Lucene.Net.Search.FuzzyQuery"></seea>, use |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.TopTermsScoringBooleanQueryRewrite.html">MultiTermQuery.TopTermsScoringBooleanQueryRewrite</a> which uses |
| a priority queue to only collect competitive terms |
| and not hit this limitation.</p> |
| <p><p>Note that QueryParsers.Classic.QueryParser produces |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html">MultiTermQuery</a>s using |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_AUTO_REWRITE_DEFAULT">CONSTANT_SCORE_AUTO_REWRITE_DEFAULT</a> by default.</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.Query.html">Query</a></div> |
| <div class="level2"><span class="xref">MultiTermQuery</span></div> |
| <div class="level3"><a class="xref" href="Lucene.Net.Search.AutomatonQuery.html">AutomatonQuery</a></div> |
| <div class="level3"><a class="xref" href="Lucene.Net.Search.FuzzyQuery.html">FuzzyQuery</a></div> |
| <div class="level3"><a class="xref" href="Lucene.Net.Search.NumericRangeQuery-1.html">NumericRangeQuery<T></a></div> |
| <div class="level3"><a class="xref" href="Lucene.Net.Search.PrefixQuery.html">PrefixQuery</a></div> |
| <div class="level3"><a class="xref" href="Lucene.Net.Search.TermRangeQuery.html">TermRangeQuery</a></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_Boost">Query.Boost</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_ToString_System_String_">Query.ToString(String)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_ToString">Query.ToString()</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_CreateWeight_Lucene_Net_Search_IndexSearcher_">Query.CreateWeight(IndexSearcher)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_ExtractTerms_System_Collections_Generic_ISet_Lucene_Net_Index_Term__">Query.ExtractTerms(ISet<Term>)</a> |
| </div> |
| <div> |
| <a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_Clone">Query.Clone()</a> |
| </div> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object, System.Object)</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> |
| <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_MultiTermQuery_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public abstract class MultiTermQuery : Query</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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery__ctor_System_String_.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.%23ctor(System.String)%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L270">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery__ctor_" data-uid="Lucene.Net.Search.MultiTermQuery.#ctor*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery__ctor_System_String_" data-uid="Lucene.Net.Search.MultiTermQuery.#ctor(System.String)">MultiTermQuery(String)</h4> |
| <div class="markdown level1 summary"><p>Constructs a query matching terms that cannot be represented with a single |
| <a class="xref" href="Lucene.Net.Index.Term.html">Term</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public MultiTermQuery(string field)</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><span class="xref">System.String</span></td> |
| <td><span class="parametername">field</span></td> |
| <td></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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_AUTO_REWRITE_DEFAULT.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L245">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_AUTO_REWRITE_DEFAULT" data-uid="Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT">CONSTANT_SCORE_AUTO_REWRITE_DEFAULT</h4> |
| <div class="markdown level1 summary"><p>Read-only default instance of |
| <a class="xref" href="Lucene.Net.Search.ConstantScoreAutoRewrite.html">ConstantScoreAutoRewrite</a>, with |
| <a class="xref" href="Lucene.Net.Search.ConstantScoreAutoRewrite.html#Lucene_Net_Search_ConstantScoreAutoRewrite_TermCountCutoff">TermCountCutoff</a> set to |
| <a class="xref" href="Lucene.Net.Search.ConstantScoreAutoRewrite.html#Lucene_Net_Search_ConstantScoreAutoRewrite_DEFAULT_TERM_COUNT_CUTOFF">DEFAULT_TERM_COUNT_CUTOFF</a> |
| and |
| <a class="xref" href="Lucene.Net.Search.ConstantScoreAutoRewrite.html#Lucene_Net_Search_ConstantScoreAutoRewrite_DocCountPercent">DocCountPercent</a> set to |
| <a class="xref" href="Lucene.Net.Search.ConstantScoreAutoRewrite.html#Lucene_Net_Search_ConstantScoreAutoRewrite_DEFAULT_DOC_COUNT_PERCENT">DEFAULT_DOC_COUNT_PERCENT</a>. |
| Note that you cannot alter the configuration of this |
| instance; you'll need to create a private instance |
| instead.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static readonly MultiTermQuery.RewriteMethod CONSTANT_SCORE_AUTO_REWRITE_DEFAULT</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.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L138">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE" data-uid="Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE">CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE</h4> |
| <div class="markdown level1 summary"><p>Like <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_SCORING_BOOLEAN_QUERY_REWRITE">SCORING_BOOLEAN_QUERY_REWRITE</a> except |
| scores are not computed. Instead, each matching |
| document receives a constant score equal to the |
| query's boost.</p> |
| <p><p><strong>NOTE</strong>: this rewrite method will hit |
| <a class="xref" href="Lucene.Net.Search.BooleanQuery.TooManyClausesException.html">BooleanQuery.TooManyClausesException</a> if the number of terms |
| exceeds <a class="xref" href="Lucene.Net.Search.BooleanQuery.html#Lucene_Net_Search_BooleanQuery_MaxClauseCount">MaxClauseCount</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static readonly MultiTermQuery.RewriteMethod CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE</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.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 id="Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE_seealso">See Also</h5> |
| <div class="seealso"> |
| <div><a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod">MultiTermRewriteMethod</a></div> |
| </div> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_FILTER_REWRITE.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L95">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_FILTER_REWRITE" data-uid="Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE">CONSTANT_SCORE_FILTER_REWRITE</h4> |
| <div class="markdown level1 summary"><p>A rewrite method that first creates a private <a class="xref" href="Lucene.Net.Search.Filter.html">Filter</a>, |
| by visiting each term in sequence and marking all docs |
| for that term. Matching documents are assigned a |
| constant score equal to the query's boost.</p> |
| <p><p> This method is faster than the <a class="xref" href="Lucene.Net.Search.BooleanQuery.html">BooleanQuery</a> |
| rewrite methods when the number of matched terms or |
| matched documents is non-trivial. Also, it will never |
| hit an errant <a class="xref" href="Lucene.Net.Search.BooleanQuery.TooManyClausesException.html">BooleanQuery.TooManyClausesException</a> |
| exception.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static readonly MultiTermQuery.RewriteMethod CONSTANT_SCORE_FILTER_REWRITE</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.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 id="Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_FILTER_REWRITE_seealso">See Also</h5> |
| <div class="seealso"> |
| <div><a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod">MultiTermRewriteMethod</a></div> |
| </div> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_m_field.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.m_field%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L64">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_m_field" data-uid="Lucene.Net.Search.MultiTermQuery.m_field">m_field</h4> |
| <div class="markdown level1 summary"></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">protected readonly string m_field</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><span class="xref">System.String</span></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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_m_rewriteMethod.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.m_rewriteMethod%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L65">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_m_rewriteMethod" data-uid="Lucene.Net.Search.MultiTermQuery.m_rewriteMethod">m_rewriteMethod</h4> |
| <div class="markdown level1 summary"></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">protected MultiTermQuery.RewriteMethod m_rewriteMethod</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.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_SCORING_BOOLEAN_QUERY_REWRITE.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L125">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_SCORING_BOOLEAN_QUERY_REWRITE" data-uid="Lucene.Net.Search.MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE">SCORING_BOOLEAN_QUERY_REWRITE</h4> |
| <div class="markdown level1 summary"><p>A rewrite method that first translates each term into |
| <a class="xref" href="Lucene.Net.Search.Occur.html#Lucene_Net_Search_Occur_SHOULD">SHOULD</a> clause in a |
| <a class="xref" href="Lucene.Net.Search.BooleanQuery.html">BooleanQuery</a>, and keeps the scores as computed by the |
| query. Note that typically such scores are |
| meaningless to the user, and require non-trivial CPU |
| to compute, so it's almost always better to use |
| <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_CONSTANT_SCORE_AUTO_REWRITE_DEFAULT">CONSTANT_SCORE_AUTO_REWRITE_DEFAULT</a> instead.</p> |
| <p><p><strong>NOTE</strong>: this rewrite method will hit |
| <a class="xref" href="Lucene.Net.Search.BooleanQuery.TooManyClausesException.html">BooleanQuery.TooManyClausesException</a> if the number of terms |
| exceeds <a class="xref" href="Lucene.Net.Search.BooleanQuery.html#Lucene_Net_Search_BooleanQuery_MaxClauseCount">MaxClauseCount</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static readonly MultiTermQuery.RewriteMethod SCORING_BOOLEAN_QUERY_REWRITE</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.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 id="Lucene_Net_Search_MultiTermQuery_SCORING_BOOLEAN_QUERY_REWRITE_seealso">See Also</h5> |
| <div class="seealso"> |
| <div><a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod">MultiTermRewriteMethod</a></div> |
| </div> |
| <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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_Field.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.Field%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L281">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery_Field_" data-uid="Lucene.Net.Search.MultiTermQuery.Field*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_Field" data-uid="Lucene.Net.Search.MultiTermQuery.Field">Field</h4> |
| <div class="markdown level1 summary"><p>Returns the field name for this query </p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public string Field { 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><span class="xref">System.String</span></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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.MultiTermRewriteMethod%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L326">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod_" data-uid="Lucene.Net.Search.MultiTermQuery.MultiTermRewriteMethod*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_MultiTermRewriteMethod" data-uid="Lucene.Net.Search.MultiTermQuery.MultiTermRewriteMethod">MultiTermRewriteMethod</h4> |
| <div class="markdown level1 summary"><p>Gets or Sets the rewrite method to be used when executing the |
| query. You can use one of the four core methods, or |
| implement your own subclass of <a class="xref" href="Lucene.Net.Search.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public virtual MultiTermQuery.RewriteMethod MultiTermRewriteMethod { get; set; }</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.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_Equals_System_Object_.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.Equals(System.Object)%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L345">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery_Equals_" data-uid="Lucene.Net.Search.MultiTermQuery.Equals*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_Equals_System_Object_" data-uid="Lucene.Net.Search.MultiTermQuery.Equals(System.Object)">Equals(Object)</h4> |
| <div class="markdown level1 summary"></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public override bool Equals(object obj)</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><span class="xref">System.Object</span></td> |
| <td><span class="parametername">obj</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <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.Boolean</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="overrides">Overrides</h5> |
| <div><a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_Equals_System_Object_">Query.Equals(Object)</a></div> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_GetHashCode.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.GetHashCode%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L332">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery_GetHashCode_" data-uid="Lucene.Net.Search.MultiTermQuery.GetHashCode*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_GetHashCode" data-uid="Lucene.Net.Search.MultiTermQuery.GetHashCode">GetHashCode()</h4> |
| <div class="markdown level1 summary"></div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public override int GetHashCode()</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.Int32</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="overrides">Overrides</h5> |
| <div><a class="xref" href="Lucene.Net.Search.Query.html#Lucene_Net_Search_Query_GetHashCode">Query.GetHashCode()</a></div> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_GetTermsEnum_Lucene_Net_Index_Terms_.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.GetTermsEnum(Lucene.Net.Index.Terms)%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L302">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery_GetTermsEnum_" data-uid="Lucene.Net.Search.MultiTermQuery.GetTermsEnum*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_GetTermsEnum_Lucene_Net_Index_Terms_" data-uid="Lucene.Net.Search.MultiTermQuery.GetTermsEnum(Lucene.Net.Index.Terms)">GetTermsEnum(Terms)</h4> |
| <div class="markdown level1 summary"><p>Convenience method, if no attributes are needed: |
| this simply passes empty attributes and is equal to:</p> |
| <pre><code>GetTermsEnum(terms, new AttributeSource())</code></pre> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public TermsEnum GetTermsEnum(Terms terms)</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.Index.Terms.html">Terms</a></td> |
| <td><span class="parametername">terms</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <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><a class="xref" href="Lucene.Net.Index.TermsEnum.html">TermsEnum</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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_GetTermsEnum_Lucene_Net_Index_Terms_Lucene_Net_Util_AttributeSource_.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.GetTermsEnum(Lucene.Net.Index.Terms%2CLucene.Net.Util.AttributeSource)%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L295">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery_GetTermsEnum_" data-uid="Lucene.Net.Search.MultiTermQuery.GetTermsEnum*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_GetTermsEnum_Lucene_Net_Index_Terms_Lucene_Net_Util_AttributeSource_" data-uid="Lucene.Net.Search.MultiTermQuery.GetTermsEnum(Lucene.Net.Index.Terms,Lucene.Net.Util.AttributeSource)">GetTermsEnum(Terms, AttributeSource)</h4> |
| <div class="markdown level1 summary"><p>Construct the enumeration to be used, expanding the |
| pattern term. this method should only be called if |
| the field exists (ie, implementations can assume the |
| field does exist). this method should not return null |
| (should instead return <a class="xref" href="Lucene.Net.Index.TermsEnum.html#Lucene_Net_Index_TermsEnum_EMPTY">EMPTY</a> if no |
| terms match). The <a class="xref" href="Lucene.Net.Index.TermsEnum.html">TermsEnum</a> must already be |
| positioned to the first matching term. |
| The given <a class="xref" href="Lucene.Net.Util.AttributeSource.html">AttributeSource</a> is passed by the <a class="xref" href="Lucene.Net.Search.MultiTermQuery.RewriteMethod.html">MultiTermQuery.RewriteMethod</a> to |
| provide attributes, the rewrite method uses to inform about e.g. maximum competitive boosts. |
| this is currently only used by <a class="xref" href="Lucene.Net.Search.TopTermsRewrite-1.html">TopTermsRewrite<Q></a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">protected abstract TermsEnum GetTermsEnum(Terms terms, AttributeSource atts)</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.Index.Terms.html">Terms</a></td> |
| <td><span class="parametername">terms</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Util.AttributeSource.html">AttributeSource</a></td> |
| <td><span class="parametername">atts</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <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><a class="xref" href="Lucene.Net.Index.TermsEnum.html">TermsEnum</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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_MultiTermQuery_Rewrite_Lucene_Net_Index_IndexReader_.md&value=---%0Auid%3A%20Lucene.Net.Search.MultiTermQuery.Rewrite(Lucene.Net.Index.IndexReader)%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_beta00010/src/Lucene.Net/Search/MultiTermQuery.cs/#L312">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_MultiTermQuery_Rewrite_" data-uid="Lucene.Net.Search.MultiTermQuery.Rewrite*"></a> |
| <h4 id="Lucene_Net_Search_MultiTermQuery_Rewrite_Lucene_Net_Index_IndexReader_" data-uid="Lucene.Net.Search.MultiTermQuery.Rewrite(Lucene.Net.Index.IndexReader)">Rewrite(IndexReader)</h4> |
| <div class="markdown level1 summary"><p>To rewrite to a simpler form, instead return a simpler |
| enum from <a class="xref" href="Lucene.Net.Search.MultiTermQuery.html#Lucene_Net_Search_MultiTermQuery_GetTermsEnum_Lucene_Net_Index_Terms_Lucene_Net_Util_AttributeSource_">GetTermsEnum(Terms, AttributeSource)</a>. For example, |
| to rewrite to a single term, return a <a class="xref" href="Lucene.Net.Index.SingleTermsEnum.html">SingleTermsEnum</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public override sealed Query Rewrite(IndexReader reader)</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.Index.IndexReader.html">IndexReader</a></td> |
| <td><span class="parametername">reader</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
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