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| Apache Lucene.NET 4.8.0-beta00013 Documentation </title>
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<h1 id="Lucene_Net_Index_TermContext" data-uid="Lucene.Net.Index.TermContext" class="text-break">Class TermContext
</h1>
<div class="markdown level0 summary"><p>Maintains a <a class="xref" href="Lucene.Net.Index.IndexReader.html">IndexReader</a> <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> view over
<a class="xref" href="Lucene.Net.Index.IndexReader.html">IndexReader</a> instances containing a single term. The
<a class="xref" href="Lucene.Net.Index.TermContext.html">TermContext</a> doesn&apos;t track if the given <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a>
objects are valid, neither if the <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> instances refer to the
same terms in the associated readers.
<p>
<div class="lucene-block lucene-experimental">This is a Lucene.NET EXPERIMENTAL API, use at your own risk</div></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"><span class="xref">TermContext</span></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<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>
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<span class="xref">System.Object.GetType()</span>
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<span class="xref">System.Object.MemberwiseClone()</span>
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<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.Index.html">Lucene.Net.Index</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.dll</h6>
<h5 id="Lucene_Net_Index_TermContext_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">[Serializable]
public sealed class TermContext</code></pre>
</div>
<h3 id="constructors">Constructors
</h3>
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<a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TermContext__ctor_Lucene_Net_Index_IndexReaderContext_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TermContext.%23ctor(Lucene.Net.Index.IndexReaderContext)%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>
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<a id="Lucene_Net_Index_TermContext__ctor_" data-uid="Lucene.Net.Index.TermContext.#ctor*"></a>
<h4 id="Lucene_Net_Index_TermContext__ctor_Lucene_Net_Index_IndexReaderContext_" data-uid="Lucene.Net.Index.TermContext.#ctor(Lucene.Net.Index.IndexReaderContext)">TermContext(IndexReaderContext)</h4>
<div class="markdown level1 summary"><p>Creates an empty <a class="xref" href="Lucene.Net.Index.TermContext.html">TermContext</a> from a <a class="xref" href="Lucene.Net.Index.IndexReaderContext.html">IndexReaderContext</a></p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public TermContext(IndexReaderContext context)</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.IndexReaderContext.html">IndexReaderContext</a></td>
<td><span class="parametername">context</span></td>
<td></td>
</tr>
</tbody>
</table>
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<span class="divider">|</span>
<a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TermContext__ctor_Lucene_Net_Index_IndexReaderContext_Lucene_Net_Index_TermState_System_Int32_System_Int32_System_Int64_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TermContext.%23ctor(Lucene.Net.Index.IndexReaderContext%2CLucene.Net.Index.TermState%2CSystem.Int32%2CSystem.Int32%2CSystem.Int64)%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>
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<a id="Lucene_Net_Index_TermContext__ctor_" data-uid="Lucene.Net.Index.TermContext.#ctor*"></a>
<h4 id="Lucene_Net_Index_TermContext__ctor_Lucene_Net_Index_IndexReaderContext_Lucene_Net_Index_TermState_System_Int32_System_Int32_System_Int64_" data-uid="Lucene.Net.Index.TermContext.#ctor(Lucene.Net.Index.IndexReaderContext,Lucene.Net.Index.TermState,System.Int32,System.Int32,System.Int64)">TermContext(IndexReaderContext, TermState, Int32, Int32, Int64)</h4>
<div class="markdown level1 summary"><p>Creates a <a class="xref" href="Lucene.Net.Index.TermContext.html">TermContext</a> with an initial <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a>,
<a class="xref" href="Lucene.Net.Index.IndexReader.html">IndexReader</a> pair.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public TermContext(IndexReaderContext context, TermState state, int ord, int docFreq, long totalTermFreq)</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.IndexReaderContext.html">IndexReaderContext</a></td>
<td><span class="parametername">context</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a></td>
<td><span class="parametername">state</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">ord</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">docFreq</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int64</span></td>
<td><span class="parametername">totalTermFreq</span></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-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TermContext_DocFreq.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TermContext.DocFreq%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>
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<a id="Lucene_Net_Index_TermContext_DocFreq_" data-uid="Lucene.Net.Index.TermContext.DocFreq*"></a>
<h4 id="Lucene_Net_Index_TermContext_DocFreq" data-uid="Lucene.Net.Index.TermContext.DocFreq">DocFreq</h4>
<div class="markdown level1 summary"><p>expert: only available for queries that want to lie about docfreq
<p>
<div class="lucene-block lucene-internal">This is a Lucene.NET INTERNAL 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 int DocFreq { 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.Int32</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-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TermContext_TopReaderContext.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TermContext.TopReaderContext%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>
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<a id="Lucene_Net_Index_TermContext_TopReaderContext_" data-uid="Lucene.Net.Index.TermContext.TopReaderContext*"></a>
<h4 id="Lucene_Net_Index_TermContext_TopReaderContext" data-uid="Lucene.Net.Index.TermContext.TopReaderContext">TopReaderContext</h4>
<div class="markdown level1 summary"><p>Holds the <a class="xref" href="Lucene.Net.Index.IndexReaderContext.html">IndexReaderContext</a> of the top-level
<a class="xref" href="Lucene.Net.Index.IndexReader.html">IndexReader</a>, used internally only for
asserting.
<p>
<div class="lucene-block lucene-internal">This is a Lucene.NET INTERNAL 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 IndexReaderContext TopReaderContext { 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.Index.IndexReaderContext.html">IndexReaderContext</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-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TermContext_TotalTermFreq.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TermContext.TotalTermFreq%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>
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<a id="Lucene_Net_Index_TermContext_TotalTermFreq_" data-uid="Lucene.Net.Index.TermContext.TotalTermFreq*"></a>
<h4 id="Lucene_Net_Index_TermContext_TotalTermFreq" data-uid="Lucene.Net.Index.TermContext.TotalTermFreq">TotalTermFreq</h4>
<div class="markdown level1 summary"><p>Returns the accumulated term frequency of all <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a>
instances passed to <a class="xref" href="Lucene.Net.Index.TermContext.html#Lucene_Net_Index_TermContext_Register_Lucene_Net_Index_TermState_System_Int32_System_Int32_System_Int64_">Register(TermState, Int32, Int32, Int64)</a>. </p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public long TotalTermFreq { 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.Int64</span></td>
<td><p>the accumulated term frequency of all <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a>
instances passed to <a class="xref" href="Lucene.Net.Index.TermContext.html#Lucene_Net_Index_TermContext_Register_Lucene_Net_Index_TermState_System_Int32_System_Int32_System_Int64_">Register(TermState, Int32, Int32, Int64)</a>. </p>
</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-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TermContext_Build_Lucene_Net_Index_IndexReaderContext_Lucene_Net_Index_Term_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TermContext.Build(Lucene.Net.Index.IndexReaderContext%2CLucene.Net.Index.Term)%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>
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<a id="Lucene_Net_Index_TermContext_Build_" data-uid="Lucene.Net.Index.TermContext.Build*"></a>
<h4 id="Lucene_Net_Index_TermContext_Build_Lucene_Net_Index_IndexReaderContext_Lucene_Net_Index_Term_" data-uid="Lucene.Net.Index.TermContext.Build(Lucene.Net.Index.IndexReaderContext,Lucene.Net.Index.Term)">Build(IndexReaderContext, Term)</h4>
<div class="markdown level1 summary"><p>Creates a <a class="xref" href="Lucene.Net.Index.TermContext.html">TermContext</a> from a top-level <a class="xref" href="Lucene.Net.Index.IndexReaderContext.html">IndexReaderContext</a> and the
given <a class="xref" href="Lucene.Net.Index.Term.html">Term</a>. this method will lookup the given term in all context&apos;s leaf readers
and register each of the readers containing the term in the returned <a class="xref" href="Lucene.Net.Index.TermContext.html">TermContext</a>
using the leaf reader&apos;s ordinal.
<p>
Note: the given context must be a top-level context.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static TermContext Build(IndexReaderContext context, Term term)</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.IndexReaderContext.html">IndexReaderContext</a></td>
<td><span class="parametername">context</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Index.Term.html">Term</a></td>
<td><span class="parametername">term</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.TermContext.html">TermContext</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TermContext_Clear.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TermContext.Clear%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>
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<a id="Lucene_Net_Index_TermContext_Clear_" data-uid="Lucene.Net.Index.TermContext.Clear*"></a>
<h4 id="Lucene_Net_Index_TermContext_Clear" data-uid="Lucene.Net.Index.TermContext.Clear">Clear()</h4>
<div class="markdown level1 summary"><p>Clears the <a class="xref" href="Lucene.Net.Index.TermContext.html">TermContext</a> internal state and removes all
registered <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a>s</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Clear()</code></pre>
</div>
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<a id="Lucene_Net_Index_TermContext_Get_" data-uid="Lucene.Net.Index.TermContext.Get*"></a>
<h4 id="Lucene_Net_Index_TermContext_Get_System_Int32_" data-uid="Lucene.Net.Index.TermContext.Get(System.Int32)">Get(Int32)</h4>
<div class="markdown level1 summary"><p>Returns the <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> for an leaf ordinal or <code>null</code> if no
<a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> for the ordinal was registered.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public TermState Get(int ord)</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.Int32</span></td>
<td><span class="parametername">ord</span></td>
<td><p>The readers leaf ordinal to get the <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> for. </p>
</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.TermState.html">TermState</a></td>
<td><p>The <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> for the given readers ord or <code>null</code> if no
<a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> for the reader was registered </p>
</td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Index_TermContext_Register_" data-uid="Lucene.Net.Index.TermContext.Register*"></a>
<h4 id="Lucene_Net_Index_TermContext_Register_Lucene_Net_Index_TermState_System_Int32_System_Int32_System_Int64_" data-uid="Lucene.Net.Index.TermContext.Register(Lucene.Net.Index.TermState,System.Int32,System.Int32,System.Int64)">Register(TermState, Int32, Int32, Int64)</h4>
<div class="markdown level1 summary"><p>Registers and associates a <a class="xref" href="Lucene.Net.Index.TermState.html">TermState</a> with an leaf ordinal. The leaf ordinal
should be derived from a <a class="xref" href="Lucene.Net.Index.IndexReaderContext.html">IndexReaderContext</a>&apos;s leaf ord.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Register(TermState state, int ord, int docFreq, long totalTermFreq)</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.TermState.html">TermState</a></td>
<td><span class="parametername">state</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">ord</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">docFreq</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int64</span></td>
<td><span class="parametername">totalTermFreq</span></td>
<td></td>
</tr>
</tbody>
</table>
</article>
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