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<article class="content wrap" id="_content" data-uid="Lucene.Net.Index.TrackingIndexWriter">
<h1 id="Lucene_Net_Index_TrackingIndexWriter" data-uid="Lucene.Net.Index.TrackingIndexWriter" class="text-break">Class TrackingIndexWriter
</h1>
<div class="markdown level0 summary"><p>Class that tracks changes to a delegated
<a class="xref" href="Lucene.Net.Index.IndexWriter.html">IndexWriter</a>, used by
<a class="xref" href="Lucene.Net.Search.ControlledRealTimeReopenThread-1.html">ControlledRealTimeReopenThread&lt;T&gt;</a> to ensure specific
changes are visible. Create this class (passing your
<a class="xref" href="Lucene.Net.Index.IndexWriter.html">IndexWriter</a>), and then pass this class to
<a class="xref" href="Lucene.Net.Search.ControlledRealTimeReopenThread-1.html">ControlledRealTimeReopenThread&lt;T&gt;</a>.
Be sure to make all changes via the
<a class="xref" href="Lucene.Net.Index.TrackingIndexWriter.html">TrackingIndexWriter</a>, otherwise
<a class="xref" href="Lucene.Net.Search.ControlledRealTimeReopenThread-1.html">ControlledRealTimeReopenThread&lt;T&gt;</a> won&apos;t know about the changes.
<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">TrackingIndexWriter</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>
</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.Index.html">Lucene.Net.Index</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.dll</h6>
<h5 id="Lucene_Net_Index_TrackingIndexWriter_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class TrackingIndexWriter</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-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TrackingIndexWriter__ctor_Lucene_Net_Index_IndexWriter_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.%23ctor(Lucene.Net.Index.IndexWriter)%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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<span class="small pull-right mobile-hide">
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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter__ctor_" data-uid="Lucene.Net.Index.TrackingIndexWriter.#ctor*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter__ctor_Lucene_Net_Index_IndexWriter_" data-uid="Lucene.Net.Index.TrackingIndexWriter.#ctor(Lucene.Net.Index.IndexWriter)">TrackingIndexWriter(IndexWriter)</h4>
<div class="markdown level1 summary"><p>Create a <a class="xref" href="Lucene.Net.Index.TrackingIndexWriter.html">TrackingIndexWriter</a> wrapping the
provided <a class="xref" href="Lucene.Net.Index.IndexWriter.html">IndexWriter</a>.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public TrackingIndexWriter(IndexWriter writer)</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.IndexWriter.html">IndexWriter</a></td>
<td><span class="parametername">writer</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_TrackingIndexWriter_Generation.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.Generation%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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<span class="small pull-right mobile-hide">
<a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/TrackingIndexWriter.cs/#L228">View Source</a>
</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_Generation_" data-uid="Lucene.Net.Index.TrackingIndexWriter.Generation*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_Generation" data-uid="Lucene.Net.Index.TrackingIndexWriter.Generation">Generation</h4>
<div class="markdown level1 summary"><p>Return the current generation being indexed. </p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long Generation { 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></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_TrackingIndexWriter_IndexWriter.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.IndexWriter%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 href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/TrackingIndexWriter.cs/#L232">View Source</a>
</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_IndexWriter_" data-uid="Lucene.Net.Index.TrackingIndexWriter.IndexWriter*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_IndexWriter" data-uid="Lucene.Net.Index.TrackingIndexWriter.IndexWriter">IndexWriter</h4>
<div class="markdown level1 summary"><p>Return the wrapped <a class="xref" href="Lucene.Net.Index.IndexWriter.html">IndexWriter</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 IndexWriter IndexWriter { 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.IndexWriter.html">IndexWriter</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-beta00013/websites/apidocs/apiSpec/new?filename=Lucene_Net_Index_TrackingIndexWriter_AddDocument_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.AddDocument(System.Collections.Generic.IEnumerable%7BLucene.Net.Index.IIndexableField%7D)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_AddDocument_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocument*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_AddDocument_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocument(System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField})">AddDocument(IEnumerable&lt;IIndexableField&gt;)</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_AddDocument_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__">AddDocument(IEnumerable&lt;IIndexableField&gt;)</a>
and returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long AddDocument(IEnumerable&lt;IIndexableField&gt; d)</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.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;</td>
<td><span class="parametername">d</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.Int64</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_TrackingIndexWriter_AddDocument_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__Lucene_Net_Analysis_Analyzer_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.AddDocument(System.Collections.Generic.IEnumerable%7BLucene.Net.Index.IIndexableField%7D%2CLucene.Net.Analysis.Analyzer)%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 href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/TrackingIndexWriter.cs/#L163">View Source</a>
</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_AddDocument_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocument*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_AddDocument_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__Lucene_Net_Analysis_Analyzer_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocument(System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField},Lucene.Net.Analysis.Analyzer)">AddDocument(IEnumerable&lt;IIndexableField&gt;, Analyzer)</h4>
<div class="markdown level1 summary"><p>Calls
<a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_AddDocument_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__Lucene_Net_Analysis_Analyzer_">AddDocument(IEnumerable&lt;IIndexableField&gt;, Analyzer)</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long AddDocument(IEnumerable&lt;IIndexableField&gt; d, Analyzer a)</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.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;</td>
<td><span class="parametername">d</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Analysis.Analyzer.html">Analyzer</a></td>
<td><span class="parametername">a</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.Int64</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_TrackingIndexWriter_AddDocuments_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.AddDocuments(System.Collections.Generic.IEnumerable%7BSystem.Collections.Generic.IEnumerable%7BLucene.Net.Index.IIndexableField%7D%7D)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_AddDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_AddDocuments_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocuments(System.Collections.Generic.IEnumerable{System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField}})">AddDocuments(IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_AddDocuments_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___">AddDocuments(IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;)</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long AddDocuments(IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt; docs)</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.Collections.Generic.IEnumerable</span>&lt;<span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;&gt;</td>
<td><span class="parametername">docs</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.Int64</span></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_TrackingIndexWriter_AddDocuments_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___Lucene_Net_Analysis_Analyzer_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.AddDocuments(System.Collections.Generic.IEnumerable%7BSystem.Collections.Generic.IEnumerable%7BLucene.Net.Index.IIndexableField%7D%7D%2CLucene.Net.Analysis.Analyzer)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_AddDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_AddDocuments_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___Lucene_Net_Analysis_Analyzer_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddDocuments(System.Collections.Generic.IEnumerable{System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField}},Lucene.Net.Analysis.Analyzer)">AddDocuments(IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;, Analyzer)</h4>
<div class="markdown level1 summary"><p>Calls
<a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_AddDocuments_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___Lucene_Net_Analysis_Analyzer_">AddDocuments(IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;, Analyzer)</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long AddDocuments(IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt; docs, Analyzer a)</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.Collections.Generic.IEnumerable</span>&lt;<span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;&gt;</td>
<td><span class="parametername">docs</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Analysis.Analyzer.html">Analyzer</a></td>
<td><span class="parametername">a</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.Int64</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_TrackingIndexWriter_AddIndexes_Lucene_Net_Index_IndexReader___.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.AddIndexes(Lucene.Net.Index.IndexReader%5B%5D)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_AddIndexes_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddIndexes*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_AddIndexes_Lucene_Net_Index_IndexReader___" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddIndexes(Lucene.Net.Index.IndexReader[])">AddIndexes(IndexReader[])</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_AddIndexes_Lucene_Net_Index_IndexReader___">AddIndexes(IndexReader[])</a>
and returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long AddIndexes(params IndexReader[] readers)</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">readers</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.Int64</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_TrackingIndexWriter_AddIndexes_Lucene_Net_Store_Directory___.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.AddIndexes(Lucene.Net.Store.Directory%5B%5D)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_AddIndexes_" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddIndexes*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_AddIndexes_Lucene_Net_Store_Directory___" data-uid="Lucene.Net.Index.TrackingIndexWriter.AddIndexes(Lucene.Net.Store.Directory[])">AddIndexes(Directory[])</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_AddIndexes_Lucene_Net_Store_Directory___">AddIndexes(Directory[])</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long AddIndexes(params Directory[] dirs)</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.Store.Directory.html">Directory</a>[]</td>
<td><span class="parametername">dirs</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.Int64</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_TrackingIndexWriter_DeleteAll.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.DeleteAll%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_DeleteAll_" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteAll*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_DeleteAll" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteAll">DeleteAll()</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_DeleteAll">DeleteAll()</a> and returns the
generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long DeleteAll()</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.Int64</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_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Index_Term_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Index_Term_" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.Net.Index.Term)">DeleteDocuments(Term)</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_DeleteDocuments_Lucene_Net_Index_Term_">DeleteDocuments(Term)</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long DeleteDocuments(Term t)</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.Term.html">Term</a></td>
<td><span class="parametername">t</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.Int64</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_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Index_Term___.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.Net.Index.Term%5B%5D)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Index_Term___" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.Net.Index.Term[])">DeleteDocuments(Term[])</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_DeleteDocuments_Lucene_Net_Index_Term___">DeleteDocuments(Term[])</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long DeleteDocuments(params Term[] 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.Term.html">Term</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><span class="xref">System.Int64</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_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Search_Query_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.Net.Search.Query)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Search_Query_" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.Net.Search.Query)">DeleteDocuments(Query)</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_DeleteDocuments_Lucene_Net_Search_Query_">DeleteDocuments(Query)</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long DeleteDocuments(Query q)</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.Query.html">Query</a></td>
<td><span class="parametername">q</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.Int64</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_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Search_Query___.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.Net.Search.Query%5B%5D)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_DeleteDocuments_Lucene_Net_Search_Query___" data-uid="Lucene.Net.Index.TrackingIndexWriter.DeleteDocuments(Lucene.Net.Search.Query[])">DeleteDocuments(Query[])</h4>
<div class="markdown level1 summary"><p>Calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_DeleteDocuments_Lucene_Net_Search_Query___">DeleteDocuments(Query[])</a>
and returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long DeleteDocuments(params Query[] queries)</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.Query.html">Query</a>[]</td>
<td><span class="parametername">queries</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.Int64</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_TrackingIndexWriter_GetAndIncrementGeneration.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.GetAndIncrementGeneration%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_TrackingIndexWriter_GetAndIncrementGeneration_" data-uid="Lucene.Net.Index.TrackingIndexWriter.GetAndIncrementGeneration*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_GetAndIncrementGeneration" data-uid="Lucene.Net.Index.TrackingIndexWriter.GetAndIncrementGeneration">GetAndIncrementGeneration()</h4>
<div class="markdown level1 summary"><p>Return and increment current gen.
<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 virtual long GetAndIncrementGeneration()</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.Int64</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_TrackingIndexWriter_TryDeleteDocument_Lucene_Net_Index_IndexReader_System_Int32_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.TryDeleteDocument(Lucene.Net.Index.IndexReader%2CSystem.Int32)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_TryDeleteDocument_" data-uid="Lucene.Net.Index.TrackingIndexWriter.TryDeleteDocument*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_TryDeleteDocument_Lucene_Net_Index_IndexReader_System_Int32_" data-uid="Lucene.Net.Index.TrackingIndexWriter.TryDeleteDocument(Lucene.Net.Index.IndexReader,System.Int32)">TryDeleteDocument(IndexReader, Int32)</h4>
<div class="markdown level1 summary"><p>Cals
<a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_TryDeleteDocument_Lucene_Net_Index_IndexReader_System_Int32_">TryDeleteDocument(IndexReader, Int32)</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long TryDeleteDocument(IndexReader reader, int docID)</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>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">docID</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.Int64</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a href="https://github.com/NightOwl888/lucenenet/blob/fix/apidocs-layout/src/Lucene.Net/Index/TrackingIndexWriter.cs/#L72">View Source</a>
</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_UpdateDocument_" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocument*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_UpdateDocument_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocument(Lucene.Net.Index.Term,System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField})">UpdateDocument(Term, IEnumerable&lt;IIndexableField&gt;)</h4>
<div class="markdown level1 summary"><p>Calls
<a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_UpdateDocument_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__">UpdateDocument(Term, IEnumerable&lt;IIndexableField&gt;)</a> and
returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long UpdateDocument(Term t, IEnumerable&lt;IIndexableField&gt; d)</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.Term.html">Term</a></td>
<td><span class="parametername">t</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;</td>
<td><span class="parametername">d</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.Int64</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_TrackingIndexWriter_UpdateDocument_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__Lucene_Net_Analysis_Analyzer_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.UpdateDocument(Lucene.Net.Index.Term%2CSystem.Collections.Generic.IEnumerable%7BLucene.Net.Index.IIndexableField%7D%2CLucene.Net.Analysis.Analyzer)%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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</span>
<a id="Lucene_Net_Index_TrackingIndexWriter_UpdateDocument_" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocument*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_UpdateDocument_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__Lucene_Net_Analysis_Analyzer_" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocument(Lucene.Net.Index.Term,System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField},Lucene.Net.Analysis.Analyzer)">UpdateDocument(Term, IEnumerable&lt;IIndexableField&gt;, Analyzer)</h4>
<div class="markdown level1 summary"><p>Calls
<a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_UpdateDocument_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField__Lucene_Net_Analysis_Analyzer_">UpdateDocument(Term, IEnumerable&lt;IIndexableField&gt;, Analyzer)</a>
and returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long UpdateDocument(Term t, IEnumerable&lt;IIndexableField&gt; d, Analyzer a)</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.Term.html">Term</a></td>
<td><span class="parametername">t</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;</td>
<td><span class="parametername">d</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Analysis.Analyzer.html">Analyzer</a></td>
<td><span class="parametername">a</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.Int64</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_TrackingIndexWriter_UpdateDocuments_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.UpdateDocuments(Lucene.Net.Index.Term%2CSystem.Collections.Generic.IEnumerable%7BSystem.Collections.Generic.IEnumerable%7BLucene.Net.Index.IIndexableField%7D%7D)%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_TrackingIndexWriter_UpdateDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_UpdateDocuments_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocuments(Lucene.Net.Index.Term,System.Collections.Generic.IEnumerable{System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField}})">UpdateDocuments(Term, IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Calls
<a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_UpdateDocuments_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___">UpdateDocuments(Term, IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;)</a> and returns
the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long UpdateDocuments(Term t, IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt; docs)</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.Term.html">Term</a></td>
<td><span class="parametername">t</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;&gt;</td>
<td><span class="parametername">docs</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.Int64</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_TrackingIndexWriter_UpdateDocuments_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___Lucene_Net_Analysis_Analyzer_.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.TrackingIndexWriter.UpdateDocuments(Lucene.Net.Index.Term%2CSystem.Collections.Generic.IEnumerable%7BSystem.Collections.Generic.IEnumerable%7BLucene.Net.Index.IIndexableField%7D%7D%2CLucene.Net.Analysis.Analyzer)%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_TrackingIndexWriter_UpdateDocuments_" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocuments*"></a>
<h4 id="Lucene_Net_Index_TrackingIndexWriter_UpdateDocuments_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___Lucene_Net_Analysis_Analyzer_" data-uid="Lucene.Net.Index.TrackingIndexWriter.UpdateDocuments(Lucene.Net.Index.Term,System.Collections.Generic.IEnumerable{System.Collections.Generic.IEnumerable{Lucene.Net.Index.IIndexableField}},Lucene.Net.Analysis.Analyzer)">UpdateDocuments(Term, IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;, Analyzer)</h4>
<div class="markdown level1 summary"><p>Calls
<a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_UpdateDocuments_Lucene_Net_Index_Term_System_Collections_Generic_IEnumerable_System_Collections_Generic_IEnumerable_Lucene_Net_Index_IIndexableField___Lucene_Net_Analysis_Analyzer_">UpdateDocuments(Term, IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt;, Analyzer)</a>
and returns the generation that reflects this change.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long UpdateDocuments(Term t, IEnumerable&lt;IEnumerable&lt;IIndexableField&gt;&gt; docs, Analyzer a)</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.Term.html">Term</a></td>
<td><span class="parametername">t</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<a class="xref" href="Lucene.Net.Index.IIndexableField.html">IIndexableField</a>&gt;&gt;</td>
<td><span class="parametername">docs</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Analysis.Analyzer.html">Analyzer</a></td>
<td><span class="parametername">a</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.Int64</span></td>
<td></td>
</tr>
</tbody>
</table>
</article>
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