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apache / lucenenet-site / 17c7bc1988cb32e7f8409919fc025c5fcaca3695 / . / docs / 4.8.0-beta00013 / api / core / Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.html
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<article class="content wrap" id="_content" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy">
<h1 id="Lucene_Net_Index_KeepOnlyLastCommitDeletionPolicy" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy" class="text-break">Class KeepOnlyLastCommitDeletionPolicy
</h1>
<div class="markdown level0 summary"><p>This <a class="xref" href="Lucene.Net.Index.IndexDeletionPolicy.html">IndexDeletionPolicy</a> implementation that
keeps only the most recent commit and immediately removes
all prior commits after a new commit is done. This is
the default deletion policy.</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.Index.IndexDeletionPolicy.html">IndexDeletionPolicy</a></div>
<div class="level2"><span class="xref">KeepOnlyLastCommitDeletionPolicy</span></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<div>
<a class="xref" href="Lucene.Net.Index.IndexDeletionPolicy.html#Lucene_Net_Index_IndexDeletionPolicy_Clone">IndexDeletionPolicy.Clone()</a>
</div>
<div>
<span class="xref">System.Object.Equals(System.Object)</span>
</div>
<div>
<span class="xref">System.Object.Equals(System.Object, System.Object)</span>
</div>
<div>
<span class="xref">System.Object.GetHashCode()</span>
</div>
<div>
<span class="xref">System.Object.GetType()</span>
</div>
<div>
<span class="xref">System.Object.MemberwiseClone()</span>
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<span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
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<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_KeepOnlyLastCommitDeletionPolicy_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public sealed class KeepOnlyLastCommitDeletionPolicy : IndexDeletionPolicy</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_KeepOnlyLastCommitDeletionPolicy__ctor.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.%23ctor%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/fix/apidocs-layout/src/Lucene.Net/Index/KeepOnlyLastCommitDeletionPolicy.cs/#L33">View Source</a>
</span>
<a id="Lucene_Net_Index_KeepOnlyLastCommitDeletionPolicy__ctor_" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.#ctor*"></a>
<h4 id="Lucene_Net_Index_KeepOnlyLastCommitDeletionPolicy__ctor" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.#ctor">KeepOnlyLastCommitDeletionPolicy()</h4>
<div class="markdown level1 summary"><p>Sole constructor. </p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public KeepOnlyLastCommitDeletionPolicy()</code></pre>
</div>
<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_KeepOnlyLastCommitDeletionPolicy_OnCommit__1_System_Collections_Generic_IList___0__.md&amp;value=---%0Auid%3A%20Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.OnCommit%60%601(System.Collections.Generic.IList%7B%60%600%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_KeepOnlyLastCommitDeletionPolicy_OnCommit_" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.OnCommit*"></a>
<h4 id="Lucene_Net_Index_KeepOnlyLastCommitDeletionPolicy_OnCommit__1_System_Collections_Generic_IList___0__" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.OnCommit``1(System.Collections.Generic.IList{``0})">OnCommit&lt;T&gt;(IList&lt;T&gt;)</h4>
<div class="markdown level1 summary"><p>Deletes all commits except the most recent one.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override void OnCommit&lt;T&gt;(IList&lt;T&gt; commits)
where T : IndexCommit</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.IList</span>&lt;T&gt;</td>
<td><span class="parametername">commits</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">T</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">Lucene.Net.Index.IndexDeletionPolicy.OnCommit&lt;T&gt;(System.Collections.Generic.IList&lt;T&gt;)</span></div>
<span class="small pull-right mobile-hide">
<span class="divider">|</span>
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<a id="Lucene_Net_Index_KeepOnlyLastCommitDeletionPolicy_OnInit_" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.OnInit*"></a>
<h4 id="Lucene_Net_Index_KeepOnlyLastCommitDeletionPolicy_OnInit__1_System_Collections_Generic_IList___0__" data-uid="Lucene.Net.Index.KeepOnlyLastCommitDeletionPolicy.OnInit``1(System.Collections.Generic.IList{``0})">OnInit&lt;T&gt;(IList&lt;T&gt;)</h4>
<div class="markdown level1 summary"><p>Deletes all commits except the most recent one.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override void OnInit&lt;T&gt;(IList&lt;T&gt; commits)
where T : IndexCommit</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.IList</span>&lt;T&gt;</td>
<td><span class="parametername">commits</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">T</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">Lucene.Net.Index.IndexDeletionPolicy.OnInit&lt;T&gt;(System.Collections.Generic.IList&lt;T&gt;)</span></div>
</article>
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