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<article class="content wrap" id="_content" data-uid="Lucene.Net.Index.TwoPhaseCommitTool">
<h1 id="Lucene_Net_Index_TwoPhaseCommitTool" data-uid="Lucene.Net.Index.TwoPhaseCommitTool" class="text-break">Class TwoPhaseCommitTool
</h1>
<div class="markdown level0 summary"><p>A utility for executing 2-phase commit on several objects.
<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">TwoPhaseCommitTool</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>
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<span class="xref">System.Object.GetHashCode()</span>
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<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_TwoPhaseCommitTool_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public sealed class TwoPhaseCommitTool</code></pre>
</div>
<h3 id="methods">Methods
</h3>
<span class="small pull-right mobile-hide">
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<a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net/Index/TwoPhaseCommitTool.cs/#L158">View Source</a>
</span>
<a id="Lucene_Net_Index_TwoPhaseCommitTool_Execute_" data-uid="Lucene.Net.Index.TwoPhaseCommitTool.Execute*"></a>
<h4 id="Lucene_Net_Index_TwoPhaseCommitTool_Execute_Lucene_Net_Index_ITwoPhaseCommit___" data-uid="Lucene.Net.Index.TwoPhaseCommitTool.Execute(Lucene.Net.Index.ITwoPhaseCommit[])">Execute(ITwoPhaseCommit[])</h4>
<div class="markdown level1 summary"><p>Executes a 2-phase commit algorithm by first
<a class="xref" href="Lucene.Net.Index.ITwoPhaseCommit.html#Lucene_Net_Index_ITwoPhaseCommit_PrepareCommit">PrepareCommit()</a> all objects and only if all succeed,
it proceeds with <a class="xref" href="Lucene.Net.Index.ITwoPhaseCommit.html#Lucene_Net_Index_ITwoPhaseCommit_Commit">Commit()</a>. If any of the objects
fail on either the preparation or actual commit, it terminates and
<a class="xref" href="Lucene.Net.Index.ITwoPhaseCommit.html#Lucene_Net_Index_ITwoPhaseCommit_Rollback">Rollback()</a> all of them.
<p>
<strong>NOTE:</strong> It may happen that an object fails to commit, after few have
already successfully committed. This tool will still issue a rollback
instruction on them as well, but depending on the implementation, it may
not have any effect.
<p>
<strong>NOTE:</strong> if any of the objects are <code>null</code>, this method simply
skips over them.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static void Execute(params ITwoPhaseCommit[] objects)</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.ITwoPhaseCommit.html">ITwoPhaseCommit</a>[]</td>
<td><span class="parametername">objects</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="exceptions">Exceptions</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Condition</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Index.TwoPhaseCommitTool.PrepareCommitFailException.html">TwoPhaseCommitTool.PrepareCommitFailException</a></td>
<td><p>if any of the objects fail to
<a class="xref" href="Lucene.Net.Index.ITwoPhaseCommit.html#Lucene_Net_Index_ITwoPhaseCommit_PrepareCommit">PrepareCommit()</a> </p>
</td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Index.TwoPhaseCommitTool.CommitFailException.html">TwoPhaseCommitTool.CommitFailException</a></td>
<td><p>if any of the objects fail to <a class="xref" href="Lucene.Net.Index.ITwoPhaseCommit.html#Lucene_Net_Index_ITwoPhaseCommit_Commit">Commit()</a> </p>
</td>
</tr>
</tbody>
</table>
<h3 id="seealso">See Also</h3>
<div class="seealso">
<div><a class="xref" href="Lucene.Net.Index.ITwoPhaseCommit.html">ITwoPhaseCommit</a></div>
</div>
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