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<article class="content wrap" id="_content" data-uid="Lucene.Net.Util.Automaton.Automaton">
<h1 id="Lucene_Net_Util_Automaton_Automaton" data-uid="Lucene.Net.Util.Automaton.Automaton" class="text-break">Class Automaton
</h1>
<div class="markdown level0 summary"><p>Finite-state automaton with regular expression operations.
<p>
Class invariants:
<ul><li>An automaton is either represented explicitly (with <a class="xref" href="Lucene.Net.Util.Automaton.State.html">State</a> and
<a class="xref" href="Lucene.Net.Util.Automaton.Transition.html">Transition</a> objects) or with a singleton string (see
<a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_Singleton">Singleton</a> and <a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_ExpandSingleton">ExpandSingleton()</a>) in case the automaton
is known to accept exactly one string. (Implicitly, all states and
transitions of an automaton are reachable from its initial state.)</li><li>Automata are always reduced (see <a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_Reduce">Reduce()</a>) and have no
transitions to dead states (see <a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_RemoveDeadTransitions">RemoveDeadTransitions()</a>).</li><li>If an automaton is nondeterministic, then <a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_IsDeterministic">IsDeterministic</a>
returns <code>false</code> (but the converse is not required).</li><li>Automata provided as input to operations are generally assumed to be
disjoint.</li></ul>
<p>
If the states or transitions are manipulated manually, the
<a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_RestoreInvariant">RestoreInvariant()</a> method and <a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_IsDeterministic">IsDeterministic</a> setter
should be used afterwards to restore representation invariants that are
assumed by the built-in automata operations.</p>
<p><p>
<p>
Note: this class has internal mutable state and is not thread safe. It is
the caller&apos;s responsibility to ensure any necessary synchronization if you
wish to use the same Automaton from multiple threads. In general it is instead
recommended to use a <a class="xref" href="Lucene.Net.Util.Automaton.RunAutomaton.html">RunAutomaton</a> for multithreaded matching: it is immutable,
thread safe, and much faster.
</p></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">Automaton</span></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<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.Util.Automaton.html">Lucene.Net.Util.Automaton</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.dll</h6>
<h5 id="Lucene_Net_Util_Automaton_Automaton_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class Automaton</code></pre>
</div>
<h3 id="constructors">Constructors
</h3>
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<a id="Lucene_Net_Util_Automaton_Automaton__ctor_" data-uid="Lucene.Net.Util.Automaton.Automaton.#ctor*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton__ctor" data-uid="Lucene.Net.Util.Automaton.Automaton.#ctor">Automaton()</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 Automaton()</code></pre>
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<a id="Lucene_Net_Util_Automaton_Automaton__ctor_" data-uid="Lucene.Net.Util.Automaton.Automaton.#ctor*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton__ctor_Lucene_Net_Util_Automaton_State_" data-uid="Lucene.Net.Util.Automaton.Automaton.#ctor(Lucene.Net.Util.Automaton.State)">Automaton(State)</h4>
<div class="markdown level1 summary"><p>Constructs a new automaton that accepts the empty language. Using this
constructor, automata can be constructed manually from <a class="xref" href="Lucene.Net.Util.Automaton.State.html">State</a> and
<a class="xref" href="Lucene.Net.Util.Automaton.Transition.html">Transition</a> objects.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Automaton(State initial)</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.Util.Automaton.State.html">State</a></td>
<td><span class="parametername">initial</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Util_Automaton_Automaton__ctor_Lucene_Net_Util_Automaton_State__seealso">See Also</h5>
<div class="seealso">
<div><a class="xref" href="Lucene.Net.Util.Automaton.State.html">State</a></div>
<div><a class="xref" href="Lucene.Net.Util.Automaton.Transition.html">Transition</a></div>
</div>
<h3 id="fields">Fields
</h3>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_MINIMIZE_HOPCROFT" data-uid="Lucene.Net.Util.Automaton.Automaton.MINIMIZE_HOPCROFT">MINIMIZE_HOPCROFT</h4>
<div class="markdown level1 summary"><p>Minimize using Hopcroft&apos;s O(n log n) algorithm. this is regarded as one of
the most generally efficient algorithms that exist.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public const int MINIMIZE_HOPCROFT = 2</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.Int32</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Util_Automaton_Automaton_MINIMIZE_HOPCROFT_seealso">See Also</h5>
<div class="seealso">
<div><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_SetMinimization_System_Int32_">SetMinimization(Int32)</a></div>
</div>
<h3 id="properties">Properties
</h3>
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<a id="Lucene_Net_Util_Automaton_Automaton_Info_" data-uid="Lucene.Net.Util.Automaton.Automaton.Info*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Info" data-uid="Lucene.Net.Util.Automaton.Automaton.Info">Info</h4>
<div class="markdown level1 summary"><p>Associates extra information with this automaton.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual object Info { 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><span class="xref">System.Object</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_IsDeterministic" data-uid="Lucene.Net.Util.Automaton.Automaton.IsDeterministic">IsDeterministic</h4>
<div class="markdown level1 summary"><p>Returns deterministic flag for this automaton.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual bool IsDeterministic { 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><span class="xref">System.Boolean</span></td>
<td><p><code>true</code> if the automaton is definitely deterministic, <code>false</code> if the
automaton may be nondeterministic </p>
</td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_IsEmptyString" data-uid="Lucene.Net.Util.Automaton.Automaton.IsEmptyString">IsEmptyString</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_IsEmptyString_Lucene_Net_Util_Automaton_Automaton_">IsEmptyString(Automaton)</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 bool IsEmptyString { 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.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_Singleton" data-uid="Lucene.Net.Util.Automaton.Automaton.Singleton">Singleton</h4>
<div class="markdown level1 summary"><p>Returns the singleton string for this automaton. An automaton that accepts
exactly one string <em>may</em> be represented in singleton mode. In that
case, this method may be used to obtain the string.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual string Singleton { 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><p>String, <code>null</code> if this automaton is not in singleton mode. </p>
</td>
</tr>
</tbody>
</table>
<h3 id="methods">Methods
</h3>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_ClearNumberedStates" data-uid="Lucene.Net.Util.Automaton.Automaton.ClearNumberedStates">ClearNumberedStates()</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void ClearNumberedStates()</code></pre>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_Clone" data-uid="Lucene.Net.Util.Automaton.Automaton.Clone">Clone()</h4>
<div class="markdown level1 summary"><p>Returns a clone of this automaton.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual object Clone()</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.Object</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Complement_" data-uid="Lucene.Net.Util.Automaton.Automaton.Complement*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Complement" data-uid="Lucene.Net.Util.Automaton.Automaton.Complement">Complement()</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Complement_Lucene_Net_Util_Automaton_Automaton_">Complement(Automaton)</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 Automaton Complement()</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Concatenate_" data-uid="Lucene.Net.Util.Automaton.Automaton.Concatenate*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Concatenate_Lucene_Net_Util_Automaton_Automaton_" data-uid="Lucene.Net.Util.Automaton.Automaton.Concatenate(Lucene.Net.Util.Automaton.Automaton)">Concatenate(Automaton)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Concatenate_Lucene_Net_Util_Automaton_Automaton_Lucene_Net_Util_Automaton_Automaton_">Concatenate(Automaton, Automaton)</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 Automaton Concatenate(Automaton 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.Util.Automaton.Automaton.html">Automaton</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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</span>
<a id="Lucene_Net_Util_Automaton_Automaton_Concatenate_" data-uid="Lucene.Net.Util.Automaton.Automaton.Concatenate*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Concatenate_System_Collections_Generic_IList_Lucene_Net_Util_Automaton_Automaton__" data-uid="Lucene.Net.Util.Automaton.Automaton.Concatenate(System.Collections.Generic.IList{Lucene.Net.Util.Automaton.Automaton})">Concatenate(IList&lt;Automaton&gt;)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Concatenate_System_Collections_Generic_IList_Lucene_Net_Util_Automaton_Automaton__">Concatenate(IList&lt;Automaton&gt;)</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 Automaton Concatenate(IList&lt;Automaton&gt; l)</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;<a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a>&gt;</td>
<td><span class="parametername">l</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.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Determinize_" data-uid="Lucene.Net.Util.Automaton.Automaton.Determinize*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Determinize" data-uid="Lucene.Net.Util.Automaton.Automaton.Determinize">Determinize()</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Determinize_Lucene_Net_Util_Automaton_Automaton_">Determinize(Automaton)</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 void Determinize()</code></pre>
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<a id="Lucene_Net_Util_Automaton_Automaton_Equals_" data-uid="Lucene.Net.Util.Automaton.Automaton.Equals*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Equals_System_Object_" data-uid="Lucene.Net.Util.Automaton.Automaton.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><span class="xref">System.Object.Equals(System.Object)</span></div>
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<a id="Lucene_Net_Util_Automaton_Automaton_ExpandSingleton_" data-uid="Lucene.Net.Util.Automaton.Automaton.ExpandSingleton*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_ExpandSingleton" data-uid="Lucene.Net.Util.Automaton.Automaton.ExpandSingleton">ExpandSingleton()</h4>
<div class="markdown level1 summary"><p>Expands singleton representation to normal representation. Does nothing if
not in singleton representation.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void ExpandSingleton()</code></pre>
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<a id="Lucene_Net_Util_Automaton_Automaton_GetAcceptStates_" data-uid="Lucene.Net.Util.Automaton.Automaton.GetAcceptStates*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_GetAcceptStates" data-uid="Lucene.Net.Util.Automaton.Automaton.GetAcceptStates">GetAcceptStates()</h4>
<div class="markdown level1 summary"><p>Returns the set of reachable accept states.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual ISet&lt;State&gt; GetAcceptStates()</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.Collections.Generic.ISet</span>&lt;<a class="xref" href="Lucene.Net.Util.Automaton.State.html">State</a>&gt;</td>
<td><p>Set of <a class="xref" href="Lucene.Net.Util.Automaton.State.html">State</a> objects. </p>
</td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_GetHashCode_" data-uid="Lucene.Net.Util.Automaton.Automaton.GetHashCode*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_GetHashCode" data-uid="Lucene.Net.Util.Automaton.Automaton.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><span class="xref">System.Object.GetHashCode()</span></div>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_GetInitialState" data-uid="Lucene.Net.Util.Automaton.Automaton.GetInitialState">GetInitialState()</h4>
<div class="markdown level1 summary"><p>Gets initial state.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual State GetInitialState()</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><a class="xref" href="Lucene.Net.Util.Automaton.State.html">State</a></td>
<td><p>state </p>
</td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_GetNumberedStates" data-uid="Lucene.Net.Util.Automaton.Automaton.GetNumberedStates">GetNumberedStates()</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 virtual State[] GetNumberedStates()</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><a class="xref" href="Lucene.Net.Util.Automaton.State.html">State</a>[]</td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_GetNumberOfStates" data-uid="Lucene.Net.Util.Automaton.Automaton.GetNumberOfStates">GetNumberOfStates()</h4>
<div class="markdown level1 summary"><p>Returns the number of states in this automaton.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual int GetNumberOfStates()</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>
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<a id="Lucene_Net_Util_Automaton_Automaton_GetNumberOfTransitions_" data-uid="Lucene.Net.Util.Automaton.Automaton.GetNumberOfTransitions*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_GetNumberOfTransitions" data-uid="Lucene.Net.Util.Automaton.Automaton.GetNumberOfTransitions">GetNumberOfTransitions()</h4>
<div class="markdown level1 summary"><p>Returns the number of transitions in this automaton. This number is counted
as the total number of edges, where one edge may be a character interval.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual int GetNumberOfTransitions()</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>
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<a id="Lucene_Net_Util_Automaton_Automaton_GetSortedTransitions_" data-uid="Lucene.Net.Util.Automaton.Automaton.GetSortedTransitions*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_GetSortedTransitions" data-uid="Lucene.Net.Util.Automaton.Automaton.GetSortedTransitions">GetSortedTransitions()</h4>
<div class="markdown level1 summary"><p>Returns a sorted array of transitions for each state (and sets state
numbers).</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual Transition[][] GetSortedTransitions()</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><a class="xref" href="Lucene.Net.Util.Automaton.Transition.html">Transition</a>[][]</td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_GetStartPoints_" data-uid="Lucene.Net.Util.Automaton.Automaton.GetStartPoints*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_GetStartPoints" data-uid="Lucene.Net.Util.Automaton.Automaton.GetStartPoints">GetStartPoints()</h4>
<div class="markdown level1 summary"><p>Returns sorted array of all interval start points.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual int[] GetStartPoints()</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>
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<a id="Lucene_Net_Util_Automaton_Automaton_Intersection_" data-uid="Lucene.Net.Util.Automaton.Automaton.Intersection*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Intersection_Lucene_Net_Util_Automaton_Automaton_" data-uid="Lucene.Net.Util.Automaton.Automaton.Intersection(Lucene.Net.Util.Automaton.Automaton)">Intersection(Automaton)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Intersection_Lucene_Net_Util_Automaton_Automaton_Lucene_Net_Util_Automaton_Automaton_">Intersection(Automaton, Automaton)</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 Automaton Intersection(Automaton 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.Util.Automaton.Automaton.html">Automaton</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Minimize_" data-uid="Lucene.Net.Util.Automaton.Automaton.Minimize*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Minimize_Lucene_Net_Util_Automaton_Automaton_" data-uid="Lucene.Net.Util.Automaton.Automaton.Minimize(Lucene.Net.Util.Automaton.Automaton)">Minimize(Automaton)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.MinimizationOperations.html#Lucene_Net_Util_Automaton_MinimizationOperations_Minimize_Lucene_Net_Util_Automaton_Automaton_">Minimize(Automaton)</a>. Returns the
automaton being given as argument.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static Automaton Minimize(Automaton 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.Util.Automaton.Automaton.html">Automaton</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Minus_" data-uid="Lucene.Net.Util.Automaton.Automaton.Minus*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Minus_Lucene_Net_Util_Automaton_Automaton_" data-uid="Lucene.Net.Util.Automaton.Automaton.Minus(Lucene.Net.Util.Automaton.Automaton)">Minus(Automaton)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Minus_Lucene_Net_Util_Automaton_Automaton_Lucene_Net_Util_Automaton_Automaton_">Minus(Automaton, Automaton)</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 Automaton Minus(Automaton 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.Util.Automaton.Automaton.html">Automaton</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Optional_" data-uid="Lucene.Net.Util.Automaton.Automaton.Optional*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Optional" data-uid="Lucene.Net.Util.Automaton.Automaton.Optional">Optional()</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Optional_Lucene_Net_Util_Automaton_Automaton_">Optional(Automaton)</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 Automaton Optional()</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_Reduce" data-uid="Lucene.Net.Util.Automaton.Automaton.Reduce">Reduce()</h4>
<div class="markdown level1 summary"><p>Reduces this automaton. An automaton is &quot;reduced&quot; by combining overlapping
and adjacent edge intervals with same destination.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void Reduce()</code></pre>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_RemoveDeadTransitions" data-uid="Lucene.Net.Util.Automaton.Automaton.RemoveDeadTransitions">RemoveDeadTransitions()</h4>
<div class="markdown level1 summary"><p>Removes transitions to dead states and calls <a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_Reduce">Reduce()</a>.
(A state is &quot;dead&quot; if no accept state is
reachable from it.)</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void RemoveDeadTransitions()</code></pre>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_Repeat" data-uid="Lucene.Net.Util.Automaton.Automaton.Repeat">Repeat()</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Repeat_Lucene_Net_Util_Automaton_Automaton_">Repeat(Automaton)</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 Automaton Repeat()</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_Repeat_System_Int32_" data-uid="Lucene.Net.Util.Automaton.Automaton.Repeat(System.Int32)">Repeat(Int32)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Repeat_Lucene_Net_Util_Automaton_Automaton_System_Int32_">Repeat(Automaton, Int32)</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 Automaton Repeat(int min)</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">min</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.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Repeat_" data-uid="Lucene.Net.Util.Automaton.Automaton.Repeat*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Repeat_System_Int32_System_Int32_" data-uid="Lucene.Net.Util.Automaton.Automaton.Repeat(System.Int32,System.Int32)">Repeat(Int32, Int32)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Repeat_Lucene_Net_Util_Automaton_Automaton_System_Int32_System_Int32_">Repeat(Automaton, Int32, Int32)</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 Automaton Repeat(int min, int max)</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">min</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">max</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.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_RestoreInvariant_" data-uid="Lucene.Net.Util.Automaton.Automaton.RestoreInvariant*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_RestoreInvariant" data-uid="Lucene.Net.Util.Automaton.Automaton.RestoreInvariant">RestoreInvariant()</h4>
<div class="markdown level1 summary"><p>Restores representation invariant. This method must be invoked before any
built-in automata operation is performed if automaton states or transitions
are manipulated manually.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void RestoreInvariant()</code></pre>
</div>
<h5 id="Lucene_Net_Util_Automaton_Automaton_RestoreInvariant_seealso">See Also</h5>
<div class="seealso">
<div><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html#Lucene_Net_Util_Automaton_Automaton_IsDeterministic">IsDeterministic</a></div>
</div>
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</span>
<a id="Lucene_Net_Util_Automaton_Automaton_SetAllowMutate_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetAllowMutate*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_SetAllowMutate_System_Boolean_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetAllowMutate(System.Boolean)">SetAllowMutate(Boolean)</h4>
<div class="markdown level1 summary"><p>Sets or resets allow mutate flag. If this flag is set, then all automata
operations may modify automata given as input; otherwise, operations will
always leave input automata languages unmodified. By default, the flag is
not set.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static bool SetAllowMutate(bool flag)</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.Boolean</span></td>
<td><span class="parametername">flag</span></td>
<td><p>if <code>true</code>, the flag is set </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><span class="xref">System.Boolean</span></td>
<td><p>previous value of the flag </p>
</td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_SetMinimization_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetMinimization*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_SetMinimization_System_Int32_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetMinimization(System.Int32)">SetMinimization(Int32)</h4>
<div class="markdown level1 summary"><p>Selects minimization algorithm (default: <code>MINIMIZE_HOPCROFT</code>).</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 SetMinimization(int algorithm)</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">algorithm</span></td>
<td><p>minimization algorithm </p>
</td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_SetMinimizeAlways_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetMinimizeAlways*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_SetMinimizeAlways_System_Boolean_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetMinimizeAlways(System.Boolean)">SetMinimizeAlways(Boolean)</h4>
<div class="markdown level1 summary"><p>Sets or resets minimize always flag. If this flag is set, then
<a class="xref" href="Lucene.Net.Util.Automaton.MinimizationOperations.html#Lucene_Net_Util_Automaton_MinimizationOperations_Minimize_Lucene_Net_Util_Automaton_Automaton_">Minimize(Automaton)</a> will automatically be
invoked after all operations that otherwise may produce non-minimal
automata. By default, the flag is not set.</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 SetMinimizeAlways(bool flag)</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.Boolean</span></td>
<td><span class="parametername">flag</span></td>
<td><p>if <code>true</code>, the flag is set </p>
</td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_SetNumberedStates_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetNumberedStates*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_SetNumberedStates_Lucene_Net_Util_Automaton_State___" data-uid="Lucene.Net.Util.Automaton.Automaton.SetNumberedStates(Lucene.Net.Util.Automaton.State[])">SetNumberedStates(State[])</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 virtual void SetNumberedStates(State[] states)</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.Util.Automaton.State.html">State</a>[]</td>
<td><span class="parametername">states</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Util_Automaton_Automaton_SetNumberedStates_Lucene_Net_Util_Automaton_State___System_Int32_" data-uid="Lucene.Net.Util.Automaton.Automaton.SetNumberedStates(Lucene.Net.Util.Automaton.State[],System.Int32)">SetNumberedStates(State[], Int32)</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 virtual void SetNumberedStates(State[] states, int count)</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.Util.Automaton.State.html">State</a>[]</td>
<td><span class="parametername">states</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">count</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_SubsetOf_" data-uid="Lucene.Net.Util.Automaton.Automaton.SubsetOf*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_SubsetOf_Lucene_Net_Util_Automaton_Automaton_" data-uid="Lucene.Net.Util.Automaton.Automaton.SubsetOf(Lucene.Net.Util.Automaton.Automaton)">SubsetOf(Automaton)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_SubsetOf_Lucene_Net_Util_Automaton_Automaton_Lucene_Net_Util_Automaton_Automaton_">SubsetOf(Automaton, Automaton)</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 bool SubsetOf(Automaton 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.Util.Automaton.Automaton.html">Automaton</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.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_ToDot_" data-uid="Lucene.Net.Util.Automaton.Automaton.ToDot*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_ToDot" data-uid="Lucene.Net.Util.Automaton.Automaton.ToDot">ToDot()</h4>
<div class="markdown level1 summary"><p>Returns <a href="http://www.research.att.com/sw/tools/graphviz/" target="_top">Graphviz Dot</a> representation of this automaton.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual string ToDot()</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.String</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_ToString_" data-uid="Lucene.Net.Util.Automaton.Automaton.ToString*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_ToString" data-uid="Lucene.Net.Util.Automaton.Automaton.ToString">ToString()</h4>
<div class="markdown level1 summary"><p>Returns a string representation of this automaton.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override string ToString()</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.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">System.Object.ToString()</span></div>
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<a id="Lucene_Net_Util_Automaton_Automaton_Union_" data-uid="Lucene.Net.Util.Automaton.Automaton.Union*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Union_Lucene_Net_Util_Automaton_Automaton_" data-uid="Lucene.Net.Util.Automaton.Automaton.Union(Lucene.Net.Util.Automaton.Automaton)">Union(Automaton)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Union_Lucene_Net_Util_Automaton_Automaton_Lucene_Net_Util_Automaton_Automaton_">Union(Automaton, Automaton)</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 Automaton Union(Automaton 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.Util.Automaton.Automaton.html">Automaton</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><a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Util_Automaton_Automaton_Union_" data-uid="Lucene.Net.Util.Automaton.Automaton.Union*"></a>
<h4 id="Lucene_Net_Util_Automaton_Automaton_Union_System_Collections_Generic_ICollection_Lucene_Net_Util_Automaton_Automaton__" data-uid="Lucene.Net.Util.Automaton.Automaton.Union(System.Collections.Generic.ICollection{Lucene.Net.Util.Automaton.Automaton})">Union(ICollection&lt;Automaton&gt;)</h4>
<div class="markdown level1 summary"><p>See <a class="xref" href="Lucene.Net.Util.Automaton.BasicOperations.html#Lucene_Net_Util_Automaton_BasicOperations_Union_System_Collections_Generic_ICollection_Lucene_Net_Util_Automaton_Automaton__">Union(ICollection&lt;Automaton&gt;)</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 Automaton Union(ICollection&lt;Automaton&gt; l)</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.ICollection</span>&lt;<a class="xref" href="Lucene.Net.Util.Automaton.Automaton.html">Automaton</a>&gt;</td>
<td><span class="parametername">l</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.Util.Automaton.Automaton.html">Automaton</a></td>
<td></td>
</tr>
</tbody>
</table>
</article>
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