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| |
| <h1 id="Lucene_Net_Codecs_Bloom_FuzzySet" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet" class="text-break">Class FuzzySet |
| </h1> |
| <div class="markdown level0 summary"><p>A class used to represent a set of many, potentially large, values (e.g. many |
| long strings such as URLs), using a significantly smaller amount of memory. |
| <p> |
| The set is "lossy" in that it cannot definitively state that is does contain |
| a value but it <em>can</em> definitively say if a value is <em>not</em> in |
| the set. It can therefore be used as a Bloom Filter. |
| <p> |
| Another application of the set is that it can be used to perform fuzzy counting because |
| it can estimate reasonably accurately how many unique values are contained in the set. |
| <p> |
| This class is NOT threadsafe. |
| <p> |
| Internally a Bitset is used to record values and once a client has finished recording |
| a stream of values the <a class="xref" href="Lucene.Net.Codecs.Bloom.FuzzySet.html#Lucene_Net_Codecs_Bloom_FuzzySet_Downsize_System_Single_">Downsize(Single)</a> method can be used to create a suitably smaller set that |
| is sized appropriately for the number of values recorded and desired saturation levels. |
| <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">FuzzySet</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.Codecs.Bloom.html">Lucene.Net.Codecs.Bloom</a></h6> |
| <h6><strong>Assembly</strong>: Lucene.Net.Codecs.dll</h6> |
| <h5 id="Lucene_Net_Codecs_Bloom_FuzzySet_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public class FuzzySet</code></pre> |
| </div> |
| <h3 id="fields">Fields |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_VERSION_CURRENT.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.VERSION_CURRENT%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/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L49">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_VERSION_CURRENT" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.VERSION_CURRENT">VERSION_CURRENT</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 static readonly int VERSION_CURRENT</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> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_VERSION_SPI.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.VERSION_SPI%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/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L47">View Source</a> |
| </span> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_VERSION_SPI" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.VERSION_SPI">VERSION_SPI</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 static readonly int VERSION_SPI</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> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_VERSION_START.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.VERSION_START%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> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_VERSION_START" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.VERSION_START">VERSION_START</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 static readonly int VERSION_START</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> |
| <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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_AddValue_Lucene_Net_Util_BytesRef_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.AddValue(Lucene.Net.Util.BytesRef)%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/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L243">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_AddValue_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.AddValue*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_AddValue_Lucene_Net_Util_BytesRef_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.AddValue(Lucene.Net.Util.BytesRef)">AddValue(BytesRef)</h4> |
| <div class="markdown level1 summary"><p>Records a value in the set. The referenced bytes are hashed and then modulo n'd where n is the |
| chosen size of the internal bitset.</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 AddValue(BytesRef value)</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">Lucene.Net.Util.BytesRef</span></td> |
| <td><span class="parametername">value</span></td> |
| <td><p>The Key value to be hashed.</p> |
| </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><span class="xref">System.IO.IOException</span></td> |
| <td><p>If there is a low-level I/O error.</p> |
| </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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_Contains_Lucene_Net_Util_BytesRef_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.Contains(Lucene.Net.Util.BytesRef)%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/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L168">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_Contains_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Contains*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_Contains_Lucene_Net_Util_BytesRef_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Contains(Lucene.Net.Util.BytesRef)">Contains(BytesRef)</h4> |
| <div class="markdown level1 summary"><p>The main method required for a Bloom filter which, given a value determines set membership. |
| Unlike a conventional set, the fuzzy set returns <a class="xref" href="Lucene.Net.Codecs.Bloom.FuzzySet.ContainsResult.html#Lucene_Net_Codecs_Bloom_FuzzySet_ContainsResult_NO">NO</a> or |
| <a class="xref" href="Lucene.Net.Codecs.Bloom.FuzzySet.ContainsResult.html#Lucene_Net_Codecs_Bloom_FuzzySet_ContainsResult_MAYBE">MAYBE</a> rather than <code>true</code> or <code>false</code>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public virtual FuzzySet.ContainsResult Contains(BytesRef value)</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">Lucene.Net.Util.BytesRef</span></td> |
| <td><span class="parametername">value</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.Codecs.Bloom.FuzzySet.ContainsResult.html">FuzzySet.ContainsResult</a></td> |
| <td><a class="xref" href="Lucene.Net.Codecs.Bloom.FuzzySet.ContainsResult.html#Lucene_Net_Codecs_Bloom_FuzzySet_ContainsResult_NO">NO</a> or <a class="xref" href="Lucene.Net.Codecs.Bloom.FuzzySet.ContainsResult.html#Lucene_Net_Codecs_Bloom_FuzzySet_ContainsResult_MAYBE">MAYBE</a></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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_CreateSetBasedOnMaxMemory_System_Int32_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.CreateSetBasedOnMaxMemory(System.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_Codecs_Bloom_FuzzySet_CreateSetBasedOnMaxMemory_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.CreateSetBasedOnMaxMemory*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_CreateSetBasedOnMaxMemory_System_Int32_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.CreateSetBasedOnMaxMemory(System.Int32)">CreateSetBasedOnMaxMemory(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 static FuzzySet CreateSetBasedOnMaxMemory(int maxNumBytes)</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">maxNumBytes</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.Codecs.Bloom.FuzzySet.html">FuzzySet</a></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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_CreateSetBasedOnQuality_System_Int32_System_Single_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.CreateSetBasedOnQuality(System.Int32%2CSystem.Single)%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_Codecs_Bloom_FuzzySet_CreateSetBasedOnQuality_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.CreateSetBasedOnQuality*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_CreateSetBasedOnQuality_System_Int32_System_Single_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.CreateSetBasedOnQuality(System.Int32,System.Single)">CreateSetBasedOnQuality(Int32, Single)</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 static FuzzySet CreateSetBasedOnQuality(int maxNumUniqueValues, float desiredMaxSaturation)</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">maxNumUniqueValues</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Single</span></td> |
| <td><span class="parametername">desiredMaxSaturation</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.Codecs.Bloom.FuzzySet.html">FuzzySet</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_Deserialize_Lucene_Net_Store_DataInput_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.Deserialize(Lucene.Net.Store.DataInput)%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/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L210">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_Deserialize_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Deserialize*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_Deserialize_Lucene_Net_Store_DataInput_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Deserialize(Lucene.Net.Store.DataInput)">Deserialize(DataInput)</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 static FuzzySet Deserialize(DataInput input)</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">Lucene.Net.Store.DataInput</span></td> |
| <td><span class="parametername">input</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.Codecs.Bloom.FuzzySet.html">FuzzySet</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_Downsize_System_Single_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.Downsize(System.Single)%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"> |
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| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_Downsize_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Downsize*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_Downsize_System_Single_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Downsize(System.Single)">Downsize(Single)</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 FuzzySet Downsize(float targetMaxSaturation)</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.Single</span></td> |
| <td><span class="parametername">targetMaxSaturation</span></td> |
| <td><p>A number between 0 and 1 describing the % of bits that would ideally be set in the result. |
| Lower values have better accuracy but require more space.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Codecs.Bloom.FuzzySet.html">FuzzySet</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_GetEstimatedNumberUniqueValuesAllowingForCollisions_System_Int32_System_Int32_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.GetEstimatedNumberUniqueValuesAllowingForCollisions(System.Int32%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> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L311">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_GetEstimatedNumberUniqueValuesAllowingForCollisions_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetEstimatedNumberUniqueValuesAllowingForCollisions*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_GetEstimatedNumberUniqueValuesAllowingForCollisions_System_Int32_System_Int32_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetEstimatedNumberUniqueValuesAllowingForCollisions(System.Int32,System.Int32)">GetEstimatedNumberUniqueValuesAllowingForCollisions(Int32, Int32)</h4> |
| <div class="markdown level1 summary"><p>Given a <code data-dev-comment-type="paramref" class="paramref">setSize</code> and a the number of set bits, produces an estimate of the number of unique values recorded.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static int GetEstimatedNumberUniqueValuesAllowingForCollisions(int setSize, int numRecordedBits)</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">setSize</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td><span class="parametername">numRecordedBits</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.Int32</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_GetEstimatedUniqueValues.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.GetEstimatedUniqueValues%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> |
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| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_GetEstimatedUniqueValues_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetEstimatedUniqueValues*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_GetEstimatedUniqueValues" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetEstimatedUniqueValues">GetEstimatedUniqueValues()</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 int GetEstimatedUniqueValues()</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> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_GetNearestSetSize_System_Int32_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.GetNearestSetSize(System.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> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L105">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_GetNearestSetSize_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetNearestSetSize*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_GetNearestSetSize_System_Int32_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetNearestSetSize(System.Int32)">GetNearestSetSize(Int32)</h4> |
| <div class="markdown level1 summary"><p>Rounds down required <code data-dev-comment-type="paramref" class="paramref">maxNumberOfBits</code> to the nearest number that is made up |
| of all ones as a binary number.<br>Use this method where controlling memory use is paramount.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static int GetNearestSetSize(int maxNumberOfBits)</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">maxNumberOfBits</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.Int32</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_GetNearestSetSize_System_Int32_System_Single_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.GetNearestSetSize(System.Int32%2CSystem.Single)%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/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L125">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_GetNearestSetSize_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetNearestSetSize*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_GetNearestSetSize_System_Int32_System_Single_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetNearestSetSize(System.Int32,System.Single)">GetNearestSetSize(Int32, Single)</h4> |
| <div class="markdown level1 summary"><p>Use this method to choose a set size where accuracy (low content saturation) is more important |
| than deciding how much memory to throw at the problem.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static int GetNearestSetSize(int maxNumberOfValuesExpected, float desiredSaturation)</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">maxNumberOfValuesExpected</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Single</span></td> |
| <td><span class="parametername">desiredSaturation</span></td> |
| <td><p>A number between 0 and 1 expressing the % of bits set once all values have been recorded.</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.Int32</span></td> |
| <td><p>The size of the set nearest to the required size.</p> |
| </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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_GetSaturation.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.GetSaturation%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> |
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| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L321">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_GetSaturation_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetSaturation*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_GetSaturation" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.GetSaturation">GetSaturation()</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 float GetSaturation()</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.Single</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-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_HashFunctionForVersion_System_Int32_.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.HashFunctionForVersion(System.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> |
| </span> |
| <span class="small pull-right mobile-hide"> |
| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L51">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_HashFunctionForVersion_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.HashFunctionForVersion*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_HashFunctionForVersion_System_Int32_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.HashFunctionForVersion(System.Int32)">HashFunctionForVersion(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 static HashFunction HashFunctionForVersion(int version)</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">version</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.Codecs.Bloom.HashFunction.html">HashFunction</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Codecs_Bloom_FuzzySet_RamBytesUsed.md&value=---%0Auid%3A%20Lucene.Net.Codecs.Bloom.FuzzySet.RamBytesUsed%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_Codecs_Bloom_FuzzySet_RamBytesUsed_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.RamBytesUsed*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_RamBytesUsed" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.RamBytesUsed">RamBytesUsed()</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 long RamBytesUsed()</code></pre> |
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| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
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| <tbody> |
| <tr> |
| <td><span class="xref">System.Int64</span></td> |
| <td></td> |
| </tr> |
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| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Codecs/Bloom/FuzzySet.cs/#L196">View Source</a> |
| </span> |
| <a id="Lucene_Net_Codecs_Bloom_FuzzySet_Serialize_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Serialize*"></a> |
| <h4 id="Lucene_Net_Codecs_Bloom_FuzzySet_Serialize_Lucene_Net_Store_DataOutput_" data-uid="Lucene.Net.Codecs.Bloom.FuzzySet.Serialize(Lucene.Net.Store.DataOutput)">Serialize(DataOutput)</h4> |
| <div class="markdown level1 summary"><p>Serializes the data set to file using the following format: |
| <ul><li>FuzzySet -->FuzzySetVersion,HashFunctionName,BloomSize, |
| NumBitSetWords,BitSetWord<sup>NumBitSetWords</sup></li><li>HashFunctionName --> String (<span class="xref">Lucene.Net.Store.DataOutput.WriteString(System.String)</span>) The |
| name of a ServiceProvider registered <a class="xref" href="Lucene.Net.Codecs.Bloom.HashFunction.html">HashFunction</a></li><li>FuzzySetVersion --> Uint32 (<span class="xref">Lucene.Net.Store.DataOutput.WriteInt32(System.Int32)</span>) The version number of the <a class="xref" href="Lucene.Net.Codecs.Bloom.FuzzySet.html">FuzzySet</a> class</li><li>BloomSize --> Uint32 (<span class="xref">Lucene.Net.Store.DataOutput.WriteInt32(System.Int32)</span>) The modulo value used |
| to project hashes into the field's Bitset</li><li>NumBitSetWords --> Uint32 (<span class="xref">Lucene.Net.Store.DataOutput.WriteInt32(System.Int32)</span>) The number of |
| longs (as returned from <span class="xref">Lucene.Net.Util.FixedBitSet.GetBits</span>)</li><li>BitSetWord --> Long (<span class="xref">Lucene.Net.Store.DataOutput.WriteInt64(System.Int64)</span>) A long from the array |
| returned by <span class="xref">Lucene.Net.Util.FixedBitSet.GetBits</span></li></ul></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 Serialize(DataOutput output)</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">Lucene.Net.Store.DataOutput</span></td> |
| <td><span class="parametername">output</span></td> |
| <td><p>Data output stream.</p> |
| </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><span class="xref">System.IO.IOException</span></td> |
| <td><p>If there is a low-level I/O error.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </article> |
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