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| <h1 id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete" data-uid="Lucene.Net.Search.Suggest.Tst.TSTAutocomplete" class="text-break">Class TSTAutocomplete |
| </h1> |
| <div class="markdown level0 summary"><p>Ternary Search Trie implementation.</p> |
| </div> |
| <div class="markdown level0 conceptual"></div> |
| <div class="inheritance"> |
| <h5>Inheritance</h5> |
| <div class="level0"><span class="xref">System.Object</span></div> |
| <div class="level1"><span class="xref">TSTAutocomplete</span></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object)</span> |
| </div> |
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| <span class="xref">System.Object.ToString()</span> |
| </div> |
| </div> |
| <h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.Search.Suggest.Tst.html">Lucene.Net.Search.Suggest.Tst</a></h6> |
| <h6><strong>Assembly</strong>: Lucene.Net.Suggest.dll</h6> |
| <h5 id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public class TSTAutocomplete</code></pre> |
| </div> |
| <h3 id="methods">Methods |
| </h3> |
| <span class="small pull-right mobile-hide"> |
| <span class="divider">|</span> |
| <a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_BalancedTree_System_Object___System_Object___System_Int32_System_Int32_Lucene_Net_Search_Suggest_Tst_TernaryTreeNode_.md&value=---%0Auid%3A%20Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.BalancedTree(System.Object%5B%5D%2CSystem.Object%5B%5D%2CSystem.Int32%2CSystem.Int32%2CLucene.Net.Search.Suggest.Tst.TernaryTreeNode)%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.Suggest/Suggest/Tst/TSTAutocomplete.cs/#L46">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_BalancedTree_" data-uid="Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.BalancedTree*"></a> |
| <h4 id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_BalancedTree_System_Object___System_Object___System_Int32_System_Int32_Lucene_Net_Search_Suggest_Tst_TernaryTreeNode_" data-uid="Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.BalancedTree(System.Object[],System.Object[],System.Int32,System.Int32,Lucene.Net.Search.Suggest.Tst.TernaryTreeNode)">BalancedTree(Object[], Object[], Int32, Int32, TernaryTreeNode)</h4> |
| <div class="markdown level1 summary"><p>Inserting keys in TST in the order middle,small,big (lexicographic measure) |
| recursively creates a balanced tree which reduces insertion and search |
| times significantly.</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 BalancedTree(object[] tokens, object[] vals, int lo, int hi, TernaryTreeNode root)</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">tokens</span></td> |
| <td><p>Sorted list of keys to be inserted in TST. </p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Object</span>[]</td> |
| <td><span class="parametername">vals</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td><span class="parametername">lo</span></td> |
| <td><p>stores the lower index of current list. </p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td><span class="parametername">hi</span></td> |
| <td><p>stores the higher index of current list. </p> |
| </td> |
| </tr> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Search.Suggest.Tst.TernaryTreeNode.html">TernaryTreeNode</a></td> |
| <td><span class="parametername">root</span></td> |
| <td><p>a reference object to root of TST. </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_Search_Suggest_Tst_TSTAutocomplete_Insert_Lucene_Net_Search_Suggest_Tst_TernaryTreeNode_System_String_System_Object_System_Int32_.md&value=---%0Auid%3A%20Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.Insert(Lucene.Net.Search.Suggest.Tst.TernaryTreeNode%2CSystem.String%2CSystem.Object%2CSystem.Int32)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a> |
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| <a href="https://github.com/NightOwl888/lucenenet/blob/release/Lucene.Net_4_8_0_beta00010/src/Lucene.Net.Suggest/Suggest/Tst/TSTAutocomplete.cs/#L70">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_Insert_" data-uid="Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.Insert*"></a> |
| <h4 id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_Insert_Lucene_Net_Search_Suggest_Tst_TernaryTreeNode_System_String_System_Object_System_Int32_" data-uid="Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.Insert(Lucene.Net.Search.Suggest.Tst.TernaryTreeNode,System.String,System.Object,System.Int32)">Insert(TernaryTreeNode, String, Object, Int32)</h4> |
| <div class="markdown level1 summary"><p>Inserts a key in TST creating a series of Binary Search Trees at each node. |
| The key is actually stored across the eqKid of each node in a successive |
| manner.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public virtual TernaryTreeNode Insert(TernaryTreeNode currentNode, string s, object val, int x)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Search.Suggest.Tst.TernaryTreeNode.html">TernaryTreeNode</a></td> |
| <td><span class="parametername">currentNode</span></td> |
| <td><p>a reference node where the insertion will take currently. </p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.String</span></td> |
| <td><span class="parametername">s</span></td> |
| <td><p>key to be inserted in TST. </p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Object</span></td> |
| <td><span class="parametername">val</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td><span class="parametername">x</span></td> |
| <td><p>index of character in key to be inserted currently. </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.Search.Suggest.Tst.TernaryTreeNode.html">TernaryTreeNode</a></td> |
| <td><p>The new reference to root node of TST </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_Search_Suggest_Tst_TSTAutocomplete_PrefixCompletion_Lucene_Net_Search_Suggest_Tst_TernaryTreeNode_System_String_System_Int32_.md&value=---%0Auid%3A%20Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.PrefixCompletion(Lucene.Net.Search.Suggest.Tst.TernaryTreeNode%2CSystem.String%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.Suggest/Suggest/Tst/TSTAutocomplete.cs/#L129">View Source</a> |
| </span> |
| <a id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_PrefixCompletion_" data-uid="Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.PrefixCompletion*"></a> |
| <h4 id="Lucene_Net_Search_Suggest_Tst_TSTAutocomplete_PrefixCompletion_Lucene_Net_Search_Suggest_Tst_TernaryTreeNode_System_String_System_Int32_" data-uid="Lucene.Net.Search.Suggest.Tst.TSTAutocomplete.PrefixCompletion(Lucene.Net.Search.Suggest.Tst.TernaryTreeNode,System.String,System.Int32)">PrefixCompletion(TernaryTreeNode, String, Int32)</h4> |
| <div class="markdown level1 summary"><p>Auto-completes a given prefix query using Depth-First Search with the end |
| of prefix as source node each time finding a new leaf to get a complete key |
| to be added in the suggest list.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public virtual IList<TernaryTreeNode> PrefixCompletion(TernaryTreeNode root, string s, int x)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Search.Suggest.Tst.TernaryTreeNode.html">TernaryTreeNode</a></td> |
| <td><span class="parametername">root</span></td> |
| <td><p>a reference to root node of TST. </p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.String</span></td> |
| <td><span class="parametername">s</span></td> |
| <td><p>prefix query to be auto-completed. </p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td><span class="parametername">x</span></td> |
| <td><p>index of current character to be searched while traversing through |
| the prefix in TST. </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.Collections.Generic.IList</span><<a class="xref" href="Lucene.Net.Search.Suggest.Tst.TernaryTreeNode.html">TernaryTreeNode</a>></td> |
| <td><p>suggest list of auto-completed keys for the given prefix query. </p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="seealso">See Also</h3> |
| <div class="seealso"> |
| <div><a class="xref" href="Lucene.Net.Search.Suggest.Tst.TernaryTreeNode.html">TernaryTreeNode</a></div> |
| </div> |
| </article> |
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