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| <h1 id="Lucene_Net_QueryParsers_Flexible_Core_Util_QueryNodeOperation" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Util.QueryNodeOperation" class="text-break">Class QueryNodeOperation |
| </h1> |
| <div class="markdown level0 summary"><p>Allow joining 2 QueryNode Trees, into one.</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">QueryNodeOperation</span></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object)</span> |
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| <h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Util.html">Lucene.Net.QueryParsers.Flexible.Core.Util</a></h6> |
| <h6><strong>Assembly</strong>: Lucene.Net.QueryParser.dll</h6> |
| <h5 id="Lucene_Net_QueryParsers_Flexible_Core_Util_QueryNodeOperation_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public sealed class QueryNodeOperation</code></pre> |
| </div> |
| <h3 id="methods">Methods |
| </h3> |
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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_QueryParsers_Flexible_Core_Util_QueryNodeOperation_LogicalAnd_Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode_Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode_.md&value=---%0Auid%3A%20Lucene.Net.QueryParsers.Flexible.Core.Util.QueryNodeOperation.LogicalAnd(Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode%2CLucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode)%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.QueryParser/Flexible/Core/Util/QueryNodeOperation.cs/#L47">View Source</a> |
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| <a id="Lucene_Net_QueryParsers_Flexible_Core_Util_QueryNodeOperation_LogicalAnd_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Util.QueryNodeOperation.LogicalAnd*"></a> |
| <h4 id="Lucene_Net_QueryParsers_Flexible_Core_Util_QueryNodeOperation_LogicalAnd_Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode_Lucene_Net_QueryParsers_Flexible_Core_Nodes_IQueryNode_" data-uid="Lucene.Net.QueryParsers.Flexible.Core.Util.QueryNodeOperation.LogicalAnd(Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode,Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode)">LogicalAnd(IQueryNode, IQueryNode)</h4> |
| <div class="markdown level1 summary"><p>perform a logical and of 2 QueryNode trees. if q1 and q2 are ANDQueryNode |
| nodes it uses head Node from q1 and adds the children of q2 to q1 if q1 is |
| a AND node and q2 is not, add q2 as a child of the head node of q1 if q2 is |
| a AND node and q1 is not, add q1 as a child of the head node of q2 if q1 |
| and q2 are not ANDQueryNode nodes, create a AND node and make q1 and q2 |
| children of that node if q1 or q2 is null it returns the not null node if |
| q1 = q2 = null it returns null</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public static IQueryNode LogicalAnd(IQueryNode q1, IQueryNode q2)</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.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></td> |
| <td><span class="parametername">q1</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></td> |
| <td><span class="parametername">q2</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.QueryParsers.Flexible.Core.Nodes.IQueryNode.html">IQueryNode</a></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| </article> |
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