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| <h1 id="Lucene_Net_Expressions_SimpleBindings" data-uid="Lucene.Net.Expressions.SimpleBindings" class="text-break">Class SimpleBindings |
| </h1> |
| <div class="markdown level0 summary"><p>Simple class that binds expression variable names to |
| <span class="xref">Lucene.Net.Search.SortField</span>s or other |
| <a class="xref" href="Lucene.Net.Expressions.Expression.html">Expression</a>s. |
| <p> |
| Example usage:</p> |
| <pre><code>SimpleBindings bindings = new SimpleBindings(); |
| // document's text relevance score |
| bindings.Add(new SortField("_score", SortFieldType.SCORE)); |
| // integer NumericDocValues field (or from FieldCache) |
| bindings.Add(new SortField("popularity", SortFieldType.INT)); |
| // another expression |
| bindings.Add("recency", myRecencyExpression); |
| // create a sort field in reverse order |
| Sort sort = new Sort(expr.GetSortField(bindings, true));</code></pre> |
| <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"><a class="xref" href="Lucene.Net.Expressions.Bindings.html">Bindings</a></div> |
| <div class="level2"><span class="xref">SimpleBindings</span></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <a class="xref" href="Lucene.Net.Expressions.Bindings.html#Lucene_Net_Expressions_Bindings_GetScoreValueSource">Bindings.GetScoreValueSource()</a> |
| </div> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object)</span> |
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| </div> |
| <div> |
| <span class="xref">System.Object.ToString()</span> |
| </div> |
| </div> |
| <h6><strong>Namespace</strong>: <a class="xref" href="overview.html">Lucene.Net.Expressions</a></h6> |
| <h6><strong>Assembly</strong>: Lucene.Net.Expressions.dll</h6> |
| <h5 id="Lucene_Net_Expressions_SimpleBindings_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public sealed class SimpleBindings : Bindings</code></pre> |
| </div> |
| <h3 id="constructors">Constructors |
| </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_Expressions_SimpleBindings__ctor.md&value=---%0Auid%3A%20Lucene.Net.Expressions.SimpleBindings.%23ctor%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_Expressions_SimpleBindings__ctor_" data-uid="Lucene.Net.Expressions.SimpleBindings.#ctor*"></a> |
| <h4 id="Lucene_Net_Expressions_SimpleBindings__ctor" data-uid="Lucene.Net.Expressions.SimpleBindings.#ctor">SimpleBindings()</h4> |
| <div class="markdown level1 summary"><p>Creates a new empty <a class="xref" href="Lucene.Net.Expressions.Bindings.html">Bindings</a></p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public SimpleBindings()</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_Expressions_SimpleBindings_Add_Lucene_Net_Search_SortField_.md&value=---%0Auid%3A%20Lucene.Net.Expressions.SimpleBindings.Add(Lucene.Net.Search.SortField)%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_Expressions_SimpleBindings_Add_" data-uid="Lucene.Net.Expressions.SimpleBindings.Add*"></a> |
| <h4 id="Lucene_Net_Expressions_SimpleBindings_Add_Lucene_Net_Search_SortField_" data-uid="Lucene.Net.Expressions.SimpleBindings.Add(Lucene.Net.Search.SortField)">Add(SortField)</h4> |
| <div class="markdown level1 summary"><p>Adds a <span class="xref">Lucene.Net.Search.SortField</span> to the bindings.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public void Add(SortField sortField)</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.Search.SortField</span></td> |
| <td><span class="parametername">sortField</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 id="Lucene_Net_Expressions_SimpleBindings_Add_Lucene_Net_Search_SortField__remarks">Remarks</h5> |
| <div class="markdown level1 remarks"><p>Adds a <span class="xref">Lucene.Net.Search.SortField</span> to the bindings. |
| <p> |
| This can be used to reference a DocValuesField, a field from |
| FieldCache, the document's score, etc.</p> |
| </div> |
| <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_Expressions_SimpleBindings_Add_System_String_Lucene_Net_Expressions_Expression_.md&value=---%0Auid%3A%20Lucene.Net.Expressions.SimpleBindings.Add(System.String%2CLucene.Net.Expressions.Expression)%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_Expressions_SimpleBindings_Add_" data-uid="Lucene.Net.Expressions.SimpleBindings.Add*"></a> |
| <h4 id="Lucene_Net_Expressions_SimpleBindings_Add_System_String_Lucene_Net_Expressions_Expression_" data-uid="Lucene.Net.Expressions.SimpleBindings.Add(System.String,Lucene.Net.Expressions.Expression)">Add(String, Expression)</h4> |
| <div class="markdown level1 summary"><p>Adds an <a class="xref" href="Lucene.Net.Expressions.Expression.html">Expression</a> to the bindings.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public void Add(string name, Expression expression)</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.String</span></td> |
| <td><span class="parametername">name</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><a class="xref" href="Lucene.Net.Expressions.Expression.html">Expression</a></td> |
| <td><span class="parametername">expression</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 id="Lucene_Net_Expressions_SimpleBindings_Add_System_String_Lucene_Net_Expressions_Expression__remarks">Remarks</h5> |
| <div class="markdown level1 remarks"><p>Adds an <a class="xref" href="Lucene.Net.Expressions.Expression.html">Expression</a> to the bindings. |
| <p> |
| This can be used to reference expressions from other expressions.</p> |
| </div> |
| <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_Expressions_SimpleBindings_GetValueSource_System_String_.md&value=---%0Auid%3A%20Lucene.Net.Expressions.SimpleBindings.GetValueSource(System.String)%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_Expressions_SimpleBindings_GetValueSource_" data-uid="Lucene.Net.Expressions.SimpleBindings.GetValueSource*"></a> |
| <h4 id="Lucene_Net_Expressions_SimpleBindings_GetValueSource_System_String_" data-uid="Lucene.Net.Expressions.SimpleBindings.GetValueSource(System.String)">GetValueSource(String)</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 ValueSource GetValueSource(string name)</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.String</span></td> |
| <td><span class="parametername">name</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">Lucene.Net.Queries.Function.ValueSource</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="overrides">Overrides</h5> |
| <div><a class="xref" href="Lucene.Net.Expressions.Bindings.html#Lucene_Net_Expressions_Bindings_GetValueSource_System_String_">Bindings.GetValueSource(String)</a></div> |
| <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_Expressions_SimpleBindings_Validate.md&value=---%0Auid%3A%20Lucene.Net.Expressions.SimpleBindings.Validate%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_Expressions_SimpleBindings_Validate_" data-uid="Lucene.Net.Expressions.SimpleBindings.Validate*"></a> |
| <h4 id="Lucene_Net_Expressions_SimpleBindings_Validate" data-uid="Lucene.Net.Expressions.SimpleBindings.Validate">Validate()</h4> |
| <div class="markdown level1 summary"><p>Traverses the graph of bindings, checking there are no cycles or missing references</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public void Validate()</code></pre> |
| </div> |
| <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.ArgumentException</span></td> |
| <td><p>if the bindings is inconsistent</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </article> |
| </div> |
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