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<html><head><meta http-equiv="X-UA-Compatible" content="IE=edge" /><link rel="shortcut icon" href="../icons/favicon.ico" /><style type="text/css">.OH_CodeSnippetContainerTabLeftActive, .OH_CodeSnippetContainerTabLeft,.OH_CodeSnippetContainerTabLeftDisabled { }.OH_CodeSnippetContainerTabRightActive, .OH_CodeSnippetContainerTabRight,.OH_CodeSnippetContainerTabRightDisabled { }.OH_footer { }</style><link rel="stylesheet" type="text/css" href="../styles/branding.css" /><link rel="stylesheet" type="text/css" href="../styles/branding-en-US.css" /><script type="text/javascript" src="../scripts/branding.js"> </script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>DryadLinqContext.FromEnumerable(T) Method </title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="FromEnumerable%3CT%3E method" /><meta name="System.Keywords" content="FromEnumerable(Of T) method" /><meta name="System.Keywords" content="DryadLinqContext.FromEnumerable%3CT%3E method" /><meta name="System.Keywords" content="DryadLinqContext.FromEnumerable(Of T) method" /><meta name="Microsoft.Help.F1" content="Microsoft.Research.DryadLinq.DryadLinqContext.FromEnumerable``1" /><meta name="Microsoft.Help.Id" content="M:Microsoft.Research.DryadLinq.DryadLinqContext.FromEnumerable``1(System.Collections.Generic.IEnumerable{``0},System.Linq.Expressions.Expression{System.Action{System.Collections.Generic.IEnumerable{``0},System.IO.Stream}},System.Linq.Expressions.Expression{System.Func{System.IO.Stream,System.Collections.Generic.IEnumerable{``0}}})" /><meta name="Description" content="Converts an IEnumerable{T} to a DryadLinq specialized IQueryable{T}." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="Microsoft.Research.DryadLinq" /><meta name="file" content="518c1277-e80e-5fdc-3db7-c7270e465f9f" /><meta name="guid" content="518c1277-e80e-5fdc-3db7-c7270e465f9f" /></head><body onload="OnLoad('cs')"><input type="hidden" id="userDataCache" class="userDataStyle" /><div class="OH_outerDiv"><div class="OH_outerContent"><table class="TitleTable"><tr><td class="OH_tdTitleColumn">DryadLinqContext<span id="LST92A6F28_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_0?cpp=::|nu=.");</script>FromEnumerable<span id="LST92A6F28_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_1?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><span class="typeparameter">T</span><span id="LST92A6F28_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_2?cs=>|vb=)|cpp=>|fs=>|nu=)");</script> Method </td><td class="OH_tdRunningTitleColumn">DryadLINQ documentation</td></tr></table><div id="mainSection"><div id="mainBody"><span class="introStyle"></span><div class="summary">
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Converts an IEnumerable{T} to a DryadLinq specialized IQueryable{T}.
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</div><p> </p><strong>Namespace:</strong> <a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm">Microsoft.Research.DryadLinq</a><br /><strong>Assembly:</strong> Microsoft.Research.DryadLinq (in Microsoft.Research.DryadLinq.dll) Version: 0.2.1.0 (0.2.1.0)<div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Syntax</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><div class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs"><div class="OH_CodeSnippetContainerTabLeft" id="ID0ECCA_tabimgleft"> </div><div id="ID0ECCA_tab1" class="OH_CodeSnippetContainerTabFirst"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','cs','1','3');return false;">C#</a></div><div id="ID0ECCA_tab2" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','vb','2','3');return false;">VB</a></div><div id="ID0ECCA_tab3" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','cpp','3','3');return false;">C++</a></div><div class="OH_CodeSnippetContainerTabRight" id="ID0ECCA_tabimgright"> </div></div><div class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0ECCA_copyCode" href="#" onclick="javascript:CopyToClipboard('ID0ECCA');return false;" title="Copy">Copy</a></div></div><div id="ID0ECCA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="keyword">public</span> <span class="identifier">IQueryable</span><T> <span class="identifier">FromEnumerable</span><T>(
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<span class="identifier">IEnumerable</span><T> <span class="parameter">data</span>,
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<span class="identifier">Expression</span><<span class="identifier">Action</span><<span class="identifier">IEnumerable</span><T>, <span class="identifier">Stream</span>>> <span class="parameter">serializer</span> = <span class="keyword">null</span>,
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<span class="identifier">Expression</span><<span class="identifier">Func</span><<span class="identifier">Stream</span>, <span class="identifier">IEnumerable</span><T>>> <span class="parameter">deserializer</span> = <span class="keyword">null</span>
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)
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</pre></div><div id="ID0ECCA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Function</span> <span class="identifier">FromEnumerable</span>(<span class="keyword">Of</span> T) (
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<span class="parameter">data</span> <span class="keyword">As</span> <span class="identifier">IEnumerable</span>(<span class="keyword">Of</span> T),
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Optional <span class="parameter">serializer</span> <span class="keyword">As</span> <span class="identifier">Expression</span>(<span class="keyword">Of</span> <span class="identifier">Action</span>(<span class="keyword">Of</span> <span class="identifier">IEnumerable</span>(<span class="keyword">Of</span> T), <span class="identifier">Stream</span>)) = <span class="keyword">Nothing</span>,
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Optional <span class="parameter">deserializer</span> <span class="keyword">As</span> <span class="identifier">Expression</span>(<span class="keyword">Of</span> <span class="identifier">Func</span>(<span class="keyword">Of</span> <span class="identifier">Stream</span>, <span class="identifier">IEnumerable</span>(<span class="keyword">Of</span> T))) = <span class="keyword">Nothing</span>
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) <span class="keyword">As</span> <span class="identifier">IQueryable</span>(<span class="keyword">Of</span> T)</pre></div><div id="ID0ECCA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span>:
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<span class="keyword">generic</span><<span class="keyword">typename</span> T>
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<span class="identifier">IQueryable</span><T>^ <span class="identifier">FromEnumerable</span>(
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<span class="identifier">IEnumerable</span><T>^ <span class="parameter">data</span>,
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<span class="identifier">Expression</span><<span class="identifier">Action</span><<span class="identifier">IEnumerable</span><T>^, <span class="identifier">Stream</span>^>^>^ <span class="parameter">serializer</span> = <span class="keyword">nullptr</span>,
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<span class="identifier">Expression</span><<span class="identifier">Func</span><<span class="identifier">Stream</span>^, <span class="identifier">IEnumerable</span><T>^>^>^ <span class="parameter">deserializer</span> = <span class="keyword">nullptr</span>
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)</pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0ECCA");</script><h4 class="subHeading">Parameters</h4><dl><dt><span class="parameter">data</span></dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/9eekhta0" target="_blank">System.Collections.Generic<span id="LST92A6F28_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_3?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>IEnumerable</a><span id="LST92A6F28_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_4?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><span class="selflink"><span class="typeparameter">T</span></span><span id="LST92A6F28_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_5?cs=>|vb=)|cpp=>|fs=>|nu=)");</script><br />The source data.</dd><dt><span class="parameter">serializer</span> (Optional)</dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/bb335710" target="_blank">System.Linq.Expressions<span id="LST92A6F28_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_6?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Expression</a><span id="LST92A6F28_7"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_7?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><a href="http://msdn2.microsoft.com/en-us/library/bb549311" target="_blank">Action</a><span id="LST92A6F28_8"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_8?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><a href="http://msdn2.microsoft.com/en-us/library/9eekhta0" target="_blank">IEnumerable</a><span id="LST92A6F28_9"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_9?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><span class="selflink"><span class="typeparameter">T</span></span><span id="LST92A6F28_10"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_10?cs=>|vb=)|cpp=>|fs=>|nu=)");</script>, <a href="http://msdn2.microsoft.com/en-us/library/8f86tw9e" target="_blank">Stream</a><span id="LST92A6F28_11"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_11?cs=>|vb=)|cpp=>|fs=>|nu=)");</script><span id="LST92A6F28_12"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_12?cs=>|vb=)|cpp=>|fs=>|nu=)");</script><br />An optional stream-based serializer</dd><dt><span class="parameter">deserializer</span> (Optional)</dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/bb335710" target="_blank">System.Linq.Expressions<span id="LST92A6F28_13"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_13?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Expression</a><span id="LST92A6F28_14"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_14?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><a href="http://msdn2.microsoft.com/en-us/library/bb549151" target="_blank">Func</a><span id="LST92A6F28_15"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_15?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><a href="http://msdn2.microsoft.com/en-us/library/8f86tw9e" target="_blank">Stream</a>, <a href="http://msdn2.microsoft.com/en-us/library/9eekhta0" target="_blank">IEnumerable</a><span id="LST92A6F28_16"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_16?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><span class="selflink"><span class="typeparameter">T</span></span><span id="LST92A6F28_17"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_17?cs=>|vb=)|cpp=>|fs=>|nu=)");</script><span id="LST92A6F28_18"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_18?cs=>|vb=)|cpp=>|fs=>|nu=)");</script><span id="LST92A6F28_19"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_19?cs=>|vb=)|cpp=>|fs=>|nu=)");</script><br />An optional stream-based deserializer</dd></dl><h4 class="subHeading">Type Parameters</h4><dl><dt><span class="parameter">T</span></dt><dd>The type of the records in the table.</dd></dl><h4 class="subHeading">Return Value</h4>Type: <a href="http://msdn2.microsoft.com/en-us/library/bb351562" target="_blank">IQueryable</a><span id="LST92A6F28_20"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_20?cs=<|vb=(Of |cpp=<|fs=<'|nu=(");</script><span class="selflink"><span class="typeparameter">T</span></span><span id="LST92A6F28_21"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST92A6F28_21?cs=>|vb=)|cpp=>|fs=>|nu=)");</script><br />An IQueryable{T} representing the data with DryadLinq query provider.<div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Remarks</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div>
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The source data will be serialized to a temp stream.
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The resulting fileset has an auto-generated name and a temporary lease.
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<div class="OH_CollapsibleAreaRegion" id="seeAlsoSection"><div class="OH_regiontitle">See Also</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><h4 class="subHeading">Reference</h4><div class="seeAlsoStyle"><a href="093a0025-a8c4-d1e2-a289-d3863b1a845f.htm">DryadLinqContext Class</a></div><div class="seeAlsoStyle"><a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm">Microsoft.Research.DryadLinq Namespace</a></div></div></div></div></div><div id="OH_footer" class="OH_footer"> </div></body></html> |