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22 lines
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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>AssociativeAttribute Class</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="AssociativeAttribute class" /><meta name="System.Keywords" content="Microsoft.Research.DryadLinq.AssociativeAttribute class" /><meta name="System.Keywords" content="AssociativeAttribute class, about AssociativeAttribute class" /><meta name="Microsoft.Help.F1" content="Microsoft.Research.DryadLinq.AssociativeAttribute" /><meta name="Microsoft.Help.Id" content="T:Microsoft.Research.DryadLinq.AssociativeAttribute" /><meta name="Description" content="Indicates that a method is an associative aggregation method. The argument to the constructor must be of type IAssociative." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="Microsoft.Research.DryadLinq" /><meta name="file" content="d3237c01-5085-45a9-fa72-8e489a9bf480" /><meta name="guid" content="d3237c01-5085-45a9-fa72-8e489a9bf480" /></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">AssociativeAttribute Class</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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Indicates that a method is an associative aggregation method. The argument to the
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constructor must be of type IAssociative. The computation of the method annotated
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by this attribute can be decomposed to a sequence of calls to the Seed and
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RecursiveAccumulate methods.
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</div><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Inheritance Hierarchy</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">System<span id="LST8B0C0DA7_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST8B0C0DA7_0?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Object</a><br /> <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">System<span id="LST8B0C0DA7_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST8B0C0DA7_1?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Attribute</a><br /> <span class="selflink">Microsoft.Research.DryadLinq<span id="LST8B0C0DA7_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST8B0C0DA7_2?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>AssociativeAttribute</span><br /><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="keyword">sealed</span> <span class="keyword">class</span> <span class="identifier">AssociativeAttribute</span> : <span class="identifier">Attribute</span></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">NotInheritable</span> <span class="keyword">Class</span> <span class="identifier">AssociativeAttribute</span>
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<span class="keyword">Inherits</span> <span class="identifier">Attribute</span></pre></div><div id="ID0ECCA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">ref class</span> <span class="identifier">AssociativeAttribute</span> <span class="keyword">sealed</span> : <span class="keyword">public</span> <span class="identifier">Attribute</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0ECCA");</script><p>The <span class="selflink">AssociativeAttribute</span> type exposes the following members.</p><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Constructors</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="d983b9ab-497d-ab70-c9a7-6a7deba87eeb.htm">AssociativeAttribute</a></td><td><div class="summary">
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Initializes an instance of AssociativeAttribute. The argument is a type that implements
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<a href="8ac439be-5f1e-cce5-eea2-11de7aa46929.htm">IAssociative<span id="LST8B0C0DA7_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST8B0C0DA7_3?cs=<|vb=(Of |cpp=<|nu=(|fs=<'");</script>TAccumulate<span id="LST8B0C0DA7_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST8B0C0DA7_4?cs=>|vb=)|cpp=>|nu=)|fs=>");</script></a>.
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</div></td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Methods</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/09ds241w" target="_blank">Equals</a></td><td><div class="summary">Returns a value that indicates whether this instance is equal to a specified object.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/365e1bxs" target="_blank">GetHashCode</a></td><td><div class="summary">Returns the hash code for this instance.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/tbkb5x6t" target="_blank">IsDefaultAttribute</a></td><td><div class="summary">When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/wy7chz44" target="_blank">Match</a></td><td><div class="summary">When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/7bxwbwt2" target="_blank">ToString</a></td><td><div class="summary">Returns a string that represents the current object.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Properties</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="daef2faf-6f9e-bfd4-710b-d0a00af66587.htm">AssociativeType</a></td><td><div class="summary">
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A type that implements IAssociative{T} where T is the output type of methods
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that are decorated with this attribute.
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</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/sa1bf03e" target="_blank">TypeId</a></td><td><div class="summary">When implemented in a derived class, gets a unique identifier for this <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr></table><a href="#mainBody">Top</a><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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If a method is associative, a user can annotate it with this attribute. This enables
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DryadLINQ to perform the "combiner" optimization.
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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="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> |