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57 lines
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</style><script src="./../scripts/branding.js" type="text/javascript"><!----></script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>DataProvider Class</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="DataProvider class" /><meta name="System.Keywords" content="Microsoft.Research.DryadLinq.DataProvider class" /><meta name="System.Keywords" content="DataProvider class, about DataProvider class" /><meta name="Microsoft.Help.F1" content="Microsoft.Research.DryadLinq.DataProvider" /><meta name="Microsoft.Help.Id" content="T:Microsoft.Research.DryadLinq.DataProvider" /><meta name="Description" content="DataProvider provides an abstraction for different data backends. New data storage backends could be added by subclassing this class." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="'true'" /><meta name="container" content="Microsoft.Research.DryadLinq" /><meta name="file" content="e30d9823-523d-4504-b321-4c990c768d6d" /><meta name="guid" content="e30d9823-523d-4504-b321-4c990c768d6d" /><meta name="SelfBranded" content="true" /></head><body onload="onLoad()" class="primary-mtps-offline-document"><div class="OH_outerDiv"><div class="OH_outerContent"><table class="TitleTable"><tr><td class="OH_tdTitleColumn">DataProvider 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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DataProvider provides an abstraction for different data backends. New data storage backends
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could be added by subclassing this class.
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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="ID0EBEQAAAAA"> </span><script type="text/javascript">
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</script>Object</a><br /> <span class="selflink">Microsoft.Research.DryadLinq<span id="ID0EBBQAAAAA"> </span><script type="text/javascript">
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</script>DataProvider</span><br /><p></p><strong>Namespace:</strong> <a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm" target="">Microsoft.Research.DryadLinq</a><br /><strong>Assembly:</strong> <span sdata="assembly">Microsoft.Research.DryadLinq</span> (in Microsoft.Research.DryadLinq.dll) Version: 0.1.2.0 (0.1.2.0)<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 id="snippetGroup_Syntax" class="code"><div id="ID0ECAGAAAAA" class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs" id="ID0ECAGAAAAA_tabs"><div class="OH_CodeSnippetContainerTabLeftActive" id="ID0ECAGAAAAA_tabimgleft"></div><div id="ID0ECAGAAAAA_tab1" class="OH_CodeSnippetContainerTabActive" EnableCopyCode="true"><a href="#" onclick="javascript:ChangeTab('ID0ECAGAAAAA','C#','1','4');return false;">C#</a></div><div id="ID0ECAGAAAAA_tab2" class="OH_CodeSnippetContainerTab" EnableCopyCode="true"><a href="#" onclick="javascript:ChangeTab('ID0ECAGAAAAA','Visual Basic','2','4');return false;">VB</a></div><div id="ID0ECAGAAAAA_tab3" class="OH_CodeSnippetContainerTab" EnableCopyCode="true"><a href="#" onclick="javascript:ChangeTab('ID0ECAGAAAAA','Visual C++','3','4');return false;">C++</a></div><div id="ID0ECAGAAAAA_tab4" class="OH_CodeSnippetContainerTabDisabledNotFirst" EnableCopyCode="true" disabled="true"><a>F#</a></div><div class="OH_CodeSnippetContainerTabRight" id="ID0ECAGAAAAA_tabimgright"></div></div><div id="ID0ECAGAAAAA_codecollection" class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0ECAGAAAAA_ViewColorized" href="#" onclick="javascript:ExchangeTitleContent('ID0ECAGAAAAA','4')" title="View Colorized" style="display: none">View Colorized</a><a id="ID0ECAGAAAAA_copycode" href="#" onclick="javascript:CopyToClipboard('ID0ECAGAAAAA','4')" title="Copy to Clipboard">Copy to Clipboard</a><a id="ID0ECAGAAAAA_PrintText" class="OH_PrintText" href="#" onclick="javascript:Print('ID0ECAGAAAAA','4')" title="Print">Print</a></div></div><div id="ID0ECAGAAAAA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre><span class="keyword">public</span> <span class="keyword">abstract</span> <span class="keyword">class</span> <span class="identifier">DataProvider</span></pre></div><div id="ID0ECAGAAAAA_code_Plain_Div1" class="OH_CodeSnippetContainerCode" style="display: none"><pre>public abstract class DataProvider</pre></div><div id="ID0ECAGAAAAA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre><span class="keyword">Public</span> <span class="keyword">MustInherit</span> <span class="keyword">Class</span> <span class="identifier">DataProvider</span></pre></div><div id="ID0ECAGAAAAA_code_Plain_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre>Public MustInherit Class DataProvider</pre></div><div id="ID0ECAGAAAAA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre><span class="keyword">public</span> <span class="keyword">ref class</span> <span class="identifier">DataProvider</span> <span class="keyword">abstract</span></pre></div><div id="ID0ECAGAAAAA_code_Plain_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre>public ref class DataProvider abstract</pre></div><div id="ID0ECAGAAAAA_code_Div4" class="OH_CodeSnippetContainerCode" style="display: none"><pre /></div><div id="ID0ECAGAAAAA_code_Plain_Div4" class="OH_CodeSnippetContainerCode" style="display: none"><pre /></div></div></div><script>addSpecificTextLanguageTagSet('ID0ECAGAAAAA');</script></div><p>The <span class="selflink">DataProvider</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 class="ps_nameColumn">Name</th><th class="ps_descriptionColumn">Description</th></tr><tr data="protected;declared;notNetfw;"><td><img src="./../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="59154932-1406-ee03-f7cf-759e92e86ace.htm" target="">DataProvider</a></td><td><div class="summary">Initializes a new instance of the <span class="selflink">DataProvider</span> class</div></td></tr></table><a href="#mainBody" target="">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 class="ps_nameColumn">Name</th><th class="ps_descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="7957fe73-07cf-2939-6e5e-a974e62adae3.htm" target="">CheckExistence</a></td><td><div class="summary">
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Checks the existence of a specified dataset.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="76dc89db-d2f7-c6b1-ee72-231a3e1881fc.htm" target="">Egress</a></td><td><div class="summary">
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Creates an instance of Stream for a dataset at a specified location. This is
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used by DryadLINQ to read a .NET collection from a store.
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</div></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/bsc2ak47" target="_blank">Equals</a></td><td><div class="summary">Determines whether the specified <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is equal to the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="./../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/4k87zsw7" target="_blank">Finalize</a></td><td><div class="summary">Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.</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/zdee4b3y" target="_blank">GetHashCode</a></td><td><div class="summary">Serves as a hash function for a particular type. </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="03212629-8351-bc14-0918-ef18541c60f6.htm" target="">GetMetaData</a></td><td><div class="summary">
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Gets the metadata of a specified dataset.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="e491d2f3-4406-ba06-33ac-287ada771687.htm" target="">GetStreamInfo</a></td><td><div class="summary">
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Gets information of a specified dataset.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="893d5450-6706-1bac-214f-1be575dcb4a9.htm" target="">GetTemporaryStreamUri</a></td><td><div class="summary">
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Gets a URI to store a temporary dataset.
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</div></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;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="3bf58a6c-aa87-cb1f-9aea-1c3c59c898d1.htm" target="">Ingress<span id="ID0ECABFBDAAAAA"> </span><script type="text/javascript">
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</script></a></td><td><div class="summary">
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Ingress a .NET collection to a specified store location.
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</div></td></tr><tr data="protected;inherited;notNetfw;"><td><img src="./../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/57ctke0a" target="_blank">MemberwiseClone</a></td><td><div class="summary">Creates a shallow copy of the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;static;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="./../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="b3b5d8dc-09fb-27ab-fbab-b2e58ab970a3.htm" target="">ReadData<span id="ID0ECABDBDAAAAA"> </span><script type="text/javascript">
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</script>T<span id="ID0EAABDBDAAAAA"> </span><script type="text/javascript">
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addToLanSpecTextIdSet("ID0EAABDBDAAAAA?vb=)|cpp=>|cs=>|fs=>|nu=)");
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</script></a></td><td><div class="summary">
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Reads a specified dataset.
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</div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="./../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="a75dd58d-7100-3ca7-290f-9bdb23548453.htm" target="">Register</a></td><td><div class="summary">
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Registers a new <span class="selflink">DataProvider</span>. This can be used to extend DryadLINQ to
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interact with a new kind of data store.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="325384d4-2a45-fe6c-b801-212e9d856332.htm" target="">RewriteUri<span id="ID0ECABBBDAAAAA"> </span><script type="text/javascript">
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</script>T<span id="ID0EAABBBDAAAAA"> </span><script type="text/javascript">
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addToLanSpecTextIdSet("ID0EAABBBDAAAAA?vb=)|cpp=>|cs=>|fs=>|nu=)");
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</script></a></td><td><div class="summary">
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Rewrites the URI of a dataset. Allows DataProvider specific rewriting.
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</div></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" target="">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 class="ps_nameColumn">Name</th><th class="ps_descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="b858c440-72f0-0ede-cb6e-92651cf1c9e7.htm" target="">PathSeparator</a></td><td><div class="summary">
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The path separator of this data provider.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="./../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="8c73442d-fbb2-4170-5d0f-2a61d34c83ca.htm" target="">Scheme</a></td><td><div class="summary">
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The scheme of this data provider.
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</div></td></tr></table><a href="#mainBody" target="">Top</a><a name="seeAlsoSection"><!----></a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">See Also</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"></div><div class="seeAlsoStyle"><a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm" target="">Microsoft.Research.DryadLinq Namespace</a></div></div></div></div></div><div id="OH_footer" class="OH_footer"><p /><div class="OH_feedbacklink"><a href="mailto:?subject=DryadLINQ+documentation+DataProvider+Class+100+EN-US&body=Your%20feedback%20is%20used%20to%20improve%20the%20documentation%20and%20the%20product.%20Your%20e-mail%20address%20will%20not%20be%20used%20for%20any%20other%20purpose%20and%20is%20disposed%20of%20after%20the%20issue%20you%20report%20is%20resolved.%20While%20working%20to%20resolve%20the%20issue%20that%20you%20report%2c%20you%20may%20be%20contacted%20via%20e-mail%20to%20get%20further%20details%20or%20clarification%20on%20the%20feedback%20you%20sent.%20After%20the%20issue%20you%20report%20has%20been%20addressed%2c%20you%20may%20receive%20an%20e-mail%20to%20let%20you%20know%20that%20your%20feedback%20has%20been%20addressed.">Send Feedback</a> on this topic.</div></div></body></html> |