| <!DOCTYPE html> |
| <!--[if IE]><![endif]--> |
| <html> |
| |
| <head> |
| <link rel="canonical" href="https://ignite.apache.org/releases/2.8.1/dotnetdoc/api/Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter-3.html" /> |
| <META NAME="ROBOTS" CONTENT="NOINDEX"> |
| |
| <meta charset="utf-8"> |
| <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> |
| <title>Class ComputeTaskSplitAdapter<TArg, TJobRes, TTaskRes> |
| | Apache Ignite.NET </title> |
| <meta name="viewport" content="width=device-width"> |
| <meta name="title" content="Class ComputeTaskSplitAdapter<TArg, TJobRes, TTaskRes> |
| | Apache Ignite.NET "> |
| <meta name="generator" content="docfx 2.24.0.0"> |
| |
| <link rel="shortcut icon" href="../images/favicon.ico"> |
| <link rel="stylesheet" href="../styles/docfx.vendor.css"> |
| <link rel="stylesheet" href="../styles/docfx.css"> |
| <link rel="stylesheet" href="../styles/main.css"> |
| <meta property="docfx:navrel" content="../toc.html"> |
| <meta property="docfx:tocrel" content="toc.html"> |
| |
| <meta property="docfx:rel" content="../"> |
| |
| |
| <script> |
| (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ |
| (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), |
| m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) |
| })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); |
| |
| ga('create', 'UA-61232409-1', 'auto'); |
| ga('send', 'pageview'); |
| |
| </script></head> |
| <body data-spy="scroll" data-target="#affix"> |
| <div id="wrapper"> |
| <header> |
| |
| <nav id="autocollapse" class="navbar navbar-inverse ng-scope" role="navigation"> |
| <div class="container"> |
| <div class="navbar-header"> |
| <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar"> |
| <span class="sr-only">Toggle navigation</span> |
| <span class="icon-bar"></span> |
| <span class="icon-bar"></span> |
| <span class="icon-bar"></span> |
| </button> |
| |
| <a class="navbar-brand" href="../index.html"> |
| <img id="logo" class="svg" src="../images/logo_ignite_32_32.png" alt=""> |
| </a> |
| </div> |
| <div class="collapse navbar-collapse" id="navbar"> |
| <form class="navbar-form navbar-right" role="search" id="search"> |
| <div class="form-group"> |
| <input type="text" class="form-control" id="search-query" placeholder="Search" autocomplete="off"> |
| </div> |
| </form> |
| </div> |
| </div> |
| </nav> |
| |
| <div class="subnav navbar navbar-default"> |
| <div class="container hide-when-search" id="breadcrumb"> |
| <ul class="breadcrumb"> |
| <li></li> |
| </ul> |
| </div> |
| </div> |
| </header> |
| <div class="container body-content"> |
| |
| <div id="search-results"> |
| <div class="search-list"></div> |
| <div class="sr-items"></div> |
| <ul id="pagination"></ul> |
| </div> |
| </div> |
| <div role="main" class="container body-content hide-when-search"> |
| |
| <div class="sidenav hide-when-search"> |
| <a class="btn toc-toggle collapse" data-toggle="collapse" href="#sidetoggle" aria-expanded="false" aria-controls="sidetoggle">Show / Hide Table of Contents</a> |
| <div class="sidetoggle collapse" id="sidetoggle"> |
| <div id="sidetoc"></div> |
| </div> |
| </div> |
| <div class="article row grid-right"> |
| <div class="col-md-10"> |
| <article class="content wrap" id="_content" data-uid="Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter`3"> |
| |
| |
| <h1 id="Apache_Ignite_Core_Compute_ComputeTaskSplitAdapter_3" data-uid="Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter`3" class="text-break">Class ComputeTaskSplitAdapter<TArg, TJobRes, TTaskRes> |
| </h1> |
| <div class="markdown level0 summary"><p>This class defines simplified adapter for <a class="xref" href="Apache.Ignite.Core.Compute.IComputeTask-3.html">IComputeTask<TArg, TJobRes, TRes></a>. This adapter can be used |
| when jobs can be randomly assigned to available Ignite nodes. This adapter is sufficient |
| in most homogeneous environments where all nodes are equally suitable for executing grid |
| job, see <a class="xref" href="Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter-3.html#Apache_Ignite_Core_Compute_ComputeTaskSplitAdapter_3_Split_System_Int32__0_">Split(Int32, TArg)</a> method for more details.</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"><a class="xref" href="Apache.Ignite.Core.Compute.ComputeTaskAdapter-3.html">ComputeTaskAdapter</a><TArg, TJobRes, TTaskRes></div> |
| <div class="level2"><span class="xref">ComputeTaskSplitAdapter<TArg, TJobRes, TTaskRes></span></div> |
| </div> |
| <div classs="implements"> |
| <h5>Implements</h5> |
| <div><a class="xref" href="Apache.Ignite.Core.Compute.IComputeTask-3.html">IComputeTask</a><TArg, TJobRes, TTaskRes></div> |
| </div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <a class="xref" href="Apache.Ignite.Core.Compute.ComputeTaskAdapter-3.html#Apache_Ignite_Core_Compute_ComputeTaskAdapter_3_OnResult_Apache_Ignite_Core_Compute_IComputeJobResult__1__System_Collections_Generic_IList_Apache_Ignite_Core_Compute_IComputeJobResult__1___">ComputeTaskAdapter<TArg, TJobRes, TTaskRes>.OnResult(IComputeJobResult<TJobRes>, IList<IComputeJobResult<TJobRes>>)</a> |
| </div> |
| <div> |
| <a class="xref" href="Apache.Ignite.Core.Compute.ComputeTaskAdapter-3.html#Apache_Ignite_Core_Compute_ComputeTaskAdapter_3_Map_System_Collections_Generic_IList_Apache_Ignite_Core_Cluster_IClusterNode___0_">ComputeTaskAdapter<TArg, TJobRes, TTaskRes>.Map(IList<IClusterNode>, TArg)</a> |
| </div> |
| <div> |
| <a class="xref" href="Apache.Ignite.Core.Compute.ComputeTaskAdapter-3.html#Apache_Ignite_Core_Compute_ComputeTaskAdapter_3_Reduce_System_Collections_Generic_IList_Apache_Ignite_Core_Compute_IComputeJobResult__1___">ComputeTaskAdapter<TArg, TJobRes, TTaskRes>.Reduce(IList<IComputeJobResult<TJobRes>>)</a> |
| </div> |
| <div> |
| <span class="xref">System.Object.ToString()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object)</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.Equals(System.Object, System.Object)</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.GetHashCode()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.GetType()</span> |
| </div> |
| <div> |
| <span class="xref">System.Object.MemberwiseClone()</span> |
| </div> |
| </div> |
| <h6><strong>Namespace</strong>: <a class="xref" href="Apache.Ignite.Core.Compute.html">Apache.Ignite.Core.Compute</a></h6> |
| <h6><strong>Assembly</strong>: Apache.Ignite.Core.dll</h6> |
| <h5 id="Apache_Ignite_Core_Compute_ComputeTaskSplitAdapter_3_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public abstract class ComputeTaskSplitAdapter<TArg, TJobRes, TTaskRes> : ComputeTaskAdapter<TArg, TJobRes, TTaskRes>, IComputeTask<TArg, TJobRes, TTaskRes></code></pre> |
| </div> |
| <h5 class="typeParameters">Type Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="parametername">TArg</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="parametername">TJobRes</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="parametername">TTaskRes</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="methods">Methods |
| </h3> |
| <a id="Apache_Ignite_Core_Compute_ComputeTaskSplitAdapter_3_Map_" data-uid="Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter`3.Map*"></a> |
| <h4 id="Apache_Ignite_Core_Compute_ComputeTaskSplitAdapter_3_Map_System_Collections_Generic_IList_Apache_Ignite_Core_Cluster_IClusterNode___0_" data-uid="Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter`3.Map(System.Collections.Generic.IList{Apache.Ignite.Core.Cluster.IClusterNode},`0)">Map(IList<IClusterNode>, TArg)</h4> |
| <div class="markdown level1 summary"><p>This method is called to map or split Ignite task into multiple Ignite jobs. This is the |
| first method that gets called when task execution starts.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public override IDictionary<IComputeJob<TJobRes>, IClusterNode> Map(IList<IClusterNode> subgrid, TArg arg)</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.Collections.Generic.IList</span><<a class="xref" href="Apache.Ignite.Core.Cluster.IClusterNode.html">IClusterNode</a>></td> |
| <td><span class="parametername">subgrid</span></td> |
| <td><p>Nodes available for this task execution. Note that order of nodes is |
| guaranteed to be randomized by container. This ensures that every time you simply iterate |
| through Ignite nodes, the order of nodes will be random which over time should result into |
| all nodes being used equally.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">TArg</span></td> |
| <td><span class="parametername">arg</span></td> |
| <td><p>Task execution argument. Can be <code>null</code>. This is the same argument |
| as the one passed into <code>ICompute.Execute()</code> methods.</p> |
| </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">System.Collections.Generic.IDictionary</span><<a class="xref" href="Apache.Ignite.Core.Compute.IComputeJob-1.html">IComputeJob</a><TJobRes>, <a class="xref" href="Apache.Ignite.Core.Cluster.IClusterNode.html">IClusterNode</a>></td> |
| <td><p>Map of Ignite jobs assigned to subgrid node. If <code>null</code> or empty map is returned, |
| exception will be thrown.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="overrides">Overrides</h5> |
| <div><span class="xref">Apache.Ignite.Core.Compute.ComputeTaskAdapter<TArg, TJobRes, TTaskRes>.Map(System.Collections.Generic.IList<Apache.Ignite.Core.Cluster.IClusterNode>, TArg)</span></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><a class="xref" href="Apache.Ignite.Core.Common.IgniteException.html">IgniteException</a></td> |
| <td><p>Split returned no jobs.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Compute_ComputeTaskSplitAdapter_3_Split_" data-uid="Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter`3.Split*"></a> |
| <h4 id="Apache_Ignite_Core_Compute_ComputeTaskSplitAdapter_3_Split_System_Int32__0_" data-uid="Apache.Ignite.Core.Compute.ComputeTaskSplitAdapter`3.Split(System.Int32,`0)">Split(Int32, TArg)</h4> |
| <div class="markdown level1 summary"><p>This is a simplified version of <a class="xref" href="Apache.Ignite.Core.Compute.IComputeTask-3.html#Apache_Ignite_Core_Compute_IComputeTask_3_Map_System_Collections_Generic_IList_Apache_Ignite_Core_Cluster_IClusterNode___0_">Map(IList<IClusterNode>, TArg)</a> method. |
| <p> |
| This method basically takes given argument and splits it into a collection |
| of <span class="xref">Apache.Ignite.Core.Impl.Compute.IComputeJob</span> using provided grid size as indication of how many node are |
| available. These jobs will be randomly mapped to available Ignite nodes. Note that |
| if number of jobs is greater than number of Ignite nodes (i.e, grid size), the grid |
| nodes will be reused and some jobs will end up on the same Ignite nodes.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">protected abstract ICollection<IComputeJob<TJobRes>> Split(int gridSize, TArg arg)</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.Int32</span></td> |
| <td><span class="parametername">gridSize</span></td> |
| <td><p>Number of available Ignite nodes. Note that returned number of jobs can be less, |
| equal or greater than this grid size.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">TArg</span></td> |
| <td><span class="parametername">arg</span></td> |
| <td><p>Task execution argument. Can be <code>null</code>.</p> |
| </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">System.Collections.Generic.ICollection</span><<a class="xref" href="Apache.Ignite.Core.Compute.IComputeJob-1.html">IComputeJob</a><TJobRes>></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="implements">Implements</h3> |
| <div> |
| <a class="xref" href="Apache.Ignite.Core.Compute.IComputeTask-3.html">IComputeTask<TArg, TJobRes, TRes></a> |
| </div> |
| </article> |
| </div> |
| |
| <div class="hidden-sm col-md-2" role="complementary"> |
| <div class="sideaffix"> |
| <nav class="bs-docs-sidebar hidden-print hidden-xs hidden-sm affix" id="affix"> |
| <!-- <p><a class="back-to-top" href="#top">Back to top</a><p> --> |
| </nav> |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <footer> |
| <div class="grad-bottom"></div> |
| <div class="footer"> |
| <div class="container"> |
| <span class="pull-right"> |
| <a href="#top">Back to top</a> |
| </span> |
| © 2015 - 2019 The Apache Software Foundation |
| |
| </div> |
| </div> |
| </footer> |
| </div> |
| |
| <script type="text/javascript" src="../styles/docfx.vendor.js"></script> |
| <script type="text/javascript" src="../styles/docfx.js"></script> |
| <script type="text/javascript" src="../styles/main.js"></script> |
| </body> |
| </html> |
