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| <h1 id="Apache_Ignite_Core_Compute_IComputeJob_1" data-uid="Apache.Ignite.Core.Compute.IComputeJob`1" class="text-break">Interface IComputeJob<TRes>
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| </h1>
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| <div class="markdown level0 summary"><p>Defines executable unit for <a class="xref" href="Apache.Ignite.Core.Compute.IComputeTask-3.html">IComputeTask<TArg, TJobRes, TRes></a>. Ignite task gets split into jobs |
| when <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 is called. This |
| method returns all jobs for the task mapped to their corresponding Ignite nodes for execution. |
| Grid will then serialize this jobs and send them to requested nodes for execution. |
| <p> |
| Once job execution is complete, the return value will be sent back to parent task and will |
| be passed into |
| <a class="xref" href="Apache.Ignite.Core.Compute.IComputeTask-3.html#Apache_Ignite_Core_Compute_IComputeTask_3_OnResult_Apache_Ignite_Core_Compute_IComputeJobResult__1__System_Collections_Generic_IList_Apache_Ignite_Core_Compute_IComputeJobResult__1___">OnResult(IComputeJobResult<TJobRes>, IList<IComputeJobResult<TJobRes>>)</a> |
| method via <a class="xref" href="Apache.Ignite.Core.Compute.IComputeJobResult-1.html">IComputeJobResult<TRes></a> instance. |
| <p> |
| Ignite job implementation can be injected with <a class="xref" href="Apache.Ignite.Core.IIgnite.html">IIgnite</a> using |
| <a class="xref" href="Apache.Ignite.Core.Resource.InstanceResourceAttribute.html">InstanceResourceAttribute</a> attribute.</p> |
| </div>
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| <div class="markdown level0 conceptual"></div>
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| <h6><strong>Namespace</strong>: <a class="xref" href="Apache.Ignite.Core.Compute.html">Apache.Ignite.Core.Compute</a></h6>
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| <h6><strong>Assembly</strong>: Apache.Ignite.Core.dll</h6>
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| <h5 id="Apache_Ignite_Core_Compute_IComputeJob_1_syntax">Syntax</h5>
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| <div class="codewrapper">
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| <pre><code class="lang-csharp hljs">public interface IComputeJob<out TRes></code></pre>
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| </div>
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| <h5 class="typeParameters">Type Parameters</h5>
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| <table class="table table-bordered table-striped table-condensed">
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| <thead>
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| <tr>
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| <th>Name</th>
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| <th>Description</th>
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| </tr>
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| </thead>
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| <tbody>
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| <tr>
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| <td><span class="parametername">TRes</span></td>
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| <td></td>
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| </tr>
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| </tbody>
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| </table>
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| <h3 id="methods">Methods
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| </h3>
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| <a id="Apache_Ignite_Core_Compute_IComputeJob_1_Cancel_" data-uid="Apache.Ignite.Core.Compute.IComputeJob`1.Cancel*"></a>
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| <h4 id="Apache_Ignite_Core_Compute_IComputeJob_1_Cancel" data-uid="Apache.Ignite.Core.Compute.IComputeJob`1.Cancel">Cancel()</h4>
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| <div class="markdown level1 summary"><p>This method is called when system detects that completion of this |
| job can no longer alter the overall outcome (for example, when parent task |
| has already reduced the results). |
| <p> |
| Note that job cancellation is only a hint, and it is really up to the actual job |
| instance to gracefully finish execution and exit.</p> |
| </div>
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| <div class="markdown level1 conceptual"></div>
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| <h5 class="decalaration">Declaration</h5>
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| <div class="codewrapper">
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| <pre><code class="lang-csharp hljs">void Cancel()</code></pre>
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| </div>
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| <a id="Apache_Ignite_Core_Compute_IComputeJob_1_Execute_" data-uid="Apache.Ignite.Core.Compute.IComputeJob`1.Execute*"></a>
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| <h4 id="Apache_Ignite_Core_Compute_IComputeJob_1_Execute" data-uid="Apache.Ignite.Core.Compute.IComputeJob`1.Execute">Execute()</h4>
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| <div class="markdown level1 summary"><p>Executes this job.</p> |
| </div>
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| <div class="markdown level1 conceptual"></div>
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| <h5 class="decalaration">Declaration</h5>
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| <div class="codewrapper">
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| <pre><code class="lang-csharp hljs">TRes Execute()</code></pre>
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| </div>
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| <h5 class="returns">Returns</h5>
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| <table class="table table-bordered table-striped table-condensed">
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| <thead>
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| <tr>
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| <th>Type</th>
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| <th>Description</th>
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| </tr>
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| </thead>
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| <tbody>
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| <tr>
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| <td><span class="xref">TRes</span></td>
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| <td><p>Job execution result (possibly <code>null</code>). This result will be returned |
| in <a class="xref" href="Apache.Ignite.Core.Compute.IComputeJobResult-1.html">IComputeJobResult<TRes></a> object passed into |
| <a class="xref" href="Apache.Ignite.Core.Compute.IComputeTask-3.html#Apache_Ignite_Core_Compute_IComputeTask_3_OnResult_Apache_Ignite_Core_Compute_IComputeJobResult__1__System_Collections_Generic_IList_Apache_Ignite_Core_Compute_IComputeJobResult__1___">OnResult(IComputeJobResult<TJobRes>, IList<IComputeJobResult<TJobRes>>)</a> |
| on caller node.</p> |
| </td>
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| </tr>
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| </tbody>
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| </table>
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