developer/Samples/NET 4.6/Samples for Parallel/ParallelExtensionsExtras/Extensions/ParallelLinqOptions.cs

   1 //--------------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  File: ParallelLinqOptions.cs
   6 //
   7 //--------------------------------------------------------------------------
   8
   9 using System.Threading;
  10 using System.Threading.Tasks;
  11
  12 namespace System.Linq
  13 {
  14     /// <summary>Provides a grouping for common Parallel LINQ options.</summary>
  15     public sealed class ParallelLinqOptions : ParallelOptions
  16     {
  17         private ParallelExecutionMode _executionMode = ParallelExecutionMode.Default;
  18         private ParallelMergeOptions _mergeOptions = ParallelMergeOptions.Default;
  19         private bool _ordered = false;
  20
  21         /// <summary>Gets or sets the execution mode.</summary>
  22         public ParallelExecutionMode ExecutionMode
  23         {
  24             get { return _executionMode; }
  25             set
  26             {
  27                 if (value != ParallelExecutionMode.Default &&
  28                     value != ParallelExecutionMode.ForceParallelism) throw new ArgumentOutOfRangeException("ExecutionMode");
  29                 _executionMode = value;
  30             }
  31         }
  32
  33         /// <summary>Gets or sets the merge options.</summary>
  34         public ParallelMergeOptions MergeOptions
  35         {
  36             get { return _mergeOptions; }
  37             set
  38             {
  39                 if (value != ParallelMergeOptions.AutoBuffered &&
  40                     value != ParallelMergeOptions.Default &&
  41                     value != ParallelMergeOptions.FullyBuffered &&
  42                     value != ParallelMergeOptions.NotBuffered) throw new ArgumentOutOfRangeException("MergeOptions");
  43                 _mergeOptions = value;
  44             }
  45         }
  46
  47         /// <summary>Gets or sets whether the query should retain ordering.</summary>
  48         public bool Ordered
  49         {
  50             get { return _ordered; }
  51             set { _ordered = value; }
  52         }
  53     }
  54 }