Mercurial > pub > ImplabNet
annotate Implab/Parallels/AsyncPool.cs @ 138:f75cfa58e3d4 v2
added ICancellable.Cancel(Exception) to allow specify the reason of cancellation
| author | cin |
|---|---|
| date | Tue, 17 Feb 2015 18:16:26 +0300 |
| parents | a336cb13c6a9 |
| children | 706fccb85524 |
| rev | line source |
|---|---|
| 35 | 1 using Implab.Diagnostics; |
| 25 | 2 using System; |
| 3 using System.Threading; | |
| 120 | 4 using System.Linq; |
| 25 | 5 |
| 6 namespace Implab.Parallels { | |
| 7 /// <summary> | |
| 8 /// Класс для распаралеливания задач. | |
| 9 /// </summary> | |
| 10 /// <remarks> | |
| 11 /// Используя данный класс и лямда выражения можно распараллелить | |
| 12 /// вычисления, для этого используется концепция обещаний. | |
| 13 /// </remarks> | |
| 14 public static class AsyncPool { | |
| 15 | |
| 45 | 16 public static IPromise<T> Invoke<T>(Func<T> func) { |
| 25 | 17 var p = new Promise<T>(); |
| 92 | 18 var caller = TraceContext.Instance.CurrentOperation; |
| 25 | 19 |
| 20 ThreadPool.QueueUserWorkItem(param => { | |
| 92 | 21 TraceContext.Instance.EnterLogicalOperation(caller,false); |
| 25 | 22 try { |
| 14 | 23 p.Resolve(func()); |
| 25 | 24 } catch(Exception e) { |
| 25 p.Reject(e); | |
| 92 | 26 } finally { |
| 27 TraceContext.Instance.Leave(); | |
| 28 } | |
| 25 | 29 }); |
| 30 | |
| 31 return p; | |
| 14 | 32 } |
| 33 | |
| 124 | 34 public static IPromise<T> RunThread<T>(Func<T> func) { |
| 14 | 35 var p = new Promise<T>(); |
| 36 | |
| 92 | 37 var caller = TraceContext.Instance.CurrentOperation; |
| 35 | 38 |
| 14 | 39 var worker = new Thread(() => { |
| 92 | 40 TraceContext.Instance.EnterLogicalOperation(caller,false); |
| 14 | 41 try { |
| 42 p.Resolve(func()); | |
| 43 } catch (Exception e) { | |
| 44 p.Reject(e); | |
| 92 | 45 } finally { |
| 46 TraceContext.Instance.Leave(); | |
| 14 | 47 } |
| 48 }); | |
| 49 worker.IsBackground = true; | |
| 50 worker.Start(); | |
| 51 | |
| 52 return p; | |
| 25 | 53 } |
| 48 | 54 |
| 55 | |
| 124 | 56 public static IPromise RunThread(Action func) { |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
92
diff
changeset
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57 var p = new Promise(); |
| 48 | 58 |
| 92 | 59 var caller = TraceContext.Instance.CurrentOperation; |
| 48 | 60 |
| 61 var worker = new Thread(() => { | |
| 92 | 62 TraceContext.Instance.EnterLogicalOperation(caller,false); |
| 48 | 63 try { |
| 64 func(); | |
| 65 p.Resolve(); | |
| 66 } catch (Exception e) { | |
| 67 p.Reject(e); | |
| 92 | 68 } finally { |
| 69 TraceContext.Instance.Leave(); | |
| 48 | 70 } |
| 71 }); | |
| 72 worker.IsBackground = true; | |
| 73 worker.Start(); | |
| 74 | |
| 75 return p; | |
| 76 } | |
| 120 | 77 |
| 121 | 78 public static IPromise[] RunThread(params Action[] func) { |
| 124 | 79 return func.Select(f => RunThread(f)).ToArray(); |
| 120 | 80 } |
| 81 | |
| 121 | 82 public static IPromise<T>[] RunThread<T>(params Func<T>[] func) { |
| 124 | 83 return func.Select(f => RunThread(f)).ToArray(); |
| 120 | 84 } |
| 25 | 85 } |
| 86 } |