Mercurial > pub > ImplabNet
annotate Implab/Parallels/AsyncPool.cs @ 209:a867536c68fc v2
Bound promise to CancellationToken
Added new states to ExecutionSate enum.
Added Safe.Guard() method to handle cleanup of the result of the promise
| author | cin |
|---|---|
| date | Wed, 16 Nov 2016 03:06:08 +0300 |
| parents | 706fccb85524 |
| children |
| 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 | |
| 145 | 34 public static IPromise<T> Invoke<T>(Func<ICancellationToken, T> func) { |
| 35 var p = new Promise<T>(); | |
| 36 var caller = TraceContext.Instance.CurrentOperation; | |
| 37 | |
| 38 ThreadPool.QueueUserWorkItem(param => { | |
| 39 TraceContext.Instance.EnterLogicalOperation(caller,false); | |
| 40 try { | |
| 41 p.Resolve(func(p)); | |
| 42 } catch(Exception e) { | |
| 43 p.Reject(e); | |
| 44 } finally { | |
| 45 TraceContext.Instance.Leave(); | |
| 46 } | |
| 47 }); | |
| 48 | |
| 49 return p; | |
| 50 } | |
| 51 | |
| 124 | 52 public static IPromise<T> RunThread<T>(Func<T> func) { |
| 14 | 53 var p = new Promise<T>(); |
| 54 | |
| 92 | 55 var caller = TraceContext.Instance.CurrentOperation; |
| 35 | 56 |
| 14 | 57 var worker = new Thread(() => { |
| 92 | 58 TraceContext.Instance.EnterLogicalOperation(caller,false); |
| 14 | 59 try { |
| 60 p.Resolve(func()); | |
| 61 } catch (Exception e) { | |
| 62 p.Reject(e); | |
| 92 | 63 } finally { |
| 64 TraceContext.Instance.Leave(); | |
| 14 | 65 } |
| 66 }); | |
| 67 worker.IsBackground = true; | |
| 68 worker.Start(); | |
| 69 | |
| 70 return p; | |
| 25 | 71 } |
| 48 | 72 |
| 145 | 73 public static IPromise<T> RunThread<T>(Func<ICancellationToken, T> func) { |
| 74 var p = new Promise<T>(); | |
| 75 | |
| 76 var caller = TraceContext.Instance.CurrentOperation; | |
| 77 | |
| 78 var worker = new Thread(() => { | |
| 79 TraceContext.Instance.EnterLogicalOperation(caller,false); | |
| 80 try { | |
| 81 p.Resolve(func(p)); | |
| 82 } catch (Exception e) { | |
| 83 p.Reject(e); | |
| 84 } finally { | |
| 85 TraceContext.Instance.Leave(); | |
| 86 } | |
| 87 }); | |
| 88 worker.IsBackground = true; | |
| 89 worker.Start(); | |
| 90 | |
| 91 return p; | |
| 92 } | |
| 93 | |
| 48 | 94 |
| 124 | 95 public static IPromise RunThread(Action func) { |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
92
diff
changeset
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96 var p = new Promise(); |
| 48 | 97 |
| 92 | 98 var caller = TraceContext.Instance.CurrentOperation; |
| 48 | 99 |
| 100 var worker = new Thread(() => { | |
| 92 | 101 TraceContext.Instance.EnterLogicalOperation(caller,false); |
| 48 | 102 try { |
| 103 func(); | |
| 104 p.Resolve(); | |
| 105 } catch (Exception e) { | |
| 106 p.Reject(e); | |
| 92 | 107 } finally { |
| 108 TraceContext.Instance.Leave(); | |
| 48 | 109 } |
| 110 }); | |
| 111 worker.IsBackground = true; | |
| 112 worker.Start(); | |
| 113 | |
| 114 return p; | |
| 115 } | |
| 120 | 116 |
| 145 | 117 public static IPromise RunThread(Action<ICancellationToken> func) { |
| 118 var p = new Promise(); | |
| 119 | |
| 120 var caller = TraceContext.Instance.CurrentOperation; | |
| 121 | |
| 122 var worker = new Thread(() => { | |
| 123 TraceContext.Instance.EnterLogicalOperation(caller,false); | |
| 124 try { | |
| 125 func(p); | |
| 126 p.Resolve(); | |
| 127 } catch (Exception e) { | |
| 128 p.Reject(e); | |
| 129 } finally { | |
| 130 TraceContext.Instance.Leave(); | |
| 131 } | |
| 132 }); | |
| 133 worker.IsBackground = true; | |
| 134 worker.Start(); | |
| 135 | |
| 136 return p; | |
| 137 } | |
| 138 | |
| 121 | 139 public static IPromise[] RunThread(params Action[] func) { |
| 124 | 140 return func.Select(f => RunThread(f)).ToArray(); |
| 120 | 141 } |
| 142 | |
| 145 | 143 public static IPromise[] RunThread(params Action<ICancellationToken>[] func) { |
| 144 return func.Select(f => RunThread(f)).ToArray(); | |
| 145 } | |
| 146 | |
| 121 | 147 public static IPromise<T>[] RunThread<T>(params Func<T>[] func) { |
| 124 | 148 return func.Select(f => RunThread(f)).ToArray(); |
| 120 | 149 } |
| 145 | 150 |
| 151 public static IPromise<T>[] RunThread<T>(params Func<ICancellationToken, T>[] func) { | |
| 152 return func.Select(f => RunThread(f)).ToArray(); | |
| 153 } | |
| 25 | 154 } |
| 155 } |