annotate Implab/Parallels/AsyncPool.cs @ 40:fe33f4e02ad5

improved tracing added text listeners (file,console)
author cin
date Tue, 15 Apr 2014 17:52:09 +0400
parents 313f708a50e9
children d10034588e38
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1 using Implab.Diagnostics;
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2 using System;
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3 using System.Threading;
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4
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5 namespace Implab.Parallels {
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6 /// <summary>
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7 /// Класс для распаралеливания задач.
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8 /// </summary>
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9 /// <remarks>
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10 /// Используя данный класс и лямда выражения можно распараллелить
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11 /// вычисления, для этого используется концепция обещаний.
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12 /// </remarks>
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13 public static class AsyncPool {
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14
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15 public static Promise<T> Invoke<T>(Func<T> func) {
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16 var p = new Promise<T>();
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17 var caller = TraceContext.Snapshot();
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19 ThreadPool.QueueUserWorkItem(param => {
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20 TraceContext.Transfer(caller);
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21 try {
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22 p.Resolve(func());
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23 } catch(Exception e) {
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24 p.Reject(e);
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25 }
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26 });
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28 return p;
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29 }
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30
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31 public static Promise<T> InvokeNewThread<T>(Func<T> func) {
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32 var p = new Promise<T>();
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34 var caller = TraceContext.Snapshot();
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36 var worker = new Thread(() => {
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37 TraceContext.Transfer(caller);
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38 try {
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39 p.Resolve(func());
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40 } catch (Exception e) {
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41 p.Reject(e);
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42 }
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43 });
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44 worker.IsBackground = true;
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45 worker.Start();
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46
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47 return p;
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48 }
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49 }
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50 }