annotate Implab/FuncChainTaskT.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 40d7fed4a09e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 using System;
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2
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3 namespace Implab {
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4 public class FuncChainTask<TArg,TResult> : FuncChainTaskBase<TResult>, IDeferred<TArg> {
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5 readonly Func<TArg, IPromise<TResult>> m_task;
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6
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7 public FuncChainTask(Func<TArg, IPromise<TResult>> task, Func<Exception, IPromise<TResult>> error, Func<Exception, IPromise<TResult>> cancel, bool autoCancellable) : base(error, cancel, autoCancellable){
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8 m_task = task;
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9 }
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10
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11 public void Resolve(TArg value) {
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12 if (m_task != null && LockCancelation()) {
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13 try {
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14 var operation = m_task(value);
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15 operation.On(SetResult, HandleErrorInternal, SetCancelled);
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16 CancellationRequested(operation.Cancel);
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17 } catch (Exception err) {
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18 SetErrorInternal(err);
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19 }
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20 }
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21 }
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22 }
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23 }