Mercurial > pub > ImplabNet

annotate Implab/FuncChainTask.cs @ 212:a01d9df88d74 v2

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Added class Trace<T> to manage channels for individual classes, if SomeClass uses Trace<SomeClass> it sould be marked with TraceSourceAttribute
author cin
date Tue, 04 Apr 2017 12:04:05 +0300
parents 40d7fed4a09e
children eee3e49dd1ff
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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<TResult> : FuncChainTaskBase<TResult>, IDeferred {
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5 readonly Func<IPromise<TResult>> m_task;
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6
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7 public FuncChainTask(Func<IPromise<TResult>> task, Func<Exception, IPromise<TResult>> error, Func<Exception, IPromise<TResult>> cancel, bool autoCancellable)
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8 : base(error, cancel, autoCancellable) {
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9 m_task = task;
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10 }
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11
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12 public void Resolve() {
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13 if (m_task != null && LockCancelation()) {
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14 try {
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15 var operation = m_task();
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dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
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16 operation.On(SetResult, HandleErrorInternal, HandleCancelInternal);
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17 CancellationRequested(operation.Cancel);
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18 } catch (Exception err) {
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40d7fed4a09e fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
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19 SetErrorInternal(err);
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20 }
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21 }
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22 }
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23 }
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24 }