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comparison Implab/ActionChainTask.cs @ 192:f1da3afc3521 release v2.1

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Слияние с v2
author cin
date Fri, 22 Apr 2016 13:10:34 +0300
parents dd4a3590f9c6
children 40d7fed4a09e
comparison
equal deleted inserted replaced
71:1714fd8678ef 192:f1da3afc3521
1 using System;
2
3 namespace Implab {
4 public class ActionChainTask : ActionChainTaskBase, IDeferred {
5 readonly Func<IPromise> m_task;
6
7 /// <summary>
8 /// Initializes a new instance of the <see cref="Implab.ActionChainTask"/> class.
9 /// </summary>
10 /// <param name="task">The operation which will be performed when the <see cref="Resolve()"/> is called.</param>
11 /// <param name="error">The error handler which will invoke when the <see cref="Reject(Exception)"/> is called or when the task fails with an error.</param>
12 /// <param name="cancel">The cancellation handler.</param>
13 /// <param name="autoCancellable">If set to <c>true</c> will automatically accept
14 /// all cancel requests before the task is started with <see cref="Resolve()"/>,
15 /// after that all requests are directed to the task.</param>
16 public ActionChainTask(Func<IPromise> task, Func<Exception, IPromise> error, Func<Exception, IPromise> cancel, bool autoCancellable) : base(error,cancel, autoCancellable) {
17 m_task = task;
18 }
19
20 public void Resolve() {
21 if (m_task != null && LockCancelation()) {
22 try {
23 var p = m_task();
24 p.On(SetResult, HandleErrorInternal, HandleCancelInternal);
25 CancellationRequested(p.Cancel);
26 } catch (OperationCanceledException reason){
27 HandleCancelInternal(reason);
28 } catch(Exception err) {
29 HandleErrorInternal(err);
30 }
31 }
32 }
33
34 }
35 }
36