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annotate Implab/FailedPromiseT.cs @ 209:a867536c68fc v2

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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 4d9830a9bbb8
children cbe10ac0731e
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4d9830a9bbb8 Added 'Fail' method to RunnableComponent which allows component to move from
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1 using System;
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2 using System.Reflection;
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3
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4 namespace Implab {
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5 public class FailedPromise<T> : FailedPromise, IPromise<T> {
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6 public FailedPromise(Exception error) : base(error) {
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7 }
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8
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9 public IPromise<T> On(Action<T> success, Action<Exception> error, Action<Exception> cancel) {
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10 if (error != null) {
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11 try {
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12 error(Error);
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13 // Analysis disable once EmptyGeneralCatchClause
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14 } catch {
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15 }
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16 }
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17 return this;
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18 }
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19
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20 public IPromise<T> On(Action<T> success, Action<Exception> error) {
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21 if (error != null) {
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22 try {
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23 error(Error);
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24 // Analysis disable once EmptyGeneralCatchClause
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25 } catch {
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26 }
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27 }
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28 return this;
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29 }
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30
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31 public IPromise<T> On(Action<T> success) {
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32 return this;
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33 }
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34
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35 T IPromise<T>.Join() {
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36 throw new TargetInvocationException(Error);
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37 }
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38
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39 T IPromise<T>.Join(int timeout) {
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40 throw new TargetInvocationException(Error);
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41 }
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42
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43
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44 IPromise<T> IPromise<T>.On(Action success, Action<Exception> error, Action<Exception> cancel) {
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45 On(success, error, cancel);
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46 return this;
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47 }
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48
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49 IPromise<T> IPromise<T>.On(Action success, Action<Exception> error) {
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50 On(success, error);
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51 return this;
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52 }
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53
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54 IPromise<T> IPromise<T>.On(Action success) {
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55 On(success);
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56 return this;
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57 }
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58
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59 IPromise<T> IPromise<T>.On(Action handler, PromiseEventType events) {
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60 On(handler, events);
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61 return this;
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62 }
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63 }
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64 }
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65