annotate Implab/SuccessPromise.cs @ 187:dd4a3590f9c6 ref20160224

Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler Any unhandled OperationCanceledException will cause the promise cancelation
author cin
date Tue, 19 Apr 2016 17:35:20 +0300
parents 706fccb85524
children 4d9830a9bbb8
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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 SuccessPromise : IPromise {
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5 #region IPromise implementation
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6
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7 public IPromise On(Action success, Action<Exception> error, Action<Exception> cancel) {
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8 if (success != null) {
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9 try {
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10 success();
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11 } catch(Exception err) {
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12 if (error != null) {
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13 try {
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14 error(err);
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15 // Analysis disable once EmptyGeneralCatchClause
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16 } catch {
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17 }
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18 }
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19 }
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20 }
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21 return this;
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22 }
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23
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24 public IPromise On(Action success, Action<Exception> error) {
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25 if (success != null) {
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26 try {
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27 success();
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28 } catch(Exception err) {
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29 if (error != null) {
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30 try {
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31 error(err);
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32 // Analysis disable once EmptyGeneralCatchClause
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33 } catch {
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34 }
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35 }
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36 }
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37 }
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38 return this;
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39 }
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40
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41 public IPromise On(Action success) {
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42 if (success != null) {
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43 try {
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44 success();
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45 // Analysis disable once EmptyGeneralCatchClause
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46 } catch {
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47 }
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48 }
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49 return this;
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50 }
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51
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52 public IPromise On(Action handler, PromiseEventType events) {
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53 if (handler != null && events.HasFlag(PromiseEventType.Success)) {
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54 try {
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55 handler();
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56 // Analysis disable once EmptyGeneralCatchClause
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57 } catch {
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58 }
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59 }
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60 return this;
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61 }
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62
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63 public IPromise<T> Cast<T>() {
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64 throw new InvalidCastException();
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65 }
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66
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67 public void Join() {
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68 }
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69
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70 public void Join(int timeout) {
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71 }
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72
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73 public Type PromiseType {
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74 get {
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75 return typeof(void);
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76 }
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77 }
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78
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79 public bool IsResolved {
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80 get {
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81 return true;
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82 }
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83 }
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84
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85 public bool IsCancelled {
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86 get {
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87 return false;
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88 }
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89 }
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90
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91 public Exception Error {
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92 get {
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93 return null;
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94 }
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95 }
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96
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97 #endregion
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98
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99 #region ICancellable implementation
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100
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101 public void Cancel() {
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102 }
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103
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104 public void Cancel(Exception reason) {
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105 }
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106
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107 #endregion
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108
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109 }
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110 }
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111