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annotate Implab/Safe.cs @ 205:8200ab154c8a v2

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Added ResetState to RunnableComponent to reset in case of failure Added StateChanged event to IRunnable Renamed Promise.SUCCESS -> Promise.Success Added Promise.FromException Renamed Bundle -> PromiseAll in PromiseExtensions
author cin
date Tue, 25 Oct 2016 17:40:33 +0300
parents 4d9830a9bbb8
children 558f34b2fb50
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Text;
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5 using System.Text.RegularExpressions;
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6 using System.Diagnostics;
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7
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8 namespace Implab
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9 {
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10 public static class Safe
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11 {
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12 public static void ArgumentAssert(bool condition, string paramName) {
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13 if (!condition)
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14 throw new ArgumentException("The parameter is invalid", paramName);
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15 }
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16
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17 public static void ArgumentMatch(string value, string paramName, Regex rx) {
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18 if (rx == null)
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19 throw new ArgumentNullException("rx");
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20 if (!rx.IsMatch(value))
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21 throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName);
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22 }
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23
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24 public static void ArgumentNotEmpty(string value, string paramName) {
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25 if (String.IsNullOrEmpty(value))
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26 throw new ArgumentException("The parameter can't be empty", paramName);
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27 }
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28
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29 public static void ArgumentNotEmpty<T>(T[] value, string paramName) {
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30 if (value == null || value.Length == 0)
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31 throw new ArgumentException("The array must be not emty", paramName);
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32 }
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33
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34 public static void ArgumentNotNull(object value, string paramName) {
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35 if (value == null)
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36 throw new ArgumentNullException(paramName);
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37 }
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38
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39 public static void ArgumentInRange(int value, int min, int max, string paramName) {
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40 if (value < min || value > max)
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41 throw new ArgumentOutOfRangeException(paramName);
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42 }
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43
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44 public static void ArgumentOfType(object value, Type type, string paramName) {
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45 if (!type.IsInstanceOfType(value))
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46 throw new ArgumentException(String.Format("The parameter must be of type {0}", type), paramName);
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47 }
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48
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49 public static void Dispose(params IDisposable[] objects) {
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50 foreach (var d in objects)
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51 if (d != null)
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52 d.Dispose();
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53 }
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55 public static void Dispose(params object[] objects) {
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56 foreach (var obj in objects) {
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57 var d = obj as IDisposable;
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58 if (d != null)
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59 d.Dispose();
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60 }
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61 }
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62
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63 public static void Dispose(object obj) {
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64 var d = obj as IDisposable;
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65 if (d != null)
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66 d.Dispose();
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67 }
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68
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69 [DebuggerStepThrough]
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70 public static IPromise<T> Run<T>(Func<T> action) {
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71 ArgumentNotNull(action, "action");
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72
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73 try {
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74 return Promise<T>.FromResult(action());
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75 } catch (Exception err) {
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76 return Promise<T>.FromException(err);
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77 }
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78 }
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80 [DebuggerStepThrough]
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81 public static IPromise Run(Action action) {
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82 ArgumentNotNull(action, "action");
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83
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84 try {
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85 action();
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86 return Promise.Success;
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87 } catch (Exception err) {
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88 return new FailedPromise(err);
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89 }
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90 }
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92 [DebuggerStepThrough]
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93 public static IPromise Run(Func<IPromise> action) {
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94 ArgumentNotNull(action, "action");
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95
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96 try {
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97 return action() ?? new FailedPromise(new Exception("The action returned null"));
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98 } catch (Exception err) {
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99 return new FailedPromise(err);
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100 }
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101 }
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102
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103 [DebuggerStepThrough]
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104 public static IPromise<T> Run<T>(Func<IPromise<T>> action) {
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105 ArgumentNotNull(action, "action");
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106
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107 try {
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108 return action() ?? Promise<T>.FromException(new Exception("The action returned null"));
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109 } catch (Exception err) {
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110 return Promise<T>.FromException(err);
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111 }
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112 }
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113 }
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114 }