annotate Implab/IPromise.cs @ 75:4439140706d0 v2

major refactoring, added tasks support
author cin
date Wed, 10 Sep 2014 11:17:37 +0400
parents c4140283575c
children c761fc982e1d
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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
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6 namespace Implab {
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7 public interface IPromise: ICancellable {
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8 /// <summary>
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9 /// Check whereather the promise has no more than one dependent promise.
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10 /// </summary>
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11 bool IsExclusive {
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12 get;
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13 }
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15 /// <summary>
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16 /// Тип результата, получаемого через данное обещание.
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17 /// </summary>
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18 Type PromiseType { get; }
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20 /// <summary>
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21 /// Обещание является выполненым, либо успешно, либо с ошибкой.
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22 /// </summary>
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23 bool IsResolved { get; }
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24
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25 /// <summary>
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26 /// Обещание было отменено.
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27 /// </summary>
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28 bool IsCancelled { get; }
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29
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30 IPromise Then(Action success, ErrorHandler error, Action cancel);
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31 IPromise Then(Action success, ErrorHandler error);
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32 IPromise Then(Action success);
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33
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34 /// <summary>
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35 /// Добавляет последнй обработчик в цепочку обещаний, не создает промежуточных обещаний.
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36 /// </summary>
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37 /// <param name="success">Success.</param>
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38 /// <param name="error">Error.</param>
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39 /// <param name="cancel">Cancel.</param>
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40 void Last(Action success, ErrorHandler error, Action cancel);
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41 void Last(Action success, ErrorHandler error);
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42 void Last(Action success);
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43
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44 IPromise Error(ErrorHandler error);
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45 /// <summary>
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46 /// Обрабатывает либо ошибку, либо результат. Событие отмены не обрабатывается.
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47 /// </summary>
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48 /// <param name="handler">Обработчик.</param>
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49 /// <remarks>После обработке ошибки, она передается дальше.</remarks>
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50 /// <summary>
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51 /// Обрабатывает либо ошибку, либо результат, либо отмену обещания.
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52 /// </summary>
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53 /// <param name="handler">Обработчик.</param>
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54 /// <remarks>После обработке ошибки, она передается дальше.</remarks>
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55 IPromise Finally(Action handler);
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56 /// <summary>
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57 /// Обработчик для регистрации отмены обещания, событие отмены не может быть подавлено.
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58 /// </summary>
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59 /// <returns>Новое обещание, связанное с текущим.</returns>
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60 /// <param name="handler">Обработчик события.</param>
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61 /// <remarks>Если обработчик вызывает исключение, то оно передается обработчику ошибки, результат работы
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62 /// которого будет передан связанному обещанию</remarks>
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63 IPromise Cancelled(Action handler);
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65 /// <summary>
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66 /// Преобразует результат обещания к заданному типу и возвращает новое обещание.
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67 /// </summary>
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68 IPromise<T> Cast<T>();
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70 /// <summary>
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71 /// Синхронизирует текущий поток с обещанием.
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72 /// </summary>
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73 void Join();
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74 /// <summary>
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75 /// Синхронизирует текущий поток с обещанием.
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76 /// </summary>
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77 /// <param name="timeout">Время ожидания, по его истечению возникнет исключение.</param>
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78 /// <exception cref="TimeoutException">Превышено время ожидания.</exception>
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79 void Join(int timeout);
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81 }
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82 }