annotate Implab/Components/IAsyncComponent.cs @ 256:c52691faaf21 v3

Removed obsolete App, ComponentContainer Extracted IAsyncComponent interface Working on RunnableComponent
author cin
date Wed, 11 Apr 2018 03:05:14 +0300
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1 using System;
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2 using System.Threading.Tasks;
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3
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4 namespace Implab.Components {
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5 /// <summary>
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6 /// An interface for asynchronous components.
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7 /// </summary>
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8 /// <remarks>
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9 /// <para>
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10 /// Асинхронные компоненты не предназначены для одновременного использования несколькими клиентами,
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11 /// однако существуют внутренние процессы, изменяющее состояние компонент без участия клиента.
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12 /// Данный интерфейс определяет протокол взаимодействия с компонентой, при которм компоненте
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13 /// посылаются сигналы от клиента, в ответ на которые компонента меняет свойство <see cref="Completion"/>,
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14 /// данное свойство содержит в себе новую задачу, выполняемую компонентой и данное свойство
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15 /// может измениться только при получении нового сигнала от клиента.
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16 /// </para>
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17 /// <para>
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18 /// В дополнение к <see cref="Completion"/> компонента может определять другие свойства, в
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19 /// которых будет передаваться информация о результате выполнения операции.
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20 /// </para>
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21 /// <para>
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22 /// Особое внимание следует уделить реализации <see cref="IDisposable"/>, который по своей природе
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23 /// синхронный, данное правило безусловно можно нарушить, но тогда могут возникнуть проблемы с
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24 /// тем, что ресурсы еще не освободились, а ход программы продолжается, что приведет к ошибкам,
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25 /// например при попытке получить ресуср другим объектом, либо при заврешении программы.
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26 /// </para>
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27 /// <seealso href="https://blog.stephencleary.com/2013/01/async-oop-0-introduction.html"/>
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28 /// </remarks>
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29 public interface IAsyncComponent {
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30 /// <summary>
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31 /// The result of the last started operation. This property reflects
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32 /// only the result of the last started operation and therefore should
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33 /// change only if a new operation is initiated.
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34 /// </summary>
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35 Task Completion { get; }
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36 }
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37 }