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annotate Implab/Components/IRunnable.cs @ 243:b1e0ffdf3451 v3

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working on promises
author cin
date Wed, 24 Jan 2018 19:24:10 +0300
parents 7d07503621fe
children 9f63dade3a40
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1 using System;
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3 namespace Implab.Components {
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4 /// <summary>
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5 /// Interface for the component which performs a long running task.
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6 /// </summary>
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7 /// <remarks>
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8 /// <para>The component also should implement <see cref="IDisposable"/> interface to be able to release used resources.</para>
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9 /// <para>All methods of this interface must be a thread safe. If the operation is not applicable in the current state the
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10 /// method should throw an exception and keep the current state unchanged.</para>
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11 /// </remarks>
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12 public interface IRunnable : IDisposable {
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13 /// <summary>
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14 /// Starts this instance
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15 /// </summary>
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16 IPromise Start();
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18 /// <summary>
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19 /// Stops this instance, after the instance is stopped it can move to Failed, Ready or Disposed state, in case with the last it can't be reused.
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20 /// </summary>
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21 IPromise Stop();
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23 ExecutionState State { get; }
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25 event EventHandler<StateChangeEventArgs> StateChanged;
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27 Exception LastError { get; }
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28 }
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29 }
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