##// END OF EJS Templates
working on promises
working on promises

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IDeferred.cs
31 lines | 1.2 KiB | text/x-csharp | CSharpLexer
using System;
namespace Implab {
/// <summary>
/// Deferred result, usually used by asynchronous services as the service part of the promise.
/// </summary>
public interface IDeferred {
void Resolve();
/// <summary>
/// Reject the promise with the specified error.
/// </summary>
/// <param name="error">The reason why the promise is rejected.</param>
/// <remarks>
/// Some exceptions are treated in a special case:
/// <see cref="OperationCanceledException"/> is interpreted as call to <see cref="Cancel()"/> method,
/// and <see cref="PromiseTransientException"/> is always unwrapped and its
/// <see cref="PromiseTransientException.InnerException"> is used as the reason to reject promise.
/// </remarks>
void Reject(Exception error);
/// <summary>
/// Marks current instance as cencelled with the specified reason.
/// </summary>
/// <param name="reason">The reason for the operation cancellation,
/// if not specified the new <see cref="OperationCanceledException"> will be created</param>
void SetCancelled(Exception reason);
}
}