##// END OF EJS Templates
implab » ImplabNet
RSS
fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
cin - - Load All Authors

File last commit:

r187:dd4a3590f9c6 ref20160224
r196:40d7fed4a09e default
Show More
AbstractTaskT.cs
36 lines | 1.3 KiB | text/x-csharp | CSharpLexer
/ Implab / AbstractTaskT.cs
History | Annotation | Raw |Copy content |Copy permalink
using System;
using System.Threading;
namespace Implab {
public abstract class AbstractTask<T> : AbstractPromise<T> {
int m_cancelationLock;
/// <summary>
/// Получает эксклюзивное право отмены задания, используется для отмены задания до начала его выполнения.
/// </summary>
/// <returns><c>true</c>, if cancelation was locked, <c>false</c> otherwise.</returns>
protected bool LockCancelation() {
return 0 == Interlocked.CompareExchange(ref m_cancelationLock, 1, 0);
}
protected void SetErrorInternal(Exception error) {
// unwrap
while (error is PromiseTransientException && error.InnerException != null)
error = error.InnerException;
if (error is OperationCanceledException)
SetCancelled(error);
else
SetError(error);
}
protected void SetCancelledInternal(Exception reason) {
SetCancelled(
reason == null ? new OperationCanceledException() : reason is OperationCanceledException ? reason : new OperationCanceledException(null, reason)
);
}
}
}