##// END OF EJS Templates
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.

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r196:40d7fed4a09e default
r196:40d7fed4a09e default
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ActionTaskBase.cs
53 lines | 1.5 KiB | text/x-csharp | CSharpLexer
using System;
namespace Implab {
public class ActionTaskBase : AbstractTask {
readonly Action<Exception> m_cancel;
readonly Action<Exception> m_error;
protected ActionTaskBase( Action<Exception> error, Action<Exception> cancel, bool autoCancellable) {
m_error = error;
m_cancel = cancel;
if (autoCancellable)
CancellationRequested(CancelOperation);
}
public void Reject(Exception error) {
Safe.ArgumentNotNull(error, "error");
if (LockCancelation())
HandleErrorInternal(error);
}
public override void CancelOperation(Exception reason) {
if (LockCancelation())
HandleCancelInternal(reason);
}
protected void HandleErrorInternal(Exception error) {
if (m_error != null) {
try {
m_error(error);
SetResult();
} catch(Exception err) {
SetErrorInternal(err);
}
} else {
SetErrorInternal(error);
}
}
protected void HandleCancelInternal(Exception error) {
if (m_cancel != null) {
try {
m_cancel(error);
SetResult();
} catch(Exception err) {
SetErrorInternal(err);
}
} else {
SetCancelledInternal(error);
}
}
}
}