private void OnTryFaulted(NativeActivityFaultContext faultContext, Exception propagatedException, ActivityInstance propagatedFrom)
{
// TODO: delete
// Write event into the log
// This is necessary here because the trace log won't be available later
/*var record = new CustomTrackingRecord("OnTryFaulted", System.Diagnostics.TraceLevel.Error)
* {
* Data =
* {
* { "Exception", propagatedException },
* { "JobGuid", JobGuid.Get(faultContext) },
* { "UserGuid", UserGuid.Get(faultContext) },
* }
* };
* faultContext.Track(record);
*/
// Handle exception
int r = retries.Get(faultContext);
retries.Set(faultContext, ++r);
faultContext.CancelChild(propagatedFrom);
faultContext.HandleFault();
// Run the finally block before doing anything else
if (Finally != null)
{
faultContext.ScheduleActivity(this.Finally, OnFinallyComplete, OnFinallyFaulted);
}
else
{
OnFinallyComplete(faultContext, null);
}
// If retry is possible,
if (r < MaxRetries.Get(faultContext))
{
// absorb error
faultContext.HandleFault();
faultContext.ScheduleActivity(this.Try, OnTryComplete, OnTryFaulted);
}
else
{
// fault
throw propagatedException;
}
}
private void ActionFailed(NativeActivityFaultContext faultContext, Exception propagatedexception, ActivityInstance propagatedfrom)
{
Int32 currentAttemptCount = _attemptCount.Get(faultContext);
Int32 maxAttempts = MaxAttempts.Get(faultContext);
Type[] exceptionType = ExceptionType.Get(faultContext);
//Increment and track the count
currentAttemptCount++;
_attemptCount.Set(faultContext, currentAttemptCount);
if (currentAttemptCount >= maxAttempts)
{
// There are no further attempts to make
return;
}
if (ShouldRetryAction(exceptionType, propagatedexception) == false)
{
_log.Error("Will only retry exception of type '" + exceptionType.ToCSV() + "'. Unhandled type of '" + propagatedexception.GetType().FullName + "' was found.", propagatedexception);
return;
}
faultContext.CancelChild(propagatedfrom);
faultContext.HandleFault();
TimeSpan retryInterval = _delayOverrideForUnitTests == null?RetryInterval.Get(faultContext) : _delayOverrideForUnitTests.Value;
_log.Debug("Retrying in " + retryInterval.TotalSeconds + " seconds due to " + propagatedexception.GetType().FullName + ". " + currentAttemptCount + " of " + maxAttempts);
if (retryInterval == TimeSpan.Zero)
{
ExecuteAttempt(faultContext);
}
else
{
// We are going to wait before trying again
_delayDuration.Set(faultContext, retryInterval);
faultContext.ScheduleActivity(
_internalDelay,
DelayCompleted);
}
}
private void ActionFailed(NativeActivityFaultContext faultcontext, Exception propagatedexception, ActivityInstance propagatedfrom)
{
Int32 currentAttemptCount = _attemptCount.Get(faultcontext);
currentAttemptCount++;
_attemptCount.Set(faultcontext, currentAttemptCount);
Int32 maxAttempts = MaxAttempts.Get(faultcontext);
if (currentAttemptCount >= maxAttempts)
{
// There are no further attempts to make
return;
}
if (ShouldRetryAction(ExceptionType, propagatedexception) == false)
{
return;
}
faultcontext.CancelChild(propagatedfrom);
faultcontext.HandleFault();
TimeSpan retryInterval = RetryInterval.Get(faultcontext);
if (retryInterval == TimeSpan.Zero)
{
ExecuteAttempt(faultcontext);
}
else
{
// We are going to wait before trying again
_delayDuration.Set(faultcontext, retryInterval);
faultcontext.ScheduleActivity(_internalDelay, DelayCompleted);
}
}