public static async Task DurableFunctionWithRetryFailingActivity(
[OrchestrationTrigger] IDurableOrchestrationContext context)
{
using (var tracker = FuncRetryTracker.Track()) {
await context.CallActivityWithRetryAsync(
nameof(FailAtGivenCallNoActivity),
new RetryOptions(TimeSpan.FromMilliseconds(1), 2) { },
new RetryingActivitySetup
{
TrackerId = tracker.Id,
SucceedAtCallNo = -1
});
}
}
public static Task FailAtGivenCallNoActivity([ActivityTrigger] IDurableActivityContext context)
{
var activitySetup = context.GetInput <RetryingActivitySetup>();
var tracker = FuncRetryTracker.GetTracker(activitySetup.TrackerId);
tracker.TrackCall(nameof(FailAtGivenCallNoActivity));
var currentCallCount = tracker.GetCallCount(nameof(FailAtGivenCallNoActivity));
if (currentCallCount == activitySetup.SucceedAtCallNo)
{
return(Task.CompletedTask);
}
throw new Exception("Failing call no " + currentCallCount);
}