private bool CheckNotPastLockedDateTime(out TimeSpan waitFor, DateTime timeToCheck)
{
// If lockedDateTime doesn't have a value, storedLockedDateTime is null
// If lockedDateTime has a value, but it is before the timeToCheck, set it to null, and set storedLockedDateTime to null
// Otherwise, set storedLockedDateTime to the value of lockedDateTime
var storedLockedDateTime = LockHelper.LockedCreateOrUpdate(
ref _disabledUntilLock,
ref _disabledUntil,
(currentValue) => currentValue.HasValue && timeToCheck > currentValue,
(currentValue) =>
{
return(null);
}
);
// If storedLockedDateTime is not null, we return false (the time to check is before the lockedDateTime) and we out the remaining time difference.
if (storedLockedDateTime.HasValue)
{
waitFor = storedLockedDateTime.Value - timeToCheck;
return(false);
}
// Otherwise, we return false, and out 0 (as we've already passed the time stored in lockedDateTime)
waitFor = TimeSpan.Zero;
return(true);
}
/// <summary>
/// See ISettableCircuitProvider
/// </summary>
public void SetOpenUntil(DateTime newTime)
{
// If lockedDateTime does not have a value OR it does have a value but that value is less than
// the newTime passed in, set lockedDateTime to the value passed in.
// Otherwise, leave lockedDateTime with the current value
LockHelper.LockedCreateOrUpdate(
ref _disabledUntilLock,
ref _disabledUntil,
(currentValue) => !currentValue.HasValue || (currentValue.HasValue && newTime > currentValue),
(currentValue) => newTime
);
}