protected override Task DelayAsync(RetryContext context, CancellationToken cancellationToken = default)
{
var delay = TimeSpan.FromSeconds(BaseDelay.TotalSeconds * Math.Pow(context.RetryCount, ExponentialPower));
if (MaxRetryDelay >= TimeSpan.Zero && delay > MaxRetryDelay)
{
delay = MaxRetryDelay;
}
// delay (to the power of 3): 0s, 1s, 8s, 27s, 64s but if max is at 60s, then: ... 27s, 60s, 60s....
return(Task.Delay(delay, cancellationToken));
}
public virtual async Task <bool> CheckRetryAndDelayAsync(RetryContext context, CancellationToken cancellationToken = default)
{
ArgCheck.NotNull(nameof(context), context);
var maxRetryCount = GetMaxRetryCount();
if (maxRetryCount.HasValue && context.RetryCount >= maxRetryCount.Value)
{
return(false);
}
await DelayAsync(context, cancellationToken).ConfigureAwait(false);
context.RetryCount++;
return(true);
}
protected internal OperationContext(string operationId, object state, RetryContext retryContext)
{
OperationId = operationId;
State = state;
RetryContext = retryContext;
}
protected internal OperationContext(object state, RetryContext retryContext)
: this(Guid.NewGuid().ToString("D"), state, retryContext)
{
}
protected virtual Task DelayAsync(RetryContext context, CancellationToken cancellationToken = default)
{
return(Task.CompletedTask);
}
protected override Task DelayAsync(RetryContext context, CancellationToken cancellationToken = default) => Task.Delay(RetryDelays[context.RetryCount], cancellationToken);
