/// <summary>
/// Invoke operation async
/// </summary>
/// <param name="operation">the operation async</param>
/// <param name="onException">the exception handler async</param>
/// <param name="retryManager">the retry manager</param>
/// <returns>the operation result</returns>
public async static Task <T> InvokeOperationAsync(OperationDelegateAsync operation, HandleExceptionDelegateAsync onException, RetryManager retryManager)
{
Exception lastException = null;
while (true)
{
try
{
return(await operation().ConfigureAwait(false));
}
catch (Exception e)
{
lastException = e;
}
await onException(lastException, retryManager).ConfigureAwait(false);
if (retryManager.HasAttemptsLeft)
{
await retryManager.AwaitForNextAttempt().ConfigureAwait(false);
}
else
{
break;
}
}
throw lastException;
}