public override async Task <T> Get <T>(Guid id)
{
var attemptResult = new RetriableActivityOutcome <T>();
do
{
attemptResult = await this.Get <T>(id, attemptResult.AttemptsMade);
} while (attemptResult.IsRetriable);
if (attemptResult.WasSuccessful)
{
return(attemptResult.Result);
}
throw attemptResult.Exception;
}
private async Task <RetriableActivityOutcome <T> > Get <T>(Guid id, int attempt)
{
try
{
// Make the attempt.
var result = await base.Get <T>(id);
return(RetriableActivityOutcome <T> .Successful(result, attempt + 1));
}
catch (DocumentClientException ex) when(ex.StatusCode == (HttpStatusCode)429)
{
// Determine if we should retry based on this instances RetryOptions - the wait phase is baked into this method.
if (!await this.IsRetriable(attempt))
{
return(RetriableActivityOutcome <T> .Failure(ex, attempt + 1));
}
// Recursively call this method.
return(RetriableActivityOutcome <T> .Retriable(ex, attempt + 1));
}
}
