internal RetryableFhirTransactionPipeline(
IFhirTransactionPipeline fhirTransactionPipeline,
IExceptionStore exceptionStore,
int maxRetryCount)
{
EnsureArg.IsNotNull(fhirTransactionPipeline, nameof(fhirTransactionPipeline));
EnsureArg.IsNotNull(exceptionStore, nameof(exceptionStore));
_fhirTransactionPipeline = fhirTransactionPipeline;
_exceptionStore = exceptionStore;
_retryPolicy = Policy
.Handle <RetryableException>()
.WaitAndRetryAsync(
maxRetryCount,
retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)),
(exception, timeSpan, retryCount, context) =>
{
ChangeFeedEntry changeFeedEntry = (ChangeFeedEntry)context[nameof(ChangeFeedEntry)];
return(_exceptionStore.WriteRetryableExceptionAsync(
changeFeedEntry,
retryCount,
exception));
});
}
public RetryableFhirTransactionPipeline(IFhirTransactionPipeline fhirTransactionPipeline, IExceptionStore exceptionStore, IOptions <RetryConfiguration> retryConfiguration)
{
EnsureArg.IsNotNull(fhirTransactionPipeline, nameof(fhirTransactionPipeline));
EnsureArg.IsNotNull(exceptionStore, nameof(exceptionStore));
EnsureArg.IsNotNull(retryConfiguration, nameof(retryConfiguration));
_fhirTransactionPipeline = fhirTransactionPipeline;
_exceptionStore = exceptionStore;
_timeoutPolicy = Policy.TimeoutAsync(retryConfiguration.Value.TotalRetryDuration);
_retryPolicy = Policy
.Handle <RetryableException>()
.WaitAndRetryForeverAsync(
(retryAttempt, exception, context) =>
{
return(TimeSpan.FromSeconds(Math.Min(60, Math.Pow(2, retryAttempt))));
},
(exception, retryCount, timeSpan, context) =>
{
var changeFeedEntry = (ChangeFeedEntry)context[nameof(ChangeFeedEntry)];
return(_exceptionStore.WriteRetryableExceptionAsync(
changeFeedEntry,
retryCount,
timeSpan,
exception));
});
}
