/// <inheritdoc/>
public async Task ExecuteAsync(CancellationToken cancellationToken)
{
try
{
await _fhirService.CheckFhirServiceCapability(cancellationToken);
LogWorkerStartingDelegate(_logger, null);
while (!cancellationToken.IsCancellationRequested)
{
try
{
await _changeFeedProcessor.ProcessAsync(_dicomCastWorkerConfiguration.PollIntervalDuringCatchup, cancellationToken);
await Task.Delay(_dicomCastWorkerConfiguration.PollInterval, cancellationToken);
}
catch (OperationCanceledException) when(cancellationToken.IsCancellationRequested)
{
// Cancel requested.
LogWorkerCancelRequestedDelegate(_logger, null);
break;
}
}
LogWorkerExitingDelegate(_logger, null);
}
catch (Exception ex)
{
LogUnhandledExceptionDelegate(_logger, ex);
// Any exception in ExecuteAsync will not shutdown application, call hostApplicationLifetime.StopApplication() to force shutdown.
// Please refer to .net core issue on github for more details: "Exceptions in BackgroundService ExecuteAsync are (sometimes) hidden" https://github.com/dotnet/extensions/issues/2363
_hostApplicationLifetime.StopApplication();
}
}
