public override Stream GetBlobStream(Guid blobId, CallContext context)
{
Assert.ArgumentNotNull(context, "context");
if (!_externalBlobStorageProviderConfigured)
{
return(base.GetBlobStream(blobId, context));
}
var memoryStream = new MemoryStream();
_blobStorageProvider.Get(memoryStream, blobId.ToString());
// Note: If blob stream not found from the external storage then fall-back to default one
return(memoryStream.Length > 0 ? memoryStream : base.GetBlobStream(blobId, context));
}