public async Task <ImmutableArray <StoredValue> > GetAsync(MonikerVersionPartId monikerVersionPartId)
{
if (_notExists)
{
return(ImmutableArray <StoredValue> .Empty);
}
if (_loaded)
{
return(_storedValue);
}
var items = await _dataSourceClient.Get(
new DataSourceGetRequest
{
Id = new MonikerId
{
Version = new MonikerVersionId
{
Id = monikerVersionPartId.Id,
Version = monikerVersionPartId.Version,
Timestamp = monikerVersionPartId.Timestamp
}
}
}).ResponseStream.ReadAllAsync().ToArrayAsync();
var anyError = items.FirstOrDefault(item => item.RespCase == Error);
if (anyError != null)
{
throw new Exception($"Unexpected Error: '{anyError.Error}'");
}
var anyNotFound = items.FirstOrDefault(item => item.RespCase == NotFound);
if (anyNotFound != null)
{
_storedValue = ImmutableArray <StoredValue> .Empty;
_loaded = true;
_notExists = true;
}
else
{
_storedValue = ImmutableArray.Create(items.Select(item => item.Success).ToArray());
_loaded = true;
}
return(_storedValue);
}
public override async Task Get(DataSourceGetRequest request, IServerStreamWriter <DataSourceGetResponse> responseStream, ServerCallContext context)
{
var requestUid = Guid.NewGuid().ToString(); // TODO: Bind the UID to the request
_logger.LogInformation($"Started processing Get request: '{requestUid}' from '{context.Peer}'");
await Task.Run(async() =>
{
await foreach (var dsgr in _grpcClient.Get(request).ResponseStream.ReadAllAsync())
{
await responseStream.WriteAsync(dsgr);
}
});
_logger.LogInformation($"Finished processing Get request: '{requestUid}' from '{context.Peer}'");
}