public override async Task Get(GetRequest request, IServerStreamWriter <QueryResponse> responseStream, ServerCallContext context)
{
try
{
// convert iri strings to flatbuffer NodeIDs
var nodeIds = request.Iris.Select(iri =>
{
var builder = new FlatBufferBuilder(16);
var nid = NodeID.CreateNodeID(builder, "".CopyTo(builder), iri.CopyTo(builder));
builder.Finish(nid.Value);
return(NodeID.GetRootAsNodeID(builder.DataBuffer));
});
var result = await _db.Items(nodeIds);
var sendCount = 0;
foreach (var chunk in result)
{
sendCount++;
var fn = new FlatNode();
// todo: remove the double copy here
_logger.LogInformation($"Sending Node:\n {chunk.ToDisplayString()}");
fn.FlatBuffer = ByteString.CopyFrom(chunk.ByteBuffer.ToSizedArray());
var qr = new QueryResponse();
qr.Node = fn;
await responseStream.WriteAsync(qr);
}
_logger.LogInformation($"Sent back {sendCount} items.");
}
catch (Exception e)
{
_logger.LogError(e, "Get failed");
}
}
