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C++ datalayer example with metadata and flatbuffers

C++ datalayer example with metadata and flatbuffers

Anonymous
Not applicable

Hi

Is there any sample code available of how to use metadata and flatbuffers for a node in the datalayer?

 

1 REPLY 1

JohannesA
Established Member

Hi Borje,

I'am currently working on an example with metadata and flatbuffers. 

void onMetadata(const std::string &address, const ResponseCallback &callback)
{
  flatbuffers::FlatBufferBuilder builder;
  auto emptyString = builder.CreateString("This is a Description");

  AllowedOperationsBuilder allowedOperations(builder);
  allowedOperations.add_read(true);
  allowedOperations.add_write(false);
  allowedOperations.add_create(true);
  allowedOperations.add_delete_(false);
  auto operations = allowedOperations.Finish();

  comm::datalayer::MetadataBuilder metadata(builder);
  metadata.add_description(emptyString);
  metadata.add_descriptionUrl(emptyString);
  metadata.add_operations(operations);
  auto metaFinished = metadata.Finish();
  builder.Finish(metaFinished);

  comm::datalayer::Variant variant;
  variant.shareFlatbuffers(builder);
  callback(comm::datalayer::DlResult::DL_OK, &variant);
}

 

You need something like that, in the next sdk there will be an example.

 

 

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