Result EdgeInfo::Dump()

in cpp/src/graphar/graph_info.cc [933:986]

• 54 lines of code
• 12 McCabe index (conditional complexity)

Result<std::string> EdgeInfo::Dump() const noexcept {
  if (!IsValidated()) {
    return Status::Invalid("The edge info is not validated.");
  }
  std::string dump_string;
  ::Yaml::Node node;
  try {
    node["src_type"] = impl_->src_type_;
    node["edge_type"] = impl_->edge_type_;
    node["dst_type"] = impl_->dst_type_;
    node["chunk_size"] = std::to_string(impl_->chunk_size_);
    node["src_chunk_size"] = std::to_string(impl_->src_chunk_size_);
    node["dst_chunk_size"] = std::to_string(impl_->dst_chunk_size_);
    node["prefix"] = impl_->prefix_;
    node["directed"] = impl_->directed_ ? "true" : "false";
    for (const auto& adjacent_list : impl_->adjacent_lists_) {
      ::Yaml::Node adj_list_node;
      auto adj_list_type = adjacent_list->GetType();
      auto pair = AdjListTypeToOrderedAligned(adj_list_type);
      adj_list_node["ordered"] = pair.first ? "true" : "false";
      adj_list_node["aligned_by"] = pair.second;
      adj_list_node["prefix"] = adjacent_list->GetPrefix();
      adj_list_node["file_type"] =
          FileTypeToString(adjacent_list->GetFileType());
      node["adj_lists"].PushBack();
      node["adj_lists"][node["adj_lists"].Size() - 1] = adj_list_node;
    }
    for (const auto& pg : impl_->property_groups_) {
      ::Yaml::Node pg_node;
      if (!pg->GetPrefix().empty()) {
        pg_node["prefix"] = pg->GetPrefix();
      }
      pg_node["file_type"] = FileTypeToString(pg->GetFileType());
      for (const auto& p : pg->GetProperties()) {
        ::Yaml::Node p_node;
        p_node["name"] = p.name;
        p_node["data_type"] = p.type->ToTypeName();
        p_node["is_primary"] = p.is_primary ? "true" : "false";
        p_node["is_nullable"] = p.is_nullable ? "true" : "false";
        pg_node["properties"].PushBack();
        pg_node["properties"][pg_node["properties"].Size() - 1] = p_node;
      }
      node["property_groups"].PushBack();
      node["property_groups"][node["property_groups"].Size() - 1] = pg_node;
    }
    if (impl_->version_ != nullptr) {
      node["version"] = impl_->version_->ToString();
    }
    ::Yaml::Serialize(node, dump_string);
  } catch (const std::exception& e) {
    return Status::Invalid("Failed to dump edge info: ", e.what());
  }
  return dump_string;
}