Method NodeToJson

Modules/RESTAPI/src/mitkDataStorageBridge.cpp:1328–1372

  }

  DataStorageBridge::Json DataStorageBridge::NodeToJson(DataNode* node) const
  {
    // Note: caller must hold m_Mutex
    auto dataStorage = m_DataStorage.Lock();
    if (dataStorage.IsNull())
      mitkThrow() << "NodeToJson called without a valid DataStorage.";

    Json result;

    // Get or create UID
    result["uid"] = m_UidMapper->GetOrCreateUid(node);
    result["name"] = node->GetName();
    result["path"] = this->BuildNodePath(node);

    // Get parent UID if exists
    auto sources = dataStorage->GetSources(node);
    if (sources->Size() > 0)
    {
      auto parent = sources->ElementAt(0).GetPointer();
      result["parent_uid"] = m_UidMapper->GetOrCreateUid(parent);
    }
    else
    {
      result["parent_uid"] = nullptr;
    }

    // Get data type
    auto data = node->GetData();
    if (data != nullptr)
    {
      result["data_type"] = data->GetNameOfClass();
    }
    else
    {
      result["data_type"] = nullptr;
    }

    // Children count
    result["children_count"] = this->GetChildrenCount(node);

    // Timestamp: ITK modified time (ever-increasing integer, session-only, higher is newer)
    result["timestamp"] = static_cast<unsigned long>(node->GetMTime());

    return result;
  }

  std::string DataStorageBridge::BuildNodePath(const DataNode* node) const
  {