Function findModelObject

src/model/Loop.cpp:84–111

Recursive depth first search start algorithm with one source node in the visited vector searches all paths of nodes between the source and sink until a handle match is found

    // start algorithm with one source node in the visited vector
    // searches all paths of nodes between the source and sink until a handle match is found
    boost::optional<ModelObject> findModelObject(const openstudio::Handle& handle, const HVACComponent& sink, std::vector<HVACComponent>& visited,
                                                 bool isDemandComponents) {
      HVACComponent hvacComponent = visited.back();
      if (handle == hvacComponent.handle()) {
        return hvacComponent;
      }

      boost::optional<HVACComponent> prev;
      if (visited.size() >= 2u) {
        prev = visited.rbegin()[1];
      }

      std::vector<HVACComponent> nodes = hvacComponent.getImpl<HVACComponent_Impl>()->edges(prev);

      for (auto& node : nodes) {
        // if it node has already been visited or node is sink then continue
        if (std::find(visited.begin(), visited.end(), node) != visited.end() || node == sink) {
          continue;
        }
        visited.push_back(node);
        boost::optional<ModelObject> foundHandle = findModelObject(handle, sink, visited, isDemandComponents);
        if (foundHandle) {
          return *foundHandle;
        }
        visited.pop_back();
      }
      return boost::none;
    }

    OptionalModelObject Loop_Impl::component(openstudio::Handle handle) const {
      boost::optional<ModelObject> supplyComp = this->supplyComponent(handle);