Function findModelObjects

src/model/Loop.cpp:185–224

Recursive depth first search start algorithm with one source node in the visited vector when complete, paths will be populated with all nodes between the source node and sink

    // start algorithm with one source node in the visited vector
    // when complete, paths will be populated with all nodes between the source node and sink
    void findModelObjects(const HVACComponent& sink, std::vector<HVACComponent>& visited, std::vector<HVACComponent>& paths,
                          bool isDemandComponents) {
      boost::optional<HVACComponent> prev;
      if (visited.size() >= 2u) {
        prev = visited.rbegin()[1];
      }

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

      for (const auto& node : nodes) {
        // if it node has already been visited then continue
        if (std::find(visited.begin(), visited.end(), node) != visited.end()) {
          continue;
        }
        if (node == sink) {
          visited.push_back(node);
          // Avoid pushing duplicate nodes into paths
          if (paths.empty()) {
            paths.insert(paths.end(), visited.begin(), visited.end());
          } else {
            for (const auto& visitedit : visited) {
              if (std::find(paths.begin(), paths.end(), visitedit) == paths.end()) {
                paths.push_back(visitedit);
              }
            }
          }
          visited.pop_back();
        }
      }

      for (const 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);
        findModelObjects(sink, visited, paths, isDemandComponents);
        visited.pop_back();
      }
    }

    std::vector<ModelObject> Loop_Impl::demandComponents(const HVACComponent& inletComp, const HVACComponent& outletComp,
                                                         openstudio::IddObjectType type) const {