Method UpdateStatesFromObjects

Serialization/Manager/vtkObjectManager.cxx:716–761

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkObjectManager::UpdateStatesFromObjects()
{
  // Reset dependency cache as it will be rebuilt.
  this->Context->ResetDirectDependencies();
  // All objects go under the top level root node
  vtkMarshalContext::ScopedParentTracker rootNodeTracker(this->Context, vtkObjectManager::ROOT());
  // serializes all objects with strong references held by the manager.
  const auto managerStrongObjectsIter = this->Context->StrongObjects().find(this->OWNERSHIP_KEY());
  // serializes all objects with strong references held by the deserializer.
  const auto deserializerOwnershipKey = this->Deserializer->GetObjectDescription();
  const auto deserStrongObjectsIter = this->Context->StrongObjects().find(deserializerOwnershipKey);
  // serializes all objects with strong references held by the invoker.
  const auto invokerOwnershipKey = this->Invoker->GetObjectDescription();
  const auto invokerStrongObjectsIter = this->Context->StrongObjects().find(invokerOwnershipKey);
  if (managerStrongObjectsIter != this->Context->StrongObjects().end())
  {
    for (const auto& object : managerStrongObjectsIter->second)
    {
      auto stateId = this->Serializer->SerializeJSON(object);
      auto idIter = stateId.find("Id");
      if ((idIter != stateId.end()) && idIter->is_number_unsigned())
      {
        auto& state = this->Context->GetState(idIter->get<vtkTypeUInt32>());
        state["vtk-object-manager-kept-alive"] = true;
      }
    }
  }
  if (deserStrongObjectsIter != this->Context->StrongObjects().end())
  {
    for (const auto& object : deserStrongObjectsIter->second)
    {
      this->Serializer->SerializeJSON(object);
    }
  }
  if (invokerStrongObjectsIter != this->Context->StrongObjects().end())
  {
    for (const auto& object : invokerStrongObjectsIter->second)
    {
      this->Serializer->SerializeJSON(object);
    }
  }
  // Remove unused states
  this->PruneUnusedStates();
  // Remove unused objects
  this->PruneUnusedObjects();
}

//------------------------------------------------------------------------------
void vtkObjectManager::UpdateStatesFromObjects(const std::vector<vtkTypeUInt32>& identifiers)