MueLu_HierarchyUtils_decl.hpp

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// @HEADER
// *****************************************************************************
//        MueLu: A package for multigrid based preconditioning
//
// Copyright 2012 NTESS and the MueLu contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef MUELU_HIERARCHYUTILS_DECL_HPP
#define MUELU_HIERARCHYUTILS_DECL_HPP

#include "MueLu_ConfigDefs.hpp"

#include "MueLu_FactoryManager_fwd.hpp"
#include "MueLu_FactoryManagerBase.hpp"
#include "MueLu_HierarchyUtils_fwd.hpp"
#include "MueLu_Level_fwd.hpp"
#include "MueLu_SingleLevelFactoryBase.hpp"
#include "MueLu_TwoLevelFactoryBase.hpp"
#include "MueLu_Hierarchy_fwd.hpp"
#include "MueLu_HierarchyManager_fwd.hpp"

// Warning: on TopRAPFactory and TopSmootherFactory constructors, Teuchos::null doesn't mean "default factory" but "no build"

namespace MueLu {

class SetFactoryManager {
 public:

  SetFactoryManager(const RCP<Level>& level, const RCP<const FactoryManagerBase>& factoryManager)
    : level_(level)
    , prevFactoryManager_(level->GetFactoryManager()) {
    // set new factory manager
    level->SetFactoryManager(factoryManager);
  }

  virtual ~SetFactoryManager() {
    // restore previous factory manager
    level_->SetFactoryManager(prevFactoryManager_);
  }


 private:
  const RCP<Level> level_;
  const RCP<const FactoryManagerBase> prevFactoryManager_;
};

template <class Scalar,
          class LocalOrdinal  = DefaultLocalOrdinal,
          class GlobalOrdinal = DefaultGlobalOrdinal,
          class Node          = DefaultNode>
class HierarchyUtils {
#undef MUELU_HIERARCHYUTILS_SHORT
#include "MueLu_UseShortNames.hpp"
 public:
  static void AddNonSerializableDataToHierarchy(HierarchyManager& HM, Hierarchy& H, const ParameterList& nonSerialList);
  static void CopyBetweenHierarchies(Hierarchy& fromHierarchy, Hierarchy& toHierarchy, const std::string fromLabel, const std::string toLabel, const std::string dataType);
};

}  // namespace MueLu

#define MUELU_HIERARCHYUTILS_SHORT
#endif  // MUELU_HIERARCHYUTILS_DECL_HPP