MueLu_HierarchyUtils_decl.hpp

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//        MueLu: A package for multigrid based preconditioning
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#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_SmootherBase_fwd.hpp"
#include "MueLu_SmootherFactory_fwd.hpp"
#include "MueLu_SmootherPrototype_fwd.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:
     // needed to save & restore previous factoryManager
    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);
  };




} // namespace MueLu

#define MUELU_HIERARCHYUTILS_SHORT
#endif // MUELU_HIERARCHYUTILS_DECL_HPP