Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #ifdef MFEM_ENABLED
      11             : 
      12             : #pragma once
      13             : #include "MFEMGeneralUserObject.h"
      14             : #include "libmesh/ignore_warnings.h"
      15             : #include <mfem.hpp>
      16             : #include "libmesh/restore_warnings.h"
      17             : 
      18             : /**
      19             :  * Base class for construction of a mfem::ParSubMesh object. Access using the
      20             :  * getSubMesh() accessor.
      21             :  */
      22             : class MFEMSubMesh : public MFEMGeneralUserObject
      23             : {
      24             : public:
      25             :   static InputParameters validParams();
      26             : 
      27             :   MFEMSubMesh(const InputParameters & parameters);
      28             : 
      29             :   /// Returns a shared pointer to the constructed fespace.
      30          12 :   inline std::shared_ptr<mfem::ParSubMesh> getSubMesh()
      31             :   {
      32          12 :     if (!_submesh)
      33          12 :       buildSubMesh();
      34          12 :     return _submesh;
      35             :   }
      36             : 
      37             : protected:
      38             :   /// Stores the constructed submesh.
      39             :   std::shared_ptr<mfem::ParSubMesh> _submesh{nullptr};
      40             :   /// Constructs the submesh.
      41             :   virtual void buildSubMesh() = 0;
      42             : };
      43             : 
      44             : #endif