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 MOOSE_MFEM_ENABLED
      11             : 
      12             : #pragma once
      13             : 
      14             : #include "MFEMObject.h"
      15             : 
      16             : /**
      17             :  * Base class for construction of a mfem::ParSubMesh object. Access using the
      18             :  * getSubMesh() accessor.
      19             :  */
      20             : class MFEMSubMesh : public MFEMObject
      21             : {
      22             : public:
      23             :   static InputParameters validParams();
      24             : 
      25             :   MFEMSubMesh(const InputParameters & parameters);
      26             : 
      27             :   /// Returns a shared pointer to the constructed fespace.
      28         167 :   inline std::shared_ptr<mfem::ParSubMesh> getSubMesh()
      29             :   {
      30         167 :     if (!_submesh)
      31         167 :       buildSubMesh();
      32         167 :     return _submesh;
      33             :   }
      34             : 
      35             : protected:
      36             :   /// Stores the constructed submesh.
      37             :   std::shared_ptr<mfem::ParSubMesh> _submesh{nullptr};
      38             :   /// Constructs the submesh.
      39             :   virtual void buildSubMesh() = 0;
      40             : };
      41             : 
      42             : #endif