[disc][wmpfa] Add draft for gridvolumevariables

dumux/discretization/cellcentered/wmpfa/gridvolumevariables.hh

+// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+// vi: set et ts=4 sw=4 sts=4:
+/*****************************************************************************
+ *   See the file COPYING for full copying permissions.                      *
+ *                                                                           *
+ *   This program is free software: you can redistribute it and/or modify    *
+ *   it under the terms of the GNU General Public License as published by    *
+ *   the Free Software Foundation, either version 3 of the License, or       *
+ *   (at your option) any later version.                                     *
+ *                                                                           *
+ *   This program is distributed in the hope that it will be useful,         *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the            *
+ *   GNU General Public License for more details.                            *
+ *                                                                           *
+ *   You should have received a copy of the GNU General Public License       *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.   *
+ *****************************************************************************/
+/*!
+ * \file
+ * \ingroup CCWMpfaDiscretization
+ * \brief The grid volume variables class for cell centered tpfa models
+ */
+#ifndef DUMUX_DISCRETIZATION_CC_WMPFA_GRID_VOLUMEVARIABLES_HH
+#define DUMUX_DISCRETIZATION_CC_WMPFA_GRID_VOLUMEVARIABLES_HH
+
+#include <dumux/discretization/cellcentered/wmpfa/elementvolumevariables.hh>
+#include <dumux/discretization/cellcentered/gridvolumevariables.hh>
+
+namespace Dumux {
+
+template<class P, class VV>
+struct CCWMpfaDefaultGridVolumeVariablesTraits
+{
+    using Problem = P;
+    using VolumeVariables = VV;
+
+    template<class GridVolumeVariables, bool cachingEnabled>
+    using LocalView = CCWMpfaElementVolumeVariables<GridVolumeVariables, cachingEnabled>;
+};
+
+/*!
+ * \ingroup CCWMpfaDiscretization
+ * \brief Base class for the grid volume variables
+ * \note This class has a cached version and a non-cached version
+ * \tparam Problem the type of problem we are solving
+ * \tparam VolumeVariables the type of volume variables we are using for the model
+ * \tparam Traits the traits class injecting the problem, volVar and elemVolVars type
+ * \tparam cachingEnabled if the cache is enabled
+ */
+template<class Problem,
+         class VolumeVariables,
+         bool cachingEnabled = false,
+         class Traits = CCWMpfaDefaultGridVolumeVariablesTraits<Problem, VolumeVariables> >
+class CCWMpfaGridVolumeVariables : public CCGridVolumeVariables<Traits, cachingEnabled>
+{
+public:
+    using ParentType = CCGridVolumeVariables<Traits, cachingEnabled>;
+    using ParentType::ParentType;
+};
+
+} // end namespace Dumux
+
+#endif