Creates GridInit template class.

CMakeLists_files.cmake

@@ -143,6 +143,7 @@ list (APPEND PUBLIC_HEADER_FILES
 	opm/autodiff/ExtractParallelGridInformationToISTL.hpp
 	opm/autodiff/GeoProps.hpp
 	opm/autodiff/GridHelpers.hpp
+	opm/autodiff/GridInit.hpp
 	opm/autodiff/ImpesTPFAAD.hpp
 	opm/autodiff/moduleVersion.hpp
 	opm/autodiff/NewtonIterationBlackoilCPR.hpp

opm/autodiff/GridInit.hpp

@@ -0,0 +1,94 @@
+/*
+  Copyright 2015 SINTEF ICT, Applied Mathematics.
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM 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.
+
+  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef OPM_GRIDINIT_HEADER_INCLUDED
+#define OPM_GRIDINIT_HEADER_INCLUDED
+
+#include <opm/parser/eclipse/Deck/Deck.hpp>
+#include <opm/parser/eclipse/EclipseState/EclipseState.hpp>
+#include <opm/core/grid/GridManager.hpp>
+
+#if HAVE_DUNE_CORNERPOINT
+#include <dune/grid/CpGrid.hpp>
+#endif
+
+
+namespace Opm
+{
+
+    /// A class intended to give a generic interface to
+    /// initializing and accessing UnstructuredGrid and CpGrid,
+    /// using specialized templates to accomplish this.
+    template <class Grid>
+    class GridInit
+    {
+    public:
+        /// Initialize from a deck and/or an eclipse state and (logical cartesian) specified pore volumes.
+        GridInit(DeckConstPtr, EclipseStateConstPtr, const std::vector<double>&)
+        {
+            OPM_THROW(std::logic_error, "Found no specialization for GridInit for the requested Grid class.");
+        }
+    };
+
+
+    /// Specialization for UnstructuredGrid.
+    template <>
+    class GridInit<UnstructuredGrid>
+    {
+    public:
+        /// Initialize from a deck and/or an eclipse state and (logical cartesian) specified pore volumes.
+        GridInit(DeckConstPtr, EclipseStateConstPtr eclipse_state, const std::vector<double>& porv)
+            : grid_manager_(eclipse_state->getEclipseGrid(), porv)
+        {
+        }
+        /// Access the created grid.
+        const UnstructuredGrid& grid()
+        {
+            return *grid_manager_.c_grid();
+        }
+    private:
+        GridManager grid_manager_;
+    };
+
+
+#if HAVE_DUNE_CORNERPOINT
+    /// Specialization for CpGrid.
+    template <>
+    class GridInit<Dune::CpGrid>
+    {
+    public:
+        /// Initialize from a deck and/or an eclipse state and (logical cartesian) specified pore volumes.
+        GridInit(DeckConstPtr deck, EclipseStateConstPtr, const std::vector<double>& porv)
+        {
+            grid_.processEclipseFormat(deck, false, false, false, porv);
+        }
+        /// Access the created grid. Note that mutable access may be required for load balancing.
+        Dune::CpGrid& grid()
+        {
+            return grid_;
+        }
+    private:
+        Dune::CpGrid grid_;
+    };
+#endif // HAVE_DUNE_CORNERPOINT
+
+
+} // namespace Opm
+
+#endif // OPM_GRIDINIT_HEADER_INCLUDED