Make FactoryParametrization compatible to dune 2.7

examples/FactoryParametrization.hpp

@@ -28,7 +28,6 @@ namespace AMDiS
 
 namespace Dune
 {
-
   /// \brief A factory class for \ref SimpleGrid.
   template <class Grid, class Projection>
   class GridFactory<AMDiS::Parametrization<Grid, Projection>>
@@ -50,8 +49,7 @@ namespace Dune
   public:
 
     /// Default constructor
-    GridFactory()
-    {}
+    GridFactory() = default;
 
     /// Insert a vertex into the coarse grid
     virtual void insertVertex(GlobalCoordinate const& pos) override
@@ -73,7 +71,7 @@ namespace Dune
       for (std::size_t i = 0; i < vertices.size(); ++i)
         corners[i] = coordinates[vertices[i]];
 
-      factory.insertElement(type, vertices, std::shared_ptr<ProjectionBase>(new Projection(std::move(corners))) );
+      factory.insertElement(type, vertices, std::make_shared<Projection>(std::move(corners)) );
     }
 
     virtual void insertBoundarySegment(std::vector<unsigned int> const& /*vertices*/) override
@@ -82,22 +80,24 @@ namespace Dune
     }
 
     /// Finalize grid creation and hand over the grid.
-    Grid* create()
+    std::unique_ptr<Grid> create()
     {
-      return factory.createGrid();
+      return std::unique_ptr<Grid>(factory.createGrid());
     }
 
+#if DUNE_VERSION_GT(DUNE_GRID,2,6)
+    virtual ToUniquePtr<GridWrapper> createGrid() override
+#else
     virtual GridWrapper* createGrid() override
+#endif
     {
       AMDiS::warning("Should not be created. Use non-virtual method `create()` instead, to create the underlying grid!");
       return nullptr;
     }
 
   private:
-
     // buffers for the mesh data
     std::vector<GlobalCoordinate> coordinates;
-
     GridFactory<Grid> factory;
   };