localfunction_imp.hh

// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
 
// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
 
#ifndef DUNE_FUNCTIONS_COMMON_LOCALFUNCTION_FUNCTION_IMP_HH
#define DUNE_FUNCTIONS_COMMON_LOCALFUNCTION_FUNCTION_IMP_HH
 
#include <dune/functions/common/type_traits.hh>
#include <dune/functions/common/differentiablefunction_imp.hh>
 
 
 
namespace Dune {
namespace Functions {
namespace Imp {
 
// Interface of type erasure wrapper
//
// Notice that the basic interface of polymorphic classes (destructor, clone, ...)
// will be added by the type erasure foundation classes.
template<class Signature, class DerivativeInterface, class LocalContext>
class LocalFunctionWrapperInterface :
  public DifferentiableFunctionWrapperInterface<Signature, DerivativeInterface>
{
public:
  virtual void bind(const LocalContext&) = 0;
 
  virtual void unbind() = 0;
 
  virtual bool bound() const = 0;
 
  virtual const LocalContext& localContext() const = 0;
};
 
 
// Implementation of type erasure wrapper
template<class Signature, class DerivativeInterface, class LocalContext, class B>
class LocalFunctionWrapperImplementation :
  public DifferentiableFunctionWrapperImplementation<Signature, DerivativeInterface, B>
{
  using Base = DifferentiableFunctionWrapperImplementation<Signature, DerivativeInterface, B>;
public:
  using Base::Base;
 
  virtual void bind(const LocalContext& context)
  {
    this->get().bind(context);
  }
 
  virtual void unbind()
  {
    this->get().unbind();
  }
 
  virtual bool bound() const
  {
    return this->get().bound();
  }
 
  virtual const LocalContext& localContext() const
  {
    return this->get().localContext();
  }
};
 
}}} // namespace Dune::Functions::Imp
 
 
 
#endif // DUNE_FUNCTIONS_COMMON_DIFFERENTIABLE_FUNCTION_IMP_HH