Thyra_DefaultLinearOpSource_decl.hpp

// @HEADER
// *****************************************************************************
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//
// Copyright 2004 NTESS and the Thyra contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef THYRA_DEFUALT_LINEAR_OP_SOURCE_DECL_HPP
#define THYRA_DEFUALT_LINEAR_OP_SOURCE_DECL_HPP

#include "Thyra_LinearOpSourceBase.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"

namespace Thyra {

template<class Scalar>
class DefaultLinearOpSource : virtual public LinearOpSourceBase<Scalar>
{
public:


  DefaultLinearOpSource();

  DefaultLinearOpSource(
    const Teuchos::RCP<LinearOpBase<Scalar> >    &op
    );

  DefaultLinearOpSource(
    const Teuchos::RCP<const LinearOpBase<Scalar> >    &op
    );

  void initialize(
    const Teuchos::RCP<LinearOpBase<Scalar> >    &op
    );

  void initialize(
    const Teuchos::RCP<const LinearOpBase<Scalar> >    &op
    );

  void uninitialize();


  // ToDo: Override functions from Describable!

  bool isOpConst() const;
  Teuchos::RCP<LinearOpBase<Scalar> > getNonconstOp();
  Teuchos::RCP<const LinearOpBase<Scalar> > getOp() const;
  
private:
  
  Teuchos::ConstNonconstObjectContainer<LinearOpBase<Scalar> >  op_;
  
};

// //////////////////////////////
// Related functions

template <class Scalar>
Teuchos::RCP<const DefaultLinearOpSource<Scalar> >
defaultLinearOpSource(
  const Teuchos::RCP<const LinearOpBase<Scalar> >    &op
  )
{
  return Teuchos::rcp(new DefaultLinearOpSource<Scalar>(op));
}

} // namespace Thyra

#endif // THYRA_DEFUALT_LINEAR_OP_SOURCE_DECL_HPP