Teuchos_RefCountPtrBoostSharedPtrConversionsDecl.hpp

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// 
//                    Teuchos: Common Tools Package
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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// This library is distributed in the hope that it will be useful, but
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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#ifndef TEUCHOS_REFCOUNTPTR_SHAREDPTR_CONVERSIONS_DECL_H
#define TEUCHOS_REFCOUNTPTR_SHAREDPTR_CONVERSIONS_DECL_H

#include "Teuchos_RefCountPtrDecl.hpp"
#include "boost/shared_ptr.hpp"

namespace Teuchos {


template<class T>
class DeallocBoostSharedPtr
{
public:
  DeallocBoostSharedPtr( const boost::shared_ptr<T> &sptr ) : sptr_(sptr) {}
  typedef T ptr_t;
  void free( T* ptr ) const { sptr_.reset(); }
  const boost::shared_ptr<T>& ptr() const { return sptr_; }
private:
  mutable boost::shared_ptr<T> sptr_;
  DeallocBoostSharedPtr(); // Not defined and not to be called!
};

template<class T>
class RefCountPtrDeleter
{
public:
  RefCountPtrDeleter( const RefCountPtr<T> &rcp ) : rcp_(rcp) {}
  typedef void result_type;
  typedef T * argument_type;
  void operator()(T * x) const { rcp_ = null; }
  const RefCountPtr<T>& ptr() const { return rcp_; }
private:
  mutable RefCountPtr<T> rcp_;
  RefCountPtrDeleter(); // Not defined and not to be called!
};

template<class T>
RefCountPtr<T> rcp( const boost::shared_ptr<T> &sptr );

template<class T>
boost::shared_ptr<T> shared_pointer( const RefCountPtr<T> &rcp );


} // namespace Teuchos

#endif  // TEUCHOS_REFCOUNTPTR_SHAREDPTR_CONVERSIONS_DECL_H

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