Teko_RequestHandler.hpp

// @HEADER
// *****************************************************************************
//      Teko: A package for block and physics based preconditioning
//
// Copyright 2010 NTESS and the Teko contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef __Teko_RequestHandler_hpp__
#define __Teko_RequestHandler_hpp__

#include <vector>

#include "Teko_RequestCallback.hpp"

#include "Teuchos_RCP.hpp"

namespace Teko {

class RequestHandler {
 public:
  explicit RequestHandler();

  void addRequestCallback(const Teuchos::RCP<RequestCallbackBase> &callback);

  template <typename DataT>
  DataT request(const RequestMesg &rm) const;

  template <typename DataT>
  inline DataT request(const std::string &rm) const {
    return request<DataT>(RequestMesg(rm));
  }

  template <typename DataT>
  void preRequest(const RequestMesg &rm) const;

  template <typename DataT>
  inline void preRequest(const std::string &rm) const {
    preRequest<DataT>(RequestMesg(rm));
  }

 private:
  // stores the callbacks to be used by this handler.
  mutable std::vector<Teuchos::RCP<RequestCallbackBase> > callbacks_;

  // hidden from the user
  RequestHandler(const RequestHandler &rh);
  RequestHandler &operator=(const RequestHandler &);
  const RequestHandler &operator=(const RequestHandler &) const;
};

#include "Teko_RequestHandler_impl.hpp"

}  // namespace Teko

#endif