Teko_RequestHandler.hpp

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//      Teko: A package for block and physics based preconditioning
//                  Copyright 2010 Sandia Corporation 
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#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);

   /** Get the data for a particular request.
     *
     * \param[in] rm The message describing the request.
     */
   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"
 
}
 
#endif