Teko Version of the Day
Teko_RequestHandler.hpp
00001 /*
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00003 // 
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00005 // 
00006 //      Teko: A package for block and physics based preconditioning
00007 //                  Copyright 2010 Sandia Corporation 
00008 //  
00009 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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00011 //  
00012 // Redistribution and use in source and binary forms, with or without
00013 // modification, are permitted provided that the following conditions are
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00015 //  
00016 // 1. Redistributions of source code must retain the above copyright
00017 // notice, this list of conditions and the following disclaimer.
00018 //  
00019 // 2. Redistributions in binary form must reproduce the above copyright
00020 // notice, this list of conditions and the following disclaimer in the
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00022 //  
00023 // 3. Neither the name of the Corporation nor the names of the
00024 // contributors may be used to endorse or promote products derived from
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00045 */
00046 
00047 #ifndef __Teko_RequestHandler_hpp__
00048 #define __Teko_RequestHandler_hpp__
00049 
00050 #include <vector>
00051 
00052 #include "Teko_RequestCallback.hpp"
00053 
00054 #include "Teuchos_RCP.hpp"
00055 
00056 namespace Teko {
00057 
00069 class RequestHandler {
00070 public:
00071    explicit RequestHandler();
00072 
00077    void addRequestCallback(const Teuchos::RCP<RequestCallbackBase> & callback);
00078 
00083    template <typename DataT>
00084    DataT request(const RequestMesg & rm) const;
00085 
00090    template <typename DataT>
00091    inline DataT request(const std::string & rm) const
00092    { return request<DataT>(RequestMesg(rm)); }
00093 
00101    template <typename DataT>
00102    void preRequest(const RequestMesg & rm) const;
00103 
00111    template <typename DataT>
00112    inline void preRequest(const std::string & rm) const
00113    { preRequest<DataT>(RequestMesg(rm)); }
00114 
00115 private:
00116    // stores the callbacks to be used by this handler.
00117    mutable std::vector<Teuchos::RCP<RequestCallbackBase> > callbacks_;
00118 
00119    // hidden from the user
00120    RequestHandler(const RequestHandler & rh);
00121    RequestHandler & operator=(const RequestHandler &);
00122    const RequestHandler & operator=(const RequestHandler &) const;
00123 };
00124 
00125 #include "Teko_RequestHandler_impl.hpp"
00126 
00127 }
00128 
00129 #endif
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