Panzer_FieldSpy.hpp

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// @HEADER
// *****************************************************************************
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//
// Copyright 2011 NTESS and the Panzer contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef __Panzer_FieldSpy_hpp__
#define __Panzer_FieldSpy_hpp__
 
#include "PanzerDiscFE_config.hpp"
#include "Phalanx_Evaluator_WithBaseImpl.hpp"
#include "Phalanx_Evaluator_Derived.hpp"
#include "Phalanx_FieldManager.hpp"
#include "Panzer_Dimension.hpp"
#include "Panzer_FieldLibrary.hpp"
#include <string>
 
namespace panzer {
    
template<typename EvalT, typename Traits>
class FieldSpy : public PHX::EvaluatorWithBaseImpl<Traits>,
                 public PHX::EvaluatorDerived<EvalT, Traits>  {
 
public:
    FieldSpy(const std::string & name,
             const Teuchos::RCP<PHX::DataLayout> & data_layout);
                                                                        
    void evaluateFields(typename Traits::EvalData d);               
 
    const PHX::FieldTag & getRequiredFieldTag() const 
    { return *dummyField; }
 
private:
  typedef typename EvalT::ScalarT ScalarT;
 
  Teuchos::RCP<PHX::FieldTag> dummyField;
  PHX::MDField<const ScalarT,panzer::Cell,panzer::Point> source;
};
 
}
 
#endif