Panzer_GatherTangent_Epetra_decl.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_GatherTangent_Epetra_decl_hpp__
#define   __Panzer_GatherTangent_Epetra_decl_hpp__

//
//  Include Files
//

// Panzer
#include "Panzer_CloneableEvaluator.hpp"
#include "Panzer_Evaluator_WithBaseImpl.hpp"
#include "Panzer_EpetraVector_ReadOnly_GlobalEvaluationData.hpp"

// Phalanx
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"

//
//  Forward Declarations
//

namespace panzer
{
  class GlobalIndexer;
}

namespace panzer
{
  template<typename EvalT, typename TRAITS, typename LO, typename GO>
  class GatherTangent_Epetra
    :
    public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<EvalT, TRAITS>,
    public panzer::CloneableEvaluator
  {
    public:

      GatherTangent_Epetra(
        const Teuchos::RCP<const panzer::GlobalIndexer>& indexer)
        :
        globalIndexer_(indexer)
      {
      } // end of Constructor

      GatherTangent_Epetra(
        const Teuchos::RCP<const panzer::GlobalIndexer>& indexer,
        const Teuchos::ParameterList&                                  p);

      void
      postRegistrationSetup(
        typename TRAITS::SetupData d,
        PHX::FieldManager<TRAITS>& fm);

      void
      preEvaluate(
        typename TRAITS::PreEvalData d);

      void
      evaluateFields(
        typename TRAITS::EvalData d);

      virtual Teuchos::RCP<CloneableEvaluator>
      clone(
        const Teuchos::ParameterList& pl) const
      {
        using Teuchos::rcp;
        return rcp(new
          GatherTangent_Epetra<EvalT, TRAITS, LO, GO>(globalIndexer_, pl));
      } // end of clone()

    private:

      typedef typename EvalT::ScalarT ScalarT;

      Teuchos::RCP<const panzer::GlobalIndexer> globalIndexer_;

      std::vector<int> fieldIds_;

      std::vector<PHX::MDField<ScalarT, Cell, NODE>> gatherFields_;

      Teuchos::RCP<std::vector<std::string>> indexerNames_;

      bool useTimeDerivativeSolutionVector_;

      std::string globalDataKey_;

      Teuchos::RCP<panzer::EpetraVector_ReadOnly_GlobalEvaluationData>
      dxdpEvRoGed_;

      GatherTangent_Epetra();

  }; // end of class GatherTangent_Epetra

} // end of namespace panzer

#endif // __Panzer_GatherTangent_Epetra_decl_hpp__