Panzer_BC.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef PANZER_BC_HPP
#define PANZER_BC_HPP

#include <string>
#include <iostream>
#include <functional>
#include <cstddef>
#include <vector>

#include <unordered_map>

#include "Teuchos_RCP.hpp"

#include "Panzer_GlobalData.hpp"

namespace Teuchos {
  class ParameterList;
}

namespace panzer {

  class BC;
  class WorksetDescriptor;

  void buildBCs(std::vector<panzer::BC>& bcs, const Teuchos::ParameterList& p, const Teuchos::RCP<panzer::GlobalData> global_data);

  enum BCType {
    BCT_Dirichlet,
    BCT_Neumann,
    BCT_Interface
  };

  class BC {
  public:
    // types supporting hashing
    struct BCHash {
      std::hash<std::string> hash;
      std::size_t operator()(const BC & bc) const
      { return this->hash(bc.elementBlockID() + "_" + bc.sidesetID());}
    };

    struct BCEquality {
      bool operator()(const BC & bc1,const BC & bc2) const
      { return bc1.elementBlockID()==bc2.elementBlockID() && bc1.sidesetID()==bc2.sidesetID(); }
    };
    
  public:

    BC(std::size_t bc_id,
       BCType bc_type,
       std::string sideset_id,
       std::string element_block_id,
       std::string equation_set_name,
       std::string strategy);

    BC(std::size_t bc_id,
       BCType bc_type,
       std::string sideset_id,
       std::string element_block_id,
       std::string equation_set_name,
       std::string strategy,
       const Teuchos::ParameterList& p);

    BC(std::size_t bc_id,
       const Teuchos::ParameterList& p);

    BC(std::size_t bc_id,
       const Teuchos::ParameterList& p,
       const Teuchos::RCP<panzer::GlobalData> gd);

    ~BC();

    std::size_t bcID() const;

    BCType bcType() const;

    std::string sidesetID() const;

    std::string elementBlockID() const;

    std::string elementBlockID2() const;

    std::string equationSetName() const;

    std::string equationSetName2() const;

    std::string strategy() const;

    Teuchos::RCP<const Teuchos::ParameterList> params() const;

    Teuchos::RCP<panzer::GlobalData> global_data() const;

    Teuchos::RCP<Teuchos::ParameterList> nonconstParams() const;

    std::string identifier() const;

    void print(std::ostream& os) const;

  private:

    void validateParameters(Teuchos::ParameterList& p) const;

  private:

    std::size_t m_bc_id;

    BCType m_bc_type;

    std::string m_sideset_id;

    std::string m_element_block_id;

    std::string m_element_block_id2;

    std::string m_equation_set_name;

    std::string m_equation_set_name2;

    std::string m_strategy;

    Teuchos::RCP<Teuchos::ParameterList> m_params;

    Teuchos::RCP<panzer::GlobalData> m_gd;
  };

  std::ostream& 
    operator<<(std::ostream & os, const panzer::BC& bc);

  struct LessBC {
    
    bool operator()(const panzer::BC& left, 
        const panzer::BC& right) const
    {
      return left.bcID() < right.bcID();
    }
  };

  WorksetDescriptor bcDescriptor(const panzer::BC & bc);

}

#endif