Stratimikos_DefaultLinearSolverBuilder.hpp

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//         Stratimikos: Thyra-based strategies for linear solvers
//                Copyright (2006) Sandia Corporation
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#ifndef STRATIMIKOS_DEFAULT_LINEAR_SOLVER_BUILDING_BASE
#define STRATIMIKOS_DEFAULT_LINEAR_SOLVER_BUILDING_BASE

#include "Stratimikos_ConfigDefs.hpp"
#include "Thyra_LinearSolverBuilderBase.hpp"
#include "Teuchos_AbstractFactory.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"
#include "Teuchos_StandardParameterEntryValidators.hpp"

// Include these to make all of the helpful decls appear
#include "Thyra_EpetraThyraWrappers.hpp"
#include "Thyra_EpetraLinearOp.hpp"
#include "Thyra_LinearOpWithSolveFactoryHelpers.hpp"
#include "Thyra_LinearOpWithSolveBase.hpp"
#include "Thyra_PreconditionerFactoryHelpers.hpp"
#include "Thyra_DefaultScaledAdjointLinearOp.hpp"
#include "Thyra_DefaultPreconditioner.hpp"
#include "Thyra_MultiVectorStdOps.hpp"
#include "Thyra_VectorStdOps.hpp"
#include "Thyra_VectorBase.hpp"


namespace Teuchos { class CommandLineProcessor; }


namespace Stratimikos {


using Teuchos::RCP;
using Teuchos::Array;
using Teuchos::AbstractFactory;
using Teuchos::ParameterList;


class DefaultLinearSolverBuilder
  : public Thyra::LinearSolverBuilderBase<double>
{
public:


  DefaultLinearSolverBuilder(
    const std::string    &paramsXmlFileName                = ""
    ,const std::string   &extraParamsXmlString             = ""
    ,const std::string   &paramsUsedXmlOutFileName         = ""
    ,const std::string   &paramsXmlFileNameOption          = "linear-solver-params-file"
    ,const std::string   &extraParamsXmlStringOption       = "extra-linear-solver-params"
    ,const std::string   &paramsUsedXmlOutFileNameOption   = "linear-solver-params-used-file"
    );

  ~DefaultLinearSolverBuilder();
  
  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsXmlFileName);
    
  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,extraParamsXmlString);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsUsedXmlOutFileName);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsXmlFileNameOption);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,extraParamsXmlStringOption);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsUsedXmlOutFileNameOption);

  void setLinearSolveStrategyFactory(
    const RCP<const AbstractFactory<Thyra::LinearOpWithSolveFactoryBase<double> > >
    &solveStrategyFactory,
    const std::string &solveStrategyName,
    const bool makeDefault = false
    );

  void setDefaultLinearSolveStrategyFactoryName(
    const std::string &solveStrategyName);

  void setPreconditioningStrategyFactory(
    const RCP<const AbstractFactory<Thyra::PreconditionerFactoryBase<double> > >
    &precStrategyFactory,
    const std::string &precStrategyName,
    const bool makeDefault = false
    );

  void setDefaultPreconditioningStrategyFactoryName(
    const std::string &precStrategyName);

  void setupCLP( Teuchos::CommandLineProcessor *clp );

  void readParameters( std::ostream *out );

  void writeParamsFile(
    const Thyra::LinearOpWithSolveFactoryBase<double> &lowsFactory,
    const std::string &outputXmlFileName  = "" 
    ) const;
  
  std::string getLinearSolveStrategyName() const;

  std::string getPreconditionerStrategyName() const;



  void setParameterList(RCP<ParameterList> const& paramList);
  RCP<ParameterList> getNonconstParameterList();
  RCP<ParameterList> unsetParameterList();
  RCP<const ParameterList> getParameterList() const;
  RCP<const ParameterList> getValidParameters() const;

  

  RCP<Thyra::LinearOpWithSolveFactoryBase<double> >
  createLinearSolveStrategy(
    const std::string &linearSolveStrategyName
    ) const;
  RCP<Thyra::PreconditionerFactoryBase<double> >
  createPreconditioningStrategy(
    const std::string &preconditioningStrategyName
    ) const;


private:

  // //////////////////////////////////////
  // Private types

  typedef RCP<const AbstractFactory<Thyra::LinearOpWithSolveFactoryBase<double> > >
  lowsf_fcty_t;
  typedef RCP<const AbstractFactory<Thyra::PreconditionerFactoryBase<double> > >
  pf_fcty_t;

  // //////////////////////////////////////
  // Private data members
  
  RCP<ParameterList> paramList_;
  Array<std::string> validLowsfNames_;
  Array<lowsf_fcty_t> lowsfArray_;
  std::string defaultLOWSF_;
  Array<std::string> validPfNames_; // Contains "None" as the 0th entry!
  Array<pf_fcty_t> pfArray_;
  std::string defaultPF_;
  bool enableDelayedSolverConstruction_;
  mutable RCP<const ParameterList> validParamList_;
  mutable RCP<const Teuchos::StringToIntegralParameterEntryValidator<int> > lowsfValidator_;
  mutable RCP<const Teuchos::StringToIntegralParameterEntryValidator<int> > pfValidator_;

  // //////////////////////////////////////
  // Private member functions

  void initializeDefaults();
  void justInTimeInitialize() const;

};


} // namespace Stratimikos


#endif // STRATIMIKOS_DEFAULT_LINEAR_SOLVER_BUILDING_BASE