Teko_PreconditionerFactory.hpp

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//      Teko: A package for block and physics based preconditioning
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#ifndef __Teko_PreconditionerFactory_hpp__
#define __Teko_PreconditionerFactory_hpp__

#include "Teuchos_ParameterListAcceptor.hpp"

// Thyra includes
#include "Thyra_SolveSupportTypes.hpp"
#include "Thyra_LinearOpSourceBase.hpp"
#include "Thyra_PreconditionerFactoryBase.hpp"
#include "Thyra_DefaultBlockedLinearOp.hpp"
#include "Thyra_DefaultPreconditioner.hpp"

// Teko includes
#include "Teko_Utilities.hpp"
#include "Teko_InverseLibrary.hpp"
#include "Teko_CloneFactory.hpp"
#include "Teko_PreconditionerState.hpp"
#include "Teko_RequestHandler.hpp"
#include "Teko_RequestHandlerContainer.hpp"

namespace Teko {

using Thyra::LinearOpBase;
using Thyra::DefaultPreconditioner;

class PreconditionerFactory 
   : public virtual Thyra::PreconditionerFactoryBase<double>, public RequestHandlerContainer
   // , public RequestHandler {
   {
public:

   virtual LinearOp buildPreconditionerOperator(LinearOp & lo,PreconditionerState & state) const = 0;

   virtual Teuchos::RCP<PreconditionerState> buildPreconditionerState() const
   { return Teuchos::rcp(new PreconditionerState()); }



   virtual void initializeFromParameterList(const Teuchos::ParameterList & settings)
   { }

   virtual Teuchos::RCP<Teuchos::ParameterList> getRequestedParameters() const
   { return Teuchos::null; }
   
   virtual bool updateRequestedParameters(const Teuchos::ParameterList & pl)
   { return true; }
   

   void setInverseLibrary(const Teuchos::RCP<const InverseLibrary> & il);

   Teuchos::RCP<const InverseLibrary> getInverseLibrary() const;


 
   bool isCompatible(const Thyra::LinearOpSourceBase<double> &fwdOpSrc) const;

   Teuchos::RCP<Thyra::PreconditionerBase<double> > createPrec() const;

   void initializePrec(const Teuchos::RCP<const Thyra::LinearOpSourceBase<double> > & fwdOpSrc,
                       const Teuchos::RCP<const Thyra::MultiVectorBase<double> > & solnVec,
                       Thyra::PreconditionerBase<double> * precOp,
                       const Thyra::ESupportSolveUse supportSolveUse) const;

   void initializePrec(const Teuchos::RCP<const Thyra::LinearOpSourceBase<double> > & fwdOpSrc,
                       Thyra::PreconditionerBase<double> * precOp,
                       const Thyra::ESupportSolveUse supportSolveUse) const;

   void uninitializePrec(Thyra::PreconditionerBase<double> * prec, 
                         Teuchos::RCP<const Thyra::LinearOpSourceBase<double> > * fwdOpSrc,
                         Thyra::ESupportSolveUse *supportSolveUse) const;



   void setParameterList(const Teuchos::RCP<Teuchos::ParameterList> & paramList); 

   Teuchos::RCP< Teuchos::ParameterList > getNonconstParameterList();

   Teuchos::RCP< Teuchos::ParameterList > unsetParameterList();

   void setRequestHandler(const Teuchos::RCP<RequestHandler> & rh)
   { callbackHandler_ = rh; }

   Teuchos::RCP<RequestHandler> getRequestHandler() const 
   { return callbackHandler_; }

protected:
   Teuchos::RCP<Teuchos::ParameterList>          paramList_;

   Teuchos::RCP<RequestHandler> callbackHandler_;

private:
   Teuchos::RCP<const InverseLibrary> inverseLibrary_;

   static void setOpRequestHandler(const RequestHandlerContainer & rhc,const LinearOp & op);

public:

   static Teuchos::RCP<PreconditionerFactory> 
   buildPreconditionerFactory(const std::string & name, 
                              const Teuchos::ParameterList & settings,
                              const Teuchos::RCP<const InverseLibrary> & invLib=Teuchos::null);

   static void addPreconditionerFactory(const std::string & name,const Teuchos::RCP<Cloneable> & clone);

   static void getPreconditionerFactoryNames(std::vector<std::string> & names);

private:

   static CloneFactory<PreconditionerFactory> precFactoryBuilder_;

   static void initializePrecFactoryBuilder();
};

} // end namespace Teko

#endif