create_state.h

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// -*- C++ -*-
 
/*! @file
 * @brief Create a connection state
 *
 * This is a factory class for producing a connection state
 */
 
#ifndef __create_state_h__
#define __create_state_h__
 
#include "state.h"
#include "gaugebc.h"
#include "fermbc.h"
#include "handle.h"
 
namespace Chroma
{
  //! Create a connection state
  /*! @ingroup state
   *
   * This is a factory class for producing a connection state
   */
  template<typename P, typename Q>
  class CreateState
  {
  public:
    //! Virtual destructor to help with cleanup;
    virtual ~CreateState() {}
   
    //! Construct a ConnectState
    virtual ConnectState<P,Q>* operator()(const Q& q) const = 0;
 
    //! Return the amorphous BC object for this state
    /*! The user will supply the BC in a derived class */
    virtual const BoundCond<P,Q>& getBC() const = 0;
  };
 
 
  //! Create a gauge connection state
  /*! @ingroup state
   *
   * This is a factory class for producing a connection state
   */
  template<typename P, typename Q>
  class CreateGaugeState : public CreateState<P,Q>
  {
  public:
    //! Virtual destructor to help with cleanup;
    virtual ~CreateGaugeState() {}
   
    //! Construct a ConnectState
    virtual GaugeState<P,Q>* operator()(const Q& q) const = 0;
 
    //! Return the gauge BC object for this state
    /*! The user will supply the BC in a derived class */
    virtual const GaugeBC<P,Q>& getBC() const = 0;
  };
 
 
 
  //! Create a fermion connection state
  /*! @ingroup state
   *
   * This is a factory class for producing a connection state
   */
  template<typename T, typename P, typename Q>
  class CreateFermState : public CreateState<P,Q>
  {
  public:
    //! Virtual destructor to help with cleanup;
    virtual ~CreateFermState() {}
   
    //! Construct a ConnectState
    virtual FermState<T,P,Q>* operator()(const Q& q) const = 0;
 
    //! Return the gauge BC object for this state
    /*! The user will supply the BC in a derived class */
    virtual const FermBC<T,P,Q>& getBC() const = 0;
   
    //! Return the gauge BC object for this state
    /*! This is to help the optimized linops */
    virtual Handle< FermBC<T,P,Q> > getFermBC() const = 0;
  };
 
 
}
 
 
#endif