signaturePropagator.h

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/*******************************************************************************
** Copyright (c) 2005 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: signaturePropagator.h,v $ $Revision: 1.8 $ $State: Exp $
*******************************************************************************/
#ifndef signaturePropagator_H_
#define signaturePropagator_H_



#include <vlutil/vlString.h>

class DtSignaturePropagatorFactory;
class DtSignaturePropagatorArgs;
class DtSignaturePropagatorDescriptor;
class DtPhysicalWorld;

#include "vrfobjcore/vrfobjcoreDefines.h"
class DT_DLL_vrfobjcore DtSignaturePropagator
{
private:
   DtSignaturePropagator();
   DtSignaturePropagator(const DtSignaturePropagator& orig);
   DtSignaturePropagator& operator=(const DtSignaturePropagator& orig);

public:
   DtSignaturePropagator(const DtSignaturePropagatorDescriptor* descriptor,
      DtPhysicalWorld* physicalWorld);

   virtual ~DtSignaturePropagator();

   virtual void init();

   virtual double calculateApparentSignature(double absoluteSignature,
      const DtSignaturePropagatorArgs& args) const = 0;

   virtual const DtSignaturePropagatorDescriptor* descriptor() const;

   virtual const DtPhysicalWorld* physicalWorld() const;

   static void setFactory(DtSignaturePropagatorFactory* factory);

   static DtSignaturePropagator* createSignaturePropagator(const DtString& type,
      const DtSignaturePropagatorDescriptor* desc, DtPhysicalWorld* physicalWorld);

protected:
   static DtSignaturePropagatorFactory* theFactory;

   const DtSignaturePropagatorDescriptor* myDescriptor;
   DtPhysicalWorld* myPhysicalWorld;
};

#endif