evaluator.h

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/*******************************************************************************
** Copyright (c) 2002 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: evaluator.h,v $ $Revision: 1.6 $ $State: Exp $
*******************************************************************************/


#ifndef DtEvaluator_H_
#define DtEvaluator_H_



#include <vlutil/vlMachineTypes.h>
#include "vrfutil/evaluatorFactory.h"

class DtSimCondExpr;
class DtSimManager;
class DtString;

#include "vrfutil/vrfutilDefines.h"
class DT_DLL_vrfutil DtEvaluator
{
public:

   DtEvaluator();

   virtual ~DtEvaluator();

   virtual bool evaluate(DtSimCondExpr* condExpr, 
      const DtString& objectName, DtSimManager* simManager) const = 0;

   DtEvaluator(const DtEvaluator& orig);

   DtEvaluator& operator=(const DtEvaluator& orig);

   virtual DtEvaluator* clone() = 0;

public:

   static void setFactory(DtEvaluatorFactory * factory);
   static DtEvaluatorFactory * factory();

   static void addEvaluatorCreatorFcn(const int intType,
      DtEvaluatorCreatorFcn fcn);


protected:

   static DtEvaluatorFactory* theFactory;
};

#endif