evalFactory.h

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/*******************************************************************************
** Copyright (c) 2002 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: evalFactory.h,v $ $Revision: 1.5 $ $State: Exp $
*******************************************************************************/


#ifndef DtEvaluatorFactory_H_
#define DtEvaluatorFactory_H_



#include <vlutil/vlHashlist.h>


class DtEvaluator;

typedef DtEvaluator * (*DtEvaluatorCreatorFcn)();

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

   DtEvaluatorFactory();

   virtual ~DtEvaluatorFactory();

   virtual void addCreatorFcn(int type,
      DtEvaluatorCreatorFcn fcn);

   virtual DtEvaluator* createEvaluator(int type);

   static DtEvaluatorFactory* create();

private:

   DtEvaluatorFactory(const DtEvaluatorFactory& orig);

   DtEvaluatorFactory& operator=(const DtEvaluatorFactory& orig);

protected:

protected:

   DtHashlist myHashlist;
};

#endif