vrfObjectPredicateEvaluator.h

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/*******************************************************************************
** Copyright (c) 2001 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vrfObjPredEval.h,v $ $Revision: 1.8 $ $State: Exp $
*******************************************************************************/


#ifndef DtVrfObjectPredicateEvaluatorEvaluator_H_
#define DtVrfObjectPredicateEvaluatorEvaluator_H_

#include <vlutil/vlMachineTypes.h>
#include "vrfobjcore/vrfObjectPredicate.h"
#include <vlutil/vlTime.h>



#include "vrfobjcore/vrfobjcoreDefines.h"
class DT_DLL_vrfobjcore DtVrfObjectPredicateEvaluator
{

public:

   DtVrfObjectPredicateEvaluator();

   DtVrfObjectPredicateEvaluator(const DtVrfObjectPredicate& predicate);

   virtual ~DtVrfObjectPredicateEvaluator();

   DtVrfObjectPredicateEvaluator(const DtVrfObjectPredicateEvaluator& orig);

   DtVrfObjectPredicateEvaluator& operator=(const DtVrfObjectPredicateEvaluator& orig);

   virtual DtVrfObjectPredicateEvaluator* clone() const;

   int operator==(const DtVrfObjectPredicateEvaluator& orig) const;
   int operator!=(const DtVrfObjectPredicateEvaluator& orig) const;

   virtual bool isTrue(const DtVrfObject* vrfObject) const;

   virtual void setPredicate(const DtVrfObjectPredicate& predicate);
   virtual const DtVrfObjectPredicate* predicate() const;

   virtual void setTestInterval(DtTime intervalInSeconds);
   virtual DtTime testInterval() const;

   virtual bool isTimeToTest() const;

   virtual DtClock* clock() const;
   virtual void setClock(DtClock* clock);

protected:

   DtVrfObjectPredicate* myPredicate;

   DtTime myTimeToNextTest;

   DtTime myTestInterval;

   DtClock* myClock;
};

#endif