nullVrfObjectPredicate.h

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/*******************************************************************************
** Copyright (c) 2001 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: nullVrfObjPred.h,v $ $Revision: 1.5 $ $State: Exp $
*******************************************************************************/
#ifndef nullVrfObjectPredicate_H_
#define nullVrfObjectPredicate_H_



#include <vlutil/vlMachineTypes.h>

#include "vrfobjcore/vrfObjectPredicate.h"

#include "vrfobjcore/vrfobjcoreDefines.h"
class DT_DLL_vrfobjcore DtNullVrfObjectPredicate : public DtVrfObjectPredicate
{
public:

   DtNullVrfObjectPredicate();

   virtual ~DtNullVrfObjectPredicate();

   DtNullVrfObjectPredicate(const DtNullVrfObjectPredicate& orig);

   DtNullVrfObjectPredicate& operator=(const DtNullVrfObjectPredicate& orig);

   virtual DtVrfObjectPredicate* clone() const;

protected:

   virtual bool eval(const DtVrfObject* vrfObject);
};

#endif