fltrFcnPred.h

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/*******************************************************************************
** Copyright (c) 2002 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: fltrFcnPred.h,v $ $Revision: 1.8 $ $State: Exp $
*******************************************************************************/
#ifndef fltrFcnPred_H_
#define fltrFcnPred_H_



#include "vrfobjcore/vrfObjPred.h"
#include "vrfobjcore/fltrFcnInf.h"

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

   DtFilterFunctionPredicate(DtFilterFcn filter = 0, void *usrData = 0,
      bool negate = false);

   virtual ~DtFilterFunctionPredicate();

   DtFilterFunctionPredicate(const DtFilterFunctionPredicate& orig);

   DtFilterFunctionPredicate& operator=(
      const DtFilterFunctionPredicate& orig);

   virtual DtVrfObjectPredicate* clone() const;

   virtual DtFilterFcn filter() const;
   virtual void* usrData() const;

protected:

   virtual bool eval(const DtVrfObject* object);

   virtual bool predicateEqual(const DtVrfObjectPredicate& orig) const;

protected:

   DtFilterFcn myFilter;
   void* myUsrData;

};

#endif