VR-Forces 4.0.4 Class Documentation: include/vrfobjcore/fltrFcnPred.h Source File

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00001 /*******************************************************************************
00002 ** Copyright (c) 2002 MAK Technologies, Inc.
00003 ** All rights reserved.
00004 *******************************************************************************/
00005 /*******************************************************************************
00006 ** $RCSfile: fltrFcnPred.h,v $ $Revision: 1.8 $ $State: Exp $
00007 *******************************************************************************/
00008 #ifndef fltrFcnPred_H_
00009 #define fltrFcnPred_H_
00010 
00013 
00015 
00016 #include "vrfobjcore/vrfObjPred.h"
00017 #include "vrfobjcore/fltrFcnInf.h"
00018 
00022 #include "vrfobjcore/vrfobjcoreDefines.h"
00023 class DT_DLL_vrfobjcore DtFilterFunctionPredicate : public DtVrfObjectPredicate
00024 {
00025 public:
00026 
00028    DtFilterFunctionPredicate(DtFilterFcn filter = 0, void *usrData = 0,
00029       bool negate = false);
00030 
00032    virtual ~DtFilterFunctionPredicate();
00033 
00035    DtFilterFunctionPredicate(const DtFilterFunctionPredicate& orig);
00036 
00038    DtFilterFunctionPredicate& operator=(
00039       const DtFilterFunctionPredicate& orig);
00040 
00042    virtual DtVrfObjectPredicate* clone() const;
00043 
00044    virtual DtFilterFcn filter() const;
00045    virtual void* usrData() const;
00046 
00047 protected:
00048 
00050    virtual bool eval(const DtVrfObject* object);
00051 
00053    virtual bool predicateEqual(const DtVrfObjectPredicate& orig) const;
00054 
00055 protected:
00056 
00057    DtFilterFcn myFilter;
00058    void* myUsrData;
00059 
00060 };
00061 
00062 #endif
00063