vectorNetworkRecord.h

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/*******************************************************************************
** Copyright (c) 1999 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vecNetwrkRecord.h,v $ $Revision: 1.10 $ $State: Exp $
*******************************************************************************/

#ifndef vectorNetworkRecord_H_
#define vectorNetworkRecord_H_

#include "gdb/gdbDefines.h"
#include <vlutil/vlNetTypes.h>

//forward declarations
class DtSimpleList;
class DtSpecificationAttribute;

// class DtVectorNetworkRecord:
//
// DtVectorNetworkRecord is used to pass info to DtTerrainDatabase 
// to be used during a search into the vector network

class DT_DLL_gdb DtVectorNetworkRecord
{
public:

   // default constructor
   DtVectorNetworkRecord();

   // destructor
   virtual ~DtVectorNetworkRecord();

   // copy constructor
   DtVectorNetworkRecord(const DtVectorNetworkRecord& orig);

   // assignment operator
   DtVectorNetworkRecord& operator=(const DtVectorNetworkRecord& orig);

   // set/get the value for range of interest
   virtual void setInterestRange(double range);
   virtual double interestRange() const;

   // set/get if we want to evaluate elevation in features
   virtual void setEvalInZ(bool inZ);
   virtual bool evalInZ() const;

   // Functions to add attributes to evaluate them against the
   // specifications of the vector network.
   // They can be used to be equal, lees than, greater than or different,
   // 
   // add: Clone the attribute and add its own copy.
   // take: return the list and give it up to be owned (and deleted) 
   //       by some one else. After use a take function there is not more 
   //       function available in the record.
   // XXX: return the current list

   virtual void addEqualCondAttr(DtSpecificationAttribute* attr);
   virtual DtSimpleList* equalCondAttrList() const;
   virtual DtSimpleList* takeEqualCondAttrList();

   virtual void addDiffCondAttr(DtSpecificationAttribute* attr);
   virtual DtSimpleList* diffCondAttrList() const;
   virtual DtSimpleList* takeDiffCondAttrList();

   virtual void addLessThanCondAttr(DtSpecificationAttribute* attr);
   virtual DtSimpleList* lessThanCondAttrList() const;
   virtual DtSimpleList* takeLessThanCondAttrList();

   virtual void addGreaterThanCondAttr(DtSpecificationAttribute* attr);
   virtual DtSimpleList* greaterThanCondAttrList() const;
   virtual DtSimpleList* takeGreaterThanCondAttrList();

protected:

   virtual bool testInvariant() const;

   // empty the condition lists and free memory
   virtual void emptyLists();

   // copy lists 
   virtual void copyLists(const DtVectorNetworkRecord& orig);

   double         myRange;
   bool           myInZ;
   DtSimpleList*  myEqualList;
   DtSimpleList*  myDiffList;
   DtSimpleList*  myLessThanList;
   DtSimpleList*  myGreaterThanList;
};

#endif