keyedVrfObjectIterator.h

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/*******************************************************************************
** Copyright (c) 2005 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: keyedObjIter.h,v $ $Revision: 1.8 $ $State: Exp $
*******************************************************************************/



#pragma once

#include "vrfobjcore/vrfObjectManager.h"

template<class T> class DtBaseSimObjectIterator : public DtIteratorBase<T>
{
private:

   //Default constructor.  Do not use.
   DtBaseSimObjectIterator();

   const DtBaseSimObjectIterator& operator=(
      const DtBaseSimObjectIterator& orig);

public:

   DtBaseSimObjectIterator(const DtList& list, DtVrfObjectManager*
      simObjectManager) : DtIteratorBase<T>(list), mySimObjectManager(simObjectManager) {};

   DtBaseSimObjectIterator(const DtBaseSimObjectIterator& orig) :
      DtIteratorBase<T>(orig),
      mySimObjectManager(orig.mySimObjectManager) {};

   virtual ~DtBaseSimObjectIterator() {};

   T* first(bool move = true) 
   { 
      return dataToObject(this->internalFirst(move)); 
   };
   T* next(bool move = true) 
   { 
      return dataToObject(this->internalNext(move)); 
   };
   T* prev(bool move = true) 
   { 
      return dataToObject(this->internalPrev(move)); 
   };
   T* last(bool move = true) 
   { 
      return dataToObject(this->internalLast(move)); 
   };
   T* wrapNext(bool move = true) 
   { 
      return dataToObject(this->internalWrapNext(move)); 
   };
   T* wrapPrev(bool move = true) 
   { 
      return dataToObject(this->internalWrapPrev(move)); 
   };

protected:
   T* dataToObject(void* data) const
      {
         DtEntityIdentifier* keyP = (DtEntityIdentifier*) data;
         if (keyP)
         {
            return (T*)mySimObjectManager->lookup(*keyP);
         }

         return NULL;
      }

protected:
   DtVrfObjectManager* mySimObjectManager;
};

typedef DtBaseSimObjectIterator<DtVrfObject> DtKeyedVrfObjectIterator;