vrfEntityIdentifierFactory.h

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/*******************************************************************************
** Copyright (c) 2015 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include "vrlinkNetworkInterface/vrlinkNetworkInterfaceDefines.h"
#include <tbb/mutex.h>
#include <vlpi/entityIdentifier.h>
#include <set>
#include <map>

namespace makVrf
{
   class DtVrlinkNetworkInterface;
   class DtStateData;

   class DT_DLL_vrlinkNetworkInterface DtVrfEntityIdentifierFactory
   {
   public:
      DtVrfEntityIdentifierFactory(DtVrlinkNetworkInterface*);

      virtual ~DtVrfEntityIdentifierFactory();

      virtual DtEntityIdentifier nextId(const DtStateData*, const DtEntityIdentifier& base = DtEntityIdentifier::nullId());

      virtual void startScenarioLoad();

      virtual void endScenarioLoad();

      virtual void setAppId(int);
      int appId() const { return myAppId; };

      virtual int setAppIdRangeMax(int upper);
      int appIdRangeMax() const { return myAppIdRangeMax; };

      virtual void reserveEntityId(const DtEntityIdentifier&);

   protected:
      virtual bool checkAndChange(int& appId, int& entityNum);
      virtual bool checkAndChange(DtEntityIdentifier& id);

   protected:
      DtVrlinkNetworkInterface* myVrfObjectManager;
      std::set<DtString> myUsedIdentifiers;
      bool myLoadingScenario;
      int myAppId;
      int myAppIdRangeMax;

      std::map<int, int> myAppIdRanges;
      tbb::mutex myEntityIdMutex;
      std::set<DtEntityIdentifier> myReservedIdentifiers;
   };
}