/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/xAODCaloEvent/xAODCaloEvent/CaloClusterChangeSignalState.h

//Dear emacs this is -*-c++-*-
#ifndef XAODCALOCLUSTERCHANGESIGNALSTATE
#define XAODCALOCLUSTERCHANGESIGNALSTATE

#include "xAODCaloEvent/CaloCluster.h"

class CaloClusterChangeSignalState
{
public:

#if __cplusplus >= 201100
  //Delete default and copy constructor 
  CaloClusterChangeSignalState() = delete;
  CaloClusterChangeSignalState(const CaloClusterChangeSignalState&)=delete;
  CaloClusterChangeSignalState& operator=(const CaloClusterChangeSignalState&) = delete;
#else
  CaloClusterChangeSignalState() : m_clus(0) {};
  void init(const xAOD::CaloCluster* pClus,
        xAOD::CaloCluster::State s);
#endif


  CaloClusterChangeSignalState (const xAOD::CaloCluster* pClus,
                                xAOD::CaloCluster::State s);


  ~CaloClusterChangeSignalState ();

  const xAOD::CaloCluster* cluster() {return m_clus;}


private:
  const xAOD::CaloCluster* m_clus;
  xAOD::CaloCluster::State m_oldstate;
};


#if __cplusplus >= 201100
#include <forward_list>

class CaloClusterChangeSignalStateList {

 public:
  void add(const xAOD::CaloCluster* clu, xAOD::CaloCluster::State s) {
    m_stateHelpers.emplace_front(clu,s);
  }

  void reset() {
    m_stateHelpers.clear();
  }

 private:
  //As far as I can see this is the only stl container that doesn't require the payload to be
  //copy-constructable. 
  std::forward_list<CaloClusterChangeSignalState> m_stateHelpers;
  
};
#else //C++11

#include <list>

class CaloClusterChangeSignalStateList {

 public:
  void add(const xAOD::CaloCluster* clu, xAOD::CaloCluster::State s) {
    m_stateHelpers.push_back(CaloClusterChangeSignalState());
    m_stateHelpers.back().init(clu,s);
    
  }

  void reset() {
    m_stateHelpers.clear();
  }

 private:
  //As far as I can see this is the only stl container that doesn't require the payload to be
  //copy-constructable. 
  std::list<CaloClusterChangeSignalState> m_stateHelpers;
  
};


#endif //C++03


#endif

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