ParticleLinksCnv_p1.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
// ParticleLinksCnv_p1.h 
// Header file for class ParticleLinksCnv_p1, handles transient<->persistent ParticleLinks
// Template class, must be inherited by the class handling instantiations of ParticleLinks
// see ParticleBaseLinksCnv_p1
//
// Author: S. Protopopescu <serban@bnl.gov>
#ifndef PARTICLEEVENTTPCNV_PARTICLELINKSCNV_P1_H
#define PARTICLEEVENTTPCNV_PARTICLELINKSCNV_P1_H 1
 
// AthenaPoolCnvSvc includes
//#include "AthenaPoolCnvSvc/T_AthenaPoolTPConverter.h" (in DataLinkCnv_p1.h)
#include "DataModelAthenaPool/DataLinkCnv_p1.h"
#include "AthLinks/DataLink.h"
#include "GaudiKernel/MsgStream.h"
#include "ParticleEvent/ParticleLinks.h"
#include "ParticleEvent/SelectedParticles.h"
#include "ParticleEventTPCnv/ParticleLinks_p1.h"
#include <string>
#include <iostream>
 
 
template<class Container> 
class ParticleLinksCnv_p1 : public T_AthenaPoolTPCnvConstBase<
                                               ParticleLinks<Container>, 
                                               ParticleLinks_p1
                                               >  
{ 
public:
    typedef T_AthenaPoolTPCnvConstBase<ParticleLinks<Container>, 
                                       ParticleLinks_p1
                                       >  base_class;
    using base_class::transToPers;
    using base_class::persToTrans;
 
 
    ParticleLinksCnv_p1(){;}
    virtual ~ParticleLinksCnv_p1(){;}
 
   // Conversion methods: 
 
   virtual 
   void persToTrans( const ParticleLinks_p1* persObj, 
             ParticleLinks<Container>* transObj, 
             MsgStream &msg ) const override;
 
   virtual 
   void transToPers( const ParticleLinks<Container>* transObj, 
             ParticleLinks_p1* persObj, 
             MsgStream &msg ) const override;
 private:
   DataLinkCnv_p1<DataLink<Container> > m_dl;
}; 
 
#ifndef __REFLEX__
 
template<class Container>
void ParticleLinksCnv_p1<Container>::transToPers(const ParticleLinks<Container>* transObj, 
                         ParticleLinks_p1* persObj, 
                         MsgStream &msg ) const {
    msg<< MSG::DEBUG<<typeid(*transObj).name()<<" called"<<endmsg;
    //std::cout<<">>> ParticleLinksCnv_p1 "<<typeid(*transObj).name()<<" called"<<std::endl;
    if(transObj->size()==0) return;
    SelectedParticles selparts;    SelectedParticles_p1 selparts_p1;
 
    typedef ParticleLinks<Container> Links;
    selparts.SetMaxBits(transObj->size());
    typename Links::const_iterator ilItr = transObj->begin();
    typename Links::const_iterator ilEnd = transObj->end();
    for(; ilItr != ilEnd; ++ilItr) {
      selparts.SetBit((*ilItr).index());      
    }
 
    std::string container_name=(&(*transObj)[0])->dataID();
    msg<< MSG::DEBUG<<"Container name="<<container_name<<endmsg;
    selparts_p1.m_bits=selparts.AllBits();
    persObj->setSelectedParticles_p1(selparts_p1);
    DataLink<Container> dl(container_name);
    DataLink_p1 dl_p1;
    m_dl.transToPers(&dl,&dl_p1,msg);
    persObj->setDataLink_p1(dl_p1);
    msg << MSG::DEBUG << "Created SelectedParticles, persistent state of "<<typeid(*transObj).name()<<endmsg;
 
}
 
template<class Container>
void ParticleLinksCnv_p1<Container>::persToTrans(const ParticleLinks_p1* persObj, 
                         ParticleLinks<Container>* transObj, 
                         MsgStream &msg ) const {
    DataLink<Container> dl;
    const DataLink_p1* dl_p1=persObj->dl_p1();
    m_dl.persToTrans(dl_p1,&dl,msg);
    dl.toTransient();
    //const Container *particles=dl.cptr();
    const SelectedParticles_p1* selparts_p1=persObj->sel();
    //typename Container::const_iterator ipItr = particles->begin();
    //typename Container::const_iterator ipEnd = particles->end();
    SelectedParticles selparts;
    selparts.Set (selparts_p1->m_bits);
    //SelectedParticles selparts(m_bits);
    std::vector<unsigned> goodparts;
    selparts.goodParticles (goodparts);
    transObj->reserve(goodparts.size());
    for (unsigned index : goodparts) {
      transObj->emplace_back (dl.key(), index);
    }
    
    msg << MSG::DEBUG << "Loading "<<typeid(*transObj).name()<<"from SelectedParticles"<<endmsg;
}
 
#endif // not __REFLEX__
 
 
#endif // !PARTICLEEVENTTPCNV_PARTICLELINKSCNV_P1_H