JetSamplingCollectionCnv_p1.cxx

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
// JetSamplingCollectionCnv_p1.cxx 
// Implementation file for class JetSamplingCollectionCnv_p1
// Author: S.Binet<binet@cern.ch>
 
// DataModel includes
#include "AthAllocators/DataPool.h"
 
// JetEvent includes
#include "JetEvent/JetSampling.h"
#include "JetEvent/JetSamplingCollection.h"
 
 
// JetEventTPCnv includes
#include "JetEventTPCnv/JetSamplingCnv_p1.h"
#include "JetEventTPCnv/JetSamplingCollection_p1.h"
#include "JetEventTPCnv/JetSamplingCollectionCnv_p1.h"
 
// preallocate converters
static const JetSamplingCnv_p1 jetSamplingCnv;
 
 
void 
JetSamplingCollectionCnv_p1::persToTrans( const JetSamplingCollection_p1* pers, 
                      JetSamplingCollection* trans, 
                      MsgStream& msg ) const
{
//   msg << MSG::DEBUG << "Loading JetSamplingCollection from persistent state..."
//       << endmsg;
 
 
  // elements are managed by DataPool
  trans->clear(SG::VIEW_ELEMENTS);
 
  DataPool<JetSampling> pool( 20 );
  const std::size_t nJetSampling = pers->size();
  if ( pool.capacity() - pool.allocated() < nJetSampling ) {
    pool.reserve( pool.allocated() + nJetSampling );
  }
 
  trans->reserve( nJetSampling );
  for ( JetSamplingCollection_p1::const_iterator 
          itr    = pers->begin(),
          itrEnd = pers->end();
        itr != itrEnd;
        ++itr ) {
    JetSampling * jetSampling = pool.nextElementPtr();
    jetSamplingCnv.persToTrans( &(*itr), jetSampling, msg );
    trans->push_back( jetSampling );
  }
//   msg << MSG::DEBUG << "Loading JetSamplingCollection from persistent state [OK]"
//       << endmsg;
  }
 
void 
JetSamplingCollectionCnv_p1::transToPers( const JetSamplingCollection* trans, 
                      JetSamplingCollection_p1* pers, 
                      MsgStream& msg ) const
{
//   msg << MSG::DEBUG << "Creating persistent state of JetSamplingCollection..."
//       << endmsg;
 
  std::size_t size = trans->size();     
  pers->resize(size);
 
  // convert vector entries one by one
  JetSamplingCollection::const_iterator transItr = trans->begin();
  JetSamplingCollection_p1::iterator    persItr  = pers->begin();
  while(size) {
    jetSamplingCnv.transToPers( *transItr, &(*persItr), msg );
    ++persItr; ++transItr; --size;
  }
 
//   msg << MSG::DEBUG << "Creating persistent state of JetSamplingCollection [OK]"
//       << endmsg;
  }