HIClusterCopier.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#include "HIClusterCopier.h"
#include "CaloUtils/CaloClusterStoreHelper.h"
#include "xAODBase/IParticleHelpers.h"
#include "xAODCore/ShallowAuxContainer.h"
#include "xAODCore/ShallowCopy.h"
 
HIClusterCopier::HIClusterCopier(const std::string& name, ISvcLocator* pSvcLocator)
    : AthReentrantAlgorithm(name,pSvcLocator)
{
}
 
StatusCode HIClusterCopier::initialize()
{
    //First we initialize keys - after initialization they are frozen
    ATH_CHECK( m_inputKey.initialize() );
    ATH_CHECK( m_outputKey.initialize() );
 
    return StatusCode::SUCCESS;
}
 
StatusCode HIClusterCopier::execute(const EventContext &ctx) const
{
    // retrieve input
    SG::ReadHandle<xAOD::CaloClusterContainer> inputClusterHandle(m_inputKey, ctx);
 
    if(inputClusterHandle.isValid()) {
        ATH_MSG_DEBUG("Retrieval of CaloClusterContainer was OK");
    } else {
        ATH_MSG_ERROR("Retrieval of CaloClusterContainer failed");
        return StatusCode::FAILURE;
    }
 
    ATH_MSG_DEBUG("Copying CaloClusters");
 
    //make the container
    SG::WriteHandle<xAOD::CaloClusterContainer> outputClusterColl ( m_outputKey, ctx );
        ATH_CHECK(CaloClusterStoreHelper::AddContainerWriteHandle(outputClusterColl));
    // deep copy
    std::unique_ptr<xAOD::CaloClusterContainer> copiedClusters = std::make_unique<xAOD::CaloClusterContainer>();
    std::unique_ptr<xAOD::CaloClusterAuxContainer> copiedClustersAux = std::make_unique<xAOD::CaloClusterAuxContainer>();
 
    copiedClusters->setStore (copiedClustersAux.get());
 
    for(const xAOD::CaloCluster* cl : *inputClusterHandle){
        std::unique_ptr<xAOD::CaloCluster> copiedCl = std::make_unique<xAOD::CaloCluster>(*cl);
        outputClusterColl->push_back(std::move(copiedCl));
    }
 
    return StatusCode::SUCCESS;
}
 
StatusCode HIClusterCopier::finalize()
{
    return StatusCode::SUCCESS;
}