SCT_ClusterContainerCnv_p0.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "SCT_ClusterContainerCnv_p0.h"
 
#include "MsgUtil.h"
 
// Athena
#include "AthenaKernel/errorcheck.h"
#include "InDetIdentifier/SCT_ID.h"
#include "StoreGate/ReadCondHandle.h"
#include "StoreGate/StoreGateSvc.h"
 
// Gaudi
#include "GaudiKernel/Bootstrap.h"
#include "GaudiKernel/ISvcLocator.h"
#include "GaudiKernel/Service.h"
 
#include <string>
 
//================================================================
 
 
SCT_ClusterContainerCnv_p0::SCT_ClusterContainerCnv_p0():
  m_sctId{nullptr},
  m_SCTDetEleCollKey{"SCT_DetectorElementCollection"}
{
}
 
StatusCode SCT_ClusterContainerCnv_p0::initialize(MsgStream& log ) {
 
  log << MSG::INFO << "SCT_ClusterContainerCnv::initialize()" << endmsg;
 
  SmartIF<StoreGateSvc> detStore{Gaudi::svcLocator()->service("DetectorStore")};
  CHECK( detStore.isValid() );
 
  CHECK( detStore->retrieve(m_sctId, "SCT_ID") );
  CHECK( m_SCTDetEleCollKey.initialize() );
  MSG_DEBUG(log,"Converter initialized.");
 
  return StatusCode::SUCCESS;
}
 
InDet::SCT_ClusterContainer* SCT_ClusterContainerCnv_p0::createTransient(SCT_ClusterContainer_p0* persObj, MsgStream& log) {
 
  auto trans = std::make_unique<InDet::SCT_ClusterContainer>(m_sctId->wafer_hash_max());
  //  MSG_DEBUG(log,"Read PRD vector, size " << persObj->size());
 
  SG::ReadCondHandle<InDetDD::SiDetectorElementCollection> sctDetEleHandle(m_SCTDetEleCollKey);
  const InDetDD::SiDetectorElementCollection* elements(*sctDetEleHandle);
  if (not sctDetEleHandle.isValid() or elements==nullptr) {
    log << MSG::FATAL << m_SCTDetEleCollKey.fullKey() << " is not available." << endmsg;
    return trans.release();
  }
  
  for (InDet::SCT_ClusterCollection* dcColl : *persObj) {
    // Add detElem to each drift circle
    IdentifierHash collHash = dcColl->identifyHash();
    const InDetDD::SiDetectorElement * de = elements->getDetectorElement(collHash);
 
    InDet::SCT_ClusterCollection::iterator itColl   = dcColl->begin();
    InDet::SCT_ClusterCollection::iterator lastColl = dcColl->end();
    for (; itColl != lastColl; ++itColl) {
      (*itColl)->m_detEl = de;
    }
 
    StatusCode sc= trans->addCollection(dcColl, collHash);
    if (sc.isSuccess()){
    } else {
      log << MSG::ERROR << "Failed to add SCT_ClusterContainer to container" << endmsg;
      return nullptr;
    }
  }
  return trans.release();
}