LArAlignCondAlg.cxx

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/*
   Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#include "LArAlignCondAlg.h"
 
#include "GeoModelKernel/GeoAlignableTransform.h"
#include "GeoModelUtilities/GeoAlignmentStore.h"
 
#include <memory>
 
StatusCode LArAlignCondAlg::initialize()
{
  ATH_MSG_DEBUG("initialize " << name());
 
  ATH_CHECK(m_readLArAlignKey.initialize());
  ATH_CHECK(m_writeGeoAlignKey.initialize());
 
  return StatusCode::SUCCESS;
}
 
StatusCode LArAlignCondAlg::execute(const EventContext& ctx) const
{
  // ____________ Construct Write Cond Handle and check its validity ____________
  SG::WriteCondHandle<GeoAlignmentStore> writeGeoAlignHandle{m_writeGeoAlignKey,ctx};
  if (writeGeoAlignHandle.isValid()) {
    ATH_MSG_DEBUG("Found valid write handle");
    return StatusCode::SUCCESS;
  }
  
  // ____________ Get Read Cond Object ____________
  SG::ReadCondHandle<DetCondKeyTrans> readLArAlignHandle{m_readLArAlignKey,ctx};
  ATH_CHECK(readLArAlignHandle.isValid());
  ATH_MSG_DEBUG("Retrieved DetCondKeyTrans object form the Condition Store");
  writeGeoAlignHandle.addDependency(readLArAlignHandle);
 
  // ____________ Construct new Write Cond Object and apply alignments  ____________
  std::unique_ptr<GeoAlignmentStore> writeCdo = std::make_unique<GeoAlignmentStore>();
  if(m_alignHelper.applyAlignments(detStore(),*readLArAlignHandle,writeCdo.get()).isFailure()) {
    ATH_MSG_ERROR("Failed to apply LAr alignments");
    return StatusCode::FAILURE;
  }
  writeCdo->lockDelta();
  writeCdo->lockPosCache();
  
  ATH_CHECK(writeGeoAlignHandle.record(std::move(writeCdo)));
  ATH_MSG_INFO("recorded new GeoAlignmentStore object for LAr with key " << writeGeoAlignHandle.key() 
           << " and range " << writeGeoAlignHandle.getRange());
 
  return StatusCode::SUCCESS;
}