LArHVCorrMaker.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
// Include files
#include "LArCalibUtils/LArHVCorrMaker.h"
#include "LArIdentifier/LArOnlineID.h"
#include "AthenaPoolUtilities/CondAttrListCollection.h"
#include "AthenaPoolUtilities/AthenaAttributeList.h"
#include "CoralBase/Blob.h"
#include "LArCOOLConditions/LArHVScaleCorrFlat.h"
#include "StoreGate/ReadCondHandle.h"
 
#include <cmath>
#include <unistd.h>
 
 
 
 
//---------------------------------------------------------------------------
LArHVCorrMaker::~LArHVCorrMaker()
= default;
 
//---------------------------------------------------------------------------
StatusCode LArHVCorrMaker::initialize()
{
  ATH_MSG_INFO ( "  in initialize " );
  ATH_CHECK( detStore()->retrieve(m_lar_on_id,"LArOnlineID") );
  ATH_CHECK( m_scaleCorrKey.initialize() );
  ATH_CHECK( m_cablingKey.initialize() );
  return StatusCode::SUCCESS;
}
 
 
//---------------------------------------------------------------------------
StatusCode LArHVCorrMaker::execute()
{
  return StatusCode::SUCCESS;
}
 
 
//---------------------------------------------------------------------------
StatusCode LArHVCorrMaker::stop()
{
  ATH_MSG_INFO ( " in stop" );
 
  const EventContext& ctx = Gaudi::Hive::currentContext();
  SG::ReadCondHandle<ILArHVScaleCorr> scaleCorr (m_scaleCorrKey, ctx);
  SG::ReadCondHandle<LArOnOffIdMapping> cabling (m_cablingKey, ctx);
 
  const unsigned hashMax=m_lar_on_id->channelHashMax();
  coral::AttributeListSpecification* spec = new coral::AttributeListSpecification;
  spec->extend("HVScaleCorr", "blob");
  spec->extend<unsigned>("version");
  auto coll = std::make_unique<CondAttrListCollection>(true);
  coral::AttributeList attrList(*spec);
  spec->release();
  attrList["version"].setValue(0U);
  coral::Blob& blob=attrList["HVScaleCorr"].data<coral::Blob>();
  blob.resize(hashMax*sizeof(float));
  float* pblob=static_cast<float*>(blob.startingAddress());
  //Loop over online hash (to make sure that *every* field of the blob gets filled
  for (unsigned hs=0;hs<hashMax;++hs) {
    float value=1.0;
    if (cabling->isOnlineConnectedFromHash(hs)) {
      const Identifier id=cabling->cnvToIdentifierFromHash(hs);
      const HWIdentifier hwid = cabling->createSignalChannelID (id);
      ATH_MSG_VERBOSE("Filling value for id " << id.get_identifier32().get_compact());
      value=scaleCorr->HVScaleCorr(hwid);
    }
    pblob[hs]=value;
  }
  coll->add(1,attrList); //Add as channel 1 to AttrListCollection
 
  ATH_CHECK( detStore()->record(std::move(coll), m_folderName) );  
  return StatusCode::SUCCESS;
}