CaloCellFastCopyTool.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
/*
 * CaloCellFastCopyTool.cxx
 *
 *  Created on: Oct 7, 2013
 *
 */
 
// Athena includes
#include "AthenaKernel/errorcheck.h"
 
// Calo includes
#include "CaloEvent/CaloCellContainer.h"
#include "CaloEvent/CaloConstCellContainer.h"
#include "CaloCellFastCopyTool.h"
#include "CaloGeoHelpers/CaloSampling.h"
#include "CaloUtils/CaloSamplingHelper.h"
 
#include <algorithm>
#include <string>
 
 
// INITIALIZE:
// The initialize method will create all the required algorithm objects
 
StatusCode CaloCellFastCopyTool::initialize() {
 
  ATH_MSG_INFO( "In initialize ");
 
  ATH_CHECK( detStore()->retrieve(m_caloID));
  ATH_CHECK(m_srcCellContainerKey.initialize());
  std::vector<bool> acceptedSamplings(m_caloID->Unknown, false);
  std::vector<CaloSampling::CaloSample> acceptedSamples;
 
  std::vector<std::string>::const_iterator fName = m_acceptedSampleNames.begin();
  for (; fName != m_acceptedSampleNames.end(); ++fName) {
    CaloSampling::CaloSample sampInd = CaloSamplingHelper::getSamplingId(*fName);
    if (sampInd != CaloSampling::Unknown) {
      acceptedSamplings[sampInd] = true;
      acceptedSamples.push_back(sampInd);
    }
  }
 
  CaloSamplingHelper::getCalos(acceptedSamples, m_acceptedCalos);
 
  if (msgLvl(MSG::DEBUG)) {
 
    msg(MSG::DEBUG) << "Accepted calo samplings: ";
    std::vector<CaloSampling::CaloSample>::iterator itSampling = acceptedSamples.begin();
    for (; itSampling < acceptedSamples.end(); ++itSampling) {
      msg(MSG::DEBUG) << (int) (*itSampling) << "; ";
    }
    msg(MSG::DEBUG) << endmsg;
 
    msg(MSG::DEBUG) << "Accepted sub calos: ";
    std::vector<CaloCell_ID::SUBCALO>::iterator itCalo = m_acceptedCalos.begin();
    for (; itCalo < m_acceptedCalos.end(); ++itCalo) {
      msg(MSG::DEBUG) << (int) (*itCalo) << "; ";
    }
    msg(MSG::DEBUG) << endmsg;
  }
 
  m_hashMax = m_caloID->calo_cell_hash_max();
  ATH_MSG_DEBUG( "CaloCell hash max: " << m_hashMax);
 
  if (m_isFindCellFast) {
    for (IdentifierHash cellHash = 0; cellHash < m_hashMax; cellHash += 1) {
      if (acceptedSamplings[m_caloID->calo_sample(cellHash)]) {
        m_acceptedCellHashes.push_back(cellHash);
      }
    }
  } else {
    m_cellsToBeCopied.resize(m_hashMax, false);
    for (IdentifierHash cellHash = 0; cellHash < m_hashMax; cellHash += 1) {
      if (acceptedSamplings[m_caloID->calo_sample(cellHash)]) {
        m_cellsToBeCopied[cellHash] = true;
      }
    }
  }
 
  ATH_MSG_DEBUG( "Number of accepted hashes: " << m_acceptedCellHashes.size() );
 
 
  return StatusCode::SUCCESS;
}
 
 
StatusCode CaloCellFastCopyTool::process (CaloCellContainer* theCont,
                                          const EventContext& ctx) const
{
  // Retrieve source cell container
  SG::ReadHandle<CaloCellContainer> srcCont(m_srcCellContainerKey, ctx);
 
  ATH_CHECK( dispatchCopy (srcCont.cptr(), theCont) );
 
  std::vector<CaloCell_ID::SUBCALO>::const_iterator it = m_acceptedCalos.begin();
  for (; it != m_acceptedCalos.end(); ++it) {
    if (srcCont->hasCalo(*it)) theCont->setHasCalo(*it);
  }
 
  return StatusCode::SUCCESS;
}
 
 
StatusCode CaloCellFastCopyTool::process (CaloConstCellContainer* theCont,
                                          const EventContext& ctx) const
{
  // Retrieve source cell container
  SG::ReadHandle<CaloCellContainer> srcCont(m_srcCellContainerKey, ctx);
 
  ATH_CHECK( dispatchCopyConst (srcCont.cptr(), theCont) );
 
  std::vector<CaloCell_ID::SUBCALO>::const_iterator it = m_acceptedCalos.begin();
  for (; it != m_acceptedCalos.end(); ++it) {
    if (srcCont->hasCalo(*it)) theCont->setHasCalo(*it);
  }
 
  return StatusCode::SUCCESS;
}
 
 
StatusCode CaloCellFastCopyTool::viewNotAvoidingDuplicatesFindCellIsFast
  (const CaloCellContainer* srcCont,
   CaloConstCellContainer* destCont) const
{
  const CaloCell* cell;
  std::vector<IdentifierHash>::const_iterator it = m_acceptedCellHashes.begin();
  for (; it != m_acceptedCellHashes.end(); ++it) {
    cell = srcCont->findCell(*it);
    if (cell) destCont->push_back_fast(cell);
  }
 
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
StatusCode CaloCellFastCopyTool::viewAvoidingDuplicatesFindCellIsFast
  (const CaloCellContainer* srcCont,
   CaloConstCellContainer* destCont) const
{
  std::vector<bool> notInContainer(m_hashMax, true);
  CaloCellContainer::const_iterator itCell = destCont->begin();
  for (; itCell != destCont->end(); ++itCell) {
    notInContainer[(*itCell)->caloDDE()->calo_hash()] = false;
  }
 
  const CaloCell* cell;
  std::vector<IdentifierHash>::const_iterator it = m_acceptedCellHashes.begin();
  for (; it != m_acceptedCellHashes.end(); ++it) {
    if (notInContainer[*it]) {
      cell = srcCont->findCell(*it);
      if (cell) destCont->push_back_fast(cell);
    }
  }
 
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
StatusCode CaloCellFastCopyTool::viewNotAvoidingDuplicatesFindCellIsNotFast
  (const CaloCellContainer* srcCont,
   CaloConstCellContainer* destCont) const
{
  IdentifierHash cellHash;
  const CaloCell* cell;
  CaloCellContainer::const_iterator itSrcCell = srcCont->begin();
  for (; itSrcCell != srcCont->end(); ++itSrcCell) {
    cell = (*itSrcCell);
    cellHash = cell->caloDDE()->calo_hash();
    if (m_cellsToBeCopied[cellHash])
      destCont->push_back_fast(cell);
  }
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
StatusCode CaloCellFastCopyTool::viewAvoidingDuplicatesFindCellIsNotFast
  (const CaloCellContainer* srcCont,
   CaloConstCellContainer* destCont) const
{
  std::vector<bool> notInContainer(m_hashMax, true);
  CaloCellContainer::const_iterator itCell = destCont->begin();
  for (; itCell != destCont->end(); ++itCell) {
    notInContainer[(*itCell)->caloDDE()->calo_hash()] = false;
  }
 
  IdentifierHash cellHash;
  const CaloCell* cell;
  CaloCellContainer::const_iterator itSrcCell = srcCont->begin();
  for (; itSrcCell != srcCont->end(); ++itSrcCell) {
    cell = (*itSrcCell);
    cellHash = cell->caloDDE()->calo_hash();
    if (m_cellsToBeCopied[cellHash] && notInContainer[cellHash])
      destCont->push_back_fast(cell);
  }
 
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
template <class CONTAINER>
StatusCode CaloCellFastCopyTool::cloneNotAvoidingDuplicatesFindCellIsFast
  (const CaloCellContainer* srcCont,
   CONTAINER* destCont) const
{
  const CaloCell* cell;
  std::vector<IdentifierHash>::const_iterator it = m_acceptedCellHashes.begin();
  for (; it != m_acceptedCellHashes.end(); ++it) {
    cell = srcCont->findCell(*it);
    if (cell) destCont->push_back_fast(cell->clone());
  }
 
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
template <class CONTAINER>
StatusCode CaloCellFastCopyTool::cloneAvoidingDuplicatesFindCellIsFast
  (const CaloCellContainer* srcCont,
   CONTAINER* destCont) const
{
 
  std::vector<bool> notInContainer(m_hashMax, true);
  CaloCellContainer::const_iterator itCell = destCont->begin();
  for (; itCell != destCont->end(); ++itCell) {
    notInContainer[(*itCell)->caloDDE()->calo_hash()] = false;
  }
 
  const CaloCell* cell;
  std::vector<IdentifierHash>::const_iterator it = m_acceptedCellHashes.begin();
  for (; it != m_acceptedCellHashes.end(); ++it) {
    if (notInContainer[*it]) {
      cell = srcCont->findCell(*it);
      if (cell) destCont->push_back_fast(cell->clone());
    }
  }
 
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
template <class CONTAINER>
StatusCode CaloCellFastCopyTool::cloneNotAvoidingDuplicatesFindCellIsNotFast
  (const CaloCellContainer* srcCont,
   CONTAINER* destCont) const
{
  IdentifierHash cellHash;
  const CaloCell* cell;
  CaloCellContainer::const_iterator itSrcCell = srcCont->begin();
  for (; itSrcCell != srcCont->end(); ++itSrcCell) {
    cell = (*itSrcCell);
    cellHash = cell->caloDDE()->calo_hash();
    if (m_cellsToBeCopied[cellHash])
      destCont->push_back_fast(cell->clone());
  }
 
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
template <class CONTAINER>
StatusCode CaloCellFastCopyTool::cloneAvoidingDuplicatesFindCellIsNotFast
  (const CaloCellContainer* srcCont,
   CONTAINER* destCont) const
{
  std::vector<bool> notInContainer(m_hashMax, true);
  CaloCellContainer::const_iterator itCell = destCont->begin();
  for (; itCell != destCont->end(); ++itCell) {
    notInContainer[(*itCell)->caloDDE()->calo_hash()] = false;
  }
 
  IdentifierHash cellHash;
  const CaloCell* cell;
  CaloCellContainer::const_iterator itSrcCell = srcCont->begin();
  for (; itSrcCell != srcCont->end(); ++itSrcCell) {
    cell = (*itSrcCell);
    cellHash = cell->caloDDE()->calo_hash();
    if (m_cellsToBeCopied[cellHash] && notInContainer[cellHash])
      destCont->push_back_fast(cell->clone());
  }
 
  destCont->resetLookUpTable();
  return StatusCode::SUCCESS;
}
 
 
 
StatusCode CaloCellFastCopyTool::dispatchCopy(const CaloCellContainer* srcCont,
                                              CaloCellContainer* destCont) const
{
  using COPY_CELLS = StatusCode (CaloCellFastCopyTool::*)(const CaloCellContainer *, CaloCellContainer *) const;
 
  COPY_CELLS copyCells;
  if (m_isFindCellFast) {
    if (destCont->ownPolicy() == SG::OWN_ELEMENTS) {
      copyCells = (m_avoidDuplicates) ?
        (&CaloCellFastCopyTool::cloneAvoidingDuplicatesFindCellIsFast<CaloCellContainer>) :
        (&CaloCellFastCopyTool::cloneNotAvoidingDuplicatesFindCellIsFast<CaloCellContainer>);
    }
    else {
      REPORT_ERROR(StatusCode::FAILURE) << "Can't copy to a non-const view container.";
      return StatusCode::FAILURE;
    }
  }
  else {
    if (destCont->ownPolicy() == SG::OWN_ELEMENTS) {
      copyCells = (m_avoidDuplicates) ?
        (&CaloCellFastCopyTool::cloneAvoidingDuplicatesFindCellIsNotFast<CaloCellContainer>) :
        (&CaloCellFastCopyTool::cloneNotAvoidingDuplicatesFindCellIsNotFast<CaloCellContainer>);
    }
    else {
      REPORT_ERROR(StatusCode::FAILURE) << "Can't copy to a non-const view container.";
      return StatusCode::FAILURE;
    }
  }
 
  return (this->*copyCells)(srcCont, destCont);
}
 
 
StatusCode
CaloCellFastCopyTool::dispatchCopyConst (const CaloCellContainer* srcCont,
                                         CaloConstCellContainer* destCont) const
{
  using COPY_CONST_CELLS = StatusCode (CaloCellFastCopyTool::*)(const CaloCellContainer *, CaloConstCellContainer *) const;
 
  COPY_CONST_CELLS copyConstCells;
  if (m_isFindCellFast) {
    if (destCont->ownPolicy() == SG::OWN_ELEMENTS) {
      copyConstCells = (m_avoidDuplicates) ?
        (&CaloCellFastCopyTool::cloneAvoidingDuplicatesFindCellIsFast<CaloConstCellContainer>) :
        (&CaloCellFastCopyTool::cloneNotAvoidingDuplicatesFindCellIsFast<CaloConstCellContainer>);
    } else {
      copyConstCells = (m_avoidDuplicates) ? 
        (&CaloCellFastCopyTool::viewAvoidingDuplicatesFindCellIsFast) :
        (&CaloCellFastCopyTool::viewNotAvoidingDuplicatesFindCellIsFast);
    }
  } else {
    if (destCont->ownPolicy() == SG::OWN_ELEMENTS) {
      copyConstCells = (m_avoidDuplicates) ?
        (&CaloCellFastCopyTool::cloneAvoidingDuplicatesFindCellIsNotFast<CaloConstCellContainer>) :
        (&CaloCellFastCopyTool::cloneNotAvoidingDuplicatesFindCellIsNotFast<CaloConstCellContainer>);
    } else {
      copyConstCells = (m_avoidDuplicates) ?
        (&CaloCellFastCopyTool::viewAvoidingDuplicatesFindCellIsNotFast) :
        (&CaloCellFastCopyTool::viewNotAvoidingDuplicatesFindCellIsNotFast);
    }
  }
 
  return (this->*copyConstCells)(srcCont, destCont);
}