LUCID_DigitByteStreamCnv.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "LUCID_RawDataByteStreamCnv/LUCID_DigitByteStreamCnv.h"
#include "AthenaBaseComps/AthCheckMacros.h"
#include "LUCID_RawEvent/LUCID_DigitContainer.h"
#include "AthenaKernel/ClassID_traits.h"
#include "ByteStreamCnvSvcBase/ByteStreamAddress.h"
#include "StoreGate/StoreGateSvc.h"
#include "LUCID_RawDataByteStreamCnv/LUCID_RodEncoder.h"
 
#include <cstdint>
#include <string>
#include <map>
 
typedef std::map<uint32_t, LUCID_RodEncoder> LucidRodEncoder_map;
 
LUCID_DigitByteStreamCnv::LUCID_DigitByteStreamCnv(ISvcLocator* svcloc) : 
  Converter(storageType(), classID(), svcloc),
  AthMessaging("LUCID_DigitByteStreamCnv"),
  m_ByteStreamEventAccess("ByteStreamCnvSvc", "LUCID_DigitByteStreamCnv"),
  m_RodBlockVersion      (0),
  m_BCs_per_LVL1ID       (1)
{
 
}
 
StatusCode LUCID_DigitByteStreamCnv::initialize() {
 
  ATH_CHECK( Converter::initialize() );
  ATH_CHECK( m_ByteStreamEventAccess.retrieve() );
    
  return StatusCode::SUCCESS;
}
 
CLID LUCID_DigitByteStreamCnv::classID() {
 
  return ClassID_traits<LUCID_DigitContainer>::ID();
}
 
long LUCID_DigitByteStreamCnv::storageType() {
 
  return ByteStreamAddress::storageType();
}
 
StatusCode LUCID_DigitByteStreamCnv::createRep(DataObject* pObj, IOpaqueAddress*& pAddr) {
  
   ATH_MSG_DEBUG(" LUCID_DigitByteStreamCnv::createRep");
 
   RawEventWrite*        re = m_ByteStreamEventAccess->getRawEvent();
   LUCID_DigitContainer* RDO_container = nullptr;
 
   // dynamic cast of the pObj to RDO_container based in clid of pObj
   if (!SG::fromStorable(pObj, RDO_container)) {
     ATH_MSG_ERROR("Can not cast to LUCID_DigitContainer");
     return StatusCode::RECOVERABLE;
   }
 
// get name of the persistent object (pObj)
   std::string nm = pObj->registry()->name();
 
// and create a empty generic BytestreamAddress  for the specific clid of pObj
   ByteStreamAddress* addr = new ByteStreamAddress(classID(), nm, "");
 
   pAddr = addr;
 
   StatusCode sc = fillFEA(RDO_container, re);
   
   if (sc.isFailure()){
     ATH_MSG_ERROR(" Could not convert RawData with to ByteStream ");
     return StatusCode::RECOVERABLE;
   }
 
  return StatusCode::SUCCESS;
}
 
StatusCode LUCID_DigitByteStreamCnv::fillFEA(LUCID_DigitContainer* RDO_container, RawEventWrite* re){
 
  m_fea.clear(); 
  // type of RODDATA is std::vector<uint32_t> 
  FullEventAssembler<SrcIdMap>::RODDATA* theROD;
 
  m_fea.setRodMinorVersion(RodBlockVersion());
  ATH_MSG_DEBUG("Setting ROD Minor Version Number to: " << m_RodBlockVersion);
 
  LucidRodEncoder_map RDOEncoder_map;
 
  LUCID_DigitContainer::const_iterator it_cont     = RDO_container->begin(); 
  LUCID_DigitContainer::const_iterator it_cont_end = RDO_container->end();
  LUCID_RodEncoder::Cache cache{};
  for( ; it_cont != it_cont_end; ++it_cont) {
    
    if ((*it_cont) != nullptr) {
 
      uint32_t rodId = getSourceID();
      
      RDOEncoder_map[rodId].addDigit((*it_cont),cache);
    } 
    else ATH_MSG_WARNING(" Digit is empty, skipping digit.");
  }
 
  LucidRodEncoder_map::iterator it_map     = RDOEncoder_map.begin();
  LucidRodEncoder_map::iterator it_map_end = RDOEncoder_map.end();
  
  for (; it_map != it_map_end; ++it_map) { 
 
    // (*it_map) is now a pointer of the type std::pair<const uint32_t, LUCID_RDOEncoder >
    
    theROD = m_fea.getRodData((*it_map).first);
 
    ((*it_map).second).encode(*theROD, cache, msg());
 
    (*theROD).push_back(0); // add status word
  
    LUCID_RawData lrd(*theROD);
    
    lrd.encodeLumatMapping();
    
    *theROD = lrd.getDataBlock();
  }
  
  m_fea.fill(re, msg(MSG::INFO)); 
  
  return StatusCode::SUCCESS;
}