FileMetaDataTool.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
// Local include(s):
#include "xAODMetaDataCnv/FileMetaDataTool.h"
 
// standard library includes
#include <memory>
#include <utility>
 
// EDM include(s):
#include "xAODMetaData/FileMetaData.h"
#include "xAODMetaData/FileMetaDataAuxInfo.h"
 
 
namespace xAODMaker {
 
FileMetaDataTool::FileMetaDataTool(const std::string& name)
      : base_class( name ) { }
 
StatusCode
    FileMetaDataTool::initialize() {
#ifndef XAOD_STANDALONE
      ASG_CHECK(m_metaDataSvc.retrieve());
#endif  // XAOD_STANDALONE
 
      // Return gracefully:
      return StatusCode::SUCCESS;
    }
 
StatusCode
    FileMetaDataTool::beginInputFile() {
      // Previous input file has been processed
      std::lock_guard lock(m_toolMutex);
 
      // get the keys for all metadata in input
      std::vector<std::string> keys = m_keys;
      if (keys.empty()) {
         inputMetaStore()->keys<xAOD::FileMetaData>(keys);
      } else {
        // remove keys not in the InputMetaDataStore
        keys.erase(
            std::remove_if(
                keys.begin(), keys.end(),
                [this](std::string& key) {
                  return !inputMetaStore()->contains<xAOD::FileMetaData>(key);
                }),
            keys.end());
      }
 
      // If the input file doesn't have any event format metadata,
      // then finish right away:
      if (keys.empty()) return StatusCode::SUCCESS;
 
      // Now copy all object to MetaDataStore
      for(const std::string& key : keys) {
#ifdef XAOD_STANDALONE
         ASG_CHECK(copy(key));
#else
         for(const std::string& stream_key : m_metaDataSvc->getPerStreamKeysFor(key) ) {
            ASG_CHECK( copy(stream_key) );
         }
#endif  // XAOD_STANDALONE
      }
      return StatusCode::SUCCESS;
    }
 
StatusCode
    FileMetaDataTool::copy(const std::string& key) {
      ATH_MSG_DEBUG("Copying \"" << key << "\" from InputMetaDataStore");
      // Quit gracefully if there is nothing to do
      if (!inputMetaStore()->contains< xAOD::FileMetaData >(key)) {
        ATH_MSG_INFO("No \"" << key << "\" in the input file");
        return StatusCode::SUCCESS;
      }
 
      // Get the FileMetaData object from the input file
      const xAOD::FileMetaData * input = nullptr;
      ASG_CHECK(inputMetaStore()->retrieve(input, key));
 
      // Emit a warning if the FileMetaData from previous files does not
      // match that of the new input file
#ifdef XAOD_STANDALONE
      if (outputMetaStore()->contains< xAOD::FileMetaData >(key)) {
         xAOD::FileMetaData * output = nullptr;
         ASG_CHECK(outputMetaStore()->retrieve(output, key));
#else
      if (m_metaDataSvc->contains< xAOD::FileMetaData >(key)) {
         auto *output = m_metaDataSvc->tryRetrieve< xAOD::FileMetaData >(key);
         if (!output) return StatusCode::FAILURE;
#endif  // XAOD_STANDALONE
 
         copyValues(input, output, "runNumbers");
         copyValues(input, output, "lumiBlocks");
 
         const std::set<std::string>  ignore { "runNumbers", "lumiBlocks" };
         if( !input->compareWith(*output, ignore) )
            ATH_MSG_WARNING("Inconsistent input file MetaData");
 
         return StatusCode::SUCCESS;
      }
 
      ATH_MSG_DEBUG("Creating output objects");
      auto output = std::make_unique< xAOD::FileMetaData >();
      auto outputAux = std::make_unique< xAOD::FileMetaDataAuxInfo >();
      output->setStore(outputAux.get());
 
      // Copy input object
      *output = *input;
 
 
#ifdef XAOD_STANDALONE
      ASG_CHECK(
          outputMetaStore()->record< xAOD::FileMetaData >(
              std::move(output), key));
 
      ASG_CHECK(
          outputMetaStore()->record< xAOD::FileMetaDataAuxInfo >(
              std::move(outputAux), key + "Aux."));
#else
      ASG_CHECK(
          m_metaDataSvc->record< xAOD::FileMetaData >(
              std::move(output), key));
 
      ASG_CHECK(
          m_metaDataSvc->record< xAOD::FileMetaDataAuxInfo >(
              std::move(outputAux), key + "Aux."));
#endif  // XAOD_STANDALONE
 
      ATH_MSG_INFO("Copied \"" << key << "\" to MetaDataStore");
 
      // Return gracefully:
      return StatusCode::SUCCESS;
    }
 
 
void FileMetaDataTool::copyValues(const xAOD::FileMetaData *src, xAOD::FileMetaData *dst,
                                   const std::string& var)
{
   std::vector<uint32_t> src_vec, dst_vec;
   src->value(var, src_vec);
   dst->value(var, dst_vec);
   bool updated = false;
 
   for( auto val : src_vec ) {
      // we want a sorted list of unique values (without using std::set)
      auto it = std::lower_bound( dst_vec.begin(), dst_vec.end(), val );
      if( it == dst_vec.end() || (*it) != val ) {
         dst_vec.insert(it, val);
         updated = true;
         ATH_MSG_DEBUG("added " << val << " to list of " << var);
      }
   }
   if( updated ) {
      if( !dst->setValue(var, dst_vec) ) {
         ATH_MSG_WARNING("error updating values for " + var);
      }
   }
}
 
}  // namespace xAODMaker