Method writeMetadata

src/openms/source/FORMAT/HANDLERS/CachedMzMLHandler.cpp:201–238

  }

  void CachedMzMLHandler::writeMetadata(MapType exp, const String& out_meta, bool addCacheMetaValue)
  {
    // delete the actual data for all spectra and chromatograms, leave only metadata
    // TODO : remove copy
    std::vector<MSChromatogram > chromatograms = exp.getChromatograms(); // copy
    for (Size i = 0; i < exp.size(); i++)
    {
      exp[i].clear(false);
    }
    for (Size i = 0; i < exp.getChromatograms().size(); i++)
    {
      chromatograms[i].clear(false);
    }
    exp.setChromatograms(chromatograms);

    if (addCacheMetaValue)
    {
      // set dataprocessing on each spectrum/chromatogram
      boost::shared_ptr< DataProcessing > dp = boost::shared_ptr< DataProcessing >(new DataProcessing);
      std::set<DataProcessing::ProcessingAction> actions;
      actions.insert(DataProcessing::FORMAT_CONVERSION);
      dp->setProcessingActions(actions);
      dp->setMetaValue("cached_data", "true");
      for (Size i=0; i<exp.size(); ++i)
      {
        exp[i].getDataProcessing().push_back(dp);
      }
      std::vector<MSChromatogram > l_chromatograms = exp.getChromatograms();
      for (Size i=0; i<l_chromatograms.size(); ++i)
      {
        l_chromatograms[i].getDataProcessing().push_back(dp);
      }
      exp.setChromatograms(l_chromatograms);
    }

    // store the meta data using the regular MzMLFile
    MzMLFile().store(out_meta, exp);
  }

  void CachedMzMLHandler::writeMetadata_x(const MapType& exp, const String& out_meta, const bool addCacheMetaValue)
  {