DQMFileReader.cc

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#include "DQMFileReader.h"
#include "FWCore/Catalog/interface/InputFileCatalog.h"
#include <iostream>

DQMFileReader::DQMFileReader(const edm::ParameterSet& ps) {
  pset_ = ps;

  dbe_ = edm::Service<DQMStore>().operator->();

  filenames_.clear();
  filenames_ = pset_.getUntrackedParameter<std::vector<std::string> >("FileNames");
  referenceFileName_ = pset_.getUntrackedParameter<std::string>("referenceFileName", "");
}

DQMFileReader::~DQMFileReader() = default;

void DQMFileReader::beginJob() {
  if (!referenceFileName_.empty()) {
    const std::string override = "";
    std::vector<std::string> in;
    in.push_back(referenceFileName_);
    edm::InputFileCatalog catalog(in, override, true);

    std::string ff = catalog.fileNames()[0];
    std::cout << "DQMFileReader: reading reference file '" << ff << "'\n";

    // now open file, quietly continuing if it does not exist
    if (dbe_->open(ff, true, "", "Reference", DQMStore::StripRunDirs, false)) {
      dbe_->cd();
      dbe_->setCurrentFolder("Info/ProvInfo");
      dbe_->bookString("referenceFileName", ff);
      std::cout << "DQMFileReader: reference file '" << ff << "' successfully read in \n";
    } else {
      dbe_->cd();
      dbe_->setCurrentFolder("Info/ProvInfo");
      dbe_->bookString("referenceFileName", "non-existent:" + ff);
      std::cout << "DQMFileReader: reference file '" << ff << "' does not exist \n";
    }
    dbe_->cd();
    return;
  }

  dbe_->bookString("referenceFileName", "no reference file specified");
  dbe_->cd();

  // read in files, stripping off Run Summary and Run <number> folders

  for (auto const& filename : filenames_) {
    std::cout << "DQMFileReader::beginJob: loading" << filename << std::endl;
    if (dbe_)
      dbe_->load(filename);
  }
}

void DQMFileReader::endJob() {}

void DQMFileReader::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {}