CSCCrosstalkDBConditions.h

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#ifndef _CSCCROSSTALKDBCONDITIONS_H
#define _CSCCROSSTALKDBCONDITIONS_H

#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/ESProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/EventSetupRecordIntervalFinder.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/SourceFactory.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include <cmath>
#include <memory>

#include "CondFormats/CSCObjects/interface/CSCDBCrosstalk.h"
#include "CondFormats/DataRecord/interface/CSCDBCrosstalkRcd.h"
#include <DataFormats/MuonDetId/interface/CSCDetId.h>

class CSCCrosstalkDBConditions : public edm::ESProducer, public edm::EventSetupRecordIntervalFinder {
public:
  CSCCrosstalkDBConditions(const edm::ParameterSet &);
  ~CSCCrosstalkDBConditions() override;

  inline static CSCDBCrosstalk *prefillDBCrosstalk();

  typedef std::unique_ptr<CSCDBCrosstalk> ReturnType;

  ReturnType produceDBCrosstalk(const CSCDBCrosstalkRcd &);

private:
  // ----------member data ---------------------------
  void setIntervalFor(const edm::eventsetup::EventSetupRecordKey &,
                      const edm::IOVSyncValue &,
                      edm::ValidityInterval &) override;
};

#include <fstream>
#include <iostream>
#include <vector>

// to workaround plugin library
inline CSCDBCrosstalk *CSCCrosstalkDBConditions::prefillDBCrosstalk() {
  // const int MAX_SIZE = 273024; //for ME1a unganged
  const int MAX_SIZE = 252288;
  const int SLOPE_FACTOR = 10000000;
  const int INTERCEPT_FACTOR = 100000;
  const int MAX_SHORT = 32767;
  CSCDBCrosstalk *cndbcrosstalk = new CSCDBCrosstalk();

  int db_index, new_index;
  float db_slope_right, db_slope_left, db_intercept_right;
  float db_intercept_left;
  std::vector<int> db_index_id;
  std::vector<float> db_slope_r;
  std::vector<float> db_intercept_r;
  std::vector<float> db_slope_l;
  std::vector<float> db_intercept_l;
  float new_slope_right, new_slope_left, new_intercept_right;
  float new_intercept_left;
  std::vector<int> new_index_id;
  std::vector<float> new_slope_r;
  std::vector<float> new_intercept_r;
  std::vector<float> new_slope_l;
  std::vector<float> new_intercept_l;

  int counter;

  std::ifstream dbdata;
  dbdata.open("old_dbxtalk.dat", std::ios::in);
  if (!dbdata) {
    std::cerr << "Error: old_dbxtalk.dat -> no such file!" << std::endl;
    exit(1);
  }

  while (!dbdata.eof()) {
    dbdata >> db_index >> db_slope_right >> db_intercept_right >> db_slope_left >> db_intercept_left;
    db_index_id.push_back(db_index);
    db_slope_r.push_back(db_slope_right);
    db_slope_l.push_back(db_slope_left);
    db_intercept_r.push_back(db_intercept_right);
    db_intercept_l.push_back(db_intercept_left);
  }
  dbdata.close();

  std::ifstream newdata;
  newdata.open("xtalk.dat", std::ios::in);
  if (!newdata) {
    std::cerr << "Error: xtalk.dat -> no such file!" << std::endl;
    exit(1);
  }

  while (!newdata.eof()) {
    newdata >> new_index >> new_slope_right >> new_intercept_right >> new_slope_left >> new_intercept_left;
    new_index_id.push_back(new_index);
    new_slope_r.push_back(new_slope_right);
    new_slope_l.push_back(new_slope_left);
    new_intercept_r.push_back(new_intercept_right);
    new_intercept_l.push_back(new_intercept_left);
  }
  newdata.close();

  CSCDBCrosstalk::CrosstalkContainer &itemvector = cndbcrosstalk->crosstalk;
  itemvector.resize(MAX_SIZE);
  cndbcrosstalk->factor_slope = int(SLOPE_FACTOR);
  cndbcrosstalk->factor_intercept = int(INTERCEPT_FACTOR);

  for (int i = 0; i < MAX_SIZE; ++i) {
    itemvector[i].xtalk_slope_right = (short int)(db_slope_r[i] * SLOPE_FACTOR + 0.5);
    itemvector[i].xtalk_intercept_right = (short int)(db_intercept_r[i] * INTERCEPT_FACTOR + 0.5);
    itemvector[i].xtalk_slope_left = (short int)(db_slope_l[i] * SLOPE_FACTOR + 0.5);
    itemvector[i].xtalk_intercept_left = (short int)(db_intercept_l[i] * INTERCEPT_FACTOR + 0.5);
  }

  for (int i = 0; i < MAX_SIZE; ++i) {
    counter = db_index_id[i];
    for (unsigned int k = 0; k < new_index_id.size() - 1; k++) {
      if (counter == new_index_id[k]) {
        if ((short int)(fabs(new_slope_r[k] * SLOPE_FACTOR + 0.5)) < MAX_SHORT)
          itemvector[counter].xtalk_slope_right = int(new_slope_r[k] * SLOPE_FACTOR + 0.5);
        if ((short int)(fabs(new_intercept_r[k] * INTERCEPT_FACTOR + 0.5)) < MAX_SHORT)
          itemvector[counter].xtalk_intercept_right = int(new_intercept_r[k] * INTERCEPT_FACTOR + 0.5);
        if ((short int)(fabs(new_slope_l[k] * SLOPE_FACTOR + 0.5)) < MAX_SHORT)
          itemvector[counter].xtalk_slope_left = int(new_slope_l[k] * SLOPE_FACTOR + 0.5);
        if ((short int)(fabs(new_intercept_l[k] * INTERCEPT_FACTOR + 0.5)) < MAX_SHORT)
          itemvector[counter].xtalk_intercept_left = int(new_intercept_l[k] * INTERCEPT_FACTOR + 0.5);
        itemvector[i] = itemvector[counter];
        // std::cout<<" counter "<<counter <<" dbindex "<<new_index_id[k]<<"
        // dbslope " <<db_slope_r[k]<<" new slope "<<new_slope_r[k]<<std::endl;
      }
    }

    if (counter > 223968) {
      itemvector[counter].xtalk_slope_right = int(db_slope_r[i]);
      itemvector[counter].xtalk_slope_left = int(db_slope_l[i]);
      itemvector[counter].xtalk_intercept_right = int(db_intercept_r[i]);
      itemvector[counter].xtalk_intercept_left = int(db_intercept_l[i]);
    }
  }

  return cndbcrosstalk;
}

#endif