GGSTRngStateReader.cpp

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/*
 * GGSTRngStateReader.cpp
 *
 *  Created on: 4 Dec 2020
 *      Author: Nicola Mori
 */

#include "montecarlo/readers/GGSTRngStateReader.h"

#include "TFile.h"
#include "TKey.h"

GGSTRngStateReader::GGSTRngStateReader() : _rngState(nullptr), _rngStateChain(nullptr) {}

bool GGSTRngStateReader::SetChain(TChain *rngStateChain) {

  _rngStateChain = rngStateChain;
  if (_rngStateChain->SetBranchAddress("rngState", &_rngState) == 0) {
    return true;
  } else {
    return false;
  }
}

void GGSTRngStateReader::GetEntry(Long64_t entry) {
  if (entry != _rngStateChain->GetEntries()) {
    _rngStateChain->GetEntry(entry);
  }
}

const std::string GGSTRngStateReader::GetName() {
  if (_rngName == "") {
    if (_rngStateChain) {
      TKey *key = _rngStateChain->GetFile()->GetKey("rngName");
      if (key) {
        _rngName = *((std::string *)(key->ReadObjectAny(TClass::GetClass("std::string"))));
      }
    }
  }
  return _rngName;
}