CbmCaParametersHandler.cxx

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/* Copyright (C) 2024 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Sergei Zharko [committer] */

 
#include "CbmCaParametersHandler.h"
 
#include "CbmCaParametersBuilder.h"
 
#include <Logger.h>
 
#include <sstream>
 
namespace cbm::ca
{
  // -------------------------------------------------------------------------------------------------------------------
  //
  ParametersHandler& ParametersHandler::Instance()
  {
    static ParametersHandler instance;
    return instance;
  }
 
  // -------------------------------------------------------------------------------------------------------------------
  //
  InitStatus ParametersHandler::Init()
  try {
    if (fpParameters != nullptr) {
      throw std::runtime_error("Attempt to initialize a ParametersHandler instance again. Please ensure, that the "
                               "instance was added to the FairTask-queue only once.");
    }
 
    auto builder = ParametersBuilder{};
    builder.SetMainConfig(fsMainConfig);
    builder.SetUserConfig(fsUserConfig);
    builder.SetRequireHitPresence(!fbIgnoreHitPresence);
    for (auto [detId, locId] : fvInactiveIds) {
      builder.DisableStation(detId, locId);
    }
 
    using cbm::algo::kf::FloatTag;
    fpParameters =
      std::make_shared<algo::ca::Parameters<double>>(std::move(builder.Build(FloatTag<double>{}, fFldMode)));
 
    LOG(info) << fpParameters->ToString(3);
 
    // Store tracking parameters, if required
    if (!fsOutFilename.empty()) {
      if (fpParameters->GetFieldMode() == algo::kf::EFieldMode::Original) {
        // TODO: Provide a conversion method for EFieldMode::Original -> EFieldMode::Interpolated
        LOG(fatal) << "cbm::ca::ParametersHandler: cannot store CA parameters with the original field mode";
      }
 
      LOG(info) << "cbm::ca::ParametersHandler: storing CA parameters to " << fsOutFilename;
      algo::ca::ParametersIO::Store(*fpParameters, fsOutFilename);
    }
 
    return kSUCCESS;
  }
  catch (const std::exception& err) {
    LOG(error) << "cbm::ca::ParametersHandler: initialization failed. Reason: " << err.what();
    return kFATAL;
  }
 
  // -------------------------------------------------------------------------------------------------------------------
  //
  InitStatus ParametersHandler::ReInit()
  {
    fpParameters = nullptr;
    return Init();
  }
 
}  // namespace cbm::ca