ConfigParamStore.h

Go to the documentation of this file.

// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#ifndef O2_FRAMEWORK_CONFIGPARAMSTORE_H_
#define O2_FRAMEWORK_CONFIGPARAMSTORE_H_
 
#include "Framework/ParamRetriever.h"
#include "Framework/ConfigParamSpec.h"
 
#include <boost/property_tree/ptree_fwd.hpp>
 
namespace o2::framework
{
 
class ConfigParamStore
{
 public:
  ConfigParamStore(std::vector<ConfigParamSpec> const& specs,
                   std::vector<std::unique_ptr<ParamRetriever>> retrievers);
 
  void preload();
 
  void load(std::vector<ConfigParamSpec>& specs);
 
  boost::property_tree::ptree& store() { return *mStore; };
  boost::property_tree::ptree& provenanceTree() { return *mProvenance; };
 
  [[nodiscard]] std::vector<ConfigParamSpec> const& specs() const
  {
    return mSpecs;
  }
 
  void activate();
 
  std::string provenance(const char*) const;
 
 private:
  std::vector<ConfigParamSpec> const& mSpecs;
  std::vector<std::unique_ptr<ParamRetriever>> mRetrievers;
  std::unique_ptr<boost::property_tree::ptree> mStore;
  std::unique_ptr<boost::property_tree::ptree> mProvenance;
  std::unique_ptr<boost::property_tree::ptree> mNextStore;
  std::unique_ptr<boost::property_tree::ptree> mNextProvenance;
};
 
} // namespace o2::framework
 
#endif // O2_FRAMEWORK_CONFIGPARAMREGISTRY_H_