confobject_extra.hpp

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// DUNE DAQ modification notice:
// This file has been modified from the original ATLAS dbe source for the DUNE DAQ project.
// Fork baseline commit: dbe-02-12-17 (2022-05-12).
// Renamed since fork: yes (from dbe/confobject_extra.hpp to include/dbe/confobject_extra.hpp).
 
/*
 * confobject_extra.hpp
 *
 *  Created on: Jan 19, 2016
 *      Author: Leonidas Georgopoulos
 */
 
#ifndef DBE_CONFOBJECT_EXTRA_HPP_
#define DBE_CONFOBJECT_EXTRA_HPP_
 
#include "dbe/config_api_get.hpp"
#include "dbe/config_api_graph.hpp"
#include "dbe/config_api_info.hpp"
#include "dbe/confobject_desc.hpp"
 
#include "conffwk/Schema.hpp"
#include <string>
 
namespace dbe {
 
//------------------------------------------------------------------------------------------
template<typename C>
class config_object_extractor
{
public:
  typedef typename C::t_confobjects t_confobjects;
  typedef typename C::t_attrmap t_attrmap;
  typedef typename C::t_relmap t_relmap;

  static t_attrmap getattr(typename C::t_confobject const& obj)
  {
    dunedaq::conffwk::class_t const& classt = dbe::config::api::info::onclass::definition(obj.class_name(), false);
    t_attrmap attributes;
 
    for (dunedaq::conffwk::attribute_t const& attr : classt.p_attributes) {
      typename t_attrmap::mapped_type values{ dbe::config::api::get::attribute::list<typename t_attrmap::mapped_type>(
        obj.ref(), attr) };
      attributes[attr.p_name] = values;
    }
 
    return attributes;
  }

  static t_relmap getrel(typename C::t_confobject const& obj)
  {
    dunedaq::conffwk::class_t const& classt = dbe::config::api::info::onclass::definition(obj.class_name(), false);
    t_relmap relations;
 
    for (dunedaq::conffwk::relationship_t const& link : classt.p_relationships) {
      if (C::filter(link)) {
        t_confobjects linked{ dbe::config::api::graph::linked::through::relation<t_confobjects>(obj.ref(), link) };
 
        if (not linked.empty()) {
          relations[link.p_name] = linked;
        }
      }
    }
 
    return relations;
  }
};
//------------------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------------------
template<typename S = std::string>
struct config_object_aggregates : config_object_representation<S>
{
  typedef typename config_object_representation<S>::t_confobject t_confobject;
  typedef config_object_extractor<config_object_aggregates<S>> t_extractor;
 
  config_object_aggregates(config_object_description<S> const& o)
    : config_object_representation<S>{ t_extractor::getattr(o), t_extractor::getrel(o), o }
  {
  }
 
  static bool filter(dunedaq::conffwk::relationship_t const& l) { return l.p_is_aggregation; }
};
typedef config_object_aggregates<> config_object_aggregator;
//------------------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------------------
template<typename S = std::string>
struct config_object_linked : config_object_representation<S>
{
  typedef typename config_object_representation<S>::t_confobject t_confobject;
  typedef config_object_extractor<config_object_linked<S>> t_extractor;
 
  config_object_linked(config_object_description<S> const& o)
    : config_object_representation<S>{ t_extractor::getattr(o), t_extractor::getrel(o), o }
  {
  }
 
  static bool filter() { return true; }
};
typedef config_object_linked<> config_object_linker;
//------------------------------------------------------------------------------------------
 
} // namespace dbe
 
#endif /* DBE_CONFOBJECT_EXTRA_HPP_ */