config_api_graph.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/config_api_graph.h to include/dbe/config_api_graph.hpp).
 
/*
 * config_api_graph.h
 *
 *  Created on: Apr 20, 2016
 *      Author: Leonidas Georgopoulos
 */
 
#ifndef DBE_CONFIG_API_GRAPH_H_
#define DBE_CONFIG_API_GRAPH_H_
 
#include "dbe/tref.hpp"
 
#include "conffwk/Schema.hpp"
#include "conffwk/ConfigObject.hpp"
 
#include <vector>
 
namespace daq
{
namespace config
{
struct relationship_t;
struct attribute_t;
} /* namespace config */
} /* namespace daq */
 
namespace dbe
{
namespace ui
{
namespace config
{
class info;
}
}
}
 
//------------------------------------------------------------------------------------------
//                                      DBE::CONFIG::API::GRAPH NAMESPACE
//------------------------------------------------------------------------------------------
namespace dbe
{
namespace config
{
namespace api
{
namespace graph
{
 
namespace linked
{
 
//------------------------------------------------------------------------------------------
// backward relations A->c->B querying on B returns A through c ,
// e.g. A connects to B ( B is queried upon)
namespace to
{
template<typename T> std::vector<T> object ( tref const & );
}
//------------------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------------------
// forward relations A->c->B querying on A return B through c
namespace by
{
template<typename T> std::vector<T> object ( tref const & item );
}
 
namespace through
{
template<typename T> std::vector<T> relations ( tref const & item );

template<typename T> std::vector<T> attributes ( tref const & item );

template<typename T> T relation ( tref item, dunedaq::conffwk::relationship_t const & relation );

template<typename T> T attribute ( tref item, dunedaq::conffwk::attribute_t const & attr );
 
}
//------------------------------------------------------------------------------------------
 
}// end namespace related

class direct
{
  friend class dbe::ui::config::info;

  template<typename T> static T linked (
    dunedaq::conffwk::ConfigObject & item, dunedaq::conffwk::relationship_t const & relation );

  template<typename T> static T linked (
    dunedaq::conffwk::ConfigObject & item, dunedaq::conffwk::attribute_t const & relation );
};
//------------------------------------------------------------------------------------------
 
}// namespace graph
} /* namespace api */
} /* namespace config */
} /* namespace dbe */
//------------------------------------------------------------------------------------------
 
#endif /* DBE_CONFIG_API_GRAPH_H_ */