IssueFactory.hpp

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/*
 * DUNE DAQ modification notice:
 * This file has been modified from the original ATLAS ers source for the DUNE DAQ project.
 * Fork baseline commit: 8267df82a4f6fe6bf02c4014923eba19eddc4614 (2020-04-14).
 * Renamed since fork: yes (from ers/IssueFactory.h to include/ers/IssueFactory.hpp).
 *
 * Original copyright:
 * Copyright (C) 2001-2020 CERN for the benefit of the ATLAS collaboration.
 * Licensed under the Apache License, Version 2.0.
 */
 
/*
 *  IssueFactory.h
 *  ers
 *
 *  Created by Matthias Wiesmann on 30.11.04.
 *  Modified by Serguei Kolos on 10.08.05.
 *  Copyright 2005 CERN. All rights reserved.
 *
 */
 
#ifndef ERS_ISSUE_FACTORY
#define ERS_ISSUE_FACTORY
 
#include <chrono>
#include <map>
#include <string>
#include <vector>
 
#include <ers/Severity.hpp>

 
using std::chrono::system_clock;
 
namespace ers {
class Issue;
class Context;
template<class>
class SingletonCreator;

 
class IssueFactory
{
  template<class>
  friend class SingletonCreator;
 
  typedef Issue* (*IssueCreator)(const ers::Context&);
  typedef std::map<std::string, IssueCreator> FunctionMap;
 
public:
  static IssueFactory& instance(); 
 
  Issue* create(const std::string& name,
                const Context& context) const; 
 
  Issue* create(const std::string& name,
                const std::list<std::string>& inheritance,
                const Context& context,
                Severity severity,
                const system_clock::time_point& time,
                const std::string& message,
                const std::vector<std::string>& qualifiers,
                const std::map<std::string, std::string>& parameters,
                const Issue* cause = 0) const; 
 
  void register_issue(const std::string& name, IssueCreator creator); 
 
private:
  IssueFactory() { ; }
 
  FunctionMap m_creators;
};
 
std::ostream&
operator<<(std::ostream&, const IssueFactory& factory); 
}
 
#endif