OutputStream.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/OutputStream.h to include/ers/OutputStream.hpp).
 *
 * Original copyright:
 * Copyright (C) 2001-2020 CERN for the benefit of the ATLAS collaboration.
 * Licensed under the Apache License, Version 2.0.
 */
 
/*
 *  OutputStream.h
 *  ers
 *
 *  Created by Matthias Wiesmann on 02.12.04.
 *  Modified by Serguei Kolos on 02.08.05.
 *  Copyright 2004 CERN. All rights reserved.
 *
 */
 
#ifndef ERS_OUTPUT_STREAM_H
#define ERS_OUTPUT_STREAM_H
 
#include <ers/Issue.hpp>
#include <memory>
#include <string>

 
namespace ers {
 
class Issue;

 
class OutputStream
{
  friend class StreamManager;
 
public:
  virtual ~OutputStream() { ; }

  virtual void write(const Issue& issue) = 0;
 
protected:
  OutputStream();
 
  OutputStream& chained();
 
  virtual bool isNull() const;
 
private:
  OutputStream(const OutputStream& other) = delete;
  OutputStream& operator=(const OutputStream&) = delete;
 
  void chained(OutputStream* stream);
 
  std::unique_ptr<OutputStream> m_chained;
};
}
 
#include <ers/internal/macro.hpp>
 
#endif