OutputStream.hpp

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/*
 *  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 <string>
#include <memory>
#include <ers/Issue.hpp>

 
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