InstallArea/include/ers/ers/FIFOStream.h

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/*
 *  FIFOStream.h
 *  ers
 *
 *  Created by Matthias Wiesmann on 02.12.04.
 *  Copyright 2004 CERN. All rights reserved.
 *
 */
 
#include <deque>
#include "ers/Stream.h"
 
namespace ers {
 
    /** This streams is used to transmit Issues inside a process.
      * \author Matthias Wiesmann
      * \version 1.0
      * \brief Queue stream 
      * \note This stream is \b not thread safe - it cannot depend on thread library. 
      */
    
    class FIFOStream : public Stream {
    
protected:
    std::deque<Issue*> m_issue_queue ; 
public:
    static const char* const FIFO_STREAM_KEY ;     /**< Key for FIFO stream */
    FIFOStream();
    FIFOStream(const FIFOStream &other); 
    ~FIFOStream() ;
    virtual void send(const Issue *i) ;
    virtual Issue *receive() ; 
    virtual void print_to(std::ostream& stream) const ;
    } ; //  FIFOStream
} // ers