IoSvc.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// IoSvc.h 
// Header file for class IoSvc
// Author: S.Binet<binet@cern.ch>
#ifndef ATHENASERVICES_IOSVC_H
#define ATHENASERVICES_IOSVC_H 1
 
// STL includes
#include <string>
#include <unordered_map>
 
// FrameWork includes
#include "AthenaBaseComps/AthService.h"
 
// AthenaKernel
#include "AthenaRootKernel/IIoSvc.h"
 
// Forward declaration
class ISvcLocator;
template <class TYPE> class SvcFactory;
 
 
 
class IoSvc
  : virtual public ::IIoSvc,
            public ::AthService
{ 
  friend class SvcFactory<IoSvc>;
 
  // Public methods: 
 public: 
  typedef IIoSvc::Fd Fd;
 
  // Copy constructor: 
 
  IoSvc( const std::string& name, ISvcLocator* pSvcLocator );
 
  virtual ~IoSvc(); 
 
  // Assignment operator: 
  //IoSvc &operator=(const IoSvc &alg); 
 
 
  virtual StatusCode initialize();
  virtual StatusCode finalize();
  virtual StatusCode queryInterface( const InterfaceID& riid, 
                                     void** ppvInterface );
 
  // Const methods: 
 
  bool has_fd(Fd fd) const;
 
  Fd fd(const std::string& fname) const;
 
  const std::string& fname(Fd fd) const;
 
  IoType mode(Fd fd) const;
 
  // Non-const methods: 
 
  static const InterfaceID& interfaceID();
 
  Fd open(const std::string& fname, IoType mode);
 
  StatusCode close(Fd fd);
 
  // Private data: 
 private: 
 
  IoSvc();
 
  struct FdInfos {
    std::string fname;
    IIoSvc::IoType mode;
  };
 
  typedef std::unordered_map<Fd, FdInfos> FdMap_t;
 
  FdMap_t m_fds;
 
  Fd m_last_fd;
}; 
 
// I/O operators
 
// Inline methods: 
 
inline const InterfaceID& IoSvc::interfaceID() 
{ 
  return IIoSvc::interfaceID(); 
}
 
 
 
#endif //> !ATHENASERVICES_IOSVC_H