IIoSvc.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
// IIoSvc.h 
// Header file for class IIoSvc
// Author: S.Binet<binet@cern.ch>
#ifndef ATHENAKERNEL_IIOSVC_H 
#define ATHENAKERNEL_IIOSVC_H 1 
 
// STL includes
#include <string>
 
// FrameWork includes
#include "GaudiKernel/IService.h"
 
// AthenaKernel includes
 

class IIoSvc
  : virtual public ::IService
{ 
  // Public typedef: 
public: 
  DeclareInterfaceID(IIoSvc, 1, 0);

  typedef int Fd;
  
  enum IoType   { 
    INVALID  = 0,
    READ     = 1<<1,
    UPDATE   = 1<<2,
    CREATE   = 1<<3,
    RECREATE = (1<<4)+(1<<3) 
  };
 
  static
  const std::string& IoTypeName(IoType mode) {
    static std::map<IoType, std::string> s_names;
    if (s_names.empty()) {
      s_names[INVALID] = "";
      s_names[READ] = "READ";
      s_names[UPDATE] = "UPDATE";
      s_names[CREATE] = "CREATE";
      s_names[RECREATE] = "RECREATE";
    }
    return s_names[mode];
  }
 
  static
  IoType IoTypeFromName(const std::string& name) {
    static std::map<std::string, IoType> s_names;
    if (s_names.empty()) {
      s_names[""] = INVALID;
      s_names["READ"] = READ;
      s_names["UPDATE"] = UPDATE;
      s_names["CREATE"] = CREATE;
      s_names["RECREATE"] = RECREATE;
    }
    return s_names[name];
  }

  // Public methods: 
public: 

  virtual ~IIoSvc();

  // Const methods: 

  // Non-const methods: 

  virtual 
  Fd open(const std::string& fname, IoType mode) = 0;

  virtual
  StatusCode close(Fd fd) = 0;

  virtual
  bool has_fd(Fd fd) const = 0;

  virtual
  Fd fd(const std::string& fname) const = 0;

  virtual
  const std::string& fname(Fd fd) const = 0;

  virtual
  IoType mode(Fd fd) const = 0;
  
}; 
 
#endif //> !ATHENAKERNEL_IIOSVC_H