DiskList.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/

 
#ifndef SAMPLE_HANDLER__DISK_LIST_H
#define SAMPLE_HANDLER__DISK_LIST_H
 
#include <SampleHandler/Global.h>
 
#include <memory>
#include <string>
 
namespace SH
{
  class DiskList
  {
    //
    // public interface
    //

  public:
    void testInvariant () const;
 

  public:
    virtual ~DiskList ();
 

  public:
    bool next ();
 

  public:
    std::string path () const;
 

  public:
    std::string fileName () const;
 

  public:
    [[deprecated("use openDirUnique() instead")]]
    DiskList *openDir () const;
 

  public:
    std::unique_ptr<DiskList> openDirUnique () const;
 

  public:
    std::string dirname () const;
 
 
 
    //
    // protected interface
    //

  protected:
    DiskList ();
 
 
 
    //
    // virtual interface
    //

  protected:
    virtual bool getNext () = 0;
 

  protected:
    virtual std::string getPath () const = 0;
 

  protected:
    virtual DiskList *doOpenDir () const = 0;
 

  protected:
    virtual std::string getDirname () const = 0;
 
 
 
    //
    // private interface
    //

  private:
    enum State
    {
      S_BLANK,  
      S_VALID,  
      S_DONE,   
      S_BROKEN  
    };

    State m_state;
  };
}
 
#endif