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//
// G4VPDigitIO
//
// Class Description:
//
// Abstract base class for storing and retrieving digit collections.

// Author: Youhei Morita, 10.08.2001
// --------------------------------------------------------------------
#ifndef G4VPDIGITIO_HH
#define G4VPDIGITIO_HH 1

#include "G4DCofThisEvent.hh"
#include "G4DCIOcatalog.hh"
#include "G4VPDigitsCollectionIO.hh"

class G4VPDigitIO
{
  public:

    G4VPDigitIO();
      // Constructor

    virtual ~G4VPDigitIO() {}
      // Destructor

    G4VPDigitIO* GetVPDigitIO() { return f_G4VPDigitIO; }
      // Returns the pointer of the digit collection I/O manager

    virtual G4bool Store(const G4DCofThisEvent*) = 0;
      // Pure virtual method for storing digit collections of this event.
      // Each persistency package should implement a concrete method
      // of storing the digit collection of this event with this signature

    virtual G4bool Retrieve(G4DCofThisEvent*&) = 0;
      // Pure virtual method for retrieving digit collections of this event.
      // Each persistency package should implement a concrete method
      // of storing the digit collection of this event with this signature

    void SetVerboseLevel(G4int v);
      // Sets verbose level

  protected:

    void SetG4VPDigitIO(G4VPDigitIO* digitMan) { f_G4VPDigitIO = digitMan; }
      // Registers the digit collection I/O manager

  protected:
 
    G4int m_verbose = 0;
    static G4ThreadLocal G4VPDigitIO* f_G4VPDigitIO;
    G4DCIOcatalog* f_catalog = nullptr;
};

#endif