SIOObjectHandler.h

#ifndef SIO_SIOOBJECTHANDLER_H
#define SIO_SIOOBJECTHANDLER_H 1

#include "EVENT/LCObject.h"
#include "EVENT/LCCollection.h"
//#include "SIO_functions.h"
#include "SIO_block.h"

class SIO_stream ;


namespace SIO{


class SIOObjectHandler {
  
public:

  virtual ~SIOObjectHandler(){ /* nop */; }
  
  virtual unsigned int read(SIO_stream* stream, 
                            EVENT::LCObject** objP) =0 ;
  
  virtual unsigned int write(SIO_stream* stream, 
                             const EVENT::LCObject* obj ) =0 ;
  

  virtual unsigned int init( SIO_stream* stream,
                             SIO_operation op,
                             EVENT::LCCollection* col,
                             unsigned int vers ) ; 
  

  virtual unsigned int readBase(SIO_stream* stream, 
                            EVENT::LCObject** objP)  ;
  

  virtual unsigned int writeBase(SIO_stream* stream, 
                             const EVENT::LCObject* obj ) ;

 protected:


  unsigned int _flag ; 
  unsigned int _vers ;
  
}; // class

} // namespace 
#endif /* ifndef hep_lcio_event_SIOOBJECTHANDLER_H */