LCEventLazyImpl.h

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#ifndef EVENT_LCEVENTLAZYIMPL_H
#define EVENT_LCEVENTLAZYIMPL_H 1

// -- lcio headers
#include "IOIMPL/LCEventIOImpl.h"
#include "SIO/SIOHandlerMgr.h"

// -- std headers
#include <memory>

// -- sio headers
#include <sio/definitions.h>
#include <sio/buffer.h>

namespace IOIMPL {
    
  class LCEventLazyImpl : public IOIMPL::LCEventIOImpl {
  public: 
    LCEventLazyImpl() = default ;
    
    ~LCEventLazyImpl() = default ; 
    
    EVENT::LCCollection * getCollection(const std::string & name) const ;

    EVENT::LCCollection * takeCollection(const std::string & name) const ;
    
    void removeCollection(const std::string & name) ;
    
    void setBuffer( const sio::record_info &recinfo, sio::buffer &&recordBuffer ) ;
    
  private:
    void unpackEvent() ;
    
    void postProcessEvent() ;
    
    void setupBlocks() ;
    
  private:
    std::unique_ptr<sio::buffer>     _recordBuffer {nullptr} ;
    sio::record_info                 _recordInfo {} ;
    sio::block_list                  _blocks {} ;
    bool                             _unpacked {false} ;
    SIO::SIOHandlerMgr               _eventHandlerMgr {} ;
  }; // class

} // namespace IOIMPL

#endif /* ifndef EVENT_LCEVENTLAZYIMPL_H */