ReaderListener.h

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#pragma once

// -- std headers
#include <functional>
#include <memory>

// -- lcio headers
#include <MT/LCReaderListener.h>

namespace EVENT {
  class LCEvent ;
  class LCRunHeader ;
}

namespace marlinmt {

  class EventStore ;
  class RunHeader ;

  class ReaderListener : public MT::LCReaderListener {
  public:
    using EventFunction = std::function<void(std::shared_ptr<EventStore>)> ;
    using RunHeaderFunction = std::function<void(std::shared_ptr<RunHeader>)> ;

  public:
    ReaderListener() = default ;
    ~ReaderListener() = default ;
    ReaderListener(const ReaderListener&) = delete ;
    ReaderListener &operator=(const ReaderListener&) = delete ;

    void onEventRead( EventFunction func ) ;

    void onRunHeaderRead( RunHeaderFunction func ) ;

  protected:
    void processEvent( std::shared_ptr<EVENT::LCEvent> event ) override ;
    void processRunHeader( std::shared_ptr<EVENT::LCRunHeader> rhdr ) override ;

  private:
    EventFunction          _onEventRead {nullptr} ;
    RunHeaderFunction      _onRunHeaderRead {nullptr} ;
  };

}