TBEventInfo_p1 Node1 TBEventInfo_p1 + m_ev_number + m_ev_clock + m_ev_type + m_run_num + m_beam_moment + m_cryoX + m_cryoAngle + m_tableY Node2 std::string Node2->Node1 +m_beam_part Node3 std::basic_string< char > Node3->Node2