EL::BatchSegment Node1 EL::BatchSegment + sample + job_id + begin_file + begin_event + end_file + end_event + BatchSegment() + ~BatchSegment() + ClassDef() Node2 TObject Node2->Node1 Node3 std::string Node3->Node1 +fullName +sampleName +segmentName Node4 std::basic_string< char > Node4->Node3