HistoryEventType.values()[proto.getEventType()];
switch (eventType) {
case DAG_SUBMITTED:
completed = false;
DAGSubmittedEvent dagSubmittedEvent = new DAGSubmittedEvent();
dagSubmittedEvent.fromSummaryProtoStream(proto);
dagName = dagSubmittedEvent.getDAGName();
break;
case DAG_FINISHED:
completed = true;
dagCommitCompleted = true;